📄 bilinear.asm
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;%define FAR_POINTER BITS 32%ifdef __DJGPP__ GLOBAL _BilinearMMX GLOBAL _BilinearMMXGrid0 GLOBAL _BilinearMMXGrid1 GLOBAL _EndMMX%else GLOBAL BilinearMMX GLOBAL BilinearMMXGrid0 GLOBAL BilinearMMXGrid1 GLOBAL EndMMX%endif SECTION .text ALIGN = 32%ifdef __DJGPP___BilinearMMX:%elseBilinearMMX:%endif; Store some stuff push ebp mov ebp, esp push ebx mov eax, [ebp+24] ;dx mov ebx, [ebp+28] ;dy push edx movq mm0, [eax] movq mm1, [ebx] psrlw mm0, 11 ;reduce to 5 bits psrlw mm1, 11 movq [eax], mm0 movq [ebx], mm1 mov edx, [ebp+20] ;D pmullw mm0, mm1 movq mm5, [RedMask] movq mm6, [GreenMask] movq mm7, [BlueMask] psrlw mm0, 5 pand mm5, [edx] pand mm6, [edx] psrlw mm5, 5 pand mm7, [edx] pmullw mm5, mm0 pmullw mm6, mm0 pmullw mm7, mm0 movq mm4, mm0 ;store x*y mov edx, [ebp+16] ;C movq mm0, [ebx] movq mm1, mm4 psubw mm0, mm1 movq mm1, [RedMask] movq mm2, [GreenMask] movq mm3, [BlueMask] pand mm1, [edx] pand mm2, [edx] psrlw mm1, 5 pand mm3, [edx] pmullw mm1, mm0 pmullw mm2, mm0 pmullw mm3, mm0 mov edx, [ebp+12] ;B paddw mm5, mm1 paddw mm6, mm2 paddw mm7, mm3 movq mm0, [eax] movq mm1, mm4 psubw mm0, mm1 movq mm1, [RedMask] movq mm2, [GreenMask] movq mm3, [BlueMask] pand mm1, [edx] pand mm2, [edx] psrlw mm1, 5 pand mm3, [edx] pmullw mm1, mm0 pmullw mm2, mm0 pmullw mm3, mm0 mov edx, [ebp+8] ;A paddw mm5, mm1 paddw mm6, mm2 paddw mm7, mm3 movq mm0, [All32s] movq mm1, mm4 movq mm2, [eax] movq mm3, [ebx] paddw mm0, mm1 paddw mm2, mm3 psubw mm0, mm2 movq mm1, [RedMask] movq mm2, [GreenMask] movq mm3, [BlueMask] pand mm1, [edx] pand mm2, [edx] psrlw mm1, 5 pand mm3, [edx] pmullw mm1, mm0 pmullw mm2, mm0 pmullw mm3, mm0 mov edx, [ebp+32] paddw mm5, mm1 paddw mm6, mm2 paddw mm7, mm3 psrlw mm6, 5 psrlw mm7, 5 pand mm5, [RedMask] pand mm6, [GreenMask] pand mm7, [BlueMask] por mm5, mm6 por mm7, mm5%ifdef FAR_POINTER movq [fs:edx], mm7%else movq [edx], mm7%endif pop edx pop ebx mov esp, ebp pop ebp ret_BilinearMMXGrid0:; Store some stuff push ebp mov ebp, esp push ebx mov eax, [ebp+24] ;dx mov ebx, [ebp+28] ;dy push edx movq mm0, [eax] movq mm1, [ebx] psrlw mm0, 11 ;reduce to 5 bits psrlw mm1, 11 movq [eax], mm0 movq [ebx], mm1 mov edx, [ebp+20] ;D pmullw mm0, mm1 movq mm5, [RedMask] movq mm6, [GreenMask] movq mm7, [BlueMask] psrlw mm0, 5 pand mm5, [edx] pand mm6, [edx] psrlw mm5, 5 pand mm7, [edx] pmullw mm5, mm0 pmullw mm6, mm0 pmullw mm7, mm0 movq mm4, mm0 ;store x*y mov edx, [ebp+16] ;C movq mm0, [ebx] movq mm1, mm4 psubw mm0, mm1 movq mm1, [RedMask] movq mm2, [GreenMask] movq mm3, [BlueMask] pand mm1, [edx] pand mm2, [edx] psrlw mm1, 5 pand mm3, [edx] pmullw mm1, mm0 pmullw mm2, mm0 pmullw mm3, mm0 mov edx, [ebp+12] ;B paddw mm5, mm1 paddw mm6, mm2 paddw mm7, mm3 movq mm0, [eax] movq mm1, mm4 psubw mm0, mm1 movq mm1, [RedMask] movq mm2, [GreenMask] movq mm3, [BlueMask] pand