📄 2xsaiw.asm
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; Prepare the destination%ifdef __DJGPP__ ; Set the selector mov eax, [ebp+dstSegment] mov fs, ax%endif mov edx, [ebp+dstOffset] ; edx points to the screen; Prepare the source ; eax points to colorA mov eax, [ebp+srcPtr] mov ebx, [ebp+srcPitch] mov ecx, [ebp+width] ; eax now points to colorE sub eax, ebx; Main Loop.Loop: push ecx ;-----Check Delta------------------ mov ecx, [ebp+deltaPtr] movq mm0, [eax+colorI] movq mm1, [eax+colorJ] movq mm2, [eax+ebx+colorG] movq mm3, [eax+ebx+colorK] movq mm4, [eax+ebx+ebx+colorH] movq mm5, [eax+ebx+ebx+colorL] push eax add eax, ebx movq mm6, [eax+ebx+ebx+colorM] movq mm7, [eax+ebx+ebx+colorP] pop eax pcmpeqw mm0, [ecx+2+colorI] pcmpeqw mm1, [ecx+2+colorK] pcmpeqw mm2, [ecx+ebx+2+colorG] pcmpeqw mm3, [ecx+ebx+2+colorK] pcmpeqw mm4, [ecx+ebx+ebx+2+colorH] pcmpeqw mm5, [ecx+ebx+ebx+2+colorL] add ecx, ebx pcmpeqw mm6, [ecx+ebx+ebx+2+colorM] pcmpeqw mm7, [ecx+ebx+ebx+2+colorP] sub ecx, ebx pand mm0, mm1 pand mm2, mm3 pand mm4, mm5 pand mm6, mm7 pand mm0, mm2 pand mm4, mm6 pxor mm7, mm7 pand mm0, mm4 movq mm6, [eax+colorI] pcmpeqw mm7, mm0 movq [ecx+2+colorI], mm6 packsswb mm7, mm7 movd ecx, mm7 test ecx, ecx jz near .SKIP_PROCESS ;End Delta ;---------------------------------;1 ;if ((colorA == colorD) && (colorB != colorC) && (colorA == colorE) && (colorB == colorL) movq mm0, [eax+ebx+colorA] ;mm0 and mm1 contain colorA movq mm2, [eax+ebx+colorB] ;mm2 and mm3 contain colorB movq mm1, mm0 movq mm3, mm2 pcmpeqw mm0, [eax+ebx+ebx+colorD] pcmpeqw mm1, [eax+colorE] pcmpeqw mm2, [eax+ebx+ebx+colorL] pcmpeqw mm3, [eax+ebx+ebx+colorC] pand mm0, mm1 pxor mm1, mm1 pand mm0, mm2 pcmpeqw mm3, mm1 pand mm0, mm3 ;result in mm0 ;if ((colorA == colorC) && (colorB != colorE) && (colorA == colorF) && (colorB == colorJ) movq mm4, [eax+ebx+colorA] ;mm4 and mm5 contain colorA movq mm6, [eax+ebx+colorB] ;mm6 and mm7 contain colorB movq mm5, mm4 movq mm7, mm6 pcmpeqw mm4, [eax+ebx+ebx+colorC] pcmpeqw mm5, [eax+colorF] pcmpeqw mm6, [eax+colorJ] pcmpeqw mm7, [eax+colorE] pand mm4, mm5 pxor mm5, mm5 pand mm4, mm6 pcmpeqw mm7, mm5 pand mm4, mm7 ;result in mm4 por mm0, mm4 ;combine the masks movq [Mask1], mm0 ;--------------------------------------------;2 ;if ((colorB == colorC) && (colorA != colorD) && (colorB == colorF) && (colorA == colorH) movq mm0, [eax+ebx+colorB] ;mm0 and mm1 contain colorB movq mm2, [eax+ebx+colorA] ;mm2 and mm3 contain colorA movq mm1, mm0 movq mm3, mm2 pcmpeqw mm0, [eax+ebx+ebx+colorC] pcmpeqw mm1, [eax+colorF] pcmpeqw mm2, [eax+ebx+ebx+colorH] pcmpeqw mm3, [eax+ebx+ebx+colorD] pand