Mercurial > sdl-ios-xcode
annotate src/hermes/x86p_16.asm @ 1198:b616ac4f39d1
Fixed gcc 4 warnings
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Thu, 08 Dec 2005 14:48:21 +0000 |
| parents | da33b7e6d181 |
| children | 2d6dc7de1145 |
| rev | line source |
|---|---|
| 0 | 1 ; |
| 2 ; x86 format converters for HERMES | |
| 3 ; Copyright (c) 1998 Glenn Fielder (gaffer@gaffer.org) | |
| 4 ; This source code is licensed under the GNU LGPL | |
| 5 ; | |
| 6 ; Please refer to the file COPYING.LIB contained in the distribution for | |
| 7 ; licensing conditions | |
| 8 ; | |
| 9 ; Routines adjusted for Hermes by Christian Nentwich (brn@eleet.mcb.at) | |
| 10 ; Used with permission. | |
| 11 ; | |
| 12 | |
| 13 | |
| 14 BITS 32 | |
| 15 | |
| 16 GLOBAL _ConvertX86p16_32RGB888 | |
| 17 GLOBAL _ConvertX86p16_32BGR888 | |
| 18 GLOBAL _ConvertX86p16_32RGBA888 | |
| 19 GLOBAL _ConvertX86p16_32BGRA888 | |
| 20 GLOBAL _ConvertX86p16_24RGB888 | |
| 21 GLOBAL _ConvertX86p16_24BGR888 | |
| 22 GLOBAL _ConvertX86p16_16BGR565 | |
| 23 GLOBAL _ConvertX86p16_16RGB555 | |
| 24 GLOBAL _ConvertX86p16_16BGR555 | |
| 25 GLOBAL _ConvertX86p16_8RGB332 | |
| 26 | |
| 27 EXTERN _ConvertX86 | |
| 28 EXTERN _x86return | |
| 29 | |
|
1166
da33b7e6d181
Date: Tue, 1 Nov 2005 20:25:10 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
0
diff
changeset
|
30 SECTION .note.GNU-stack noalloc progbits noexec nowrite |
| 0 | 31 SECTION .text |
| 32 | |
| 33 | |
| 34 | |
| 35 _ConvertX86p16_16BGR565: | |
| 36 | |
| 37 ; check short | |
| 38 cmp ecx,BYTE 16 | |
| 39 ja .L3 | |
| 40 | |
| 41 | |
| 42 .L1 ; short loop | |
| 43 mov al,[esi] | |
| 44 mov ah,[esi+1] | |
| 45 mov ebx,eax | |
| 46 mov edx,eax | |
| 47 shr eax,11 | |
| 48 and eax,BYTE 11111b | |
| 49 and ebx,11111100000b | |
| 50 shl edx,11 | |
| 51 add eax,ebx | |
| 52 add eax,edx | |
| 53 mov [edi],al | |
| 54 mov [edi+1],ah | |
| 55 add esi,BYTE 2 | |
| 56 add edi,BYTE 2 | |
| 57 dec ecx | |
| 58 jnz .L1 | |
| 59 .L2 | |
| 60 jmp _x86return | |
| 61 | |
| 62 .L3 ; head | |
| 63 mov eax,edi | |
| 64 and eax,BYTE 11b | |
| 65 jz .L4 | |
| 66 mov al,[esi] | |
| 67 mov ah,[esi+1] | |
| 68 mov ebx,eax | |
| 69 mov edx,eax | |
| 70 shr eax,11 | |
| 71 and eax,BYTE 11111b | |
| 72 and ebx,11111100000b | |
| 73 shl edx,11 | |
| 74 add eax,ebx | |
| 75 add eax,edx | |
| 76 mov [edi],al | |
| 77 mov [edi+1],ah | |
| 78 add esi,BYTE 2 | |
| 79 add edi,BYTE 2 | |
| 80 dec ecx | |
| 81 | |
| 82 .L4 ; save count | |
| 83 push ecx | |
| 84 | |
| 85 ; unroll twice | |
| 86 shr ecx,1 | |
| 87 | |
| 88 ; point arrays to end | |
| 89 lea esi,[esi+ecx*4] | |
| 90 lea edi,[edi+ecx*4] | |
| 91 | |
| 92 ; negative counter | |
| 93 neg ecx | |
| 94 jmp SHORT .L6 | |
| 95 | |
| 96 .L5 mov [edi+ecx*4-4],eax | |
| 97 .L6 mov eax,[esi+ecx*4] | |
| 98 | |
| 99 mov ebx,[esi+ecx*4] | |
