Add colorspace extensions to merged upsampling routines

git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@42 632fc199-4ca6-4c93-a231-07263d6284db
This commit is contained in:
DRC 2009-04-05 21:51:25 +00:00
Родитель e673a1764a
Коммит 720e161083
7 изменённых файлов: 1353 добавлений и 993 удалений

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@ -49,8 +49,14 @@ use_merged_upsample (j_decompress_ptr cinfo)
return FALSE;
/* jdmerge.c only supports YCC=>RGB color conversion */
if (cinfo->jpeg_color_space != JCS_YCbCr || cinfo->num_components != 3 ||
cinfo->out_color_space != JCS_RGB ||
cinfo->out_color_components != RGB_PIXELSIZE)
(cinfo->out_color_space != JCS_RGB &&
cinfo->out_color_space != JCS_EXT_RGB &&
cinfo->out_color_space != JCS_EXT_RGBX &&
cinfo->out_color_space != JCS_EXT_BGR &&
cinfo->out_color_space != JCS_EXT_BGRX &&
cinfo->out_color_space != JCS_EXT_XBGR &&
cinfo->out_color_space != JCS_EXT_XRGB) ||
cinfo->out_color_components != rgb_pixelsize[cinfo->out_color_space])
return FALSE;
/* and it only handles 2h1v or 2h2v sampling ratios */
if (cinfo->comp_info[0].h_samp_factor != 2 ||
@ -175,10 +181,14 @@ jpeg_calc_output_dimensions (j_decompress_ptr cinfo)
cinfo->out_color_components = 1;
break;
case JCS_RGB:
#if RGB_PIXELSIZE != 3
cinfo->out_color_components = RGB_PIXELSIZE;
case JCS_EXT_RGB:
case JCS_EXT_RGBX:
case JCS_EXT_BGR:
case JCS_EXT_BGRX:
case JCS_EXT_XBGR:
case JCS_EXT_XRGB:
cinfo->out_color_components = rgb_pixelsize[cinfo->out_color_space];
break;
#endif /* else share code with YCbCr */
case JCS_YCbCr:
cinfo->out_color_components = 3;
break;

74
jsimd.c
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@ -461,12 +461,45 @@ jsimd_h2v2_merged_upsample (j_decompress_ptr cinfo,
JSAMPARRAY output_buf)
{
#ifdef WITH_SIMD
void (*sse2fct)(JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY);
void (*mmxfct)(JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY);
switch(cinfo->out_color_space)
{
case JCS_EXT_RGB:
sse2fct=jsimd_h2v2_extrgb_merged_upsample_sse2;
mmxfct=jsimd_h2v2_extrgb_merged_upsample_mmx;
break;
case JCS_EXT_RGBX:
sse2fct=jsimd_h2v2_extrgbx_merged_upsample_sse2;
mmxfct=jsimd_h2v2_extrgbx_merged_upsample_mmx;
break;
case JCS_EXT_BGR:
sse2fct=jsimd_h2v2_extbgr_merged_upsample_sse2;
mmxfct=jsimd_h2v2_extbgr_merged_upsample_mmx;
break;
case JCS_EXT_BGRX:
sse2fct=jsimd_h2v2_extbgrx_merged_upsample_sse2;
mmxfct=jsimd_h2v2_extbgrx_merged_upsample_mmx;
break;
case JCS_EXT_XBGR:
sse2fct=jsimd_h2v2_extxbgr_merged_upsample_sse2;
mmxfct=jsimd_h2v2_extxbgr_merged_upsample_mmx;
break;
case JCS_EXT_XRGB:
sse2fct=jsimd_h2v2_extxrgb_merged_upsample_sse2;
mmxfct=jsimd_h2v2_extxrgb_merged_upsample_mmx;
break;
default:
sse2fct=jsimd_h2v2_merged_upsample_sse2;
mmxfct=jsimd_h2v2_merged_upsample_mmx;
break;
}
if ((simd_support & JSIMD_SSE2) &&
IS_ALIGNED_SSE(jconst_merged_upsample_sse2))
jsimd_h2v2_merged_upsample_sse2(cinfo->output_width, input_buf,
sse2fct(cinfo->output_width, input_buf,
in_row_group_ctr, output_buf);
else if (simd_support & JSIMD_MMX)
jsimd_h2v2_merged_upsample_mmx(cinfo->output_width, input_buf,
mmxfct(cinfo->output_width, input_buf,
in_row_group_ctr, output_buf);
#endif
}
@ -478,12 +511,45 @@ jsimd_h2v1_merged_upsample (j_decompress_ptr cinfo,
JSAMPARRAY output_buf)
{
#ifdef WITH_SIMD
void (*sse2fct)(JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY);
void (*mmxfct)(JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY);
switch(cinfo->out_color_space)
{
case JCS_EXT_RGB:
sse2fct=jsimd_h2v1_extrgb_merged_upsample_sse2;
mmxfct=jsimd_h2v1_extrgb_merged_upsample_mmx;
break;
case JCS_EXT_RGBX:
sse2fct=jsimd_h2v1_extrgbx_merged_upsample_sse2;
mmxfct=jsimd_h2v1_extrgbx_merged_upsample_mmx;
break;
case JCS_EXT_BGR:
sse2fct=jsimd_h2v1_extbgr_merged_upsample_sse2;
mmxfct=jsimd_h2v1_extbgr_merged_upsample_mmx;
break;
case JCS_EXT_BGRX:
sse2fct=jsimd_h2v1_extbgrx_merged_upsample_sse2;
mmxfct=jsimd_h2v1_extbgrx_merged_upsample_mmx;
break;
case JCS_EXT_XBGR:
sse2fct=jsimd_h2v1_extxbgr_merged_upsample_sse2;
mmxfct=jsimd_h2v1_extxbgr_merged_upsample_mmx;
break;
case JCS_EXT_XRGB:
sse2fct=jsimd_h2v1_extxrgb_merged_upsample_sse2;
mmxfct=jsimd_h2v1_extxrgb_merged_upsample_mmx;
break;
default:
sse2fct=jsimd_h2v1_merged_upsample_sse2;
mmxfct=jsimd_h2v1_merged_upsample_mmx;
break;
}
if ((simd_support & JSIMD_SSE2) &&
IS_ALIGNED_SSE(jconst_merged_upsample_sse2))
jsimd_h2v1_merged_upsample_sse2(cinfo->output_width, input_buf,
sse2fct(cinfo->output_width, input_buf,
in_row_group_ctr, output_buf);
else if (simd_support & JSIMD_MMX)
jsimd_h2v1_merged_upsample_mmx(cinfo->output_width, input_buf,
mmxfct(cinfo->output_width, input_buf,
in_row_group_ctr, output_buf);
#endif
}

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@ -2,6 +2,7 @@
; jdmermmx.asm - merged upsampling/color conversion (MMX)
;
; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
; Copyright 2009 D. R. Commander
;
; Based on
; x86 SIMD extension for IJG JPEG library
@ -17,7 +18,6 @@
; [TAB8]
%include "jsimdext.inc"
%include "jcolsamp.inc"
; --------------------------------------------------------------------------
@ -48,445 +48,76 @@ PD_ONEHALF times 2 dd 1 << (SCALEBITS-1)
alignz 16
; --------------------------------------------------------------------------
SECTION SEG_TEXT
BITS 32
;
; Upsample and color convert for the case of 2:1 horizontal and 1:1 vertical.
