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media/libjpeg/simd/jcclrss2.asm@6474c204b198 (annotated)

media/libjpeg/simd/jcclrss2.asm

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0 1 ;
michael@0 2 ; jcclrss2.asm - colorspace conversion (SSE2)
michael@0 3 ;
michael@0 4 ; x86 SIMD extension for IJG JPEG library
michael@0 5 ; Copyright (C) 1999-2006, MIYASAKA Masaru.
michael@0 6 ; For conditions of distribution and use, see copyright notice in jsimdext.inc
michael@0 7 ;
michael@0 8 ; This file should be assembled with NASM (Netwide Assembler),
michael@0 9 ; can *not* be assembled with Microsoft's MASM or any compatible
michael@0 10 ; assembler (including Borland's Turbo Assembler).
michael@0 11 ; NASM is available from http://nasm.sourceforge.net/ or
michael@0 12 ; http://sourceforge.net/project/showfiles.php?group_id=6208
michael@0 13 ;
michael@0 14 ; [TAB8]
michael@0 15
michael@0 16 %include "jcolsamp.inc"
michael@0 17
michael@0 18 ; --------------------------------------------------------------------------
michael@0 19 ;
michael@0 20 ; Convert some rows of samples to the output colorspace.
michael@0 21 ;
michael@0 22 ; GLOBAL(void)
michael@0 23 ; jsimd_rgb_ycc_convert_sse2 (JDIMENSION img_width,
michael@0 24 ; JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
michael@0 25 ; JDIMENSION output_row, int num_rows);
michael@0 26 ;
michael@0 27
michael@0 28 %define img_width(b) (b)+8 ; JDIMENSION img_width
michael@0 29 %define input_buf(b) (b)+12 ; JSAMPARRAY input_buf
michael@0 30 %define output_buf(b) (b)+16 ; JSAMPIMAGE output_buf
michael@0 31 %define output_row(b) (b)+20 ; JDIMENSION output_row
michael@0 32 %define num_rows(b) (b)+24 ; int num_rows
michael@0 33
michael@0 34 %define original_ebp ebp+0
michael@0 35 %define wk(i) ebp-(WK_NUM-(i))*SIZEOF_XMMWORD ; xmmword wk[WK_NUM]
michael@0 36 %define WK_NUM 8
michael@0 37 %define gotptr wk(0)-SIZEOF_POINTER ; void * gotptr
michael@0 38
michael@0 39 align 16
michael@0 40
michael@0 41 global EXTN(jsimd_rgb_ycc_convert_sse2)
michael@0 42
michael@0 43 EXTN(jsimd_rgb_ycc_convert_sse2):
michael@0 44 push ebp
michael@0 45 mov eax,esp ; eax = original ebp
michael@0 46 sub esp, byte 4
michael@0 47 and esp, byte (-SIZEOF_XMMWORD) ; align to 128 bits
michael@0 48 mov [esp],eax
michael@0 49 mov ebp,esp ; ebp = aligned ebp
michael@0 50 lea esp, [wk(0)]
michael@0 51 pushpic eax ; make a room for GOT address
michael@0 52 push ebx
michael@0 53 ; push ecx ; need not be preserved
michael@0 54 ; push edx ; need not be preserved
michael@0 55 push esi
michael@0 56 push edi
michael@0 57
michael@0 58 get_GOT ebx ; get GOT address
michael@0 59 movpic POINTER [gotptr], ebx ; save GOT address
michael@0 60
