;/****************************************************************************; *; *  XVID MPEG-4 VIDEO CODEC; *  - 3DNow sad operators w/o XMM instructions -; *; *  Copyright(C) 2002 Peter ross <pross@xvid.org>; *; *  This program is free software; you can redistribute it and/or modify it; *  under the terms of the GNU General Public License as published by; *  the Free Software Foundation; either version 2 of the License, or; *  (at your option) any later version.; *; *  This program is distributed in the hope that it will be useful,; *  but WITHOUT ANY WARRANTY; without even the implied warranty of; *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the; *  GNU General Public License for more details.; *; *  You should have received a copy of the GNU General Public License; *  along with this program; if not, write to the Free Software; *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA; *; * $Id$; *; ***************************************************************************/BITS 32%macro cglobal 1	%ifdef PREFIX		global _%1		%define %1 _%1	%else		global %1	%endif%endmacro;=============================================================================; Read only data;=============================================================================%ifdef FORMAT_COFFSECTION .rodata data%elseSECTION .rodata data align=16%endifALIGN 16mmx_one:	times 4	dw 1;=============================================================================; Helper macros;=============================================================================%macro SADBI_16x16_3DN 0  movq mm0, [eax] ; src  movq mm2, [eax+8]  movq mm1, [edx] ; ref1  movq mm3, [edx+8]  pavgusb mm1, [ebx] ; ref2  lea edx, [edx+ecx]  pavgusb mm3, [ebx+8]  lea ebx, [ebx+ecx]  movq mm4, mm0  lea eax, [eax+ecx]  psubusb mm0, mm1  movq mm5, mm2  psubusb mm2, mm3  psubusb mm1, mm4  por mm0, mm1  psubusb mm3, mm5  por mm2, mm3  movq mm1, mm0  movq mm3, mm2  punpcklbw mm0,mm7  punpckhbw mm1,mm7  punpcklbw mm2,mm7  punpckhbw mm3,mm7  paddusw mm0,mm1  paddusw mm2,mm3  paddusw mm6,mm0  paddusw mm6,mm2%endmacro%macro SADBI_8x8_3DN 0  movq mm0, [eax] ; src  movq mm2, [eax+ecx]  movq mm1, [edx] ; ref1  movq mm3, [edx+ecx]  pavgusb mm1, [ebx] ; ref2  lea edx, [edx+2*ecx]  pavgusb mm3, [ebx+ecx]  lea ebx, [ebx+2*ecx]  movq mm4, mm0  lea eax, [eax+2*ecx]  psubusb mm0, mm1  movq mm5, mm2  psubusb mm2, mm3  psubusb mm1, mm4  por mm0, mm1  psubusb mm3, mm5  por mm2, mm3  movq mm1, mm0  movq mm3, mm2  punpcklbw mm0,mm7  punpckhbw mm1,mm7  punpcklbw mm2,mm7  punpckhbw mm3,mm7  paddusw mm0,mm1  paddusw mm2,mm3  paddusw mm6,mm0  paddusw mm6,mm2%endmacro;=============================================================================; Code;=============================================================================SECTION .textcglobal  sad16bi_3dncglobal  sad8bi_3dn;-----------------------------------------------------------------------------;; uint32_t sad16bi_3dn(const uint8_t * const cur,; const uint8_t * const ref1,; const uint8_t * const ref2,; const uint32_t stride);;;-----------------------------------------------------------------------------ALIGN 16sad16bi_3dn:  push ebx  mov eax, [esp+4+ 4] ; Src  mov edx, [esp+4+ 8] ; Ref1  mov ebx, [esp+4+12] ; Ref2  mov ecx, [esp+4+16] ; Stride  pxor mm6, mm6 ; accum2  pxor mm7, mm7.Loop  SADBI_16x16_3DN  SADBI_16x16_3DN  SADBI_16x16_3DN  SADBI_16x16_3DN  SADBI_16x16_3DN  SADBI_16x16_3DN  SADBI_16x16_3DN  SADBI_16x16_3DN  SADBI_16x16_3DN  SADBI_16x16_3DN  SADBI_16x16_3DN  SADBI_16x16_3DN  SADBI_16x16_3DN  SADBI_16x16_3DN  SADBI_16x16_3DN  SADBI_16x16_3DN  pmaddwd mm6, [mmx_one] ; collapse  movq mm7, mm6  psrlq mm7, 32  paddd mm6, mm7  movd eax, mm6  pop ebx  ret;-----------------------------------------------------------------------------;; uint32_t sad8bi_3dn(const uint8_t * const cur,; const uint8_t * const ref1,; const uint8_t * const ref2,; const uint32_t stride);;;-----------------------------------------------------------------------------ALIGN 16sad8bi_3dn:  push ebx  mov eax, [esp+4+ 4] ; Src  mov edx, [esp+4+ 8] ; Ref1  mov ebx, [esp+4+12] ; Ref2  mov ecx, [esp+4+16] ; Stride  pxor mm6, mm6 ; accum2  pxor mm7, mm7.Loop  SADBI_8x8_3DN  SADBI_8x8_3DN  SADBI_8x8_3DN  SADBI_8x8_3DN  pmaddwd mm6, [mmx_one] ; collapse  movq mm7, mm6  psrlq mm7, 32  paddd mm6, mm7  movd eax, mm6  pop ebx  ret