;
; GLOBAL(void)
; jsimd_h2v1_merged_upsample_mmx (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_MMWORD ; mmword wk[WK_NUM]
%define WK_NUM 3
%define gotptr wk(0)-SIZEOF_POINTER ; void * gotptr
align 16
global EXTN(jsimd_h2v1_merged_upsample_mmx)
EXTN(jsimd_h2v1_merged_upsample_mmx):
push ebp
mov eax,esp ; eax = original ebp
sub esp, byte 4
and esp, byte (-SIZEOF_MMWORD) ; align to 64 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)
movq mm6, MMWORD [ebx] ; mm6=Cb(01234567)
movq mm7, MMWORD [edx] ; mm7=Cr(01234567)
pxor mm1,mm1 ; mm1=(all 0's)
pcmpeqw mm3,mm3
psllw mm3,7 ; mm3={0xFF80 0xFF80 0xFF80 0xFF80}
movq mm4,mm6
punpckhbw mm6,mm1 ; mm6=Cb(4567)=CbH
punpcklbw mm4,mm1 ; mm4=Cb(0123)=CbL
movq mm0,mm7
punpckhbw mm7,mm1 ; mm7=Cr(4567)=CrH
punpcklbw mm0,mm1 ; mm0=Cr(0123)=CrL
paddw mm6,mm3
paddw mm4,mm3
paddw mm7,mm3
paddw mm0,mm3
; (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
movq mm5,mm6 ; mm5=CbH
movq mm2,mm4 ; mm2=CbL
paddw mm6,mm6 ; mm6=2*CbH
paddw mm4,mm4 ; mm4=2*CbL
movq mm1,mm7 ; mm1=CrH
movq mm3,mm0 ; mm3=CrL
paddw mm7,mm7 ; mm7=2*CrH
paddw mm0,mm0 ; mm0=2*CrL
pmulhw mm6,[GOTOFF(eax,PW_MF0228)] ; mm6=(2*CbH * -FIX(0.22800))
pmulhw mm4,[GOTOFF(eax,PW_MF0228)] ; mm4=(2*CbL * -FIX(0.22800))
pmulhw mm7,[GOTOFF(eax,PW_F0402)] ; mm7=(2*CrH * FIX(0.40200))
pmulhw mm0,[GOTOFF(eax,PW_F0402)] ; mm0=(2*CrL * FIX(0.40200))
paddw mm6,[GOTOFF(eax,PW_ONE)]
paddw mm4,[GOTOFF(eax,PW_ONE)]
psraw mm6,1 ; mm6=(CbH * -FIX(0.22800))
psraw mm4,1 ; mm4=(CbL * -FIX(0.22800))
paddw mm7,[GOTOFF(eax,PW_ONE)]
paddw mm0,[GOTOFF(eax,PW_ONE)]
psraw mm7,1 ; mm7=(CrH * FIX(0.40200))
psraw mm0,1 ; mm0=(CrL * FIX(0.40200))
paddw mm6,mm5
paddw mm4,mm2
paddw mm6,mm5 ; mm6=(CbH * FIX(1.77200))=(B-Y)H
paddw mm4,mm2 ; mm4=(CbL * FIX(1.77200))=(B-Y)L
paddw mm7,mm1 ; mm7=(CrH * FIX(1.40200))=(R-Y)H
paddw mm0,mm3 ; mm0=(CrL * FIX(1.40200))=(R-Y)L
movq MMWORD [wk(0)], mm6 ; wk(0)=(B-Y)H
movq MMWORD [wk(1)], mm7 ; wk(1)=(R-Y)H
movq mm6,mm5
movq mm7,mm2
punpcklwd mm5,mm1
punpckhwd mm6,mm1
pmaddwd mm5,[GOTOFF(eax,PW_MF0344_F0285)]
pmaddwd mm6,[GOTOFF(eax,PW_MF0344_F0285)]
punpcklwd mm2,mm3
punpckhwd mm7,mm3
pmaddwd mm2,[GOTOFF(eax,PW_MF0344_F0285)]
pmaddwd mm7,[GOTOFF(eax,PW_MF0344_F0285)]
paddd mm5,[GOTOFF(eax,PD_ONEHALF)]
paddd mm6,[GOTOFF(eax,PD_ONEHALF)]
psrad mm5,SCALEBITS
psrad mm6,SCALEBITS
paddd mm2,[GOTOFF(eax,PD_ONEHALF)]
paddd mm7,[GOTOFF(eax,PD_ONEHALF)]
psrad mm2,SCALEBITS
psrad mm7,SCALEBITS
packssdw mm5,mm6 ; mm5=CbH*-FIX(0.344)+CrH*FIX(0.285)
packssdw mm2,mm7 ; mm2=CbL*-FIX(0.344)+CrL*FIX(0.285)
psubw mm5,mm1 ; mm5=CbH*-FIX(0.344)+CrH*-FIX(0.714)=(G-Y)H
psubw mm2,mm3 ; mm2=CbL*-FIX(0.344)+CrL*-FIX(0.714)=(G-Y)L
movq MMWORD [wk(2)], mm5 ; wk(2)=(G-Y)H
mov al,2 ; Yctr
jmp short .Yloop_1st
alignx 16,7
.Yloop_2nd:
movq mm0, MMWORD [wk(1)] ; mm0=(R-Y)H
movq mm2, MMWORD [wk(2)] ; mm2=(G-Y)H
movq mm4, MMWORD [wk(0)] ; mm4=(B-Y)H
alignx 16,7
.Yloop_1st:
movq mm7, MMWORD [esi] ; mm7=Y(01234567)
pcmpeqw mm6,mm6
psrlw mm6,BYTE_BIT ; mm6={0xFF 0x00 0xFF 0x00 ..}
pand mm6,mm7 ; mm6=Y(0246)=YE
psrlw mm7,BYTE_BIT ; mm7=Y(1357)=YO
movq mm1,mm0 ; mm1=mm0=(R-Y)(L/H)
movq mm3,mm2 ; mm3=mm2=(G-Y)(L/H)
movq mm5,mm4 ; mm5=mm4=(B-Y)(L/H)
paddw mm0,mm6 ; mm0=((R-Y)+YE)=RE=(R0 R2 R4 R6)
paddw mm1,mm7 ; mm1=((R-Y)+YO)=RO=(R1 R3 R5 R7)
packuswb mm0,mm0 ; mm0=(R0 R2 R4 R6 ** ** ** **)
packuswb mm1,mm1 ; mm1=(R1 R3 R5 R7 ** ** ** **)
paddw mm2,mm6 ; mm2=((G-Y)+YE)=GE=(G0 G2 G4 G6)
paddw mm3,mm7 ; mm3=((G-Y)+YO)=GO=(G1 G3 G5 G7)
packuswb mm2,mm2 ; mm2=(G0 G2 G4 G6 ** ** ** **)
packuswb mm3,mm3 ; mm3=(G1 G3 G5 G7 ** ** ** **)
paddw mm4,mm6 ; mm4=((B-Y)+YE)=BE=(B0 B2 B4 B6)
paddw mm5,mm7 ; mm5=((B-Y)+YO)=BO=(B1 B3 B5 B7)
packuswb mm4,mm4 ; mm4=(B0 B2 B4 B6 ** ** ** **)
packuswb mm5,mm5 ; mm5=(B1 B3 B5 B7 ** ** ** **)
%if RGB_PIXELSIZE == 3 ; ---------------
; mmA=(00 02 04 06 ** ** ** **), mmB=(01 03 05 07 ** ** ** **)
; mmC=(10 12 14 16 ** ** ** **), mmD=(11 13 15 17 ** ** ** **)
; mmE=(20 22 24 26 ** ** ** **), mmF=(21 23 25 27 ** ** ** **)
; mmG=(** ** ** ** ** ** ** **), mmH=(** ** ** ** ** ** ** **)
punpcklbw mmA,mmC ; mmA=(00 10 02 12 04 14 06 16)
punpcklbw mmE,mmB ; mmE=(20 01 22 03 24 05 26 07)
punpcklbw mmD,mmF ; mmD=(11 21 13 23 15 25 17 27)
movq mmG,mmA
movq mmH,mmA
punpcklwd mmA,mmE ; mmA=(00 10 20 01 02 12 22 03)
punpckhwd mmG,mmE ; mmG=(04 14 24 05 06 16 26 07)
psrlq mmH,2*BYTE_BIT ; mmH=(02 12 04 14 06 16 -- --)
psrlq mmE,2*BYTE_BIT ; mmE=(22 03 24 05 26 07 -- --)
movq mmC,mmD
movq mmB,mmD
punpcklwd mmD,mmH ; mmD=(11 21 02 12 13 23 04 14)
punpckhwd mmC,mmH ; mmC=(15 25 06 16 17 27 -- --)
psrlq mmB,2*BYTE_BIT ; mmB=(13 23 15 25 17 27 -- --)
movq mmF,mmE
punpcklwd mmE,mmB ; mmE=(22 03 13 23 24 05 15 25)
punpckhwd mmF,mmB ; mmF=(26 07 17 27 -- -- -- --)
punpckldq mmA,mmD ; mmA=(00 10 20 01 11 21 02 12)
punpckldq mmE,mmG ; mmE=(22 03 13 23 04 14 24 05)
punpckldq mmC,mmF ; mmC=(15 25 06 16 26 07 17 27)
cmp ecx, byte SIZEOF_MMWORD
jb short .column_st16
movq MMWORD [edi+0*SIZEOF_MMWORD], mmA
movq MMWORD [edi+1*SIZEOF_MMWORD], mmE
movq MMWORD [edi+2*SIZEOF_MMWORD], mmC
sub ecx, byte SIZEOF_MMWORD
jz short .endcolumn
add edi, byte RGB_PIXELSIZE*SIZEOF_MMWORD ; outptr
add esi, byte SIZEOF_MMWORD ; inptr0
dec al ; Yctr
jnz near .Yloop_2nd
add ebx, byte SIZEOF_MMWORD ; inptr1
add edx, byte SIZEOF_MMWORD ; inptr2
jmp near .columnloop
alignx 16,7
.column_st16:
lea ecx, [ecx+ecx*2] ; imul ecx, RGB_PIXELSIZE
cmp ecx, byte 2*SIZEOF_MMWORD