| 100 and eax,07E007E0h | |
| 101 | |
| 102 mov edx,[esi+ecx*4] | |
| 103 and ebx,0F800F800h | |
| 104 | |
| 105 shr ebx,11 | |
| 106 and edx,001F001Fh | |
| 107 | |
| 108 shl edx,11 | |
| 109 add eax,ebx | |
| 110 | |
| 111 add eax,edx | |
| 112 inc ecx | |
| 113 | |
| 114 jnz .L5 | |
| 115 | |
| 116 mov [edi+ecx*4-4],eax | |
| 117 | |
| 118 ; tail | |
| 119 pop ecx | |
| 120 and ecx,BYTE 1 | |
| 121 jz .L7 | |
| 122 mov al,[esi] | |
| 123 mov ah,[esi+1] | |
| 124 mov ebx,eax | |
| 125 mov edx,eax | |
| 126 shr eax,11 | |
| 127 and eax,BYTE 11111b | |
| 128 and ebx,11111100000b | |
| 129 shl edx,11 | |
| 130 add eax,ebx | |
| 131 add eax,edx | |
| 132 mov [edi],al | |
| 133 mov [edi+1],ah | |
| 134 add esi,BYTE 2 | |
| 135 add edi,BYTE 2 | |
| 136 | |
| 137 .L7 | |
| 138 jmp _x86return | |
| 139 | |
| 140 | |
| 141 | |
| 142 | |
| 143 | |
| 144 | |
| 145 _ConvertX86p16_16RGB555: | |
| 146 | |
| 147 ; check short | |
| 148 cmp ecx,BYTE 32 | |
| 149 ja .L3 | |
| 150 | |
| 151 | |
| 152 .L1 ; short loop | |
| 153 mov al,[esi] | |
| 154 mov ah,[esi+1] | |
| 155 mov ebx,eax | |
| 156 shr ebx,1 | |
| 157 and ebx, 0111111111100000b | |
| 158 and eax,BYTE 0000000000011111b | |
| 159 add eax,ebx | |
| 160 mov [edi],al | |
| 161 mov [edi+1],ah | |
| 162 add esi,BYTE 2 | |
| 163 add edi,BYTE 2 | |
| 164 dec ecx | |
| 165 jnz .L1 | |
| 166 .L2 | |
| 167 jmp _x86return | |
| 168 | |
| 169 .L3 ; head | |
| 170 mov eax,edi | |
| 171 and eax,BYTE 11b | |
| 172 jz .L4 | |
| 173 mov al,[esi] | |
| 174 mov ah,[esi+1] | |
| 175 mov ebx,eax | |
| 176 shr ebx,1 | |
| 177 and ebx, 0111111111100000b | |
| 178 and eax,BYTE 0000000000011111b | |
| 179 add eax,ebx | |
| 180 mov [edi],al | |
| 181 mov [edi+1],ah | |
| 182 add esi,BYTE 2 | |
| 183 add edi,BYTE 2 | |
| 184 dec ecx | |
| 185 | |
| 186 .L4 ; save ebp | |
| 187 push ebp | |
| 188 | |
| 189 ; save count | |
| 190 push ecx | |
| 191 | |
| 192 ; unroll four times | |
| 193 shr ecx,2 | |
| 194 | |
| 195 ; point arrays to end | |
| 196 lea esi,[esi+ecx*8] | |
| 197 lea edi,[edi+ecx*8] | |
| 198 | |
| 199 ; negative counter | |
| 200 xor ebp,ebp | |
| 201 sub ebp,ecx | |
| 202 | |
| 203 .L5 mov eax,[esi+ebp*8] ; agi? | |
| 204 mov ecx,[esi+ebp*8+4] | |
| 205 | |
| 206 mov ebx,eax | |
| 207 mov edx,ecx | |
| 208 | |
| 209 and eax,0FFC0FFC0h | |
| 210 and ecx,0FFC0FFC0h | |
| 211 | |
| 212 shr eax,1 | |
| 213 and ebx,001F001Fh | |
| 214 | |
| 215 shr ecx,1 | |
| 216 and edx,001F001Fh | |
| 217 | |
| 218 add eax,ebx | |
| 219 add ecx,edx | |
| 220 | |
| 221 mov [edi+ebp*8],eax | |
| 222 mov [edi+ebp*8+4],ecx | |
| 223 | |
| 224 inc ebp | |
| 225 jnz .L5 | |
| 226 | |
| 227 ; tail | |
| 228 pop ecx | |
| 229 .L6 and ecx,BYTE 11b | |
| 230 jz .L7 | |
| 231 mov al,[esi] | |
| 232 mov ah,[esi+1] | |
| 233 mov ebx,eax | |
| 234 shr ebx,1 | |
