1 ; 2 ; jdmrgext.asm - merged upsampling/color conversion (MMX) 3 ; 4 ; Copyright 2009 Pierre Ossman <ossman (a] cendio.se> for Cendio AB 5 ; 6 ; Based on 7 ; x86 SIMD extension for IJG JPEG library 8 ; Copyright (C) 1999-2006, MIYASAKA Masaru. 9 ; For conditions of distribution and use, see copyright notice in jsimdext.inc 10 ; 11 ; This file should be assembled with NASM (Netwide Assembler), 12 ; can *not* be assembled with Microsoft's MASM or any compatible 13 ; assembler (including Borland's Turbo Assembler). 14 ; NASM is available from http://nasm.sourceforge.net/ or 15 ; http://sourceforge.net/project/showfiles.php?group_id=6208 16 ; 17 ; [TAB8] 18 19 %include "jcolsamp.inc" 20 21 ; -------------------------------------------------------------------------- 22 ; 23 ; Upsample and color convert for the case of 2:1 horizontal and 1:1 vertical. 24 ; 25 ; GLOBAL(void) 26 ; jsimd_h2v1_merged_upsample_mmx (JDIMENSION output_width, 27 ; JSAMPIMAGE input_buf, 28 ; JDIMENSION in_row_group_ctr, 29 ; JSAMPARRAY output_buf); 30 ; 31 32 %define output_width(b) (b)+8 ; JDIMENSION output_width 33 %define input_buf(b) (b)+12 ; JSAMPIMAGE input_buf 34 %define in_row_group_ctr(b) (b)+16 ; JDIMENSION in_row_group_ctr 35 %define output_buf(b) (b)+20 ; JSAMPARRAY output_buf 36 37 %define original_ebp ebp+0 38 %define wk(i) ebp-(WK_NUM-(i))*SIZEOF_MMWORD ; mmword wk[WK_NUM] 39 %define WK_NUM 3 40 %define gotptr wk(0)-SIZEOF_POINTER ; void * gotptr 41 42 align 16 43 global EXTN(jsimd_h2v1_merged_upsample_mmx) 44 45 EXTN(jsimd_h2v1_merged_upsample_mmx): 46 push ebp 47 mov eax,esp ; eax = original ebp 48 sub esp, byte 4 49 and esp, byte (-SIZEOF_MMWORD) ; align to 64 bits 50 mov [esp],eax 51 mov ebp,esp ; ebp = aligned ebp 52 lea esp, [wk(0)] 53 pushpic eax ; make a room for GOT address 54 push ebx 55 ; push ecx ; need not be preserved 56 ; push edx ; need not be preserved 57 push esi 58 push edi 59 60 get_GOT ebx ; get GOT address 61 movpic POINTER [gotptr], ebx ; save GOT address 62 63 mov ecx, JDIMENSION [output_width(eax)] ; col 64 test ecx,ecx 65 jz near .return 66 67 push ecx 68 69 mov edi, JSAMPIMAGE [input_buf(eax)] 70 mov ecx, JDIMENSION [in_row_group_ctr(eax)] 71 mov esi, JSAMPARRAY [edi+0*SIZEOF_JSAMPARRAY] 72 mov ebx, JSAMPARRAY [edi+1*SIZEOF_JSAMPARRAY] 73 mov edx, JSAMPARRAY [edi+2*SIZEOF_JSAMPARRAY] 74 mov edi, JSAMPARRAY [output_buf(eax)] 75 mov