jb short .column_st8
movq MMWORD [edi+0*SIZEOF_MMWORD], mmA
movq MMWORD [edi+1*SIZEOF_MMWORD], mmE
movq mmA,mmC
sub ecx, byte 2*SIZEOF_MMWORD
add edi, byte 2*SIZEOF_MMWORD
jmp short .column_st4
.column_st8:
cmp ecx, byte SIZEOF_MMWORD
jb short .column_st4
movq MMWORD [edi+0*SIZEOF_MMWORD], mmA
movq mmA,mmE
sub ecx, byte SIZEOF_MMWORD
add edi, byte SIZEOF_MMWORD
.column_st4:
movd eax,mmA
cmp ecx, byte SIZEOF_DWORD
jb short .column_st2
mov DWORD [edi+0*SIZEOF_DWORD], eax
psrlq mmA,DWORD_BIT
movd eax,mmA
sub ecx, byte SIZEOF_DWORD
add edi, byte SIZEOF_DWORD
.column_st2:
cmp ecx, byte SIZEOF_WORD
jb short .column_st1
mov WORD [edi+0*SIZEOF_WORD], ax
shr eax,WORD_BIT
sub ecx, byte SIZEOF_WORD
add edi, byte SIZEOF_WORD
.column_st1:
cmp ecx, byte SIZEOF_BYTE
jb short .endcolumn
mov BYTE [edi+0*SIZEOF_BYTE], al
%else ; RGB_PIXELSIZE == 4 ; -----------
%ifdef RGBX_FILLER_0XFF
pcmpeqb mm6,mm6 ; mm6=(X0 X2 X4 X6 ** ** ** **)
pcmpeqb mm7,mm7 ; mm7=(X1 X3 X5 X7 ** ** ** **)
%else
pxor mm6,mm6 ; mm6=(X0 X2 X4 X6 ** ** ** **)
pxor mm7,mm7 ; mm7=(X1 X3 X5 X7 ** ** ** **)
%endif
; mmA=(00 02 04 06 ** ** ** **), mmB=(01 03 05 07 ** ** ** **)
; mmC=(10 12 14 16 ** ** ** **), mmD=(11 13 15 17 ** ** ** **)
; mmE=(20 22 24 26 ** ** ** **), mmF=(21 23 25 27 ** ** ** **)
; mmG=(30 32 34 36 ** ** ** **), mmH=(31 33 35 37 ** ** ** **)
punpcklbw mmA,mmC ; mmA=(00 10 02 12 04 14 06 16)
punpcklbw mmE,mmG ; mmE=(20 30 22 32 24 34 26 36)
punpcklbw mmB,mmD ; mmB=(01 11 03 13 05 15 07 17)
punpcklbw mmF,mmH ; mmF=(21 31 23 33 25 35 27 37)
movq mmC,mmA
punpcklwd mmA,mmE ; mmA=(00 10 20 30 02 12 22 32)
punpckhwd mmC,mmE ; mmC=(04 14 24 34 06 16 26 36)
movq mmG,mmB
punpcklwd mmB,mmF ; mmB=(01 11 21 31 03 13 23 33)
punpckhwd mmG,mmF ; mmG=(05 15 25 35 07 17 27 37)
movq mmD,mmA
punpckldq mmA,mmB ; mmA=(00 10 20 30 01 11 21 31)
punpckhdq mmD,mmB ; mmD=(02 12 22 32 03 13 23 33)
movq mmH,mmC
punpckldq mmC,mmG ; mmC=(04 14 24 34 05 15 25 35)
punpckhdq mmH,mmG ; mmH=(06 16 26 36 07 17 27 37)
cmp ecx, byte SIZEOF_MMWORD
jb short .column_st16
movq MMWORD [edi+0*SIZEOF_MMWORD], mmA
movq MMWORD [edi+1*SIZEOF_MMWORD], mmD
movq MMWORD [edi+2*SIZEOF_MMWORD], mmC
movq MMWORD [edi+3*SIZEOF_MMWORD], mmH
sub ecx, byte SIZEOF_MMWORD
jz short .endcolumn
add edi, byte RGB_PIXELSIZE*SIZEOF_MMWORD ; outptr
add esi, byte SIZEOF_MMWORD ; inptr0
dec al ; Yctr
jnz near .Yloop_2nd
add ebx, byte SIZEOF_MMWORD ; inptr1
add edx, byte SIZEOF_MMWORD ; inptr2
jmp near .columnloop
alignx 16,7
.column_st16:
cmp ecx, byte SIZEOF_MMWORD/2
jb short .column_st8
movq MMWORD [edi+0*SIZEOF_MMWORD], mmA
movq MMWORD [edi+1*SIZEOF_MMWORD], mmD
movq mmA,mmC
movq mmD,mmH
sub ecx, byte SIZEOF_MMWORD/2
add edi, byte 2*SIZEOF_MMWORD
.column_st8:
cmp ecx, byte SIZEOF_MMWORD/4
jb short .column_st4
movq MMWORD [edi+0*SIZEOF_MMWORD], mmA
movq mmA,mmD
sub ecx, byte SIZEOF_MMWORD/4
add edi, byte 1*SIZEOF_MMWORD
.column_st4:
cmp ecx, byte SIZEOF_MMWORD/8
jb short .endcolumn
movd DWORD [edi+0*SIZEOF_DWORD], mmA
%endif ; RGB_PIXELSIZE ; ---------------
.endcolumn:
emms ; empty MMX state
.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_mmx (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_mmx)
EXTN(jsimd_h2v2_merged_upsample_mmx):
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, JDIMENSION [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_mmx)
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_mmx)
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
%include "jdmrgmmx.asm"
%undef RGB_RED
%undef RGB_GREEN
%undef RGB_BLUE
%undef RGB_PIXELSIZE
%define RGB_RED 0
%define RGB_GREEN 1
%define RGB_BLUE 2
%define RGB_PIXELSIZE 3
%define jsimd_h2v1_merged_upsample_mmx jsimd_h2v1_extrgb_merged_upsample_mmx
%define jsimd_h2v2_merged_upsample_mmx jsimd_h2v2_extrgb_merged_upsample_mmx
%include "jdmrgmmx.asm"
%undef RGB_RED
%undef RGB_GREEN
%undef RGB_BLUE
%undef RGB_PIXELSIZE
%define RGB_RED 0
%define RGB_GREEN 1
%define RGB_BLUE 2
%define RGB_PIXELSIZE 4
%define jsimd_h2v1_merged_upsample_mmx jsimd_h2v1_extrgbx_merged_upsample_mmx
%define jsimd_h2v2_merged_upsample_mmx jsimd_h2v2_extrgbx_merged_upsample_mmx
%include "jdmrgmmx.asm"
%undef RGB_RED
%undef RGB_GREEN
%undef RGB_BLUE
%undef RGB_PIXELSIZE
%define RGB_RED 2
%define RGB_GREEN 1
%define RGB_BLUE 0
%define RGB_PIXELSIZE 3
%define jsimd_h2v1_merged_upsample_mmx jsimd_h2v1_extbgr_merged_upsample_mmx
%define jsimd_h2v2_merged_upsample_mmx jsimd_h2v2_extbgr_merged_upsample_mmx
%include "jdmrgmmx.asm"
%undef RGB_RED
%undef RGB_GREEN
%undef RGB_BLUE
%undef RGB_PIXELSIZE
%define RGB_RED 2
%define RGB_GREEN 1
%define RGB_BLUE 0
%define RGB_PIXELSIZE 4
%define jsimd_h2v1_merged_upsample_mmx jsimd_h2v1_extbgrx_merged_upsample_mmx
%define jsimd_h2v2_merged_upsample_mmx jsimd_h2v2_extbgrx_merged_upsample_mmx
%include "jdmrgmmx.asm"
%undef RGB_RED
%undef RGB_GREEN
%undef RGB_BLUE
%undef RGB_PIXELSIZE
%define RGB_RED 3
%define RGB_GREEN 2
%define RGB_BLUE 1
%define RGB_PIXELSIZE 4
%define jsimd_h2v1_merged_upsample_mmx jsimd_h2v1_extxbgr_merged_upsample_mmx
%define jsimd_h2v2_merged_upsample_mmx jsimd_h2v2_extxbgr_merged_upsample_mmx
%include "jdmrgmmx.asm"
%undef RGB_RED
%undef RGB_GREEN
%undef RGB_BLUE
%undef RGB_PIXELSIZE
%define RGB_RED 1
%define RGB_GREEN 2
%define RGB_BLUE 3
%define RGB_PIXELSIZE 4
%define jsimd_h2v1_merged_upsample_mmx jsimd_h2v1_extxrgb_merged_upsample_mmx
%define jsimd_h2v2_merged_upsample_mmx jsimd_h2v2_extxrgb_merged_upsample_mmx