mm1, [edx] pand mm2, [edx] psrlw mm1, 5 pand mm3, [edx] pmullw mm1, mm0 pmullw mm2, mm0 pmullw mm3, mm0 mov edx, [ebp+8] ;A paddw mm5, mm1 paddw mm6, mm2 paddw mm7, mm3 movq mm0, [All32s] movq mm1, mm4 movq mm2, [eax] movq mm3, [ebx] paddw mm0, mm1 paddw mm2, mm3 psubw mm0, mm2 movq mm1, [RedMask] movq mm2, [GreenMask] movq mm3, [BlueMask] pand mm1, [edx] pand mm2, [edx] psrlw mm1, 5 pand mm3, [edx] pmullw mm1, mm0 pmullw mm2, mm0 pmullw mm3, mm0 mov edx, [ebp+32] paddw mm5, mm1 paddw mm6, mm2 paddw mm7, mm3 psrlw mm6, 5 psrlw mm7, 5 pand mm5, [RedMask] pand mm6, [GreenMask] pand mm7, [BlueMask] por mm5, mm6 pxor mm0, mm0 movq mm6, mm7 por mm7, mm5 por mm6, mm5 punpcklwd mm6, mm0 punpckhwd mm7, mm0%ifdef FAR_POINTER movq [fs:edx], mm6 movq [fs:edx+8], mm7%else movq [edx], mm6 movq [edx+8], mm7%endif pop edx pop ebx mov esp, ebp pop ebp ret_BilinearMMXGrid1:; Store some stuff push ebp mov ebp, esp push ebx mov eax, [ebp+24] ;dx mov ebx, [ebp+28] ;dy push edx movq mm0, [eax] movq mm1, [ebx] psrlw mm0, 11 ;reduce to 5 bits psrlw mm1, 11 movq [eax], mm0 movq [ebx], mm1 mov edx, [ebp+20] ;D pmullw mm0, mm1 movq mm5, [RedMask] movq mm6, [GreenMask] movq mm7, [BlueMask] psrlw mm0, 5 pand mm5, [edx] pand mm6, [edx] psrlw mm5, 5 pand mm7, [edx] pmullw mm5, mm0 pmullw mm6, mm0 pmullw mm7, mm0 movq mm4, mm0 ;store x*y mov edx, [ebp+16] ;C movq mm0, [ebx] movq mm1, mm4 psubw mm0, mm1 movq mm1, [RedMask] movq mm2, [GreenMask] movq mm3, [BlueMask] pand mm1, [edx] pand mm2, [edx] psrlw mm1, 5 pand mm3, [edx] pmullw mm1, mm0 pmullw mm2, mm0 pmullw mm3, mm0 mov edx, [ebp+12] ;B paddw mm5, mm1 paddw mm6, mm2 paddw mm7, mm3 movq mm0, [eax] movq mm1, mm4 psubw mm0, mm1 movq mm1, [RedMask] movq mm2, [GreenMask] movq mm3, [BlueMask] pand mm1, [edx] pand mm2, [edx] psrlw mm1, 5 pand mm3, [edx] pmullw mm1, mm0 pmullw mm2, mm0 pmullw mm3, mm0 mov edx, [ebp+8] ;A paddw mm5, mm1 paddw mm6, mm2 paddw mm7, mm3 movq mm0, [All32s] movq mm1, mm4 movq mm2, [eax] movq mm3, [ebx] paddw mm0, mm1 paddw mm2, mm3 psubw mm0, mm2 movq mm1, [RedMask] movq mm2, [GreenMask] movq mm3, [BlueMask] pand mm1, [edx] pand mm2, [edx] psrlw mm1, 5 pand mm3, [edx] pmullw mm1, mm0 pmullw mm2, mm0 pmullw mm3, mm0 mov edx, [ebp+32] paddw mm5, mm1 paddw mm6, mm2 paddw mm7, mm3 psrlw mm6, 5 psrlw mm7, 5 pand mm5, [RedMask] pand mm6, [GreenMask] pand mm7, [BlueMask] por mm5, mm6 pxor mm0, mm0 por mm7, mm5 pxor mm1, mm1 punpcklwd mm0, mm7 punpckhwd mm1, mm7%ifdef FAR_POINTER movq [fs:edx], mm0 movq [fs:edx+8], mm1%else movq [edx], mm0 movq [edx+8], mm1%endif pop edx pop ebx mov esp, ebp pop ebp ret%ifdef __DJGPP___EndMMX:%elseEndMMX:%endif emms ret SECTION .data ALIGN = 32;Some constantsRedMask dd 0xF800F800, 0xF800F800BlueMask dd 0x001F001F, 0x001F001FGreenMask dd 0x07E007E0, 0x07E007E0All32s dd 0x00200020, 0x00200020⌨️ 快捷键说明
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