michael@0 61 mov ecx, JDIMENSION [img_width(eax)]
michael@0 62 test ecx,ecx
michael@0 63 jz near .return
michael@0 64
michael@0 65 push ecx
michael@0 66
michael@0 67 mov esi, JSAMPIMAGE [output_buf(eax)]
michael@0 68 mov ecx, JDIMENSION [output_row(eax)]
michael@0 69 mov edi, JSAMPARRAY [esi+0*SIZEOF_JSAMPARRAY]
michael@0 70 mov ebx, JSAMPARRAY [esi+1*SIZEOF_JSAMPARRAY]
michael@0 71 mov edx, JSAMPARRAY [esi+2*SIZEOF_JSAMPARRAY]
michael@0 72 lea edi, [edi+ecx*SIZEOF_JSAMPROW]
michael@0 73 lea ebx, [ebx+ecx*SIZEOF_JSAMPROW]
michael@0 74 lea edx, [edx+ecx*SIZEOF_JSAMPROW]
michael@0 75
michael@0 76 pop ecx
michael@0 77
michael@0 78 mov esi, JSAMPARRAY [input_buf(eax)]
michael@0 79 mov eax, INT [num_rows(eax)]
michael@0 80 test eax,eax
michael@0 81 jle near .return
michael@0 82 alignx 16,7
michael@0 83 .rowloop:
michael@0 84 pushpic eax
michael@0 85 push edx
michael@0 86 push ebx
michael@0 87 push edi
michael@0 88 push esi
michael@0 89 push ecx ; col
michael@0 90
michael@0 91 mov esi, JSAMPROW [esi] ; inptr
michael@0 92 mov edi, JSAMPROW [edi] ; outptr0
michael@0 93 mov ebx, JSAMPROW [ebx] ; outptr1
michael@0 94 mov edx, JSAMPROW [edx] ; outptr2
michael@0 95 movpic eax, POINTER [gotptr] ; load GOT address (eax)
michael@0 96
michael@0 97 cmp ecx, byte SIZEOF_XMMWORD
michael@0 98 jae near .columnloop
michael@0 99 alignx 16,7
michael@0 100
michael@0 101 %if RGB_PIXELSIZE == 3 ; ---------------
michael@0 102
michael@0 103 .column_ld1:
michael@0 104 push eax
michael@0 105 push edx
michael@0 106 lea ecx,[ecx+ecx*2] ; imul ecx,RGB_PIXELSIZE
michael@0 107 test cl, SIZEOF_BYTE
michael@0 108 jz short .column_ld2
michael@0 109 sub ecx, byte SIZEOF_BYTE
michael@0 110 movzx eax, BYTE [esi+ecx]
michael@0 111 .column_ld2:
michael@0 112 test cl, SIZEOF_WORD
michael@0 113 jz short .column_ld4
michael@0 114 sub ecx, byte SIZEOF_WORD
michael@0 115 movzx edx, WORD [esi+ecx]
michael@0 116 shl eax, WORD_BIT
michael@0 117 or eax,edx
michael@0 118 .column_ld4:
michael@0 119 movd xmmA,eax
michael@0 120 pop edx
michael@0 121 pop eax
michael@0 122 test cl, SIZEOF_DWORD
michael@0 123 jz short .column_ld8
michael@0 124 sub ecx, byte SIZEOF_DWORD
michael@0 125 movd xmmF, XMM_DWORD [esi+ecx]
michael@0 126 pslldq xmmA, SIZEOF_DWORD
michael@0 127 por xmmA,xmmF
michael@0 128 .column_ld8:
michael@0 129 test cl, SIZEOF_MMWORD
michael@0 130 jz short .column_ld16
michael@0 131 sub ecx, byte SIZEOF_MMWORD
michael@0 132 movq xmmB, XMM_MMWORD [esi+ecx]
michael@0 133 pslldq xmmA, SIZEOF_MMWORD
michael@0 134 por xmmA,xmmB
michael@0 135 .column_ld16:
michael@0 136 test cl, SIZEOF_XMMWORD
michael@0 137 jz short .column_ld32
michael@0 138 movdqa xmmF,xmmA
michael@0 139 movdqu xmmA, XMMWORD [esi+0*SIZEOF_XMMWORD]