%include "jdmrgmmx.asm"

Просмотреть файл

@ -2,6 +2,7 @@
; jdmerss2.asm - merged upsampling/color conversion (SSE2)
;
; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
; Copyright 2009 D. R. Commander
;
; Based on
; x86 SIMD extension for IJG JPEG library
@ -17,7 +18,6 @@
; [TAB8]
%include "jsimdext.inc"
%include "jcolsamp.inc"
; --------------------------------------------------------------------------
@ -48,543 +48,76 @@ PD_ONEHALF times 4 dd 1 << (SCALEBITS-1)
alignz 16
; --------------------------------------------------------------------------
SECTION SEG_TEXT
BITS 32
;
; 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
add edi, byte RGB_PIXELSIZE*SIZEOF_XMMWORD ; outptr
jmp short .out0
.out1: ; --(unaligned)-----------------
pcmpeqb xmmH,xmmH ; xmmH=(all 1's)
maskmovdqu xmmA,xmmH ; movntdqu XMMWORD [edi], xmmA
add edi, byte SIZEOF_XMMWORD ; outptr
maskmovdqu xmmD,xmmH ; movntdqu XMMWORD [edi], xmmD
add edi, byte SIZEOF_XMMWORD ; outptr
maskmovdqu xmmF,xmmH ; movntdqu XMMWORD [edi], xmmF
add edi, byte SIZEOF_XMMWORD ; outptr
.out0:
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:
pcmpeqb xmmH,xmmH ; xmmH=(all 1's)
lea ecx, [ecx+ecx*2] ; imul ecx, RGB_PIXELSIZE
cmp ecx, byte 2*SIZEOF_XMMWORD
jb short .column_st16
maskmovdqu xmmA,xmmH ; movntdqu XMMWORD [edi], xmmA
add edi, byte SIZEOF_XMMWORD ; outptr
maskmovdqu xmmD,xmmH ; movntdqu XMMWORD [edi], xmmD
add edi, byte 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
maskmovdqu xmmA,xmmH ; movntdqu XMMWORD [edi], xmmA
add edi, byte SIZEOF_XMMWORD ; outptr
movdqa xmmA,xmmD
sub ecx, byte SIZEOF_XMMWORD
.column_st15:
mov eax,ecx
xor ecx, byte 0x0F
shl ecx, 2
movd xmmB,ecx
psrlq xmmH,4
pcmpeqb xmmE,xmmE
psrlq xmmH,xmmB
psrlq xmmE,xmmB
punpcklbw xmmE,xmmH
; ----------------
mov ecx,edi
and ecx, byte SIZEOF_XMMWORD-1
jz short .adj0
add eax,ecx
cmp eax, byte SIZEOF_XMMWORD
ja short .adj0
and edi, byte (-SIZEOF_XMMWORD) ; align to 16-byte boundary
shl ecx, 3 ; pslldq xmmA,ecx & pslldq xmmE,ecx
movdqa xmmG,xmmA
movdqa xmmC,xmmE
pslldq xmmA, SIZEOF_XMMWORD/2
pslldq xmmE, SIZEOF_XMMWORD/2
movd xmmD,ecx
sub ecx, byte (SIZEOF_XMMWORD/2)*BYTE_BIT
jb short .adj1
movd xmmF,ecx
psllq xmmA,xmmF
psllq xmmE,xmmF
jmp short .adj0
.adj1: neg ecx
movd xmmF,ecx
psrlq xmmA,xmmF
psrlq xmmE,xmmF
psllq xmmG,xmmD
psllq xmmC,xmmD
por xmmA,xmmG
por xmmE,xmmC
.adj0: ; ----------------
maskmovdqu xmmA,xmmE ; movntdqu XMMWORD [edi], xmmA
%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
add edi, byte RGB_PIXELSIZE*SIZEOF_XMMWORD ; outptr
jmp short .out0
.out1: ; --(unaligned)-----------------
pcmpeqb xmmE,xmmE ; xmmE=(all 1's)
maskmovdqu xmmA,xmmE ; movntdqu XMMWORD [edi], xmmA
add edi, byte SIZEOF_XMMWORD ; outptr
maskmovdqu xmmD,xmmE ; movntdqu XMMWORD [edi], xmmD
add edi, byte SIZEOF_XMMWORD ; outptr
maskmovdqu xmmC,xmmE ; movntdqu XMMWORD [edi], xmmC
add edi, byte SIZEOF_XMMWORD ; outptr
maskmovdqu xmmH,xmmE ; movntdqu XMMWORD [edi], xmmH
add edi, byte SIZEOF_XMMWORD ; outptr
.out0:
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:
pcmpeqb xmmE,xmmE ; xmmE=(all 1's)
cmp ecx, byte SIZEOF_XMMWORD/2
jb short .column_st16
maskmovdqu xmmA,xmmE ; movntdqu XMMWORD [edi], xmmA
add edi, byte SIZEOF_XMMWORD ; outptr
maskmovdqu xmmD,xmmE ; movntdqu XMMWORD [edi], xmmD
add edi, byte 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
maskmovdqu xmmA,xmmE ; movntdqu XMMWORD [edi], xmmA
add edi, byte SIZEOF_XMMWORD ; outptr
movdqa xmmA,xmmD
sub ecx, byte SIZEOF_XMMWORD/4
.column_st15:
cmp ecx, byte SIZEOF_XMMWORD/16
jb short .endcolumn
mov eax,ecx
xor ecx, byte 0x03
inc ecx
shl ecx, 4
movd xmmF,ecx
psrlq xmmE,xmmF
punpcklbw xmmE,xmmE
; ----------------
mov ecx,edi
and ecx, byte SIZEOF_XMMWORD-1
jz short .adj0
lea eax, [ecx+eax*4] ; RGB_PIXELSIZE
cmp eax, byte SIZEOF_XMMWORD
ja short .adj0
and edi, byte (-SIZEOF_XMMWORD) ; align to 16-byte boundary
shl ecx, 3 ; pslldq xmmA,ecx & pslldq xmmE,ecx
movdqa xmmB,xmmA
movdqa xmmG,xmmE
pslldq xmmA, SIZEOF_XMMWORD/2
pslldq xmmE, SIZEOF_XMMWORD/2
movd xmmC,ecx
sub ecx, byte (SIZEOF_XMMWORD/2)*BYTE_BIT
jb short .adj1
movd xmmH,ecx
psllq xmmA,xmmH
psllq xmmE,xmmH
jmp short .adj0
.adj1: neg ecx
movd xmmH,ecx
psrlq xmmA,xmmH
psrlq xmmE,xmmH
psllq xmmB,xmmC
psllq xmmG,xmmC
por xmmA,xmmB
por xmmE,xmmG
.adj0: ; ----------------
maskmovdqu xmmA,xmmE ; movntdqu XMMWORD [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
%include "jdmrgss2.asm"
%undef RGB_RED
%undef RGB_GREEN
%undef RGB_BLUE
%undef RGB_PIXELSIZE
%define RGB_RED 0
%define RGB_GREEN 1
%define RGB_BLUE 2
%define RGB_PIXELSIZE 3
%define jsimd_h2v1_merged_upsample_sse2 jsimd_h2v1_extrgb_merged_upsample_sse2
%define jsimd_h2v2_merged_upsample_sse2 jsimd_h2v2_extrgb_merged_upsample_sse2
%include "jdmrgss2.asm"
%undef RGB_RED
%undef RGB_GREEN
%undef RGB_BLUE
%undef RGB_PIXELSIZE
%define RGB_RED 0
%define RGB_GREEN 1
%define RGB_BLUE 2
%define RGB_PIXELSIZE 4
%define jsimd_h2v1_merged_upsample_sse2 jsimd_h2v1_extrgbx_merged_upsample_sse2
%define jsimd_h2v2_merged_upsample_sse2 jsimd_h2v2_extrgbx_merged_upsample_sse2
%include "jdmrgss2.asm"
%undef RGB_RED
%undef RGB_GREEN
%undef RGB_BLUE
%undef RGB_PIXELSIZE
%define RGB_RED 2
%define RGB_GREEN 1
%define RGB_BLUE 0
%define RGB_PIXELSIZE 3
%define jsimd_h2v1_merged_upsample_sse2 jsimd_h2v1_extbgr_merged_upsample_sse2
%define jsimd_h2v2_merged_upsample_sse2 jsimd_h2v2_extbgr_merged_upsample_sse2
%include "jdmrgss2.asm"
