diff options
Diffstat (limited to 'media/libjpeg/simd/jdmrgext-sse2.asm')
-rw-r--r-- | media/libjpeg/simd/jdmrgext-sse2.asm | 518 |
1 files changed, 0 insertions, 518 deletions
diff --git a/media/libjpeg/simd/jdmrgext-sse2.asm b/media/libjpeg/simd/jdmrgext-sse2.asm deleted file mode 100644 index b50f698b49..0000000000 --- a/media/libjpeg/simd/jdmrgext-sse2.asm +++ /dev/null @@ -1,518 +0,0 @@ -; -; jdmrgext.asm - merged upsampling/color conversion (SSE2) -; -; Copyright 2009, 2012 Pierre Ossman <ossman@cendio.se> for Cendio AB -; Copyright (C) 2012, D. R. Commander. -; -; Based on the x86 SIMD extension for IJG JPEG library -; Copyright (C) 1999-2006, MIYASAKA Masaru. -; For conditions of distribution and use, see copyright notice in jsimdext.inc -; -; This file should be assembled with NASM (Netwide Assembler), -; can *not* be assembled with Microsoft's MASM or any compatible -; assembler (including Borland's Turbo Assembler). -; NASM is available from http://nasm.sourceforge.net/ or -; http://sourceforge.net/project/showfiles.php?group_id=6208 -; -; [TAB8] - -%include "jcolsamp.inc" - -; -------------------------------------------------------------------------- -; -; Upsample and color convert for the case of 2:1 horizontal and 1:1 vertical. -; -; GLOBAL(void) -; jsimd_h2v1_merged_upsample_sse2 (JDIMENSION output_width, -; JSAMPIMAGE input_buf, -; JDIMENSION in_row_group_ctr, -; JSAMPARRAY output_buf); -; - -%define output_width(b) (b)+8 ; JDIMENSION output_width -%define input_buf(b) (b)+12 ; JSAMPIMAGE input_buf -%define in_row_group_ctr(b) (b)+16 ; JDIMENSION in_row_group_ctr -%define output_buf(b) (b)+20 ; JSAMPARRAY output_buf - -%define original_ebp ebp+0 -%define wk(i) ebp-(WK_NUM-(i))*SIZEOF_XMMWORD ; xmmword wk[WK_NUM] -%define WK_NUM 3 -%define gotptr wk(0)-SIZEOF_POINTER ; void * gotptr - - align 16 - global EXTN(jsimd_h2v1_merged_upsample_sse2) - -EXTN(jsimd_h2v1_merged_upsample_sse2): - push ebp - mov eax,esp ; eax = original ebp - sub esp, byte 4 - and esp, byte (-SIZEOF_XMMWORD) ; align to 128 bits - mov [esp],eax - mov ebp,esp ; ebp = aligned ebp - lea esp, [wk(0)] - pushpic eax ; make a room for GOT address - push ebx -; push ecx ; need not be preserved -; push edx ; need not be preserved - push esi - push edi - - get_GOT ebx ; get GOT address - movpic POINTER [gotptr], ebx ; save GOT address - - mov ecx, JDIMENSION [output_width(eax)] ; col - test ecx,ecx - jz near .return - - push ecx - - mov edi, JSAMPIMAGE [input_buf(eax)] - mov ecx, JDIMENSION [in_row_group_ctr(eax)] - mov esi, JSAMPARRAY [edi+0*SIZEOF_JSAMPARRAY] - mov ebx, JSAMPARRAY [edi+1*SIZEOF_JSAMPARRAY] - mov edx, JSAMPARRAY [edi+2*SIZEOF_JSAMPARRAY] - mov edi, JSAMPARRAY [output_buf(eax)] - mov esi, JSAMPROW [esi+ecx*SIZEOF_JSAMPROW] ; inptr0 - mov ebx, JSAMPROW [ebx+ecx*SIZEOF_JSAMPROW] ; inptr1 - mov edx, JSAMPROW [edx+ecx*SIZEOF_JSAMPROW] ; inptr2 - mov edi, JSAMPROW [edi] ; outptr - - pop ecx ; col - - alignx 16,7 -.columnloop: - movpic eax, POINTER [gotptr] ; load GOT address (eax) - - movdqa xmm6, XMMWORD [ebx] ; xmm6=Cb(0123456789ABCDEF) - movdqa xmm7, XMMWORD [edx] ; xmm7=Cr(0123456789ABCDEF) - - pxor xmm1,xmm1 ; xmm1=(all 0's) - pcmpeqw xmm3,xmm3 - psllw xmm3,7 ; xmm3={0xFF80 0xFF80 0xFF80 0xFF80 ..} - - movdqa xmm4,xmm6 - punpckhbw xmm6,xmm1 ; xmm6=Cb(89ABCDEF)=CbH - punpcklbw xmm4,xmm1 ; xmm4=Cb(01234567)=CbL - movdqa xmm0,xmm7 - punpckhbw xmm7,xmm1 ; xmm7=Cr(89ABCDEF)=CrH - punpcklbw xmm0,xmm1 ; xmm0=Cr(01234567)=CrL - - paddw xmm6,xmm3 - paddw xmm4,xmm3 - paddw xmm7,xmm3 - paddw xmm0,xmm3 - - ; (Original) - ; R = Y + 1.40200 * Cr - ; G = Y - 0.34414 * Cb - 0.71414 * Cr - ; B = Y + 1.77200 * Cb - ; - ; (This implementation) - ; R = Y + 0.40200 * Cr + Cr - ; G = Y - 0.34414 * Cb + 0.28586 * Cr - Cr - ; B = Y - 0.22800 * Cb + Cb + Cb - - movdqa xmm5,xmm6 ; xmm5=CbH - movdqa xmm2,xmm4 ; xmm2=CbL - paddw xmm6,xmm6 ; xmm6=2*CbH - paddw xmm4,xmm4 ; xmm4=2*CbL - movdqa xmm1,xmm7 ; xmm1=CrH - movdqa xmm3,xmm0 ; xmm3=CrL - paddw xmm7,xmm7 ; xmm7=2*CrH - paddw xmm0,xmm0 ; xmm0=2*CrL - - pmulhw xmm6,[GOTOFF(eax,PW_MF0228)] ; xmm6=(2*CbH * -FIX(0.22800)) - pmulhw xmm4,[GOTOFF(eax,PW_MF0228)] ; xmm4=(2*CbL * -FIX(0.22800)) - pmulhw xmm7,[GOTOFF(eax,PW_F0402)] ; xmm7=(2*CrH * FIX(0.40200)) - pmulhw xmm0,[GOTOFF(eax,PW_F0402)] ; xmm0=(2*CrL * FIX(0.40200)) - - paddw xmm6,[GOTOFF(eax,PW_ONE)] - paddw xmm4,[GOTOFF(eax,PW_ONE)] - psraw xmm6,1 ; xmm6=(CbH * -FIX(0.22800)) - psraw xmm4,1 ; xmm4=(CbL * -FIX(0.22800)) - paddw xmm7,[GOTOFF(eax,PW_ONE)] - paddw xmm0,[GOTOFF(eax,PW_ONE)] - psraw xmm7,1 ; xmm7=(CrH * FIX(0.40200)) - psraw xmm0,1 ; xmm0=(CrL * FIX(0.40200)) - - paddw xmm6,xmm5 - paddw xmm4,xmm2 - paddw xmm6,xmm5 ; xmm6=(CbH * FIX(1.77200))=(B-Y)H - paddw xmm4,xmm2 ; xmm4=(CbL * FIX(1.77200))=(B-Y)L - paddw xmm7,xmm1 ; xmm7=(CrH * FIX(1.40200))=(R-Y)H - paddw xmm0,xmm3 ; xmm0=(CrL * FIX(1.40200))=(R-Y)L - - movdqa XMMWORD [wk(0)], xmm6 ; wk(0)=(B-Y)H - movdqa XMMWORD [wk(1)], xmm7 ; wk(1)=(R-Y)H - - movdqa xmm6,xmm5 - movdqa xmm7,xmm2 - punpcklwd xmm5,xmm1 - punpckhwd xmm6,xmm1 - pmaddwd xmm5,[GOTOFF(eax,PW_MF0344_F0285)] - pmaddwd xmm6,[GOTOFF(eax,PW_MF0344_F0285)] - punpcklwd xmm2,xmm3 - punpckhwd xmm7,xmm3 - pmaddwd xmm2,[GOTOFF(eax,PW_MF0344_F0285)] - pmaddwd xmm7,[GOTOFF(eax,PW_MF0344_F0285)] - - paddd xmm5,[GOTOFF(eax,PD_ONEHALF)] - paddd xmm6,[GOTOFF(eax,PD_ONEHALF)] - psrad xmm5,SCALEBITS - psrad xmm6,SCALEBITS - paddd xmm2,[GOTOFF(eax,PD_ONEHALF)] - paddd xmm7,[GOTOFF(eax,PD_ONEHALF)] - psrad xmm2,SCALEBITS - psrad xmm7,SCALEBITS - - packssdw xmm5,xmm6 ; xmm5=CbH*-FIX(0.344)+CrH*FIX(0.285) - packssdw xmm2,xmm7 ; xmm2=CbL*-FIX(0.344)+CrL*FIX(0.285) - psubw xmm5,xmm1 ; xmm5=CbH*-FIX(0.344)+CrH*-FIX(0.714)=(G-Y)H - psubw xmm2,xmm3 ; xmm2=CbL*-FIX(0.344)+CrL*-FIX(0.714)=(G-Y)L - - movdqa XMMWORD [wk(2)], xmm5 ; wk(2)=(G-Y)H - - mov al,2 ; Yctr - jmp short .Yloop_1st - alignx 16,7 - -.Yloop_2nd: - movdqa xmm0, XMMWORD [wk(1)] ; xmm0=(R-Y)H - movdqa xmm2, XMMWORD [wk(2)] ; xmm2=(G-Y)H - movdqa xmm4, XMMWORD [wk(0)] ; xmm4=(B-Y)H - alignx 16,7 - -.Yloop_1st: - movdqa xmm7, XMMWORD [esi] ; xmm7=Y(0123456789ABCDEF) - - pcmpeqw xmm6,xmm6 - psrlw xmm6,BYTE_BIT ; xmm6={0xFF 0x00 0xFF 0x00 ..} - pand xmm6,xmm7 ; xmm6=Y(02468ACE)=YE - psrlw xmm7,BYTE_BIT ; xmm7=Y(13579BDF)=YO - - movdqa xmm1,xmm0 ; xmm1=xmm0=(R-Y)(L/H) - movdqa xmm3,xmm2 ; xmm3=xmm2=(G-Y)(L/H) - movdqa xmm5,xmm4 ; xmm5=xmm4=(B-Y)(L/H) - - paddw xmm0,xmm6 ; xmm0=((R-Y)+YE)=RE=R(02468ACE) - paddw xmm1,xmm7 ; xmm1=((R-Y)+YO)=RO=R(13579BDF) - packuswb xmm0,xmm0 ; xmm0=R(02468ACE********) - packuswb xmm1,xmm1 ; xmm1=R(13579BDF********) - - paddw xmm2,xmm6 ; xmm2=((G-Y)+YE)=GE=G(02468ACE) - paddw xmm3,xmm7 ; xmm3=((G-Y)+YO)=GO=G(13579BDF) - packuswb xmm2,xmm2 ; xmm2=G(02468ACE********) - packuswb xmm3,xmm3 ; xmm3=G(13579BDF********) - - paddw xmm4,xmm6 ; xmm4=((B-Y)+YE)=BE=B(02468ACE) - paddw xmm5,xmm7 ; xmm5=((B-Y)+YO)=BO=B(13579BDF) - packuswb xmm4,xmm4 ; xmm4=B(02468ACE********) - packuswb xmm5,xmm5 ; xmm5=B(13579BDF********) - -%if RGB_PIXELSIZE == 3 ; --------------- - - ; xmmA=(00 02 04 06 08 0A 0C 0E **), xmmB=(01 03 05 07 09 0B 0D 0F **) - ; xmmC=(10 12 14 16 18 1A 1C 1E **), xmmD=(11 13 15 17 19 1B 1D 1F **) - ; xmmE=(20 22 24 26 28 2A 2C 2E **), xmmF=(21 23 25 27 29 2B 2D 2F **) - ; xmmG=(** ** ** ** ** ** ** ** **), xmmH=(** ** ** ** ** ** ** ** **) - - punpcklbw