michael@0 140 mov ecx, SIZEOF_XMMWORD
michael@0 141 jmp short .rgb_ycc_cnv
michael@0 142 .column_ld32:
michael@0 143 test cl, 2*SIZEOF_XMMWORD
michael@0 144 mov ecx, SIZEOF_XMMWORD
michael@0 145 jz short .rgb_ycc_cnv
michael@0 146 movdqa xmmB,xmmA
michael@0 147 movdqu xmmA, XMMWORD [esi+0*SIZEOF_XMMWORD]
michael@0 148 movdqu xmmF, XMMWORD [esi+1*SIZEOF_XMMWORD]
michael@0 149 jmp short .rgb_ycc_cnv
michael@0 150 alignx 16,7
michael@0 151
michael@0 152 .columnloop:
michael@0 153 movdqu xmmA, XMMWORD [esi+0*SIZEOF_XMMWORD]
michael@0 154 movdqu xmmF, XMMWORD [esi+1*SIZEOF_XMMWORD]
michael@0 155 movdqu xmmB, XMMWORD [esi+2*SIZEOF_XMMWORD]
michael@0 156
michael@0 157 .rgb_ycc_cnv:
michael@0 158 ; xmmA=(00 10 20 01 11 21 02 12 22 03 13 23 04 14 24 05)
michael@0 159 ; xmmF=(15 25 06 16 26 07 17 27 08 18 28 09 19 29 0A 1A)
michael@0 160 ; xmmB=(2A 0B 1B 2B 0C 1C 2C 0D 1D 2D 0E 1E 2E 0F 1F 2F)
michael@0 161
michael@0 162 movdqa xmmG,xmmA
michael@0 163 pslldq xmmA,8 ; xmmA=(-- -- -- -- -- -- -- -- 00 10 20 01 11 21 02 12)
michael@0 164 psrldq xmmG,8 ; xmmG=(22 03 13 23 04 14 24 05 -- -- -- -- -- -- -- --)
michael@0 165
michael@0 166 punpckhbw xmmA,xmmF ; xmmA=(00 08 10 18 20 28 01 09 11 19 21 29 02 0A 12 1A)
michael@0 167 pslldq xmmF,8 ; xmmF=(-- -- -- -- -- -- -- -- 15 25 06 16 26 07 17 27)
michael@0 168
michael@0 169 punpcklbw xmmG,xmmB ; xmmG=(22 2A 03 0B 13 1B 23 2B 04 0C 14 1C 24 2C 05 0D)
michael@0 170 punpckhbw xmmF,xmmB ; xmmF=(15 1D 25 2D 06 0E 16 1E 26 2E 07 0F 17 1F 27 2F)
michael@0 171
michael@0 172 movdqa xmmD,xmmA
michael@0 173 pslldq xmmA,8 ; xmmA=(-- -- -- -- -- -- -- -- 00 08 10 18 20 28 01 09)
michael@0 174 psrldq xmmD,8 ; xmmD=(11 19 21 29 02 0A 12 1A -- -- -- -- -- -- -- --)
michael@0 175
michael@0 176 punpckhbw xmmA,xmmG ; xmmA=(00 04 08 0C 10 14 18 1C 20 24 28 2C 01 05 09 0D)
michael@0 177 pslldq xmmG,8 ; xmmG=(-- -- -- -- -- -- -- -- 22 2A 03 0B 13 1B 23 2B)
michael@0 178
michael@0 179 punpcklbw xmmD,xmmF ; xmmD=(11 15 19 1D 21 25 29 2D 02 06 0A 0E 12 16 1A 1E)
michael@0 180 punpckhbw xmmG,xmmF ; xmmG=(22 26 2A 2E 03 07 0B 0F 13 17 1B 1F 23 27 2B 2F)
michael@0 181
michael@0 182 movdqa xmmE,xmmA
michael@0 183 pslldq xmmA,8 ; xmmA=(-- -- -- -- -- -- -- -- 00 04 08 0C 10 14 18 1C)
michael@0 184 psrldq xmmE,8 ; xmmE=(20 24 28 2C 01 05 09 0D -- -- -- -- -- -- -- --)
michael@0 185
michael@0 186 punpckhbw xmmA,xmmD ; xmmA=(00 02 04 06 08 0A 0C 0E 10 12 14 16 18 1A 1C 1E)
michael@0 187 pslldq xmmD,8 ; xmmD=(-- -- -- -- -- -- -- -- 11 15 19 1D 21 25 29 2D)
michael@0 188
michael@0 189 punpcklbw xmmE,xmmG ; xmmE=(20 22 24 26 28 2A 2C 2E 01 03 05 07 09 0B 0D 0F)
michael@0 190 punpckhbw xmmD,xmmG ; xmmD=(11 13 15 17 19 1B 1D 1F 21 23 25 27 29 2B 2D 2F)