%undef RGB_RED
%undef RGB_GREEN
%undef RGB_BLUE
%undef RGB_PIXELSIZE
%define RGB_RED 2
%define RGB_GREEN 1
%define RGB_BLUE 0
%define RGB_PIXELSIZE 4
%define jsimd_h2v1_merged_upsample_sse2 jsimd_h2v1_extbgrx_merged_upsample_sse2
%define jsimd_h2v2_merged_upsample_sse2 jsimd_h2v2_extbgrx_merged_upsample_sse2
%include "jdmrgss2.asm"
%undef RGB_RED
%undef RGB_GREEN
%undef RGB_BLUE
%undef RGB_PIXELSIZE
%define RGB_RED 3
%define RGB_GREEN 2
%define RGB_BLUE 1
%define RGB_PIXELSIZE 4
%define jsimd_h2v1_merged_upsample_sse2 jsimd_h2v1_extxbgr_merged_upsample_sse2
%define jsimd_h2v2_merged_upsample_sse2 jsimd_h2v2_extxbgr_merged_upsample_sse2
%include "jdmrgss2.asm"
%undef RGB_RED
%undef RGB_GREEN
%undef RGB_BLUE
%undef RGB_PIXELSIZE
%define RGB_RED 1
%define RGB_GREEN 2
%define RGB_BLUE 3
%define RGB_PIXELSIZE 4
%define jsimd_h2v1_merged_upsample_sse2 jsimd_h2v1_extxrgb_merged_upsample_sse2
%define jsimd_h2v2_merged_upsample_sse2 jsimd_h2v2_extxrgb_merged_upsample_sse2
%include "jdmrgss2.asm"

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simd/jdmrgmmx.asm Normal file
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;
; jdmrgmmx.asm - merged upsampling/color conversion (MMX)
;
; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
;
; Based on
; 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"
; --------------------------------------------------------------------------
SECTION SEG_TEXT
BITS 32
;
; Upsample and color convert for the case of 2:1 horizontal and 1:1 vertical.
;
; GLOBAL(void)
; jsimd_h2v1_merged_upsample_mmx (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_MMWORD ; mmword wk[WK_NUM]
%define WK_NUM 3
%define gotptr wk(0)-SIZEOF_POINTER ; void * gotptr
align 16
global EXTN(jsimd_h2v1_merged_upsample_mmx)
EXTN(jsimd_h2v1_merged_upsample_mmx):
push ebp
mov eax,esp ; eax = original ebp
sub esp, byte 4
and esp, byte (-SIZEOF_MMWORD) ; align to 64 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)
movq mm6, MMWORD [ebx] ; mm6=Cb(01234567)
movq mm7, MMWORD [edx] ; mm7=Cr(01234567)
pxor mm1,mm1 ; mm1=(all 0's)
pcmpeqw mm3,mm3
psllw mm3,7 ; mm3={0xFF80 0xFF80 0xFF80 0xFF80}
movq mm4,mm6
punpckhbw mm6,mm1 ; mm6=Cb(4567)=CbH
punpcklbw mm4,mm1 ; mm4=Cb(0123)=CbL
movq mm0,mm7
punpckhbw mm7,mm1 ; mm7=Cr(4567)=CrH
punpcklbw mm0,mm1 ; mm0=Cr(0123)=CrL
paddw mm6,mm3
paddw mm4,mm3
paddw mm7,mm3
paddw mm0,mm3
; (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
movq mm5,mm6 ; mm5=CbH
movq mm2,mm4 ; mm2=CbL
paddw mm6,mm6 ; mm6=2*CbH
paddw mm4,mm4 ; mm4=2*CbL
movq mm1,mm7 ; mm1=CrH
movq mm3,mm0 ; mm3=CrL
paddw mm7,mm7 ; mm7=2*CrH
paddw mm0,mm0 ; mm0=2*CrL
pmulhw mm6,[GOTOFF(eax,PW_MF0228)] ; mm6=(2*CbH * -FIX(0.22800))
pmulhw mm4,[GOTOFF(eax,PW_MF0228)] ; mm4=(2*CbL * -FIX(0.22800))
pmulhw mm7,[GOTOFF(eax,PW_F0402)] ; mm7=(2*CrH * FIX(0.40200))
pmulhw mm0,[GOTOFF(eax,PW_F0402)] ; mm0=(2*CrL * FIX(0.40200))
paddw mm6,[GOTOFF(eax,PW_ONE)]
paddw mm4,[GOTOFF(eax,PW_ONE)]
psraw mm6,1 ; mm6=(CbH * -FIX(0.22800))
psraw mm4,1 ; mm4=(CbL * -FIX(0.22800))
paddw mm7,[GOTOFF(eax,PW_ONE)]
paddw mm0,[GOTOFF(eax,PW_ONE)]
psraw mm7,1 ; mm7=(CrH * FIX(0.40200))
psraw mm0,1 ; mm0=(CrL * FIX(0.40200))
paddw mm6,mm5
paddw mm4,mm2
paddw mm6,mm5 ; mm6=(CbH * FIX(1.77200))=(B-Y)H
paddw mm4,mm2 ; mm4=(CbL * FIX(1.77200))=(B-Y)L
paddw mm7,mm1 ; mm7=(CrH * FIX(1.40200))=(R-Y)H
paddw mm0,mm3 ; mm0=(CrL * FIX(1.40200))=(R-Y)L
movq MMWORD [wk(0)], mm6 ; wk(0)=(B-Y)H
movq MMWORD [wk(1)], mm7 ; wk(1)=(R-Y)H
movq mm6,mm5
movq mm7,mm2
punpcklwd mm5,mm1
punpckhwd mm6,mm1
pmaddwd mm5,[GOTOFF(eax,PW_MF0344_F0285)]
pmaddwd mm6,[GOTOFF(eax,PW_MF0344_F0285)]
punpcklwd mm2,mm3
punpckhwd mm7,mm3
pmaddwd mm2,[GOTOFF(eax,PW_MF0344_F0285)]
pmaddwd mm7,[GOTOFF(eax,PW_MF0344_F0285)]
paddd mm5,[GOTOFF(eax,PD_ONEHALF)]
paddd mm6,[GOTOFF(eax,PD_ONEHALF)]
psrad mm5,SCALEBITS
psrad mm6,SCALEBITS
paddd mm2,[GOTOFF(eax,PD_ONEHALF)]
paddd mm7,[GOTOFF(eax,PD_ONEHALF)]
psrad mm2,SCALEBITS
psrad mm7,SCALEBITS
packssdw mm5,mm6 ; mm5=CbH*-FIX(0.344)+CrH*FIX(0.285)
packssdw mm2,mm7 ; mm2=CbL*-FIX(0.344)+CrL*FIX(0.285)
psubw mm5,mm1 ; mm5=CbH*-FIX(0.344)+CrH*-FIX(0.714)=(G-Y)H
psubw mm2,mm3 ; mm2=CbL*-FIX(0.344)+CrL*-FIX(0.714)=(G-Y)L
movq MMWORD [wk(2)], mm5 ; wk(2)=(G-Y)H
mov al,2 ; Yctr
jmp short .Yloop_1st
alignx 16,7
.Yloop_2nd:
movq mm0, MMWORD [wk(1)] ; mm0=(R-Y)H
movq mm2, MMWORD [wk(2)] ; mm2=(G-Y)H
movq mm4, MMWORD [wk(0)] ; mm4=(B-Y)H
alignx 16,7
.Yloop_1st:
movq mm7, MMWORD [esi] ; mm7=Y(01234567)
pcmpeqw mm6,mm6
psrlw mm6,BYTE_BIT ; mm6={0xFF 0x00 0xFF 0x00 ..}
pand mm6,mm7 ; mm6=Y(0246)=YE
psrlw mm7,BYTE_BIT ; mm7=Y(1357)=YO
movq mm1,mm0 ; mm1=mm0=(R-Y)(L/H)
movq mm3,mm2 ; mm3=mm2=(G-Y)(L/H)
movq mm5,mm4 ; mm5=mm4=(B-Y)(L/H)
paddw mm0,mm6 ; mm0=((R-Y)+YE)=RE=(R0 R2 R4 R6)
paddw mm1,mm7 ; mm1=((R-Y)+YO)=RO=(R1 R3 R5 R7)
packuswb mm0,mm0 ; mm0=(R0 R2 R4 R6 ** ** ** **)
packuswb mm1,mm1 ; mm1=(R1 R3 R5 R7 ** ** ** **)
paddw mm2,mm6 ; mm2=((G-Y)+YE)=GE=(G0 G2 G4 G6)
paddw mm3,mm7 ; mm3=((G-Y)+YO)=GO=(G1 G3 G5 G7)
packuswb mm2,mm2 ; mm2=(G0 G2 G4 G6 ** ** ** **)
packuswb mm3,mm3 ; mm3=(G1 G3 G5 G7 ** ** ** **)
paddw mm4,mm6 ; mm4=((B-Y)+YE)=BE=(B0 B2 B4 B6)
paddw mm5,mm7 ; mm5=((B-Y)+YO)=BO=(B1 B3 B5 B7)
packuswb mm4,mm4 ; mm4=(B0 B2 B4 B6 ** ** ** **)
packuswb mm5,mm5 ; mm5=(B1 B3 B5 B7 ** ** ** **)
%if RGB_PIXELSIZE == 3 ; ---------------
; mmA=(00 02 04 06 ** ** ** **), mmB=(01 03 05 07 ** ** ** **)
; mmC=(10 12 14 16 ** ** ** **), mmD=(11 13 15 17 ** ** ** **)