xmmA,xmmC ; xmmA=(00 10 02 12 04 14 06 16 08 18 0A 1A 0C 1C 0E 1E) - punpcklbw xmmE,xmmB ; xmmE=(20 01 22 03 24 05 26 07 28 09 2A 0B 2C 0D 2E 0F) - punpcklbw xmmD,xmmF ; xmmD=(11 21 13 23 15 25 17 27 19 29 1B 2B 1D 2D 1F 2F) - - movdqa xmmG,xmmA - movdqa xmmH,xmmA - punpcklwd xmmA,xmmE ; xmmA=(00 10 20 01 02 12 22 03 04 14 24 05 06 16 26 07) - punpckhwd xmmG,xmmE ; xmmG=(08 18 28 09 0A 1A 2A 0B 0C 1C 2C 0D 0E 1E 2E 0F) - - psrldq xmmH,2 ; xmmH=(02 12 04 14 06 16 08 18 0A 1A 0C 1C 0E 1E -- --) - psrldq xmmE,2 ; xmmE=(22 03 24 05 26 07 28 09 2A 0B 2C 0D 2E 0F -- --) - - movdqa xmmC,xmmD - movdqa xmmB,xmmD - punpcklwd xmmD,xmmH ; xmmD=(11 21 02 12 13 23 04 14 15 25 06 16 17 27 08 18) - punpckhwd xmmC,xmmH ; xmmC=(19 29 0A 1A 1B 2B 0C 1C 1D 2D 0E 1E 1F 2F -- --) - - psrldq xmmB,2 ; xmmB=(13 23 15 25 17 27 19 29 1B 2B 1D 2D 1F 2F -- --) - - movdqa xmmF,xmmE - punpcklwd xmmE,xmmB ; xmmE=(22 03 13 23 24 05 15 25 26 07 17 27 28 09 19 29) - punpckhwd xmmF,xmmB ; xmmF=(2A 0B 1B 2B 2C 0D 1D 2D 2E 0F 1F 2F -- -- -- --) - - pshufd xmmH,xmmA,0x4E; xmmH=(04 14 24 05 06 16 26 07 00 10 20 01 02 12 22 03) - movdqa xmmB,xmmE - punpckldq xmmA,xmmD ; xmmA=(00 10 20 01 11 21 02 12 02 12 22 03 13 23 04 14) - punpckldq xmmE,xmmH ; xmmE=(22 03 13 23 04 14 24 05 24 05 15 25 06 16 26 07) - punpckhdq xmmD,xmmB ; xmmD=(15 25 06 16 26 07 17 27 17 27 08 18 28 09 19 29) - - pshufd xmmH,xmmG,0x4E; xmmH=(0C 1C 2C 0D 0E 1E 2E 0F 08 18 28 09 0A 1A 2A 0B) - movdqa xmmB,xmmF - punpckldq xmmG,xmmC ; xmmG=(08 18 28 09 19 29 0A 1A 0A 1A 2A 0B 1B 2B 0C 1C) - punpckldq xmmF,xmmH ; xmmF=(2A 0B 1B 2B 0C 1C 2C 0D 2C 0D 1D 2D 0E 1E 2E 0F) - punpckhdq xmmC,xmmB ; xmmC=(1D 2D 0E 1E 2E 0F 1F 2F 1F 2F -- -- -- -- -- --) - - punpcklqdq xmmA,xmmE ; xmmA=(00 10 20 01 11 21 02 12 22 03 13 23 04 14 24 05) - punpcklqdq xmmD,xmmG ; xmmD=(15 25 06 16 26 07 17 27 08 18 28 09 19 29 0A 1A) - punpcklqdq xmmF,xmmC ; xmmF=(2A 0B 1B 2B 0C 1C 2C 0D 1D 2D 0E 1E 2E 0F 1F 2F) - - cmp ecx, byte SIZEOF_XMMWORD - jb short .column_st32 - - test edi, SIZEOF_XMMWORD-1 - jnz short .out1 - ; --(aligned)------------------- - movntdq XMMWORD [edi+0*SIZEOF_XMMWORD], xmmA - movntdq XMMWORD [edi+1*SIZEOF_XMMWORD], xmmD - movntdq XMMWORD [edi+2*SIZEOF_XMMWORD], xmmF - jmp short .out0 -.out1: ; --(unaligned)----------------- - movdqu XMMWORD [edi+0*SIZEOF_XMMWORD], xmmA - movdqu XMMWORD [edi+1*SIZEOF_XMMWORD], xmmD - movdqu XMMWORD [edi+2*SIZEOF_XMMWORD], xmmF -.out0: - add edi, byte