michael@0 191
michael@0 192 pxor xmmH,xmmH
michael@0 193
michael@0 194 movdqa xmmC,xmmA
michael@0 195 punpcklbw xmmA,xmmH ; xmmA=(00 02 04 06 08 0A 0C 0E)
michael@0 196 punpckhbw xmmC,xmmH ; xmmC=(10 12 14 16 18 1A 1C 1E)
michael@0 197
michael@0 198 movdqa xmmB,xmmE
michael@0 199 punpcklbw xmmE,xmmH ; xmmE=(20 22 24 26 28 2A 2C 2E)
michael@0 200 punpckhbw xmmB,xmmH ; xmmB=(01 03 05 07 09 0B 0D 0F)
michael@0 201
michael@0 202 movdqa xmmF,xmmD
michael@0 203 punpcklbw xmmD,xmmH ; xmmD=(11 13 15 17 19 1B 1D 1F)
michael@0 204 punpckhbw xmmF,xmmH ; xmmF=(21 23 25 27 29 2B 2D 2F)
michael@0 205
michael@0 206 %else ; RGB_PIXELSIZE == 4 ; -----------
michael@0 207
michael@0 208 .column_ld1:
michael@0 209 test cl, SIZEOF_XMMWORD/16
michael@0 210 jz short .column_ld2
michael@0 211 sub ecx, byte SIZEOF_XMMWORD/16
michael@0 212 movd xmmA, XMM_DWORD [esi+ecx*RGB_PIXELSIZE]
michael@0 213 .column_ld2:
michael@0 214 test cl, SIZEOF_XMMWORD/8
michael@0 215 jz short .column_ld4
michael@0 216 sub ecx, byte SIZEOF_XMMWORD/8
michael@0 217 movq xmmE, XMM_MMWORD [esi+ecx*RGB_PIXELSIZE]
michael@0 218 pslldq xmmA, SIZEOF_MMWORD
michael@0 219 por xmmA,xmmE
michael@0 220 .column_ld4:
michael@0 221 test cl, SIZEOF_XMMWORD/4
michael@0 222 jz short .column_ld8
michael@0 223 sub ecx, byte SIZEOF_XMMWORD/4
michael@0 224 movdqa xmmE,xmmA
michael@0 225 movdqu xmmA, XMMWORD [esi+ecx*RGB_PIXELSIZE]
michael@0 226 .column_ld8:
michael@0 227 test cl, SIZEOF_XMMWORD/2
michael@0 228 mov ecx, SIZEOF_XMMWORD
michael@0 229 jz short .rgb_ycc_cnv
michael@0 230 movdqa xmmF,xmmA
michael@0 231 movdqa xmmH,xmmE
michael@0 232 movdqu xmmA, XMMWORD [esi+0*SIZEOF_XMMWORD]
michael@0 233 movdqu xmmE, XMMWORD [esi+1*SIZEOF_XMMWORD]
michael@0 234 jmp short .rgb_ycc_cnv
michael@0 235 alignx 16,7
michael@0 236
michael@0 237 .columnloop:
michael@0 238 movdqu xmmA, XMMWORD [esi+0*SIZEOF_XMMWORD]
michael@0 239 movdqu xmmE, XMMWORD [esi+1*SIZEOF_XMMWORD]
michael@0 240 movdqu xmmF, XMMWORD [esi+2*SIZEOF_XMMWORD]
michael@0 241 movdqu xmmH, XMMWORD [esi+3*SIZEOF_XMMWORD]
michael@0 242
michael@0 243 .rgb_ycc_cnv:
michael@0 244 ; xmmA=(00 10 20 30 01 11 21 31 02 12 22 32 03 13 23 33)
michael@0 245 ; xmmE=(04 14 24 34 05 15 25 35 06 16 26 36 07 17 27 37)
michael@0 246 ; xmmF=(08 18 28 38 09 19 29 39 0A 1A 2A 3A 0B 1B 2B 3B)
michael@0 247 ; xmmH=(0C 1C 2C 3C 0D 1D 2D 3D 0E 1E 2E 3E 0F 1F 2F 3F)
michael@0 248
michael@0 249 movdqa xmmD,xmmA
michael@0 250 punpcklbw xmmA,xmmE ; xmmA=(00 04 10 14 20 24 30 34 01 05 11 15 21 25 31 35)
michael@0 251 punpckhbw xmmD,xmmE ; xmmD=(02 06 12 16 22 26 32 36 03 07 13 17 23 27 33 37)
michael@0 252
michael@0 253 movdqa xmmC,xmmF