; mmE=(20 22 24 26 ** ** ** **), mmF=(21 23 25 27 ** ** ** **)
; mmG=(** ** ** ** ** ** ** **), mmH=(** ** ** ** ** ** ** **)
punpcklbw mmA,mmC ; mmA=(00 10 02 12 04 14 06 16)
punpcklbw mmE,mmB ; mmE=(20 01 22 03 24 05 26 07)
punpcklbw mmD,mmF ; mmD=(11 21 13 23 15 25 17 27)
movq mmG,mmA
movq mmH,mmA
punpcklwd mmA,mmE ; mmA=(00 10 20 01 02 12 22 03)
punpckhwd mmG,mmE ; mmG=(04 14 24 05 06 16 26 07)
psrlq mmH,2*BYTE_BIT ; mmH=(02 12 04 14 06 16 -- --)
psrlq mmE,2*BYTE_BIT ; mmE=(22 03 24 05 26 07 -- --)
movq mmC,mmD
movq mmB,mmD
punpcklwd mmD,mmH ; mmD=(11 21 02 12 13 23 04 14)
punpckhwd mmC,mmH ; mmC=(15 25 06 16 17 27 -- --)
psrlq mmB,2*BYTE_BIT ; mmB=(13 23 15 25 17 27 -- --)
movq mmF,mmE
punpcklwd mmE,mmB ; mmE=(22 03 13 23 24 05 15 25)
punpckhwd mmF,mmB ; mmF=(26 07 17 27 -- -- -- --)
punpckldq mmA,mmD ; mmA=(00 10 20 01 11 21 02 12)
punpckldq mmE,mmG ; mmE=(22 03 13 23 04 14 24 05)
punpckldq mmC,mmF ; mmC=(15 25 06 16 26 07 17 27)
cmp ecx, byte SIZEOF_MMWORD
jb short .column_st16
movq MMWORD [edi+0*SIZEOF_MMWORD], mmA
movq MMWORD [edi+1*SIZEOF_MMWORD], mmE
movq MMWORD [edi+2*SIZEOF_MMWORD], mmC
sub ecx, byte SIZEOF_MMWORD
jz short .endcolumn
add edi, byte RGB_PIXELSIZE*SIZEOF_MMWORD ; outptr
add esi, byte SIZEOF_MMWORD ; inptr0
dec al ; Yctr
jnz near .Yloop_2nd
add ebx, byte SIZEOF_MMWORD ; inptr1
add edx, byte SIZEOF_MMWORD ; inptr2
jmp near .columnloop
alignx 16,7
.column_st16:
lea ecx, [ecx+ecx*2] ; imul ecx, RGB_PIXELSIZE
cmp ecx, byte 2*SIZEOF_MMWORD
jb short .column_st8
movq MMWORD [edi+0*SIZEOF_MMWORD], mmA
movq MMWORD [edi+1*SIZEOF_MMWORD], mmE
movq mmA,mmC
sub ecx, byte 2*SIZEOF_MMWORD
add edi, byte 2*SIZEOF_MMWORD
jmp short .column_st4
.column_st8:
cmp ecx, byte SIZEOF_MMWORD
jb short .column_st4
movq MMWORD [edi+0*SIZEOF_MMWORD], mmA
movq mmA,mmE
sub ecx, byte SIZEOF_MMWORD
add edi, byte SIZEOF_MMWORD
.column_st4:
movd eax,mmA
cmp ecx, byte SIZEOF_DWORD
jb short .column_st2
mov DWORD [edi+0*SIZEOF_DWORD], eax
psrlq mmA,DWORD_BIT
movd eax,mmA
sub ecx, byte SIZEOF_DWORD
add edi, byte SIZEOF_DWORD
.column_st2:
cmp ecx, byte SIZEOF_WORD
jb short .column_st1
mov WORD [edi+0*SIZEOF_WORD], ax
shr eax,WORD_BIT
sub ecx, byte SIZEOF_WORD
add edi, byte SIZEOF_WORD
.column_st1:
cmp ecx, byte SIZEOF_BYTE
jb short .endcolumn
mov BYTE [edi+0*SIZEOF_BYTE], al
%else ; RGB_PIXELSIZE == 4 ; -----------
%ifdef RGBX_FILLER_0XFF
pcmpeqb mm6,mm6 ; mm6=(X0 X2 X4 X6 ** ** ** **)
pcmpeqb mm7,mm7 ; mm7=(X1 X3 X5 X7 ** ** ** **)
%else
pxor mm6,mm6 ; mm6=(X0 X2 X4 X6 ** ** ** **)
pxor mm7,mm7 ; mm7=(X1 X3 X5 X7 ** ** ** **)
%endif
; mmA=(00 02 04 06 ** ** ** **), mmB=(01 03 05 07 ** ** ** **)
; mmC=(10 12 14 16 ** ** ** **), mmD=(11 13 15 17 ** ** ** **)
; mmE=(20 22 24 26 ** ** ** **), mmF=(21 23 25 27 ** ** ** **)
; mmG=(30 32 34 36 ** ** ** **), mmH=(31 33 35 37 ** ** ** **)
punpcklbw mmA,mmC ; mmA=(00 10 02 12 04 14 06 16)
punpcklbw mmE,mmG ; mmE=(20 30 22 32 24 34 26 36)
punpcklbw mmB,mmD ; mmB=(01 11 03 13 05 15 07 17)
punpcklbw mmF,mmH ; mmF=(21 31 23 33 25 35 27 37)
movq mmC,mmA
punpcklwd mmA,mmE ; mmA=(00 10 20 30 02 12 22 32)
punpckhwd mmC,mmE ; mmC=(04 14 24 34 06 16 26 36)
movq mmG,mmB
punpcklwd mmB,mmF ; mmB=(01 11 21 31 03 13 23 33)
punpckhwd mmG,mmF ; mmG=(05 15 25 35 07 17 27 37)
movq mmD,mmA
punpckldq mmA,mmB ; mmA=(00 10 20 30 01 11 21 31)
punpckhdq mmD,mmB ; mmD=(02 12 22 32 03 13 23 33)
movq mmH,mmC
punpckldq mmC,mmG ; mmC=(04 14 24 34 05 15 25 35)
punpckhdq mmH,mmG ; mmH=(06 16 26 36 07 17 27 37)
cmp ecx, byte SIZEOF_MMWORD
jb short .column_st16
movq MMWORD [edi+0*SIZEOF_MMWORD], mmA
movq MMWORD [edi+1*SIZEOF_MMWORD], mmD
movq MMWORD [edi+2*SIZEOF_MMWORD], mmC
movq MMWORD [edi+3*SIZEOF_MMWORD], mmH
sub ecx, byte SIZEOF_MMWORD
jz short .endcolumn
add edi, byte RGB_PIXELSIZE*SIZEOF_MMWORD ; outptr
add esi, byte SIZEOF_MMWORD ; inptr0
dec al ; Yctr
jnz near .Yloop_2nd
add ebx, byte SIZEOF_MMWORD ; inptr1
add edx, byte SIZEOF_MMWORD ; inptr2
jmp near .columnloop
alignx 16,7
.column_st16:
cmp ecx, byte SIZEOF_MMWORD/2
jb short .column_st8
movq MMWORD [edi+0*SIZEOF_MMWORD], mmA
movq MMWORD [edi+1*SIZEOF_MMWORD], mmD
movq mmA,mmC
movq mmD,mmH
sub ecx, byte SIZEOF_MMWORD/2
add edi, byte 2*SIZEOF_MMWORD
.column_st8:
cmp ecx, byte SIZEOF_MMWORD/4
jb short .column_st4
movq MMWORD [edi+0*SIZEOF_MMWORD], mmA
movq mmA,mmD
sub ecx, byte SIZEOF_MMWORD/4
add edi, byte 1*SIZEOF_MMWORD
.column_st4:
cmp ecx, byte SIZEOF_MMWORD/8
jb short .endcolumn
movd DWORD [edi+0*SIZEOF_DWORD], mmA
%endif ; RGB_PIXELSIZE ; ---------------
.endcolumn:
emms ; empty MMX state
.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_mmx (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_mmx)
EXTN(jsimd_h2v2_merged_upsample_mmx):
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, JDIMENSION [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_mmx)
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_mmx)
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

561
simd/jdmrgss2.asm Normal file
Просмотреть файл

@ -0,0 +1,561 @@
;
; jdmrgss2.asm - merged upsampling/color conversion (SSE2)
;
; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
;
; Based on
; 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"
; --------------------------------------------------------------------------
SECTION SEG_TEXT
BITS 32
;
; 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
add edi, byte RGB_PIXELSIZE*SIZEOF_XMMWORD ; outptr