RGB_PIXELSIZE*SIZEOF_XMMWORD ; outptr - sub ecx, byte SIZEOF_XMMWORD - jz near .endcolumn - - add esi, byte SIZEOF_XMMWORD ; inptr0 - dec al ; Yctr - jnz near .Yloop_2nd - - add ebx, byte SIZEOF_XMMWORD ; inptr1 - add edx, byte SIZEOF_XMMWORD ; inptr2 - jmp near .columnloop - alignx 16,7 - -.column_st32: - lea ecx, [ecx+ecx*2] ; imul ecx, RGB_PIXELSIZE - cmp ecx, byte 2*SIZEOF_XMMWORD - jb short .column_st16 - movdqu XMMWORD [edi+0*SIZEOF_XMMWORD], xmmA - movdqu XMMWORD [edi+1*SIZEOF_XMMWORD], xmmD - add edi, byte 2*SIZEOF_XMMWORD ; outptr - movdqa xmmA,xmmF - sub ecx, byte 2*SIZEOF_XMMWORD - jmp short .column_st15 -.column_st16: - cmp ecx, byte SIZEOF_XMMWORD - jb short .column_st15 - movdqu XMMWORD [edi+0*SIZEOF_XMMWORD], xmmA - add edi, byte SIZEOF_XMMWORD ; outptr - movdqa xmmA,xmmD - sub ecx, byte SIZEOF_XMMWORD -.column_st15: - ; Store the lower 8 bytes of xmmA to the output when it has enough - ; space. - cmp ecx, byte SIZEOF_MMWORD - jb short .column_st7 - movq XMM_MMWORD [edi], xmmA - add edi, byte SIZEOF_MMWORD - sub ecx, byte SIZEOF_MMWORD - psrldq xmmA, SIZEOF_MMWORD -.column_st7: - ; Store the lower 4 bytes of xmmA to the output when it has enough - ; space. - cmp ecx, byte SIZEOF_DWORD - jb short .column_st3 - movd XMM_DWORD [edi], xmmA - add edi, byte SIZEOF_DWORD - sub ecx, byte SIZEOF_DWORD - psrldq xmmA, SIZEOF_DWORD -.column_st3: - ; Store the lower 2 bytes of eax to the output when it has enough - ; space. - movd eax, xmmA - cmp ecx, byte SIZEOF_WORD - jb short .column_st1 - mov WORD [edi], ax - add edi, byte SIZEOF_WORD - sub ecx, byte SIZEOF_WORD - shr eax, 16 -.column_st1: - ; Store the lower 1 byte of eax to the output when it has enough - ; space. - test ecx, ecx - jz short .endcolumn - mov BYTE [edi], al - -%else ; RGB_PIXELSIZE == 4 ; ----------- - -%ifdef RGBX_FILLER_0XFF - pcmpeqb xmm6,xmm6 ; xmm6=XE=X(02468ACE********) - pcmpeqb xmm7,xmm7 ; xmm7=XO=X(13579BDF********) -%else - pxor xmm6,xmm6 ; xmm6=XE=X(02468ACE********) - pxor xmm7,xmm7 ; xmm7=XO=X(13579BDF********) -%endif - ; xmmA=(00 02 04 06 08 0A 0C 0E **), xmmB=(01 03 05 07 09 0B 0D 0F **) - ; xmmC=(10 12 14 16 18 1A 1C 1E **), xmmD=(11 13 15 17 19 1B 1D 1F **) - ; xmmE=(20 22 24 26 28 2A 2C 2E **), xmmF=(21 23 25 27 29 2B 2D 2F **) - ; xmmG=(30 32 34 36 38 3A 3C 3E **), xmmH=(31 33 35 37 39 3B 3D 3F **) - - punpcklbw xmmA,xmmC ; xmmA=(00 10 02 12 04 14 06 16 08 18 0A 1A 0C 1C 0E 1E) - punpcklbw xmmE,xmmG ; xmmE=(20 30 22 