michael@0 254 punpcklbw xmmF,xmmH ; xmmF=(08 0C 18 1C 28 2C 38 3C 09 0D 19 1D 29 2D 39 3D)
michael@0 255 punpckhbw xmmC,xmmH ; xmmC=(0A 0E 1A 1E 2A 2E 3A 3E 0B 0F 1B 1F 2B 2F 3B 3F)
michael@0 256
michael@0 257 movdqa xmmB,xmmA
michael@0 258 punpcklwd xmmA,xmmF ; xmmA=(00 04 08 0C 10 14 18 1C 20 24 28 2C 30 34 38 3C)
michael@0 259 punpckhwd xmmB,xmmF ; xmmB=(01 05 09 0D 11 15 19 1D 21 25 29 2D 31 35 39 3D)
michael@0 260
michael@0 261 movdqa xmmG,xmmD
michael@0 262 punpcklwd xmmD,xmmC ; xmmD=(02 06 0A 0E 12 16 1A 1E 22 26 2A 2E 32 36 3A 3E)
michael@0 263 punpckhwd xmmG,xmmC ; xmmG=(03 07 0B 0F 13 17 1B 1F 23 27 2B 2F 33 37 3B 3F)
michael@0 264
michael@0 265 movdqa xmmE,xmmA
michael@0 266 punpcklbw xmmA,xmmD ; xmmA=(00 02 04 06 08 0A 0C 0E 10 12 14 16 18 1A 1C 1E)
michael@0 267 punpckhbw xmmE,xmmD ; xmmE=(20 22 24 26 28 2A 2C 2E 30 32 34 36 38 3A 3C 3E)
michael@0 268
michael@0 269 movdqa xmmH,xmmB
michael@0 270 punpcklbw xmmB,xmmG ; xmmB=(01 03 05 07 09 0B 0D 0F 11 13 15 17 19 1B 1D 1F)
michael@0 271 punpckhbw xmmH,xmmG ; xmmH=(21 23 25 27 29 2B 2D 2F 31 33 35 37 39 3B 3D 3F)
michael@0 272
michael@0 273 pxor xmmF,xmmF
michael@0 274
michael@0 275 movdqa xmmC,xmmA
michael@0 276 punpcklbw xmmA,xmmF ; xmmA=(00 02 04 06 08 0A 0C 0E)
michael@0 277 punpckhbw xmmC,xmmF ; xmmC=(10 12 14 16 18 1A 1C 1E)
michael@0 278
michael@0 279 movdqa xmmD,xmmB
michael@0 280 punpcklbw xmmB,xmmF ; xmmB=(01 03 05 07 09 0B 0D 0F)
michael@0 281 punpckhbw xmmD,xmmF ; xmmD=(11 13 15 17 19 1B 1D 1F)
michael@0 282
michael@0 283 movdqa xmmG,xmmE
michael@0 284 punpcklbw xmmE,xmmF ; xmmE=(20 22 24 26 28 2A 2C 2E)
michael@0 285 punpckhbw xmmG,xmmF ; xmmG=(30 32 34 36 38 3A 3C 3E)
michael@0 286
michael@0 287 punpcklbw xmmF,xmmH
michael@0 288 punpckhbw xmmH,xmmH
michael@0 289 psrlw xmmF,BYTE_BIT ; xmmF=(21 23 25 27 29 2B 2D 2F)
michael@0 290 psrlw xmmH,BYTE_BIT ; xmmH=(31 33 35 37 39 3B 3D 3F)
michael@0 291
michael@0 292 %endif ; RGB_PIXELSIZE ; ---------------
michael@0 293
michael@0 294 ; xmm0=R(02468ACE)=RE, xmm2=G(02468ACE)=GE, xmm4=B(02468ACE)=BE
michael@0 295 ; xmm1=R(13579BDF)=RO, xmm3=G(13579BDF)=GO, xmm5=B(13579BDF)=BO
michael@0 296
michael@0 297 ; (Original)
michael@0 298 ; Y = 0.29900 * R + 0.58700 * G + 0.11400 * B
michael@0 299 ; Cb = -0.16874 * R - 0.33126 * G + 0.50000 * B + CENTERJSAMPLE
michael@0 300 ; Cr = 0.50000 * R - 0.41869 * G - 0.08131 * B + CENTERJSAMPLE
michael@0 301 ;
michael@0 302 ; (This implementation)
michael@0 303 ; Y = 0.29900 * R + 0.33700 * G + 0.11400 * B + 0.25000 * G
michael@0 304 ; Cb = -0.16874 * R - 0.33126 * G + 0.50000 * B + CENTERJSAMPLE
michael@0 305 ; Cr = 0.50000 * R - 0.41869 * G - 0.08131 * B + CENTERJSAMPLE
michael@0 306
michael@0 307 movdqa XMMWORD [wk(0)], xmm0 ; wk(0)=RE