jmp short .out0
.out1: ; --(unaligned)-----------------
pcmpeqb xmmH,xmmH ; xmmH=(all 1's)
maskmovdqu xmmA,xmmH ; movntdqu XMMWORD [edi], xmmA
add edi, byte SIZEOF_XMMWORD ; outptr
maskmovdqu xmmD,xmmH ; movntdqu XMMWORD [edi], xmmD
add edi, byte SIZEOF_XMMWORD ; outptr
maskmovdqu xmmF,xmmH ; movntdqu XMMWORD [edi], xmmF
add edi, byte SIZEOF_XMMWORD ; outptr
.out0:
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:
pcmpeqb xmmH,xmmH ; xmmH=(all 1's)
lea ecx, [ecx+ecx*2] ; imul ecx, RGB_PIXELSIZE
cmp ecx, byte 2*SIZEOF_XMMWORD
jb short .column_st16
maskmovdqu xmmA,xmmH ; movntdqu XMMWORD [edi], xmmA
add edi, byte SIZEOF_XMMWORD ; outptr
maskmovdqu xmmD,xmmH ; movntdqu XMMWORD [edi], xmmD
add edi, byte 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
maskmovdqu xmmA,xmmH ; movntdqu XMMWORD [edi], xmmA
add edi, byte SIZEOF_XMMWORD ; outptr
movdqa xmmA,xmmD
sub ecx, byte SIZEOF_XMMWORD
.column_st15:
mov eax,ecx
xor ecx, byte 0x0F
shl ecx, 2
movd xmmB,ecx
psrlq xmmH,4
pcmpeqb xmmE,xmmE
psrlq xmmH,xmmB
psrlq xmmE,xmmB
punpcklbw xmmE,xmmH
; ----------------
mov ecx,edi
and ecx, byte SIZEOF_XMMWORD-1
jz short .adj0
add eax,ecx
cmp eax, byte SIZEOF_XMMWORD
ja short .adj0
and edi, byte (-SIZEOF_XMMWORD) ; align to 16-byte boundary
shl ecx, 3 ; pslldq xmmA,ecx & pslldq xmmE,ecx
movdqa xmmG,xmmA
movdqa xmmC,xmmE
pslldq xmmA, SIZEOF_XMMWORD/2
pslldq xmmE, SIZEOF_XMMWORD/2
movd xmmD,ecx
sub ecx, byte (SIZEOF_XMMWORD/2)*BYTE_BIT
jb short .adj1
movd xmmF,ecx
psllq xmmA,xmmF
psllq xmmE,xmmF
jmp short .adj0
.adj1: neg ecx
movd xmmF,ecx
psrlq xmmA,xmmF
psrlq xmmE,xmmF
psllq xmmG,xmmD
psllq xmmC,xmmD
por xmmA,xmmG
por xmmE,xmmC
.adj0: ; ----------------
maskmovdqu xmmA,xmmE ; movntdqu XMMWORD [edi], xmmA
%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
add edi, byte RGB_PIXELSIZE*SIZEOF_XMMWORD ; outptr
jmp short .out0
.out1: ; --(unaligned)-----------------
pcmpeqb xmmE,xmmE ; xmmE=(all 1's)
maskmovdqu xmmA,xmmE ; movntdqu XMMWORD [edi], xmmA
add edi, byte SIZEOF_XMMWORD ; outptr
maskmovdqu xmmD,xmmE ; movntdqu XMMWORD [edi], xmmD
add edi, byte SIZEOF_XMMWORD ; outptr
maskmovdqu xmmC,xmmE ; movntdqu XMMWORD [edi], xmmC
add edi, byte SIZEOF_XMMWORD ; outptr
maskmovdqu xmmH,xmmE ; movntdqu XMMWORD [edi], xmmH
add edi, byte SIZEOF_XMMWORD ; outptr
.out0:
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:
pcmpeqb xmmE,xmmE ; xmmE=(all 1's)
cmp ecx, byte SIZEOF_XMMWORD/2
jb short .column_st16
maskmovdqu xmmA,xmmE ; movntdqu XMMWORD [edi], xmmA
add edi, byte SIZEOF_XMMWORD ; outptr
maskmovdqu xmmD,xmmE ; movntdqu XMMWORD [edi], xmmD
add edi, byte 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
maskmovdqu xmmA,xmmE ; movntdqu XMMWORD [edi], xmmA
add edi, byte SIZEOF_XMMWORD ; outptr
movdqa xmmA,xmmD
sub ecx, byte SIZEOF_XMMWORD/4
.column_st15:
cmp ecx, byte SIZEOF_XMMWORD/16
jb short .endcolumn
mov eax,ecx
xor ecx, byte 0x03
inc ecx
shl ecx, 4
movd xmmF,ecx
psrlq xmmE,xmmF
punpcklbw xmmE,xmmE
; ----------------
mov ecx,edi
and ecx, byte SIZEOF_XMMWORD-1
jz short .adj0
lea eax, [ecx+eax*4] ; RGB_PIXELSIZE
cmp eax, byte SIZEOF_XMMWORD
ja short .adj0
and edi, byte (-SIZEOF_XMMWORD) ; align to 16-byte boundary
shl ecx, 3 ; pslldq xmmA,ecx & pslldq xmmE,ecx
movdqa xmmB,xmmA
movdqa xmmG,xmmE
pslldq xmmA, SIZEOF_XMMWORD/2
pslldq xmmE, SIZEOF_XMMWORD/2
movd xmmC,ecx
sub ecx, byte (SIZEOF_XMMWORD/2)*BYTE_BIT
jb short .adj1
movd xmmH,ecx
psllq xmmA,xmmH
psllq xmmE,xmmH
jmp short .adj0
.adj1: neg ecx
movd xmmH,ecx
psrlq xmmA,xmmH
psrlq xmmE,xmmH
psllq xmmB,xmmC
psllq xmmG,xmmC
por xmmA,xmmB
por xmmE,xmmG
.adj0: ; ----------------
maskmovdqu xmmA,xmmE ; movntdqu XMMWORD [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

Просмотреть файл

@ -59,7 +59,19 @@
#define jsimd_h2v2_fancy_upsample_mmx jSFUpH2V2M
#define jsimd_h2v1_fancy_upsample_mmx jSFUpH2V1M
#define jsimd_h2v2_merged_upsample_mmx jSMUpH2V2M
#define jsimd_h2v2_extrgb_merged_upsample_mmx jSMUpH2V2EXTRGBM
#define jsimd_h2v2_extrgbx_merged_upsample_mmx jSMUpH2V2EXTRGBXM
#define jsimd_h2v2_extbgr_merged_upsample_mmx jSMUpH2V2EXTBGRM
#define jsimd_h2v2_extbgrx_merged_upsample_mmx jSMUpH2V2EXTBGRXM
#define jsimd_h2v2_extxbgr_merged_upsample_mmx jSMUpH2V2EXTXBGRM
#define jsimd_h2v2_extxrgb_merged_upsample_mmx jSMUpH2V2EXTXRGBM
#define jsimd_h2v1_merged_upsample_mmx jSMUpH2V1M
#define jsimd_h2v1_extrgb_merged_upsample_mmx jSMUpH2V1EXTRGBM
#define jsimd_h2v1_extrgbx_merged_upsample_mmx jSMUpH2V1EXTRGBXM
#define jsimd_h2v1_extbgr_merged_upsample_mmx jSMUpH2V1EXTBGRM
#define jsimd_h2v1_extbgrx_merged_upsample_mmx jSMUpH2V1EXTBGRXM
#define jsimd_h2v1_extxbgr_merged_upsample_mmx jSMUpH2V1EXTXBGRM
#define jsimd_h2v1_extxrgb_merged_upsample_mmx jSMUpH2V1EXTXRGBM
#define jsimd_h2v2_upsample_sse2 jSUpH2V2S2
#define jsimd_h2v1_upsample_sse2 jSUpH2V1S2
#define jconst_fancy_upsample_sse2 jSCFUpS2
@ -67,7 +79,19 @@
#define jsimd_h2v1_fancy_upsample_sse2 jSFUpH2V1S2
#define jconst_merged_upsample_sse2 jSCMUpS2
#define jsimd_h2v2_merged_upsample_sse2 jSMUpH2V2S2
#define jsimd_h2v2_extrgb_merged_upsample_sse2 jSMUpH2V2EXTRGBS2
#define jsimd_h2v2_extrgbx_merged_upsample_sse2 jSMUpH2V2EXTRGBXS2
#define jsimd_h2v2_extbgr_merged_upsample_sse2 jSMUpH2V2EXTBGRS2
#define jsimd_h2v2_extbgrx_merged_upsample_sse2 jSMUpH2V2EXTBGRXS2
#define jsimd_h2v2_extxbgr_merged_upsample_sse2 jSMUpH2V2EXTXBGRS2
#define jsimd_h2v2_extxrgb_merged_upsample_sse2 jSMUpH2V2EXTXRGBS2