32 24 34 26 36 28 38 2A 3A 2C 3C 2E 3E) - punpcklbw xmmB,xmmD ; xmmB=(01 11 03 13 05 15 07 17 09 19 0B 1B 0D 1D 0F 1F) - punpcklbw xmmF,xmmH ; xmmF=(21 31 23 33 25 35 27 37 29 39 2B 3B 2D 3D 2F 3F) - - movdqa xmmC,xmmA - punpcklwd xmmA,xmmE ; xmmA=(00 10 20 30 02 12 22 32 04 14 24 34 06 16 26 36) - punpckhwd xmmC,xmmE ; xmmC=(08 18 28 38 0A 1A 2A 3A 0C 1C 2C 3C 0E 1E 2E 3E) - movdqa xmmG,xmmB - punpcklwd xmmB,xmmF ; xmmB=(01 11 21 31 03 13 23 33 05 15 25 35 07 17 27 37) - punpckhwd xmmG,xmmF ; xmmG=(09 19 29 39 0B 1B 2B 3B 0D 1D 2D 3D 0F 1F 2F 3F) - - movdqa xmmD,xmmA - punpckldq xmmA,xmmB ; xmmA=(00 10 20 30 01 11 21 31 02 12 22 32 03 13 23 33) - punpckhdq xmmD,xmmB ; xmmD=(04 14 24 34 05 15 25 35 06 16 26 36 07 17 27 37) - movdqa xmmH,xmmC - punpckldq xmmC,xmmG ; xmmC=(08 18 28 38 09 19 29 39 0A 1A 2A 3A 0B 1B 2B 3B) - punpckhdq xmmH,xmmG ; xmmH=(0C 1C 2C 3C 0D 1D 2D 3D 0E 1E 2E 3E 0F 1F 2F 3F) - - cmp ecx, byte SIZEOF_XMMWORD - jb short .column_st32 - - test edi, SIZEOF_XMMWORD-1 - jnz short .out1 - ; --(aligned)------------------- - movntdq XMMWORD [edi+0*SIZEOF_XMMWORD], xmmA - movntdq XMMWORD [edi+1*SIZEOF_XMMWORD], xmmD - movntdq XMMWORD [edi+2*SIZEOF_XMMWORD], xmmC - movntdq XMMWORD [edi+3*SIZEOF_XMMWORD], xmmH - jmp short .out0 -.out1: ; --(unaligned)----------------- - movdqu XMMWORD [edi+0*SIZEOF_XMMWORD], xmmA - movdqu XMMWORD [edi+1*SIZEOF_XMMWORD], xmmD - movdqu XMMWORD [edi+2*SIZEOF_XMMWORD], xmmC - movdqu XMMWORD [edi+3*SIZEOF_XMMWORD], xmmH -.out0: - add edi, byte RGB_PIXELSIZE*SIZEOF_XMMWORD ; outptr - sub ecx, byte SIZEOF_XMMWORD - jz near .endcolumn - - add esi, byte SIZEOF_XMMWORD ; inptr0 - dec al ; Yctr - jnz near .Yloop_2nd - - add ebx, byte SIZEOF_XMMWORD ; inptr1 - add edx, byte SIZEOF_XMMWORD ; inptr2 - jmp near .columnloop - alignx 16,7 - -.column_st32: - cmp ecx, byte SIZEOF_XMMWORD/2 - jb short .column_st16 - movdqu XMMWORD [edi+0*SIZEOF_XMMWORD], xmmA - movdqu XMMWORD [edi+1*SIZEOF_XMMWORD], xmmD - add edi, byte 2*SIZEOF_XMMWORD ; outptr - movdqa xmmA,xmmC - movdqa xmmD,xmmH - sub ecx, byte SIZEOF_XMMWORD/2 -.column_st16: - cmp ecx, byte SIZEOF_XMMWORD/4 - jb short .column_st15 - movdqu XMMWORD [edi+0*SIZEOF_XMMWORD], xmmA - add edi, byte SIZEOF_XMMWORD ; outptr - movdqa xmmA,xmmD - sub ecx, byte SIZEOF_XMMWORD/4 -.column_st15: - ; Store two pixels (8 bytes) of xmmA to the output when it has enough - ; space. - cmp ecx, byte SIZEOF_XMMWORD/8 - jb short .column_st7 - movq