michael@0 308 movdqa XMMWORD [wk(1)], xmm1 ; wk(1)=RO
michael@0 309 movdqa XMMWORD [wk(2)], xmm4 ; wk(2)=BE
michael@0 310 movdqa XMMWORD [wk(3)], xmm5 ; wk(3)=BO
michael@0 311
michael@0 312 movdqa xmm6,xmm1
michael@0 313 punpcklwd xmm1,xmm3
michael@0 314 punpckhwd xmm6,xmm3
michael@0 315 movdqa xmm7,xmm1
michael@0 316 movdqa xmm4,xmm6
michael@0 317 pmaddwd xmm1,[GOTOFF(eax,PW_F0299_F0337)] ; xmm1=ROL*FIX(0.299)+GOL*FIX(0.337)
michael@0 318 pmaddwd xmm6,[GOTOFF(eax,PW_F0299_F0337)] ; xmm6=ROH*FIX(0.299)+GOH*FIX(0.337)
michael@0 319 pmaddwd xmm7,[GOTOFF(eax,PW_MF016_MF033)] ; xmm7=ROL*-FIX(0.168)+GOL*-FIX(0.331)
michael@0 320 pmaddwd xmm4,[GOTOFF(eax,PW_MF016_MF033)] ; xmm4=ROH*-FIX(0.168)+GOH*-FIX(0.331)
michael@0 321
michael@0 322 movdqa XMMWORD [wk(4)], xmm1 ; wk(4)=ROL*FIX(0.299)+GOL*FIX(0.337)
michael@0 323 movdqa XMMWORD [wk(5)], xmm6 ; wk(5)=ROH*FIX(0.299)+GOH*FIX(0.337)
michael@0 324
michael@0 325 pxor xmm1,xmm1
michael@0 326 pxor xmm6,xmm6
michael@0 327 punpcklwd xmm1,xmm5 ; xmm1=BOL
michael@0 328 punpckhwd xmm6,xmm5 ; xmm6=BOH
michael@0 329 psrld xmm1,1 ; xmm1=BOL*FIX(0.500)
michael@0 330 psrld xmm6,1 ; xmm6=BOH*FIX(0.500)
michael@0 331
michael@0 332 movdqa xmm5,[GOTOFF(eax,PD_ONEHALFM1_CJ)] ; xmm5=[PD_ONEHALFM1_CJ]
michael@0 333
michael@0 334 paddd xmm7,xmm1
michael@0 335 paddd xmm4,xmm6
michael@0 336 paddd xmm7,xmm5
michael@0 337 paddd xmm4,xmm5
michael@0 338 psrld xmm7,SCALEBITS ; xmm7=CbOL
michael@0 339 psrld xmm4,SCALEBITS ; xmm4=CbOH
michael@0 340 packssdw xmm7,xmm4 ; xmm7=CbO
michael@0 341
michael@0 342 movdqa xmm1, XMMWORD [wk(2)] ; xmm1=BE
michael@0 343
michael@0 344 movdqa xmm6,xmm0
michael@0 345 punpcklwd xmm0,xmm2
michael@0 346 punpckhwd xmm6,xmm2
michael@0 347 movdqa xmm5,xmm0
michael@0 348 movdqa xmm4,xmm6
michael@0 349 pmaddwd xmm0,[GOTOFF(eax,PW_F0299_F0337)] ; xmm0=REL*FIX(0.299)+GEL*FIX(0.337)
michael@0 350 pmaddwd xmm6,[GOTOFF(eax,PW_F0299_F0337)] ; xmm6=REH*FIX(0.299)+GEH*FIX(0.337)
michael@0 351 pmaddwd xmm5,[GOTOFF(eax,PW_MF016_MF033)] ; xmm5=REL*-FIX(0.168)+GEL*-FIX(0.331)
michael@0 352 pmaddwd xmm4,[GOTOFF(eax,PW_MF016_MF033)] ; xmm4=REH*-FIX(0.168)+GEH*-FIX(0.331)
michael@0 353
michael@0 354 movdqa XMMWORD [wk(6)], xmm0 ; wk(6)=REL*FIX(0.299)+GEL*FIX(0.337)
michael@0 355 movdqa XMMWORD [wk(7)], xmm6 ; wk(7)=REH*FIX(0.299)+GEH*FIX(0.337)
michael@0 356
michael@0 357 pxor xmm0,xmm0
michael@0 358 pxor xmm6,xmm6
michael@0 359 punpcklwd xmm0,xmm1 ; xmm0=BEL
michael@0 360 punpckhwd xmm6,xmm1 ; xmm6=BEH
michael@0 361 psrld xmm0,1 ; xmm0=BEL*FIX(0.500)
michael@0 362 psrld xmm6,1 ; xmm6=BEH*FIX(0.500)
michael@0 363
michael@0 364 movdqa xmm1,[GOTOFF(eax,PD_ONEHALFM1_CJ)] ; xmm1=[PD_ONEHALFM1_CJ]
michael@0 365
michael@0 366 paddd xmm5,xmm0