mm0, mm1 pxor mm1, mm1 pand mm0, mm2 pcmpeqw mm3, mm1 pand mm0, mm3 ;result in mm0 ;if ((colorB == colorE) && (colorB == colorD) && (colorA != colorF) && (colorA == colorI) movq mm4, [eax+ebx+colorB] ;mm4 and mm5 contain colorB movq mm6, [eax+ebx+colorA] ;mm6 and mm7 contain colorA movq mm5, mm4 movq mm7, mm6 pcmpeqw mm4, [eax+ebx+ebx+colorD] pcmpeqw mm5, [eax+colorE] pcmpeqw mm6, [eax+colorI] pcmpeqw mm7, [eax+colorF] pand mm4, mm5 pxor mm5, mm5 pand mm4, mm6 pcmpeqw mm7, mm5 pand mm4, mm7 ;result in mm4 por mm0, mm4 ;combine the masks movq [Mask2], mm0;interpolate colorA and colorB movq mm0, [eax+ebx+colorA] movq mm1, [eax+ebx+colorB] movq mm2, mm0 movq mm3, mm1 pand mm0, [colorMask] pand mm1, [colorMask] psrlw mm0, 1 psrlw mm1, 1 pand mm3, [lowPixelMask] paddw mm0, mm1 pand mm3, mm2 paddw mm0, mm3 ;mm0 contains the interpolated values ;assemble the pixels movq mm1, [eax+ebx+colorA] movq mm2, [eax+ebx+colorB] movq mm3, [Mask1] movq mm5, mm1 movq mm4, [Mask2] movq mm6, mm1 pand mm1, mm3 por mm3, mm4 pxor mm7, mm7 pand mm2, mm4 pcmpeqw mm3, mm7 por mm1, mm2 pand mm0, mm3 por mm0, mm1 punpcklwd mm5, mm0 punpckhwd mm6, mm0%ifdef __DJGPP__ movq [fs:edx], mm5 movq [fs:edx+8], mm6%else movq [edx], mm5 movq [edx+8], mm6%endif;------------------------------------------------; Create the Nextline;------------------------------------------------;3 ;if ((colorA == colorD) && (colorB != colorC) && (colorA == colorG) && (colorC == colorO) movq mm0, [eax+ebx+colorA] ;mm0 and mm1 contain colorA movq mm2, [eax+ebx+ebx+colorC] ;mm2 and mm3 contain colorC movq mm1, mm0 movq mm3, mm2 push eax add eax, ebx pcmpeqw mm0, [eax+ebx+colorD] pcmpeqw mm1, [eax+colorG] pcmpeqw mm2, [eax+ebx+ebx+colorO] pcmpeqw mm3, [eax+colorB] pop eax pand mm0, mm1 pxor mm1, mm1 pand mm0, mm2 pcmpeqw mm3, mm1 pand mm0, mm3 ;result in mm0 ;if ((colorA == colorB) && (colorG != colorC) && (colorA == colorH) && (colorC == colorM) movq mm4, [eax+ebx+colorA] ;mm4 and mm5 contain colorA movq mm6, [eax+ebx+ebx+colorC] ;mm6 and mm7 contain colorC movq mm5, mm4 movq mm7, mm6 push eax add eax, ebx pcmpeqw mm4, [eax+ebx+colorH] pcmpeqw mm5, [eax+colorB] pcmpeqw mm6, [eax+ebx+ebx+colorM] pcmpeqw mm7, [eax+colorG] pop eax pand mm4, mm5 pxor mm5, mm5 pand mm4, mm6 pcmpeqw mm7, mm5 pand mm4, mm7 ;result in mm4 por mm0, mm4 ;combine the masks movq [Mask1], mm0 ;--------------------------------------------;4 ;if ((colorB == colorC) && (colorA != colorD) && (colorC == colorH) && (colorA == colorF) movq mm0, [eax+ebx+ebx+colorC] ;mm0 and mm1 contain colorC movq mm2, [eax+ebx+colorA] ;mm2 and mm3 contain colorA movq mm1, mm0 