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- %include "jcolsamp.inc"
- %define img_width(b) (b) + 8
- %define input_buf(b) (b) + 12
- %define output_buf(b) (b) + 16
- %define output_row(b) (b) + 20
- %define num_rows(b) (b) + 24
- %define original_ebp ebp + 0
- %define wk(i) ebp - (WK_NUM - (i)) * SIZEOF_XMMWORD
-
- %define WK_NUM 2
- %define gotptr wk(0) - SIZEOF_POINTER
- align 32
- GLOBAL_FUNCTION(jsimd_rgb_gray_convert_sse2)
- EXTN(jsimd_rgb_gray_convert_sse2):
- push ebp
- mov eax, esp
- sub esp, byte 4
- and esp, byte (-SIZEOF_XMMWORD)
- mov [esp], eax
- mov ebp, esp
- lea esp, [wk(0)]
- pushpic eax
- push ebx
- push esi
- push edi
- get_GOT ebx
- movpic POINTER [gotptr], ebx
- mov ecx, JDIMENSION [img_width(eax)]
- test ecx, ecx
- jz near .return
- push ecx
- mov esi, JSAMPIMAGE [output_buf(eax)]
- mov ecx, JDIMENSION [output_row(eax)]
- mov edi, JSAMPARRAY [esi+0*SIZEOF_JSAMPARRAY]
- lea edi, [edi+ecx*SIZEOF_JSAMPROW]
- pop ecx
- mov esi, JSAMPARRAY [input_buf(eax)]
- mov eax, INT [num_rows(eax)]
- test eax, eax
- jle near .return
- alignx 16, 7
- .rowloop:
- pushpic eax
- push edi
- push esi
- push ecx
- mov esi, JSAMPROW [esi]
- mov edi, JSAMPROW [edi]
- movpic eax, POINTER [gotptr]
- cmp ecx, byte SIZEOF_XMMWORD
- jae near .columnloop
- alignx 16, 7
- %if RGB_PIXELSIZE == 3
- .column_ld1:
- push eax
- push edx
- lea ecx, [ecx+ecx*2]
- test cl, SIZEOF_BYTE
- jz short .column_ld2
- sub ecx, byte SIZEOF_BYTE
- movzx eax, byte [esi+ecx]
- .column_ld2:
- test cl, SIZEOF_WORD
- jz short .column_ld4
- sub ecx, byte SIZEOF_WORD
- movzx edx, word [esi+ecx]
- shl eax, WORD_BIT
- or eax, edx
- .column_ld4:
- movd xmmA, eax
- pop edx
- pop eax
- test cl, SIZEOF_DWORD
- jz short .column_ld8
- sub ecx, byte SIZEOF_DWORD
- movd xmmF, XMM_DWORD [esi+ecx]
- pslldq xmmA, SIZEOF_DWORD
- por xmmA, xmmF
- .column_ld8:
- test cl, SIZEOF_MMWORD
- jz short .column_ld16
- sub ecx, byte SIZEOF_MMWORD
- movq xmmB, XMM_MMWORD [esi+ecx]
- pslldq xmmA, SIZEOF_MMWORD
- por xmmA, xmmB
- .column_ld16:
- test cl, SIZEOF_XMMWORD
- jz short .column_ld32
- movdqa xmmF, xmmA
- movdqu xmmA, XMMWORD [esi+0*SIZEOF_XMMWORD]
- mov ecx, SIZEOF_XMMWORD
- jmp short .rgb_gray_cnv
- .column_ld32:
- test cl, 2*SIZEOF_XMMWORD
