Implement new colorspaces to allow directly compressing from/decompressing to RGB/RGBX/BGR/BGRX/XBGR/XRGB without conversion
git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@3744 3789f03b-4d11-0410-bbf8-ca57d06f2519
diff --git a/common/jpeg/simd/jdcolmmx.asm b/common/jpeg/simd/jdcolmmx.asm
index 742c9ce..f34387b 100644
--- a/common/jpeg/simd/jdcolmmx.asm
+++ b/common/jpeg/simd/jdcolmmx.asm
@@ -2,6 +2,7 @@
; jdcolmmx.asm - colorspace 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
@@ -48,386 +49,70 @@
alignz 16
; --------------------------------------------------------------------------
- SECTION SEG_TEXT
- BITS 32
-;
-; Convert some rows of samples to the output colorspace.
-;
-; GLOBAL(void)
-; jsimd_ycc_rgb_convert_mmx (JDIMENSION out_width,
-; JSAMPIMAGE input_buf, JDIMENSION input_row,
-; JSAMPARRAY output_buf, int num_rows)
-;
+%include "jdclrmmx.asm"
-%define out_width(b) (b)+8 ; JDIMENSION out_width
-%define input_buf(b) (b)+12 ; JSAMPIMAGE input_buf
-%define input_row(b) (b)+16 ; JDIMENSION input_row
-%define output_buf(b) (b)+20 ; JSAMPARRAY output_buf
-%define num_rows(b) (b)+24 ; int num_rows
+%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_ycc_rgb_convert_mmx jsimd_ycc_extrgb_convert_mmx
+%include "jdclrmmx.asm"
-%define original_ebp ebp+0
-%define wk(i) ebp-(WK_NUM-(i))*SIZEOF_MMWORD ; mmword wk[WK_NUM]
-%define WK_NUM 2
-%define gotptr wk(0)-SIZEOF_POINTER ; void * gotptr
+%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_ycc_rgb_convert_mmx jsimd_ycc_extrgbx_convert_mmx
+%include "jdclrmmx.asm"
- align 16
- global EXTN(jsimd_ycc_rgb_convert_mmx)
+%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_ycc_rgb_convert_mmx jsimd_ycc_extbgr_convert_mmx
+%include "jdclrmmx.asm"
-EXTN(jsimd_ycc_rgb_convert_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
+%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_ycc_rgb_convert_mmx jsimd_ycc_extbgrx_convert_mmx
+%include "jdclrmmx.asm"
- get_GOT ebx ; get GOT address
- movpic POINTER [gotptr], ebx ; save GOT address
+%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_ycc_rgb_convert_mmx jsimd_ycc_extxbgr_convert_mmx
+%include "jdclrmmx.asm"
- mov ecx, JDIMENSION [out_width(eax)] ; num_cols
- test ecx,ecx
- jz near .return
-
- push ecx
-
- mov edi, JSAMPIMAGE [input_buf(eax)]
- mov ecx, JDIMENSION [input_row(eax)]
- mov esi, JSAMPARRAY [edi+0*SIZEOF_JSAMPARRAY]
- mov ebx, JSAMPARRAY [edi+1*SIZEOF_JSAMPARRAY]