movq mm3, mm2 pcmpeqw mm0, [eax+ebx+colorB] pcmpeqw mm1, [eax+ebx+ebx+colorH] pcmpeqw mm2, [eax+colorF] pcmpeqw mm3, [eax+ebx+ebx+colorD] pand mm0, mm1 pxor mm1, mm1 pand mm0, mm2 pcmpeqw mm3, mm1 pand mm0, mm3 ;result in mm0 ;if ((colorC == colorG) && (colorC == colorD) && (colorA != colorH) && (colorA == colorI) movq mm4, [eax+ebx+ebx+colorC] ;mm4 and mm5 contain colorC movq mm6, [eax+ebx+colorA] ;mm6 and mm7 contain colorA movq mm5, mm4 movq mm7, mm6 pcmpeqw mm4, [eax+ebx+ebx+colorD] pcmpeqw mm5, [eax+ebx+colorG] pcmpeqw mm6, [eax+colorI] pcmpeqw mm7, [eax+ebx+ebx+colorH] pand mm4, mm5 pxor mm5, mm5 pand mm4, mm6 pcmpeqw mm7, mm5 pand mm4, mm7 ;result in mm4 por mm0, mm4 ;combine the masks movq [Mask2], mm0 ;----------------------------------------------;interpolate colorA and colorC movq mm0, [eax+ebx+colorA] movq mm1, [eax+ebx+ebx+colorC] movq mm2, mm0 movq mm3, mm1 pand mm0, [colorMask] pand mm1, [colorMask] psrlw mm0, 1 psrlw mm1, 1 pand mm3, [lowPixelMask] paddw mm0, mm1 pand mm3, mm2 paddw mm0, mm3 ;mm0 contains the interpolated values ;------------- ;assemble the pixels movq mm1, [eax+ebx+colorA] movq mm2, [eax+ebx+ebx+colorC] movq mm3, [Mask1] movq mm4, [Mask2] pand mm1, mm3 pand mm2, mm4 por mm3, mm4 pxor mm7, mm7 por mm1, mm2 pcmpeqw mm3, mm7 pand mm0, mm3 por mm0, mm1 movq [ACPixel], mm0;////////////////////////////////; Decide which "branch" to take;-------------------------------- movq mm0, [eax+ebx+colorA] movq mm1, [eax+ebx+colorB] movq mm6, mm0 movq mm7, mm1 pcmpeqw mm0, [eax+ebx+ebx+colorD] pcmpeqw mm1, [eax+ebx+ebx+colorC] pcmpeqw mm6, mm7 movq mm2, mm0 movq mm3, mm0 pand mm0, mm1 ;colorA == colorD && colorB == colorC pxor mm7, mm7 pcmpeqw mm2, mm7 pand mm6, mm0 pand mm2, mm1 ;colorA != colorD && colorB == colorC pcmpeqw mm1, mm7 pand mm1, mm3 ;colorA == colorD && colorB != colorC pxor mm0, mm6 por mm1, mm6 movq mm7, mm0 movq [Mask2], mm2 packsswb mm7, mm7 movq [Mask1], mm1 movd ecx, mm7 test ecx, ecx jz near .SKIP_GUESS;---------------------------------------------; Map of the pixels: I|E F|J; G|A B|K; H|C D|L; M|N O|P movq mm6, mm0 movq mm4, [eax+ebx+colorA] movq mm5, [eax+ebx+colorB] pxor mm7, mm7 pand mm6, [ONE] movq mm0, [eax+colorE] movq mm1, [eax+ebx+colorG] movq mm2, mm0 movq mm3, mm1 pcmpeqw mm0, mm4 pcmpeqw mm1, mm4 pcmpeqw mm2, mm5 pcmpeqw mm3, mm5 pand mm0, mm6 pand mm1, mm6 pand mm2, mm6 pand mm3, mm6 paddw mm0, mm1 paddw mm2, mm3 pxor mm3, mm3 pcmpgtw mm0, mm6 pcmpgtw mm2, mm6 pcmpeqw mm0, mm3 pcmpeqw mm2, mm3 pand mm0, mm6 pand mm2, mm6 paddw mm7, mm0 psubw mm7, mm2 movq mm0, [eax+colorF] movq mm1, [eax+ebx+colorK] movq mm2, mm0 movq