- mov ecx, SIZEOF_XMMWORD
- jz short .rgb_gray_cnv
- movdqa xmmB, xmmA
- movdqu xmmA, XMMWORD [esi+0*SIZEOF_XMMWORD]
- movdqu xmmF, XMMWORD [esi+1*SIZEOF_XMMWORD]
- jmp short .rgb_gray_cnv
- alignx 16, 7
- .columnloop:
- movdqu xmmA, XMMWORD [esi+0*SIZEOF_XMMWORD]
- movdqu xmmF, XMMWORD [esi+1*SIZEOF_XMMWORD]
- movdqu xmmB, XMMWORD [esi+2*SIZEOF_XMMWORD]
- .rgb_gray_cnv:
-
-
-
- movdqa xmmG, xmmA
- pslldq xmmA, 8
- psrldq xmmG, 8
- punpckhbw xmmA, xmmF
- pslldq xmmF, 8
- punpcklbw xmmG, xmmB
- punpckhbw xmmF, xmmB
- movdqa xmmD, xmmA
- pslldq xmmA, 8
- psrldq xmmD, 8
- punpckhbw xmmA, xmmG
- pslldq xmmG, 8
- punpcklbw xmmD, xmmF
- punpckhbw xmmG, xmmF
- movdqa xmmE, xmmA
- pslldq xmmA, 8
- psrldq xmmE, 8
- punpckhbw xmmA, xmmD
- pslldq xmmD, 8
- punpcklbw xmmE, xmmG
- punpckhbw xmmD, xmmG
- pxor xmmH, xmmH
- movdqa xmmC, xmmA
- punpcklbw xmmA, xmmH
- punpckhbw xmmC, xmmH
- movdqa xmmB, xmmE
- punpcklbw xmmE, xmmH
- punpckhbw xmmB, xmmH
- movdqa xmmF, xmmD
- punpcklbw xmmD, xmmH
- punpckhbw xmmF, xmmH
- %else
- .column_ld1:
- test cl, SIZEOF_XMMWORD/16
- jz short .column_ld2
- sub ecx, byte SIZEOF_XMMWORD/16
- movd xmmA, XMM_DWORD [esi+ecx*RGB_PIXELSIZE]
- .column_ld2:
- test cl, SIZEOF_XMMWORD/8
- jz short .column_ld4
- sub ecx, byte SIZEOF_XMMWORD/8
- movq xmmE, XMM_MMWORD [esi+ecx*RGB_PIXELSIZE]
- pslldq xmmA, SIZEOF_MMWORD
- por xmmA, xmmE
- .column_ld4:
- test cl, SIZEOF_XMMWORD/4
- jz short .column_ld8
- sub ecx, byte SIZEOF_XMMWORD/4
- movdqa xmmE, xmmA
- movdqu xmmA, XMMWORD [esi+ecx*RGB_PIXELSIZE]
- .column_ld8:
- test cl, SIZEOF_XMMWORD/2
- mov ecx, SIZEOF_XMMWORD
- jz short .rgb_gray_cnv
- movdqa xmmF, xmmA
- movdqa xmmH, xmmE
- movdqu xmmA, XMMWORD [esi+0*SIZEOF_XMMWORD]
- movdqu xmmE, XMMWORD [esi+1*SIZEOF_XMMWORD]
- jmp short .rgb_gray_cnv
- alignx 16, 7
- .columnloop:
- movdqu xmmA, XMMWORD [esi+0*SIZEOF_XMMWORD]
- movdqu xmmE, XMMWORD [esi+1*SIZEOF_XMMWORD]
- movdqu xmmF, XMMWORD [esi+2*SIZEOF_XMMWORD]
- movdqu xmmH, XMMWORD [esi+3*SIZEOF_XMMWORD]
- .rgb_gray_cnv:
-
-
-
-
- movdqa xmmD, xmmA
- punpcklbw xmmA, xmmE
- punpckhbw xmmD, xmmE
- movdqa xmmC, xmmF
- punpcklbw xmmF, xmmH
- punpckhbw xmmC, xmmH
- movdqa xmmB, xmmA
- punpcklwd xmmA, xmmF
- punpckhwd xmmB, xmmF