michael@0 367 paddd xmm4,xmm6
michael@0 368 paddd xmm5,xmm1
michael@0 369 paddd xmm4,xmm1
michael@0 370 psrld xmm5,SCALEBITS ; xmm5=CbEL
michael@0 371 psrld xmm4,SCALEBITS ; xmm4=CbEH
michael@0 372 packssdw xmm5,xmm4 ; xmm5=CbE
michael@0 373
michael@0 374 psllw xmm7,BYTE_BIT
michael@0 375 por xmm5,xmm7 ; xmm5=Cb
michael@0 376 movdqa XMMWORD [ebx], xmm5 ; Save Cb
michael@0 377
michael@0 378 movdqa xmm0, XMMWORD [wk(3)] ; xmm0=BO
michael@0 379 movdqa xmm6, XMMWORD [wk(2)] ; xmm6=BE
michael@0 380 movdqa xmm1, XMMWORD [wk(1)] ; xmm1=RO
michael@0 381
michael@0 382 movdqa xmm4,xmm0
michael@0 383 punpcklwd xmm0,xmm3
michael@0 384 punpckhwd xmm4,xmm3
michael@0 385 movdqa xmm7,xmm0
michael@0 386 movdqa xmm5,xmm4
michael@0 387 pmaddwd xmm0,[GOTOFF(eax,PW_F0114_F0250)] ; xmm0=BOL*FIX(0.114)+GOL*FIX(0.250)
michael@0 388 pmaddwd xmm4,[GOTOFF(eax,PW_F0114_F0250)] ; xmm4=BOH*FIX(0.114)+GOH*FIX(0.250)
michael@0 389 pmaddwd xmm7,[GOTOFF(eax,PW_MF008_MF041)] ; xmm7=BOL*-FIX(0.081)+GOL*-FIX(0.418)
michael@0 390 pmaddwd xmm5,[GOTOFF(eax,PW_MF008_MF041)] ; xmm5=BOH*-FIX(0.081)+GOH*-FIX(0.418)
michael@0 391
michael@0 392 movdqa xmm3,[GOTOFF(eax,PD_ONEHALF)] ; xmm3=[PD_ONEHALF]
michael@0 393
michael@0 394 paddd xmm0, XMMWORD [wk(4)]
michael@0 395 paddd xmm4, XMMWORD [wk(5)]
michael@0 396 paddd xmm0,xmm3
michael@0 397 paddd xmm4,xmm3
michael@0 398 psrld xmm0,SCALEBITS ; xmm0=YOL
michael@0 399 psrld xmm4,SCALEBITS ; xmm4=YOH
michael@0 400 packssdw xmm0,xmm4 ; xmm0=YO
michael@0 401
michael@0 402 pxor xmm3,xmm3
michael@0 403 pxor xmm4,xmm4
michael@0 404 punpcklwd xmm3,xmm1 ; xmm3=ROL
michael@0 405 punpckhwd xmm4,xmm1 ; xmm4=ROH
michael@0 406 psrld xmm3,1 ; xmm3=ROL*FIX(0.500)
michael@0 407 psrld xmm4,1 ; xmm4=ROH*FIX(0.500)
michael@0 408
michael@0 409 movdqa xmm1,[GOTOFF(eax,PD_ONEHALFM1_CJ)] ; xmm1=[PD_ONEHALFM1_CJ]
michael@0 410
michael@0 411 paddd xmm7,xmm3
michael@0 412 paddd xmm5,xmm4
michael@0 413 paddd xmm7,xmm1
michael@0 414 paddd xmm5,xmm1
michael@0 415 psrld xmm7,SCALEBITS ; xmm7=CrOL
michael@0 416 psrld xmm5,SCALEBITS ; xmm5=CrOH
michael@0 417 packssdw xmm7,xmm5 ; xmm7=CrO
michael@0 418
michael@0 419 movdqa xmm3, XMMWORD [wk(0)] ; xmm3=RE
michael@0 420
michael@0 421 movdqa xmm4,xmm6
michael@0 422 punpcklwd xmm6,xmm2
michael@0 423 punpckhwd xmm4,xmm2
michael@0 424 movdqa xmm1,xmm6
michael@0 425 movdqa xmm5,xmm4
michael@0 426 pmaddwd xmm6,[GOTOFF(eax,PW_F0114_F0250)] ; xmm6=BEL*FIX(0.114)+GEL*FIX(0.250)
michael@0 427 pmaddwd xmm4,[GOTOFF(eax,PW_F0114_F0250)] ; xmm4=BEH*FIX(0.114)+GEH*FIX(0.250)
michael@0 428 pmaddwd xmm1,[GOTOFF(eax,PW_MF008_MF041)] ; xmm1=BEL*-FIX(0.081)+GEL*-FIX(0.418)
michael@0 429 pmaddwd xmm5,[GOTOFF(eax,PW_MF008_MF041)] ; xmm5=BEH*-FIX(0.081)+GEH*-FIX(0.418)