#define jsimd_h2v1_merged_upsample_sse2 jSMUpH2V1S2
#define jsimd_h2v1_extrgb_merged_upsample_sse2 jSMUpH2V1EXTRGBS2
#define jsimd_h2v1_extrgbx_merged_upsample_sse2 jSMUpH2V1EXTRGBXS2
#define jsimd_h2v1_extbgr_merged_upsample_sse2 jSMUpH2V1EXTBGRS2
#define jsimd_h2v1_extbgrx_merged_upsample_sse2 jSMUpH2V1EXTBGRXS2
#define jsimd_h2v1_extxbgr_merged_upsample_sse2 jSMUpH2V1EXTXBGRS2
#define jsimd_h2v1_extxrgb_merged_upsample_sse2 jSMUpH2V1EXTXRGBS2
#define jsimd_convsamp_mmx jSConvM
#define jsimd_convsamp_sse2 jSConvS2
#define jsimd_convsamp_float_3dnow jSConvF3D
@ -264,9 +288,45 @@ EXTERN(void) jsimd_h2v1_fancy_upsample_mmx
EXTERN(void) jsimd_h2v2_merged_upsample_mmx
JPP((JDIMENSION output_width, JSAMPIMAGE input_buf,
JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf));
EXTERN(void) jsimd_h2v2_extrgb_merged_upsample_mmx
JPP((JDIMENSION output_width, JSAMPIMAGE input_buf,
JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf));
EXTERN(void) jsimd_h2v2_extrgbx_merged_upsample_mmx
JPP((JDIMENSION output_width, JSAMPIMAGE input_buf,
JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf));
EXTERN(void) jsimd_h2v2_extbgr_merged_upsample_mmx
JPP((JDIMENSION output_width, JSAMPIMAGE input_buf,
JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf));
EXTERN(void) jsimd_h2v2_extbgrx_merged_upsample_mmx
JPP((JDIMENSION output_width, JSAMPIMAGE input_buf,
JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf));
EXTERN(void) jsimd_h2v2_extxbgr_merged_upsample_mmx
JPP((JDIMENSION output_width, JSAMPIMAGE input_buf,
JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf));
EXTERN(void) jsimd_h2v2_extxrgb_merged_upsample_mmx
JPP((JDIMENSION output_width, JSAMPIMAGE input_buf,
JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf));
EXTERN(void) jsimd_h2v1_merged_upsample_mmx
JPP((JDIMENSION output_width, JSAMPIMAGE input_buf,
JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf));
EXTERN(void) jsimd_h2v1_extrgb_merged_upsample_mmx
JPP((JDIMENSION output_width, JSAMPIMAGE input_buf,
JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf));
EXTERN(void) jsimd_h2v1_extrgbx_merged_upsample_mmx
JPP((JDIMENSION output_width, JSAMPIMAGE input_buf,
JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf));
EXTERN(void) jsimd_h2v1_extbgr_merged_upsample_mmx
JPP((JDIMENSION output_width, JSAMPIMAGE input_buf,
JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf));
EXTERN(void) jsimd_h2v1_extbgrx_merged_upsample_mmx
JPP((JDIMENSION output_width, JSAMPIMAGE input_buf,
JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf));
EXTERN(void) jsimd_h2v1_extxbgr_merged_upsample_mmx
JPP((JDIMENSION output_width, JSAMPIMAGE input_buf,
JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf));
EXTERN(void) jsimd_h2v1_extxrgb_merged_upsample_mmx
JPP((JDIMENSION output_width, JSAMPIMAGE input_buf,
JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf));
EXTERN(void) jsimd_h2v2_upsample_sse2
JPP((int max_v_samp_factor, JDIMENSION output_width,
@ -287,9 +347,45 @@ extern const int jconst_merged_upsample_sse2[];
EXTERN(void) jsimd_h2v2_merged_upsample_sse2
JPP((JDIMENSION output_width, JSAMPIMAGE input_buf,
JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf));
EXTERN(void) jsimd_h2v2_extrgb_merged_upsample_sse2
JPP((JDIMENSION output_width, JSAMPIMAGE input_buf,
JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf));
EXTERN(void) jsimd_h2v2_extrgbx_merged_upsample_sse2
JPP((JDIMENSION output_width, JSAMPIMAGE input_buf,
JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf));
EXTERN(void) jsimd_h2v2_extbgr_merged_upsample_sse2
JPP((JDIMENSION output_width, JSAMPIMAGE input_buf,
JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf));
EXTERN(void) jsimd_h2v2_extbgrx_merged_upsample_sse2
JPP((JDIMENSION output_width, JSAMPIMAGE input_buf,
JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf));
EXTERN(void) jsimd_h2v2_extxbgr_merged_upsample_sse2
JPP((JDIMENSION output_width, JSAMPIMAGE input_buf,
JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf));
EXTERN(void) jsimd_h2v2_extxrgb_merged_upsample_sse2
JPP((JDIMENSION output_width, JSAMPIMAGE input_buf,
JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf));
EXTERN(void) jsimd_h2v1_merged_upsample_sse2
JPP((JDIMENSION output_width, JSAMPIMAGE input_buf,
JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf));
EXTERN(void) jsimd_h2v1_extrgb_merged_upsample_sse2
JPP((JDIMENSION output_width, JSAMPIMAGE input_buf,
JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf));
EXTERN(void) jsimd_h2v1_extrgbx_merged_upsample_sse2
JPP((JDIMENSION output_width, JSAMPIMAGE input_buf,
JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf));
EXTERN(void) jsimd_h2v1_extbgr_merged_upsample_sse2
JPP((JDIMENSION output_width, JSAMPIMAGE input_buf,
JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf));
EXTERN(void) jsimd_h2v1_extbgrx_merged_upsample_sse2
JPP((JDIMENSION output_width, JSAMPIMAGE input_buf,
JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf));
EXTERN(void) jsimd_h2v1_extxbgr_merged_upsample_sse2
JPP((JDIMENSION output_width, JSAMPIMAGE input_buf,
JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf));
EXTERN(void) jsimd_h2v1_extxrgb_merged_upsample_sse2
JPP((JDIMENSION output_width, JSAMPIMAGE input_buf,
JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf));
/* SIMD Sample Conversion */
EXTERN(void) jsimd_convsamp_mmx JPP((JSAMPARRAY sample_data,