mm3, mm1 pcmpeqw mm0, mm4 pcmpeqw mm1, mm4 pcmpeqw mm2, mm5 pcmpeqw mm3, mm5 pand mm0, mm6 pand mm1, mm6 pand mm2, mm6 pand mm3, mm6 paddw mm0, mm1 paddw mm2, mm3 pxor mm3, mm3 pcmpgtw mm0, mm6 pcmpgtw mm2, mm6 pcmpeqw mm0, mm3 pcmpeqw mm2, mm3 pand mm0, mm6 pand mm2, mm6 paddw mm7, mm0 psubw mm7, mm2 push eax add eax, ebx movq mm0, [eax+ebx+colorH] movq mm1, [eax+ebx+ebx+colorN] movq mm2, mm0 movq mm3, mm1 pcmpeqw mm0, mm4 pcmpeqw mm1, mm4 pcmpeqw mm2, mm5 pcmpeqw mm3, mm5 pand mm0, mm6 pand mm1, mm6 pand mm2, mm6 pand mm3, mm6 paddw mm0, mm1 paddw mm2, mm3 pxor mm3, mm3 pcmpgtw mm0, mm6 pcmpgtw mm2, mm6 pcmpeqw mm0, mm3 pcmpeqw mm2, mm3 pand mm0, mm6 pand mm2, mm6 paddw mm7, mm0 psubw mm7, mm2 movq mm0, [eax+ebx+colorL] movq mm1, [eax+ebx+ebx+colorO] movq mm2, mm0 movq mm3, mm1 pcmpeqw mm0, mm4 pcmpeqw mm1, mm4 pcmpeqw mm2, mm5 pcmpeqw mm3, mm5 pand mm0, mm6 pand mm1, mm6 pand mm2, mm6 pand mm3, mm6 paddw mm0, mm1 paddw mm2, mm3 pxor mm3, mm3 pcmpgtw mm0, mm6 pcmpgtw mm2, mm6 pcmpeqw mm0, mm3 pcmpeqw mm2, mm3 pand mm0, mm6 pand mm2, mm6 paddw mm7, mm0 psubw mm7, mm2 pop eax movq mm1, mm7 pxor mm0, mm0 pcmpgtw mm7, mm0 pcmpgtw mm0, mm1 por mm7, [Mask1] por mm0, [Mask2] movq [Mask1], mm7 movq [Mask2], mm0.SKIP_GUESS: ;---------------------------- ;interpolate A, B, C and D movq mm0, [eax+ebx+colorA] movq mm1, [eax+ebx+colorB] movq mm4, mm0 movq mm2, [eax+ebx+ebx+colorC] movq mm5, mm1 movq mm3, [qcolorMask] movq mm6, mm2 movq mm7, [qlowpixelMask] pand mm0, mm3 pand mm1, mm3 pand mm2, mm3 pand mm3, [eax+ebx+ebx+colorD] psrlw mm0, 2 pand mm4, mm7 psrlw mm1, 2 pand mm5, mm7 psrlw mm2, 2 pand mm6, mm7 psrlw mm3, 2 pand mm7, [eax+ebx+ebx+colorD] paddw mm0, mm1 paddw mm2, mm3 paddw mm4, mm5 paddw mm6, mm7 paddw mm4, mm6 paddw mm0, mm2 psrlw mm4, 2 pand mm4, [qlowpixelMask] paddw mm0, mm4 ;mm0 contains the interpolated value of A, B, C and D;\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\ ;assemble the pixels movq mm1, [Mask1] movq mm2, [Mask2] movq mm4, [eax+ebx+colorA] movq mm5, [eax+ebx+colorB] pand mm4, mm1 pand mm5, mm2 pxor mm7, mm7 por mm1, mm2 por mm4, mm5 pcmpeqw mm1, mm7 pand mm0, mm1 por mm4, mm0 ;mm4 contains the diagonal pixels movq mm0, [ACPixel] movq mm1, mm0 punpcklwd mm0, mm4 punpckhwd mm1, mm4 push edx add edx, [ebp+dstPitch]%ifdef __DJGPP__ movq [fs:edx], mm0 movq [fs:edx+8], mm1%else movq [edx], mm0 movq [edx+8], mm1%endif pop edx.SKIP_PROCESS: mov ecx, [ebp+deltaPtr] add ecx, 8 mov [ebp+deltaPtr], ecx add edx, 16 add eax, 8 pop ecx sub ecx, 4 cmp ecx, 0 jg .Loop; Restore some stuff popad mov esp, ebp pop ebp emms