XMM_MMWORD [edi], xmmA - add edi, byte SIZEOF_XMMWORD/8*4 - sub ecx, byte SIZEOF_XMMWORD/8 - psrldq xmmA, SIZEOF_XMMWORD/8*4 -.column_st7: - ; Store one pixel (4 bytes) of xmmA to the output when it has enough - ; space. - test ecx, ecx - jz short .endcolumn - movd XMM_DWORD [edi], xmmA - -%endif ; RGB_PIXELSIZE ; --------------- - -.endcolumn: - sfence ; flush the write buffer - -.return: - pop edi - pop esi -; pop edx ; need not be preserved -; pop ecx ; need not be preserved - pop ebx - mov esp,ebp ; esp <- aligned ebp - pop esp ; esp <- original ebp - pop ebp - ret - -; -------------------------------------------------------------------------- -; -; Upsample and color convert for the case of 2:1 horizontal and 2:1 vertical. -; -; GLOBAL(void) -; jsimd_h2v2_merged_upsample_sse2 (JDIMENSION output_width, -; JSAMPIMAGE input_buf, -; JDIMENSION in_row_group_ctr, -; JSAMPARRAY output_buf); -; - -%define output_width(b) (b)+8 ; JDIMENSION output_width -%define input_buf(b) (b)+12 ; JSAMPIMAGE input_buf -%define in_row_group_ctr(b) (b)+16 ; JDIMENSION in_row_group_ctr -%define output_buf(b) (b)+20 ; JSAMPARRAY output_buf - - align 16 - global EXTN(jsimd_h2v2_merged_upsample_sse2) - -EXTN(jsimd_h2v2_merged_upsample_sse2): - push ebp - mov ebp,esp - push ebx -; push ecx ; need not be preserved -; push edx ; need not be preserved - push esi - push edi - - mov eax, POINTER [output_width(ebp)] - - mov edi, JSAMPIMAGE [input_buf(ebp)] - mov ecx, JDIMENSION [in_row_group_ctr(ebp)] - mov esi, JSAMPARRAY [edi+0*SIZEOF_JSAMPARRAY] - mov ebx, JSAMPARRAY [edi+1*SIZEOF_JSAMPARRAY] - mov edx, JSAMPARRAY [edi+2*SIZEOF_JSAMPARRAY] - mov edi, JSAMPARRAY [output_buf(ebp)] - lea esi, [esi+ecx*SIZEOF_JSAMPROW] - - push edx ; inptr2 - push ebx ; inptr1 - push esi ; inptr00 - mov ebx,esp - - push edi ; output_buf (outptr0) - push ecx ; in_row_group_ctr - push ebx ; input_buf - push eax ; output_width - - call near EXTN(jsimd_h2v1_merged_upsample_sse2) - - add esi, byte SIZEOF_JSAMPROW ; inptr01 - add edi, byte SIZEOF_JSAMPROW ; outptr1 - mov POINTER [ebx+0*SIZEOF_POINTER], esi - mov POINTER [ebx-1*SIZEOF_POINTER], edi - - call near EXTN(jsimd_h2v1_merged_upsample_sse2) - - add esp, byte 7*SIZEOF_DWORD - - pop edi - pop esi -; pop edx ; need not be preserved -; pop ecx ; need not be preserved - pop ebx - pop ebp - ret - -; For some reason, the OS X linker does not honor the request to align the -; segment unless we do this. - align 16 |