esi, JSAMPROW [esi+ecx*SIZEOF_JSAMPROW] ; inptr0 76 mov ebx, JSAMPROW [ebx+ecx*SIZEOF_JSAMPROW] ; inptr1 77 mov edx, JSAMPROW [edx+ecx*SIZEOF_JSAMPROW] ; inptr2 78 mov edi, JSAMPROW [edi] ; outptr 79 80 pop ecx ; col 81 82 alignx 16,7 83 .columnloop: 84 movpic eax, POINTER [gotptr] ; load GOT address (eax) 85 86 movq mm6, MMWORD [ebx] ; mm6=Cb(01234567) 87 movq mm7, MMWORD [edx] ; mm7=Cr(01234567) 88 89 pxor mm1,mm1 ; mm1=(all 0's) 90 pcmpeqw mm3,mm3 91 psllw mm3,7 ; mm3={0xFF80 0xFF80 0xFF80 0xFF80} 92 93 movq mm4,mm6 94 punpckhbw mm6,mm1 ; mm6=Cb(4567)=CbH 95 punpcklbw mm4,mm1 ; mm4=Cb(0123)=CbL 96 movq mm0,mm7 97 punpckhbw mm7,mm1 ; mm7=Cr(4567)=CrH 98 punpcklbw mm0,mm1 ; mm0=Cr(0123)=CrL 99 100 paddw mm6,mm3 101 paddw mm4,mm3 102 paddw mm7,mm3 103 paddw mm0,mm3 104 105 ; (Original) 106 ; R = Y + 1.40200 * Cr 107 ; G = Y - 0.34414 * Cb - 0.71414 * Cr 108 ; B = Y + 1.77200 * Cb 109 ; 110 ; (This implementation) 111 ; R = Y + 0.40200 * Cr + Cr 112 ; G = Y - 0.34414 * Cb + 0.28586 * Cr - Cr 113 ; B = Y - 0.22800 * Cb + Cb + Cb 114 115 movq mm5,mm6 ; mm5=CbH 116 movq mm2,mm4 ; mm2=CbL 117 paddw mm6,mm6 ; mm6=2*CbH 118 paddw mm4,mm4 ; mm4=2*CbL 119 movq mm1,mm7 ; mm1=CrH 120 movq mm3,mm0 ; mm3=CrL 121 paddw mm7,mm7 ; mm7=2*CrH 122 paddw mm0,mm0 ; mm0=2*CrL 123 124 pmulhw mm6,[GOTOFF(eax,PW_MF0228)] ; mm6=(2*CbH * -FIX(0.22800)) 125 pmulhw mm4,[GOTOFF(eax,PW_MF0228)] ; mm4=(2*CbL * -FIX(0.22800)) 126 pmulhw mm7,[GOTOFF(eax,PW_F0402)] ; mm7=(2*CrH * FIX(0.40200)) 127 pmulhw mm0,[GOTOFF(eax,PW_F0402)] ; mm0=(2*CrL * FIX(0.40200)) 128 129 paddw mm6,[GOTOFF(eax,PW_ONE)] 130 paddw mm4,[GOTOFF(eax,PW_ONE)] 131 psraw mm6,1 ; mm6=(CbH * -FIX(0.22800)) 132 psraw mm4,1 ; mm4=(CbL * -FIX(0.22800)) 133 paddw mm7,[GOTOFF(eax,PW_ONE)] 134 paddw mm0,[GOTOFF(eax,PW_ONE)] 135 psraw mm7,1 ; mm7=(CrH * FIX(0.40200)) 136 psraw mm0,1 ; mm0=(CrL * FIX(0.40200)) 137 138 paddw mm6,mm5 139 paddw mm4,mm2 140 paddw mm6,mm5 ; mm6=(CbH * FIX(1.77200))=(B-Y)H 141 paddw mm4,mm2 ; mm4=(CbL * FIX(1.77200))=(B-Y)L 142 paddw mm7,mm1 ; mm7=(CrH * FIX(1.40200))=(R-Y)H 143 paddw mm0,mm3 ; mm0=(CrL * FIX(1.40200))=(R-Y)L 144 145 movq MMWORD [wk(0)], mm6 ; wk(0)=(B-Y)H 146 movq MMWORD [wk(1)], mm7 ; wk(1)=(R-Y)H 147 148 movq mm6,mm5 149 movq mm7,mm2 150 punpcklwd mm5,mm1 151 punpckhwd mm6,mm1 152 pmaddwd mm5,[GOTOFF(eax,PW_MF0344_F0285)] 153 pmaddwd mm6,[GOTOFF(eax,PW_MF0344_F0285)] 