| 235 and ebx, 0111111111100000b | |
| 236 and eax,BYTE 0000000000011111b | |
| 237 add eax,ebx | |
| 238 mov [edi],al | |
| 239 mov [edi+1],ah | |
| 240 add esi,BYTE 2 | |
| 241 add edi,BYTE 2 | |
| 242 dec ecx | |
| 243 jmp SHORT .L6 | |
| 244 | |
| 245 .L7 pop ebp | |
| 246 jmp _x86return | |
| 247 | |
| 248 | |
| 249 | |
| 250 | |
| 251 | |
| 252 | |
| 253 _ConvertX86p16_16BGR555: | |
| 254 | |
| 255 ; check short | |
| 256 cmp ecx,BYTE 16 | |
| 257 ja .L3 | |
| 258 | |
| 259 | |
| 260 .L1 ; short loop | |
| 261 mov al,[esi] | |
| 262 mov ah,[esi+1] | |
| 263 mov ebx,eax | |
| 264 mov edx,eax | |
| 265 shr eax,11 | |
| 266 and eax,BYTE 11111b | |
| 267 shr ebx,1 | |
| 268 and ebx,1111100000b | |
| 269 shl edx,10 | |
| 270 and edx,0111110000000000b | |
| 271 add eax,ebx | |
| 272 add eax,edx | |
| 273 mov [edi],al | |
| 274 mov [edi+1],ah | |
| 275 add esi,BYTE 2 | |
| 276 add edi,BYTE 2 | |
| 277 dec ecx | |
| 278 jnz .L1 | |
| 279 .L2 | |
| 280 jmp _x86return | |
| 281 | |
| 282 .L3 ; head | |
| 283 mov eax,edi | |
| 284 and eax,BYTE 11b | |
| 285 jz .L4 | |
| 286 mov al,[esi] | |
| 287 mov ah,[esi+1] | |
| 288 mov ebx,eax | |
| 289 mov edx,eax | |
| 290 shr eax,11 | |
| 291 and eax,BYTE 11111b | |
| 292 shr ebx,1 | |
| 293 and ebx,1111100000b | |
| 294 shl edx,10 | |
| 295 and edx,0111110000000000b | |
| 296 add eax,ebx | |
| 297 add eax,edx | |
| 298 mov [edi],al | |
| 299 mov [edi+1],ah | |
| 300 add esi,BYTE 2 | |
| 301 add edi,BYTE 2 | |
| 302 dec ecx | |
| 303 | |
| 304 .L4 ; save count | |
| 305 push ecx | |
| 306 | |
| 307 ; unroll twice | |
| 308 shr ecx,1 | |
| 309 | |
| 310 ; point arrays to end | |
| 311 lea esi,[esi+ecx*4] | |
| 312 lea edi,[edi+ecx*4] | |
| 313 | |
| 314 ; negative counter | |
| 315 neg ecx | |
| 316 jmp SHORT .L6 | |
| 317 | |
| 318 .L5 mov [edi+ecx*4-4],eax | |
| 319 .L6 mov eax,[esi+ecx*4] | |
| 320 | |
| 321 shr eax,1 | |
| 322 mov ebx,[esi+ecx*4] | |
| 323 | |
| 324 and eax,03E003E0h | |
| 325 mov edx,[esi+ecx*4] | |
| 326 | |
| 327 and ebx,0F800F800h | |
| 328 | |
| 329 shr ebx,11 | |
| 330 and edx,001F001Fh | |
| 331 | |
| 332 shl edx,10 | |
| 333 add eax,ebx | |
| 334 | |
| 335 add eax,edx | |
| 336 inc ecx | |
| 337 | |
| 338 jnz .L5 | |
| 339 | |
| 340 mov [edi+ecx*4-4],eax | |
| 341 | |
| 342 ; tail | |
| 343 pop ecx | |
| 344 and ecx,BYTE 1 | |
| 345 jz .L7 | |
| 346 mov al,[esi] | |
| 347 mov ah,[esi+1] | |
| 348 mov ebx,eax | |
| 349 mov edx,eax | |
| 350 shr eax,11 | |
| 351 and eax,BYTE 11111b | |
| 352 shr ebx,1 | |
| 353 and ebx,1111100000b | |
| 354 shl edx,10 | |
| 355 and edx,0111110000000000b | |
| 356 add eax,ebx | |
| 357 add eax,edx | |
| 358 mov [edi],al | |
| 359 mov [edi+1],ah | |
| 360 add esi,BYTE 2 | |
| 361 add edi,BYTE 2 | |
| 362 | |
| 363 .L7 | |
| 364 jmp _x86return | |
| 365 | |
| 366 | |
| 367 | |
| 368 | |