- movdqa xmmG, xmmD
- punpcklwd xmmD, xmmC
- punpckhwd xmmG, xmmC
- movdqa xmmE, xmmA
- punpcklbw xmmA, xmmD
- punpckhbw xmmE, xmmD
- movdqa xmmH, xmmB
- punpcklbw xmmB, xmmG
- punpckhbw xmmH, xmmG
- pxor xmmF, xmmF
- movdqa xmmC, xmmA
- punpcklbw xmmA, xmmF
- punpckhbw xmmC, xmmF
- movdqa xmmD, xmmB
- punpcklbw xmmB, xmmF
- punpckhbw xmmD, xmmF
- movdqa xmmG, xmmE
- punpcklbw xmmE, xmmF
- punpckhbw xmmG, xmmF
- punpcklbw xmmF, xmmH
- punpckhbw xmmH, xmmH
- psrlw xmmF, BYTE_BIT
- psrlw xmmH, BYTE_BIT
- %endif
-
-
-
-
-
-
-
- movdqa xmm6, xmm1
- punpcklwd xmm1, xmm3
- punpckhwd xmm6, xmm3
- pmaddwd xmm1, [GOTOFF(eax,PW_F0299_F0337)]
- pmaddwd xmm6, [GOTOFF(eax,PW_F0299_F0337)]
- movdqa xmm7, xmm6
- movdqa xmm6, xmm0
- punpcklwd xmm0, xmm2
- punpckhwd xmm6, xmm2
- pmaddwd xmm0, [GOTOFF(eax,PW_F0299_F0337)]
- pmaddwd xmm6, [GOTOFF(eax,PW_F0299_F0337)]
- movdqa XMMWORD [wk(0)], xmm0
- movdqa XMMWORD [wk(1)], xmm6
- movdqa xmm0, xmm5
- movdqa xmm6, xmm4
- movdqa xmm4, xmm0
- punpcklwd xmm0, xmm3
- punpckhwd xmm4, xmm3
- pmaddwd xmm0, [GOTOFF(eax,PW_F0114_F0250)]
- pmaddwd xmm4, [GOTOFF(eax,PW_F0114_F0250)]
- movdqa xmm3, [GOTOFF(eax,PD_ONEHALF)]
- paddd xmm0, xmm1
- paddd xmm4, xmm7
- paddd xmm0, xmm3
- paddd xmm4, xmm3
- psrld xmm0, SCALEBITS
- psrld xmm4, SCALEBITS
- packssdw xmm0, xmm4
- movdqa xmm4, xmm6
- punpcklwd xmm6, xmm2
- punpckhwd xmm4, xmm2
- pmaddwd xmm6, [GOTOFF(eax,PW_F0114_F0250)]
- pmaddwd xmm4, [GOTOFF(eax,PW_F0114_F0250)]
- movdqa xmm2, [GOTOFF(eax,PD_ONEHALF)]
- paddd xmm6, XMMWORD [wk(0)]
- paddd xmm4, XMMWORD [wk(1)]
- paddd xmm6, xmm2
- paddd xmm4, xmm2
- psrld xmm6, SCALEBITS
- psrld xmm4, SCALEBITS
- packssdw xmm6, xmm4
- psllw xmm0, BYTE_BIT
- por xmm6, xmm0
- movdqa XMMWORD [edi], xmm6
- sub ecx, byte SIZEOF_XMMWORD
- add esi, byte RGB_PIXELSIZE*SIZEOF_XMMWORD
- add edi, byte SIZEOF_XMMWORD
- cmp ecx, byte SIZEOF_XMMWORD
- jae near .columnloop
- test ecx, ecx
- jnz near .column_ld1
- pop ecx
- pop esi
- pop edi
- poppic eax
- add esi, byte SIZEOF_JSAMPROW
- add edi, byte SIZEOF_JSAMPROW
- dec eax
- jg near .rowloop
- .return:
- pop edi
- pop esi
- pop ebx
- mov esp, ebp
- pop esp
- pop ebp
- ret
- align 32
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