154 punpcklwd mm2,mm3 155 punpckhwd mm7,mm3 156 pmaddwd mm2,[GOTOFF(eax,PW_MF0344_F0285)] 157 pmaddwd mm7,[GOTOFF(eax,PW_MF0344_F0285)] 158 159 paddd mm5,[GOTOFF(eax,PD_ONEHALF)] 160 paddd mm6,[GOTOFF(eax,PD_ONEHALF)] 161 psrad mm5,SCALEBITS 162 psrad mm6,SCALEBITS 163 paddd mm2,[GOTOFF(eax,PD_ONEHALF)] 164 paddd mm7,[GOTOFF(eax,PD_ONEHALF)] 165 psrad mm2,SCALEBITS 166 psrad mm7,SCALEBITS 167 168 packssdw mm5,mm6 ; mm5=CbH*-FIX(0.344)+CrH*FIX(0.285) 169 packssdw mm2,mm7 ; mm2=CbL*-FIX(0.344)+CrL*FIX(0.285) 170 psubw mm5,mm1 ; mm5=CbH*-FIX(0.344)+CrH*-FIX(0.714)=(G-Y)H 171 psubw mm2,mm3 ; mm2=CbL*-FIX(0.344)+CrL*-FIX(0.714)=(G-Y)L 172 173 movq MMWORD [wk(2)], mm5 ; wk(2)=(G-Y)H 174 175 mov al,2 ; Yctr 176 jmp short .Yloop_1st 177 alignx 16,7 178 179 .Yloop_2nd: 180 movq mm0, MMWORD [wk(1)] ; mm0=(R-Y)H 181 movq mm2, MMWORD [wk(2)] ; mm2=(G-Y)H 182 movq mm4, MMWORD [wk(0)] ; mm4=(B-Y)H 183 alignx 16,7 184 185 .Yloop_1st: 186 movq mm7, MMWORD [esi] ; mm7=Y(01234567) 187 188 pcmpeqw mm6,mm6 189 psrlw mm6,BYTE_BIT ; mm6={0xFF 0x00 0xFF 0x00 ..} 190 pand mm6,mm7 ; mm6=Y(0246)=YE 191 psrlw mm7,BYTE_BIT ; mm7=Y(1357)=YO 192 193 movq mm1,mm0 ; mm1=mm0=(R-Y)(L/H) 194 movq mm3,mm2 ; mm3=mm2=(G-Y)(L/H) 195 movq mm5,mm4 ; mm5=mm4=(B-Y)(L/H) 196 197 paddw mm0,mm6 ; mm0=((R-Y)+YE)=RE=(R0 R2 R4 R6) 198 paddw mm1,mm7 ; mm1=((R-Y)+YO)=RO=(R1 R3 R5 R7) 199 packuswb mm0,mm0 ; mm0=(R0 R2 R4 R6 ** ** ** **) 200 packuswb mm1,mm1 ; mm1=(R1 R3 R5 R7 ** ** ** **) 201 202 paddw mm2,mm6 ; mm2=((G-Y)+YE)=GE=(G0 G2 G4 G6) 203 paddw mm3,mm7 ; mm3=((G-Y)+YO)=GO=(G1 G3 G5 G7) 204 packuswb mm2,mm2 ; mm2=(G0 G2 G4 G6 ** ** ** **) 205 packuswb mm3,mm3 ; mm3=(G1 G3 G5 G7 ** ** ** **) 206 207 paddw mm4,mm6 ; mm4=((B-Y)+YE)=BE=(B0 B2 B4 B6) 208 paddw mm5,mm7 ; mm5=((B-Y)+YO)=BO=(B1 B3 B5 B7) 209 packuswb mm4,mm4 ; mm4=(B0 B2 B4 B6 ** ** ** **) 210 packuswb mm5,mm5 ; mm5=(B1 B3 B5 B7 ** ** ** **) 211 212 %if RGB_PIXELSIZE == 3 ; --------------- 213 214 ; mmA=(00 02 04 06 ** ** ** **), mmB=(01 03 05 07 ** ** ** **) 215 ; mmC=(10 12 14 16 ** ** ** **), mmD=(11 13 15 17 ** ** ** **) 216 ; mmE=(20 22 24 26 ** ** ** **), mmF=(21 23 25 27 ** ** ** **) 217 ; mmG=(** ** ** ** ** ** ** **), mmH=(** ** ** ** ** ** ** **) 218 219 punpcklbw mmA,mmC ; mmA=(00 10 02 12 04 14 06 16) 220 punpcklbw mmE,mmB ; mmE=(20 01 22 03 24 05 26 07) 221 punpcklbw mmD,mmF ; mmD=(11 21 13 23 15 25 17 27) 222 223 