ret;-------------------------------------------------------------------------;-------------------------------------------------------------------------;-------------------------------------------------------------------------;-------------------------------------------------------------------------;-------------------------------------------------------------------------;-------------------------------------------------------------------------;-------------------------------------------------------------------------NEWSYM Init_2xSaIMMXW; Store some stuff push ebp mov ebp, esp push edx;Damn thing doesn't work; mov eax,1; cpuid; test edx, 0x00800000 ;test bit 23; jz end2 ;bit not set => no MMX detected mov eax, [ebp+8] ;PixelFormat cmp eax, 555 jz Bits555 cmp eax, 565 jz Bits565end2: mov eax, 1 jmp end1Bits555: mov edx, 0x7BDE7BDE mov eax, colorMask mov [eax], edx mov [eax+4], edx mov edx, 0x04210421 mov eax, lowPixelMask mov [eax], edx mov [eax+4], edx mov edx, 0x739C739C mov eax, qcolorMask mov [eax], edx mov [eax+4], edx mov edx, 0x0C630C63 mov eax, qlowpixelMask mov [eax], edx mov [eax+4], edx mov eax, 0 jmp end1Bits565: mov edx, 0xF7DEF7DE mov eax, colorMask mov [eax], edx mov [eax+4], edx mov edx, 0x08210821 mov eax, lowPixelMask mov [eax], edx mov [eax+4], edx mov edx, 0xE79CE79C mov eax, qcolorMask mov [eax], edx mov [eax+4], edx mov edx, 0x18631863 mov eax, qlowpixelMask mov [eax], edx mov [eax+4], edx mov eax, 0 jmp end1end1: pop edx mov esp, ebp pop ebp ret;-------------------------------------------------------------------------;-------------------------------------------------------------------------;-------------------------------------------------------------------------;-------------------------------------------------------------------------;-------------------------------------------------------------------------;-------------------------------------------------------------------------;-------------------------------------------------------------------------SECTION .data;Some constantscolorMask dd 0xF7DEF7DE, 0xF7DEF7DElowPixelMask dd 0x08210821, 0x08210821qcolorMask dd 0xE79CE79C, 0xE79CE79CqlowpixelMask dd 0x18631863, 0x18631863FALSE dd 0x00000000, 0x00000000TRUE dd 0xffffffff, 0xffffffffONE dd 0x00010001, 0x00010001SECTION .bssACPixel resb 8Mask1 resb 8Mask2 resb 8I56Pixel resb 8I23Pixel resb 8I5556Pixel resb 8I2223Pixel resb 8I5666Pixel resb 8I2333Pixel resb 8Mask26 resb 8Mask35 resb 8Mask26b resb 8Mask35b resb 8product1a resb 8product1b resb 8product2a resb 8product2b resb 8final1a resb 8final1b resb 8final2a resb 8final2b resb 8⌨️ 快捷键说明
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