- mov edx, JSAMPARRAY [edi+2*SIZEOF_JSAMPARRAY]
- lea esi, [esi+ecx*SIZEOF_JSAMPROW]
- lea ebx, [ebx+ecx*SIZEOF_JSAMPROW]
- lea edx, [edx+ecx*SIZEOF_JSAMPROW]
-
- pop ecx
-
- mov edi, JSAMPARRAY [output_buf(eax)]
- mov eax, INT [num_rows(eax)]
- test eax,eax
- jle near .return
- alignx 16,7
-.rowloop:
- push eax
- push edi
- push edx
- push ebx
- push esi
- push ecx ; col
-
- mov esi, JSAMPROW [esi] ; inptr0
- mov ebx, JSAMPROW [ebx] ; inptr1
- mov edx, JSAMPROW [edx] ; inptr2
- mov edi, JSAMPROW [edi] ; outptr
- movpic eax, POINTER [gotptr] ; load GOT address (eax)
- alignx 16,7
-.columnloop:
-
- movq mm5, MMWORD [ebx] ; mm5=Cb(01234567)
- movq mm1, MMWORD [edx] ; mm1=Cr(01234567)
-
- pcmpeqw mm4,mm4
- pcmpeqw mm7,mm7
- psrlw mm4,BYTE_BIT
- psllw mm7,7 ; mm7={0xFF80 0xFF80 0xFF80 0xFF80}
- movq mm0,mm4 ; mm0=mm4={0xFF 0x00 0xFF 0x00 ..}
-
- pand mm4,mm5 ; mm4=Cb(0246)=CbE
- psrlw mm5,BYTE_BIT ; mm5=Cb(1357)=CbO
- pand mm0,mm1 ; mm0=Cr(0246)=CrE
- psrlw mm1,BYTE_BIT ; mm1=Cr(1357)=CrO
-
- paddw mm4,mm7
- paddw mm5,mm7
- paddw mm0,mm7
- paddw mm1,mm7
-
- ; (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 mm2,mm4 ; mm2=CbE
- movq mm3,mm5 ; mm3=CbO
- paddw mm4,mm4 ; mm4=2*CbE
- paddw mm5,mm5 ; mm5=2*CbO
- movq mm6,mm0 ; mm6=CrE
- movq mm7,mm1 ; mm7=CrO
- paddw mm0,mm0 ; mm0=2*CrE
- paddw mm1,mm1 ; mm1=2*CrO
-
- pmulhw mm4,[GOTOFF(eax,PW_MF0228)] ; mm4=(2*CbE * -FIX(0.22800))
- pmulhw mm5,[GOTOFF(eax,PW_MF0228)] ; mm5=(2*CbO * -FIX(0.22800))
- pmulhw mm0,[GOTOFF(eax,PW_F0402)] ; mm0=(2*CrE * FIX(0.40200))
- pmulhw mm1,[GOTOFF(eax,PW_F0402)] ; mm1=(2*CrO * FIX(0.40200))
-
- paddw mm4,[GOTOFF(eax,PW_ONE)]
- paddw mm5,[GOTOFF(eax,PW_ONE)]
- psraw mm4,1 ; mm4=(CbE * -FIX(0.22800))
- psraw mm5,1 ; mm5=(CbO * -FIX(0.22800))
- paddw mm0,[GOTOFF(eax,PW_ONE)]
- paddw mm1,[GOTOFF(eax,PW_ONE)]
- psraw mm0,1 ; mm0=(CrE * FIX(0.40200))
- psraw mm1,1 ; mm1=(CrO * FIX(0.40200))
-
- paddw mm4,mm2
- paddw mm5,mm3
- paddw mm4,mm2 ; mm4=(CbE * FIX(1.77200))=(B-Y)E
- paddw mm5,mm3 ; mm5=(CbO * FIX(1.77200))=(B-Y)O
- paddw mm0,mm6 ; mm0=(CrE * FIX(1.40200))=(R-Y)E
- paddw mm1,mm7 ; mm1=(CrO * FIX(1.40200))=(R-Y)O
-
- movq MMWORD [wk(0)], mm4 ; wk(0)=(B-Y)E
- movq MMWORD [wk(1)], mm5 ; wk(1)=(B-Y)O
-
- movq mm4,mm2
- movq mm5,mm3
- punpcklwd mm2,mm6
- punpckhwd mm4,mm6
- pmaddwd mm2,[GOTOFF(eax,PW_MF0344_F0285)]
- pmaddwd mm4,[GOTOFF(eax,PW_MF0344_F0285)]
- punpcklwd mm3,mm7
- punpckhwd mm5,mm7