movq mmG,mmA 224 movq mmH,mmA 225 punpcklwd mmA,mmE ; mmA=(00 10 20 01 02 12 22 03) 226 punpckhwd mmG,mmE ; mmG=(04 14 24 05 06 16 26 07) 227 228 psrlq mmH,2*BYTE_BIT ; mmH=(02 12 04 14 06 16 -- --) 229 psrlq mmE,2*BYTE_BIT ; mmE=(22 03 24 05 26 07 -- --) 230 231 movq mmC,mmD 232 movq mmB,mmD 233 punpcklwd mmD,mmH ; mmD=(11 21 02 12 13 23 04 14) 234 punpckhwd mmC,mmH ; mmC=(15 25 06 16 17 27 -- --) 235 236 psrlq mmB,2*BYTE_BIT ; mmB=(13 23 15 25 17 27 -- --) 237 238 movq mmF,mmE 239 punpcklwd mmE,mmB ; mmE=(22 03 13 23 24 05 15 25) 240 punpckhwd mmF,mmB ; mmF=(26 07 17 27 -- -- -- --) 241 242 punpckldq mmA,mmD ; mmA=(00 10 20 01 11 21 02 12) 243 punpckldq mmE,mmG ; mmE=(22 03 13 23 04 14 24 05) 244 punpckldq mmC,mmF ; mmC=(15 25 06 16 26 07 17 27) 245 246 cmp ecx, byte SIZEOF_MMWORD 247 jb short .column_st16 248 249 movq MMWORD [edi+0*SIZEOF_MMWORD], mmA 250 movq MMWORD [edi+1*SIZEOF_MMWORD], mmE 251 movq MMWORD [edi+2*SIZEOF_MMWORD], mmC 252 253 sub ecx, byte SIZEOF_MMWORD 254 jz near .endcolumn 255 256 add edi, byte RGB_PIXELSIZE*SIZEOF_MMWORD ; outptr 257 add esi, byte SIZEOF_MMWORD ; inptr0 258 dec al ; Yctr 259 jnz near .Yloop_2nd 260 261 add ebx, byte SIZEOF_MMWORD ; inptr1 262 add edx, byte SIZEOF_MMWORD ; inptr2 263 jmp near .columnloop 264 alignx 16,7 265 266 .column_st16: 267 lea ecx, [ecx+ecx*2] ; imul ecx, RGB_PIXELSIZE 268 cmp ecx, byte 2*SIZEOF_MMWORD 269 jb short .column_st8 270 movq MMWORD [edi+0*SIZEOF_MMWORD], mmA 271 movq MMWORD [edi+1*SIZEOF_MMWORD], mmE 272 movq mmA,mmC 273 sub ecx, byte 2*SIZEOF_MMWORD 274 add edi, byte 2*SIZEOF_MMWORD 275 jmp short .column_st4 276 .column_st8: 277 cmp ecx, byte SIZEOF_MMWORD 278 jb short .column_st4 279 movq MMWORD [edi+0*SIZEOF_MMWORD], mmA 280 movq mmA,mmE 281 sub ecx, byte SIZEOF_MMWORD 282 add edi, byte SIZEOF_MMWORD 283 .column_st4: 284 movd eax,mmA 285 cmp ecx, byte SIZEOF_DWORD 286 jb short .column_st2 287 mov DWORD [edi+0*SIZEOF_DWORD], eax 288 psrlq mmA,DWORD_BIT 289 movd eax,mmA 290 sub ecx, byte SIZEOF_DWORD 291 add edi, byte SIZEOF_DWORD 292 .column_st2: 293 cmp ecx, byte SIZEOF_WORD 294 jb short .column_st1 295 mov WORD [edi+0*SIZEOF_WORD], ax 296 shr eax,WORD_BIT 297 sub ecx, byte SIZEOF_WORD 298 add edi, byte SIZEOF_WORD 299 .column_st1: 300 cmp ecx, byte SIZEOF_BYTE 301 jb short .endcolumn 302 mov BYTE [edi+0*SIZEOF_BYTE], al 303 304 %else ; RGB_PIXELSIZE == 4 ; ----------- 