www.pudn.com > NETVIDEO.rar > reconmmx.asm
ADD_1: dd 01010101h, 01010101h MASK_AND: dd 7f7f7f7fh, 7f7f7f7fh PLUS_384: dd 01800180h, 01800180h PLUS_128: dd 00800080h, 00800080h %assign LocalFrameSize 0 %assign RegisterStorageSize 16 ; Arguments: %assign source LocalFrameSize + RegisterStorageSize + 4 %assign dest LocalFrameSize + RegisterStorageSize + 8 %assign lx2 LocalFrameSize + RegisterStorageSize + 12 %assign h LocalFrameSize + RegisterStorageSize + 16 ; Locals (on local stack frame) ; extern void C rec_mmx ( ; unsigned char *source, ; unsigned char *dest, ; int lx2, ; int h ; ; The local variables are on the stack, ; global recva_mmx global recvac_mmx global rech_mmx global rechc_mmx global add_block_mmx global set_block_mmx align 16 rech_mmx: push esi push edi push ecx push ebx mov esi, [esp+source] mov edi, [esp+dest] mov ecx, [esp+h] mov ebx, [esp+lx2] movq mm5, [MASK_AND] movq mm6, [ADD_1] .rech1: movq mm0,[esi] movq mm1,[esi+1] movq mm2,[esi+8] movq mm3,[esi+9] psrlw mm0,1 psrlw mm1,1 psrlw mm2,1 psrlw mm3,1 pand mm0,mm5 pand mm1,mm5 pand mm2,mm5 pand mm3,mm5 paddusb mm0,mm1 paddusb mm2,mm3 paddusb mm0,mm6 paddusb mm2,mm6 movq [edi],mm0 add esi,ebx movq [edi+8],mm2 add edi,ebx dec ecx jnz .rech1 emms pop ebx pop ecx pop edi pop esi ret align 16 rechc_mmx: push esi push edi push ecx push ebx ; sub esp, LocalFrameSize mov esi, [esp+source] mov edi, [esp+dest] mov ecx, [esp+h] mov ebx, [esp+lx2] movq mm5, [MASK_AND] movq mm6, [ADD_1] .rechc1: movq mm0,[esi] movq mm1,[esi+1] psrlw mm0,1 psrlw mm1,1 pand mm0,mm5 pand mm1,mm5 paddusb mm0,mm1 paddusb mm0,mm6 movq [edi],mm0 add edi,ebx add esi,ebx dec ecx jnz .rechc1 emms ; add esp, LocalFrameSize pop ebx pop ecx pop edi pop esi ret %assign RegisterStorageSize 20 %assign source LocalFrameSize + RegisterStorageSize + 4 %assign dest LocalFrameSize + RegisterStorageSize + 8 %assign lx LocalFrameSize + RegisterStorageSize + 12 %assign lx2 LocalFrameSize + RegisterStorageSize + 16 %assign h LocalFrameSize + RegisterStorageSize + 20 align 16 recva_mmx: push esi push edi push ecx push ebx push edx mov esi, [esp+source] mov edi, [esp+dest] mov ecx, [esp+h] mov ebx, [esp+lx2] mov edx, [esp+lx] movq mm7, [MASK_AND] movq mm6, [ADD_1] .recva1: movq mm0,[esi] movq mm1,[esi+edx] movq mm2,[esi+8] movq mm3,[esi+edx+8] movq mm4,[edi] movq mm5,[edi+8] psrlw mm0,1 psrlw mm1,1 psrlw mm2,1 psrlw mm3,1 psrlw mm4,1 psrlw mm5,1 pand mm0,mm7 pand mm1,mm7 pand mm2,mm7 pand mm3,mm7 pand mm4,mm7 pand mm5,mm7 paddusb mm0,mm1 paddusb mm2,mm3 paddusb mm0,mm6 paddusb mm2,mm6 psrlw mm0,1 psrlw mm2,1 pand mm0,mm7 pand mm2,mm7 paddusb mm4,mm0 paddusb mm5,mm2 paddusb mm4,mm6 paddusb mm5,mm6 movq [edi],mm4 movq [edi+8],mm5 add edi,ebx add esi,ebx dec ecx jnz near .recva1 emms pop edx pop ebx pop ecx pop edi pop esi ret align 16 recvac_mmx: push esi push edi push ecx push ebx push edx mov esi, [esp+source] mov edi, [esp+dest] mov ecx, [esp+h] mov ebx, [esp+lx2] mov edx, [esp+lx] movq mm5, [MASK_AND] movq mm6, [ADD_1] .recvac1: movq mm0,[esi] movq mm1,[esi+edx] movq mm4,[edi] psrlw mm0,1 psrlw mm1,1 psrlw mm4,1 pand mm0,mm5 pand mm1,mm5 pand mm4,mm5 paddusb mm0,mm1 paddusb mm0,mm6 psrlw mm0,1 pand mm0,mm5 paddusb mm4,mm0 paddusb mm4,mm6 movq [edi],mm4 add edi,ebx add esi,ebx dec ecx jnz .recvac1 emms pop edx pop ebx pop ecx pop edi pop esi ret %assign RegisterStorageSize 20 %assign rfp LocalFrameSize + RegisterStorageSize + 4 %assign bp LocalFrameSize + RegisterStorageSize + 8 %assign iincr LocalFrameSize + RegisterStorageSize + 12 ; FIXME clipping needs to be done align 16 add_block_mmx: push esi push edi push ecx push ebx push edx mov esi, [esp+bp] mov edi, [esp+rfp] mov ebx, [esp+iincr] ; movq mm7, [PLUS_384] mov ecx,8 pxor mm2,mm2 ; clear %rep 8 movq mm0, [edi] ; get dest movq mm1,mm0 punpcklbw mm0,mm2 punpckhbw mm1,mm2 paddsw mm0, [esi] paddsw mm1, [esi+8] ; paddsw mm0, mm7 ; paddsw mm1, mm7 packuswb mm0,mm1 movq [edi], mm0 add edi,ebx add esi,16 %endrep emms pop edx pop ebx pop ecx pop edi pop esi ret align 16 set_block_mmx: push esi push edi push ecx push ebx push edx mov esi, [esp+bp] mov edi, [esp+rfp] mov ebx, [esp+iincr] movq mm7, [PLUS_128] %rep 4 movq mm0, [esi] movq mm1, [esi+8] paddsw mm0, mm7 movq mm2, [esi+16] paddsw mm1, mm7 movq mm3, [esi+24] paddsw mm2, mm7 packuswb mm0, mm1 paddsw mm3, mm7 movq [edi], mm0 packuswb mm2, mm3 add edi, ebx add esi, 32 movq [edi], mm2 add edi, ebx %endrep emms pop edx pop ebx pop ecx pop edi pop esi ret