| 369 | |
| 370 | |
| 371 _ConvertX86p16_8RGB332: | |
| 372 | |
| 373 ; check short | |
| 374 cmp ecx,BYTE 16 | |
| 375 ja .L3 | |
| 376 | |
| 377 | |
| 378 .L1 ; short loop | |
| 379 mov al,[esi+0] | |
| 380 mov ah,[esi+1] | |
| 381 mov ebx,eax | |
| 382 mov edx,eax | |
| 383 and eax,BYTE 11000b ; blue | |
| 384 shr eax,3 | |
| 385 and ebx,11100000000b ; green | |
| 386 shr ebx,6 | |
| 387 and edx,1110000000000000b ; red | |
| 388 shr edx,8 | |
| 389 add eax,ebx | |
| 390 add eax,edx | |
| 391 mov [edi],al | |
| 392 add esi,BYTE 2 | |
| 393 inc edi | |
| 394 dec ecx | |
| 395 jnz .L1 | |
| 396 .L2 | |
| 397 jmp _x86return | |
| 398 | |
| 399 .L3 mov eax,edi | |
| 400 and eax,BYTE 11b | |
| 401 jz .L4 | |
| 402 mov al,[esi+0] | |
| 403 mov ah,[esi+1] | |
| 404 mov ebx,eax | |
| 405 mov edx,eax | |
| 406 and eax,BYTE 11000b ; blue | |
| 407 shr eax,3 | |
| 408 and ebx,11100000000b ; green | |
| 409 shr ebx,6 | |
| 410 and edx,1110000000000000b ; red | |
| 411 shr edx,8 | |
| 412 add eax,ebx | |
| 413 add eax,edx | |
| 414 mov [edi],al | |
| 415 add esi,BYTE 2 | |
| 416 inc edi | |
| 417 dec ecx | |
| 418 jmp SHORT .L3 | |
| 419 | |
| 420 .L4 ; save ebp | |
| 421 push ebp | |
| 422 | |
| 423 ; save count | |
| 424 push ecx | |
| 425 | |
| 426 ; unroll 4 times | |
| 427 shr ecx,2 | |
| 428 | |
| 429 ; prestep | |
| 430 mov dl,[esi+0] | |
| 431 mov bl,[esi+1] | |
| 432 mov dh,[esi+2] | |
| 433 | |
| 434 .L5 shl edx,16 | |
| 435 mov bh,[esi+3] | |
| 436 | |
| 437 shl ebx,16 | |
| 438 mov dl,[esi+4] | |
| 439 | |
| 440 mov dh,[esi+6] | |
| 441 mov bl,[esi+5] | |
| 442 | |
| 443 and edx,00011000000110000001100000011000b | |
| 444 mov bh,[esi+7] | |
| 445 | |
| 446 ror edx,16+3 | |
| 447 mov eax,ebx ; setup eax for reds | |
| 448 | |
| 449 and ebx,00000111000001110000011100000111b | |
| 450 and eax,11100000111000001110000011100000b ; reds | |
| 451 | |
| 452 ror ebx,16-2 | |
| 453 add esi,BYTE 8 | |
| 454 | |
| 455 ror eax,16 | |
| 456 add edi,BYTE 4 | |
| 457 | |
| 458 add eax,ebx | |
| 459 mov bl,[esi+1] ; greens | |
| 460 | |
| 461 add eax,edx | |
| 462 mov dl,[esi+0] ; blues | |
| 463 | |
| 464 mov [edi-4],eax | |
| 465 mov dh,[esi+2] | |
| 466 | |
| 467 dec ecx | |
| 468 jnz .L5 | |
| 469 | |
| 470 ; check tail | |
| 471 pop ecx | |
| 472 and ecx,BYTE 11b | |
| 473 jz .L7 | |
| 474 | |
| 475 .L6 ; tail | |
| 476 mov al,[esi+0] | |
| 477 mov ah,[esi+1] | |
| 478 mov ebx,eax | |
| 479 mov edx,eax | |
| 480 and eax,BYTE 11000b ; blue | |
| 481 shr eax,3 | |
| 482 and ebx,11100000000b ; green | |
| 483 shr ebx,6 | |
| 484 and edx,1110000000000000b ; red | |
| 485 shr edx,8 | |
| 486 add eax,ebx | |
| 487 add eax,edx | |
| 488 mov [edi],al | |
| 489 add esi,BYTE 2 | |
| 490 inc edi | |
| 491 dec ecx | |
| 492 jnz .L6 | |
| 493 | |
| 494 .L7 pop ebp | |
| 495 jmp _x86return | |
| 496 |