305 306 %ifdef RGBX_FILLER_0XFF 307 pcmpeqb mm6,mm6 ; mm6=(X0 X2 X4 X6 ** ** ** **) 308 pcmpeqb mm7,mm7 ; mm7=(X1 X3 X5 X7 ** ** ** **) 309 %else 310 pxor mm6,mm6 ; mm6=(X0 X2 X4 X6 ** ** ** **) 311 pxor mm7,mm7 ; mm7=(X1 X3 X5 X7 ** ** ** **) 312 %endif 313 ; mmA=(00 02 04 06 ** ** ** **), mmB=(01 03 05 07 ** ** ** **) 314 ; mmC=(10 12 14 16 ** ** ** **), mmD=(11 13 15 17 ** ** ** **) 315 ; mmE=(20 22 24 26 ** ** ** **), mmF=(21 23 25 27 ** ** ** **) 316 ; mmG=(30 32 34 36 ** ** ** **), mmH=(31 33 35 37 ** ** ** **) 317 318 punpcklbw mmA,mmC ; mmA=(00 10 02 12 04 14 06 16) 319 punpcklbw mmE,mmG ; mmE=(20 30 22 32 24 34 26 36) 320 punpcklbw mmB,mmD ; mmB=(01 11 03 13 05 15 07 17) 321 punpcklbw mmF,mmH ; mmF=(21 31 23 33 25 35 27 37) 322 323 movq mmC,mmA 324 punpcklwd mmA,mmE ; mmA=(00 10 20 30 02 12 22 32) 325 punpckhwd mmC,mmE ; mmC=(04 14 24 34 06 16 26 36) 326 movq mmG,mmB 327 punpcklwd mmB,mmF ; mmB=(01 11 21 31 03 13 23 33) 328 punpckhwd mmG,mmF ; mmG=(05 15 25 35 07 17 27 37) 329 330 movq mmD,mmA 331 punpckldq mmA,mmB ; mmA=(00 10 20 30 01 11 21 31) 332 punpckhdq mmD,mmB ; mmD=(02 12 22 32 03 13 23 33) 333 movq mmH,mmC 334 punpckldq mmC,mmG ; mmC=(04 14 24 34 05 15 25 35) 335 punpckhdq mmH,mmG ; mmH=(06 16 26 36 07 17 27 37) 336 337 cmp ecx, byte SIZEOF_MMWORD 338 jb short .column_st16 339 340 movq MMWORD [edi+0*SIZEOF_MMWORD], mmA 341 movq MMWORD [edi+1*SIZEOF_MMWORD], mmD 342 movq MMWORD [edi+2*SIZEOF_MMWORD], mmC 343 movq MMWORD [edi+3*SIZEOF_MMWORD], mmH 344 345 sub ecx, byte SIZEOF_MMWORD 346 jz short .endcolumn 347 348 add edi, byte RGB_PIXELSIZE*SIZEOF_MMWORD ; outptr 349 add esi, byte SIZEOF_MMWORD ; inptr0 350 dec al ; Yctr 351 jnz near .Yloop_2nd 352 353 add ebx, byte SIZEOF_MMWORD ; inptr1 354 add edx, byte SIZEOF_MMWORD ; inptr2 355 jmp near .columnloop 356 alignx 16,7 357 358 .column_st16: 359 cmp ecx, byte SIZEOF_MMWORD/2 360 jb short .column_st8 361 movq MMWORD [edi+0*SIZEOF_MMWORD], mmA 362 movq MMWORD [edi+1*SIZEOF_MMWORD], mmD 363 movq mmA,mmC 364 movq mmD,mmH 365 sub ecx, byte SIZEOF_MMWORD/2 366 add edi, byte 2*SIZEOF_MMWORD 367 .column_st8: 368 cmp ecx, byte SIZEOF_MMWORD/4 369 jb short .column_st4 370 movq MMWORD [edi+0*SIZEOF_MMWORD], mmA 371 movq mmA,mmD 372 sub ecx, byte SIZEOF_MMWORD/4 373 add edi, byte 1*SIZEOF_MMWORD 374 .column_st4: 375 cmp ecx, byte SIZEOF_MMWORD/8 376 jb short .endcolumn 377 movd DWORD [edi+0*SIZEOF_DWORD], mmA 378 379 %endif ; RGB_PIXELSIZE ; --------------- 380 381 .endcolumn: 382 emms ; empty MMX state 383 384 .return: 385 pop edi 386 pop esi 387 ; pop edx ; need not be preserved 388 ; pop ecx ; need not be preserved 389 pop ebx 390 mov esp,ebp ; esp <- aligned ebp 391 pop esp ; esp <- original ebp 392 pop ebp 393 ret 394 395 ; -------------------------------------------------------------------------- 396 ; 397 ; Upsample and color convert for the case of 2:1 horizontal and 2:1 vertical. 398 ; 399 ; GLOBAL(void) 400 ; jsimd_h2v2_merged_upsample_mmx (JDIMENSION output_width, 401 ; JSAMPIMAGE input_buf, 402 ; JDIMENSION in_row_group_ctr, 403 ; JSAMPARRAY output_buf); 404 ; 405 406 %define output_width(b) (b)+8 ; JDIMENSION output_width 407 %define input_buf(b) (b)+12 ; JSAMPIMAGE input_buf 408 %define in_row_group_ctr(b) (b)+16 ; JDIMENSION in_row_group_ctr 409 %define output_buf(b) (b)+20 ; JSAMPARRAY output_buf 410 411 align 16 412 global EXTN(jsimd_h2v2_merged_upsample_mmx) 413 414 EXTN(jsimd_h2v2_merged_upsample_mmx): 415 push ebp 416 mov ebp,esp 417 push ebx 418 ; push ecx ; need not be preserved 419 ; push edx ; need not be preserved 420 push esi 421 push edi 422 423 mov eax, JDIMENSION [output_width(ebp)] 424 425 mov edi, JSAMPIMAGE [input_buf(ebp)] 426 mov ecx, JDIMENSION [in_row_group_ctr(ebp)] 427 mov esi, JSAMPARRAY [edi+0*SIZEOF_JSAMPARRAY] 428 mov ebx, JSAMPARRAY [edi+1*SIZEOF_JSAMPARRAY] 429 mov edx, JSAMPARRAY [edi+2*SIZEOF_JSAMPARRAY] 430 mov edi, JSAMPARRAY [output_buf(ebp)] 431 lea esi, [esi+ecx*SIZEOF_JSAMPROW] 432 433 push edx ; inptr2 434 push ebx ; inptr1 435 push esi ; inptr00 436 mov ebx,esp 437 438 push edi ; output_buf (outptr0) 439 push ecx ; in_row_group_ctr 440 push ebx ; input_buf 441 push eax ; output_width 442 443 call near EXTN(jsimd_h2v1_merged_upsample_mmx) 444 445 add esi, byte SIZEOF_JSAMPROW ; inptr01 446 add edi, byte SIZEOF_JSAMPROW ; outptr1 447 mov POINTER [ebx+0*SIZEOF_POINTER], esi 448 mov POINTER [ebx-1*SIZEOF_POINTER], edi 449 450 call near EXTN(jsimd_h2v1_merged_upsample_mmx) 451 452 add esp, byte 7*SIZEOF_DWORD 453 454 pop edi 455 pop esi 456 ; pop edx ; need not be preserved 457 ; pop ecx ; need not be preserved 458 pop ebx 459 pop ebp 460 ret 461 462 ; For some reason, the OS X linker does not honor the request to align the 463 ; segment unless we do this. 464 align 16 465