michael@0 430
michael@0 431 movdqa xmm2,[GOTOFF(eax,PD_ONEHALF)] ; xmm2=[PD_ONEHALF]
michael@0 432
michael@0 433 paddd xmm6, XMMWORD [wk(6)]
michael@0 434 paddd xmm4, XMMWORD [wk(7)]
michael@0 435 paddd xmm6,xmm2
michael@0 436 paddd xmm4,xmm2
michael@0 437 psrld xmm6,SCALEBITS ; xmm6=YEL
michael@0 438 psrld xmm4,SCALEBITS ; xmm4=YEH
michael@0 439 packssdw xmm6,xmm4 ; xmm6=YE
michael@0 440
michael@0 441 psllw xmm0,BYTE_BIT
michael@0 442 por xmm6,xmm0 ; xmm6=Y
michael@0 443 movdqa XMMWORD [edi], xmm6 ; Save Y
michael@0 444
michael@0 445 pxor xmm2,xmm2
michael@0 446 pxor xmm4,xmm4
michael@0 447 punpcklwd xmm2,xmm3 ; xmm2=REL
michael@0 448 punpckhwd xmm4,xmm3 ; xmm4=REH
michael@0 449 psrld xmm2,1 ; xmm2=REL*FIX(0.500)
michael@0 450 psrld xmm4,1 ; xmm4=REH*FIX(0.500)
michael@0 451
michael@0 452 movdqa xmm0,[GOTOFF(eax,PD_ONEHALFM1_CJ)] ; xmm0=[PD_ONEHALFM1_CJ]
michael@0 453
michael@0 454 paddd xmm1,xmm2
michael@0 455 paddd xmm5,xmm4
michael@0 456 paddd xmm1,xmm0
michael@0 457 paddd xmm5,xmm0
michael@0 458 psrld xmm1,SCALEBITS ; xmm1=CrEL
michael@0 459 psrld xmm5,SCALEBITS ; xmm5=CrEH
michael@0 460 packssdw xmm1,xmm5 ; xmm1=CrE
michael@0 461
michael@0 462 psllw xmm7,BYTE_BIT
michael@0 463 por xmm1,xmm7 ; xmm1=Cr
michael@0 464 movdqa XMMWORD [edx], xmm1 ; Save Cr
michael@0 465
michael@0 466 sub ecx, byte SIZEOF_XMMWORD
michael@0 467 add esi, byte RGB_PIXELSIZE*SIZEOF_XMMWORD ; inptr
michael@0 468 add edi, byte SIZEOF_XMMWORD ; outptr0
michael@0 469 add ebx, byte SIZEOF_XMMWORD ; outptr1
michael@0 470 add edx, byte SIZEOF_XMMWORD ; outptr2
michael@0 471 cmp ecx, byte SIZEOF_XMMWORD
michael@0 472 jae near .columnloop
michael@0 473 test ecx,ecx
michael@0 474 jnz near .column_ld1
michael@0 475
michael@0 476 pop ecx ; col
michael@0 477 pop esi
michael@0 478 pop edi
michael@0 479 pop ebx
michael@0 480 pop edx
michael@0 481 poppic eax
michael@0 482
michael@0 483 add esi, byte SIZEOF_JSAMPROW ; input_buf
michael@0 484 add edi, byte SIZEOF_JSAMPROW
michael@0 485 add ebx, byte SIZEOF_JSAMPROW
michael@0 486 add edx, byte SIZEOF_JSAMPROW
michael@0 487 dec eax ; num_rows
michael@0 488 jg near .rowloop
michael@0 489
michael@0 490 .return:
michael@0 491 pop edi
michael@0 492 pop esi
michael@0 493 ; pop edx ; need not be preserved
michael@0 494 ; pop ecx ; need not be preserved
michael@0 495 pop ebx
michael@0 496 mov esp,ebp ; esp <- aligned ebp
michael@0 497 pop esp ; esp <- original ebp
michael@0 498 pop ebp
michael@0 499 ret
michael@0 500
michael@0 501 ; For some reason, the OS X linker does not honor the request to align the
michael@0 502 ; segment unless we do this.
michael@0 503 align 16

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