- pmaddwd mm3,[GOTOFF(eax,PW_MF0344_F0285)]
- pmaddwd mm5,[GOTOFF(eax,PW_MF0344_F0285)]
-
- paddd mm2,[GOTOFF(eax,PD_ONEHALF)]
- paddd mm4,[GOTOFF(eax,PD_ONEHALF)]
- psrad mm2,SCALEBITS
- psrad mm4,SCALEBITS
- paddd mm3,[GOTOFF(eax,PD_ONEHALF)]
- paddd mm5,[GOTOFF(eax,PD_ONEHALF)]
- psrad mm3,SCALEBITS
- psrad mm5,SCALEBITS
-
- packssdw mm2,mm4 ; mm2=CbE*-FIX(0.344)+CrE*FIX(0.285)
- packssdw mm3,mm5 ; mm3=CbO*-FIX(0.344)+CrO*FIX(0.285)
- psubw mm2,mm6 ; mm2=CbE*-FIX(0.344)+CrE*-FIX(0.714)=(G-Y)E
- psubw mm3,mm7 ; mm3=CbO*-FIX(0.344)+CrO*-FIX(0.714)=(G-Y)O
-
- movq mm5, MMWORD [esi] ; mm5=Y(01234567)
-
- pcmpeqw mm4,mm4
- psrlw mm4,BYTE_BIT ; mm4={0xFF 0x00 0xFF 0x00 ..}
- pand mm4,mm5 ; mm4=Y(0246)=YE
- psrlw mm5,BYTE_BIT ; mm5=Y(1357)=YO
-
- paddw mm0,mm4 ; mm0=((R-Y)E+YE)=RE=(R0 R2 R4 R6)
- paddw mm1,mm5 ; mm1=((R-Y)O+YO)=RO=(R1 R3 R5 R7)
- packuswb mm0,mm0 ; mm0=(R0 R2 R4 R6 ** ** ** **)
- packuswb mm1,mm1 ; mm1=(R1 R3 R5 R7 ** ** ** **)
-
- paddw mm2,mm4 ; mm2=((G-Y)E+YE)=GE=(G0 G2 G4 G6)
- paddw mm3,mm5 ; mm3=((G-Y)O+YO)=GO=(G1 G3 G5 G7)
- packuswb mm2,mm2 ; mm2=(G0 G2 G4 G6 ** ** ** **)
- packuswb mm3,mm3 ; mm3=(G1 G3 G5 G7 ** ** ** **)
-
- paddw mm4, MMWORD [wk(0)] ; mm4=(YE+(B-Y)E)=BE=(B0 B2 B4 B6)
- paddw mm5, MMWORD [wk(1)] ; mm5=(YO+(B-Y)O)=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 .nextrow
-
- add esi, byte SIZEOF_MMWORD ; inptr0
- add ebx, byte SIZEOF_MMWORD ; inptr1
- add edx, byte SIZEOF_MMWORD ; inptr2
- add edi, byte RGB_PIXELSIZE*SIZEOF_MMWORD ; outptr
- 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 .nextrow
- 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 .nextrow
-
- add esi, byte SIZEOF_MMWORD ; inptr0
- add ebx, byte SIZEOF_MMWORD ; inptr1
- add edx, byte SIZEOF_MMWORD ; inptr2
- add edi, byte RGB_PIXELSIZE*SIZEOF_MMWORD ; outptr
- 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 .nextrow
- movd DWORD [edi+0*SIZEOF_DWORD], mmA
-
-%endif ; RGB_PIXELSIZE ; ---------------
-
- alignx 16,7
-
-.nextrow:
- pop ecx
- pop esi
- pop ebx
- pop edx
- pop edi
- pop eax
-
- add esi, byte SIZEOF_JSAMPROW
- add ebx, byte SIZEOF_JSAMPROW
- add edx, byte SIZEOF_JSAMPROW
- add edi, byte SIZEOF_JSAMPROW ; output_buf
- dec eax ; num_rows
- jg near .rowloop
-
- 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
-
+%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_ycc_rgb_convert_mmx jsimd_ycc_extxrgb_convert_mmx
+%include "jdclrmmx.asm"