Mercurial > sdl-ios-xcode
annotate src/video/SDL_blit_N.c @ 303:767c10b9ec9f
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| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Thu, 07 Mar 2002 20:29:04 +0000 |
| parents | f6ffac90895c |
| children | c94b390687d2 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
|
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Updated copyright information for 2002
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3 Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Sam Lantinga |
| 0 | 4 |
| 5 This library is free software; you can redistribute it and/or | |
| 6 modify it under the terms of the GNU Library General Public | |
| 7 License as published by the Free Software Foundation; either | |
| 8 version 2 of the License, or (at your option) any later version. | |
| 9 | |
| 10 This library is distributed in the hope that it will be useful, | |
| 11 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 13 Library General Public License for more details. | |
| 14 | |
| 15 You should have received a copy of the GNU Library General Public | |
| 16 License along with this library; if not, write to the Free | |
| 17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| 18 | |
| 19 Sam Lantinga | |
|
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Updated the source with the correct e-mail address
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20 slouken@libsdl.org |
| 0 | 21 */ |
| 22 | |
| 23 #ifdef SAVE_RCSID | |
| 24 static char rcsid = | |
| 25 "@(#) $Id$"; | |
| 26 #endif | |
| 27 | |
| 28 #include <stdio.h> | |
| 29 | |
| 30 #include "SDL_types.h" | |
| 31 #include "SDL_video.h" | |
| 32 #include "SDL_blit.h" | |
| 33 #include "SDL_byteorder.h" | |
| 34 | |
| 35 /* Function to check the CPU flags */ | |
| 36 #define MMX_CPU 0x800000 | |
| 37 #ifdef USE_ASMBLIT | |
| 38 #define CPU_Flags() Hermes_X86_CPU() | |
| 39 #else | |
| 40 #define CPU_Flags() 0L | |
| 41 #endif | |
| 42 | |
| 43 /* Functions to blit from N-bit surfaces to other surfaces */ | |
| 44 | |
| 45 #ifdef USE_ASMBLIT | |
| 46 | |
| 47 /* Heheheh, we coerce Hermes into using SDL blit information */ | |
| 48 #define X86_ASSEMBLER | |
| 49 #define HermesConverterInterface SDL_BlitInfo | |
| 50 #define HermesClearInterface void | |
| 51 #define STACKCALL | |
| 52 typedef Uint32 int32; | |
| 53 | |
| 54 #include "HeadMMX.h" | |
| 55 #include "HeadX86.h" | |
| 56 | |
| 57 #else | |
| 58 | |
| 59 /* This is now endian dependent */ | |
| 60 #if ( SDL_BYTEORDER == SDL_LIL_ENDIAN ) | |
| 61 #define HI 1 | |
| 62 #define LO 0 | |
| 63 #else /* ( SDL_BYTEORDER == SDL_BIG_ENDIAN ) */ | |
| 64 #define HI 0 | |
| 65 #define LO 1 | |
| 66 #endif | |
| 67 | |
| 68 /* Special optimized blit for RGB 8-8-8 --> RGB 3-3-2 */ | |
| 69 #define RGB888_RGB332(dst, src) { \ | |
| 70 dst = (((src)&0x00E00000)>>16)| \ | |
| 71 (((src)&0x0000E000)>>11)| \ | |
| 72 (((src)&0x000000C0)>>6); \ | |
| 73 } | |
| 74 static void Blit_RGB888_index8(SDL_BlitInfo *info) | |
| 75 { | |
| 76 #ifndef USE_DUFFS_LOOP | |
| 77 int c; | |
| 78 #endif | |
| 79 int width, height; | |
| 80 Uint32 *src; | |
|
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Sam Lantinga <slouken@lokigames.com>
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81 const Uint8 *map; |
|
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From: "Markus F.X.J. Oberhumer"
Sam Lantinga <slouken@lokigames.com>
parents:
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82 Uint8 *dst; |
| 0 | 83 int srcskip, dstskip; |
| 84 | |
| 85 /* Set up some basic variables */ | |
| 86 width = info->d_width; | |
| 87 height = info->d_height; | |
| 88 src = (Uint32 *)info->s_pixels; | |
| 89 srcskip = info->s_skip/4; | |
| 90 dst = info->d_pixels; | |
| 91 dstskip = info->d_skip; | |
| 92 map = info->table; | |
| 93 | |
| 94 if ( map == NULL ) { | |
| 95 while ( height-- ) { | |
| 96 #ifdef USE_DUFFS_LOOP | |
| 97 DUFFS_LOOP( | |
| 98 RGB888_RGB332(*dst++, *src); | |
| 99 , width); | |
| 100 #else | |
| 101 for ( c=width/4; c; --c ) { | |
| 102 /* Pack RGB into 8bit pixel */ | |
| 103 ++src; | |
| 104 RGB888_RGB332(*dst++, *src); | |
| 105 ++src; | |
| 106 RGB888_RGB332(*dst++, *src); | |
| 107 ++src; | |
| 108 RGB888_RGB332(*dst++, *src); | |
| 109 ++src; | |
| 110 } | |
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From: "Markus F.X.J. Oberhumer"
Sam Lantinga <slouken@lokigames.com>
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changeset
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111 switch ( width & 3 ) { |
| 0 | 112 case 3: |
| 113 RGB888_RGB332(*dst++, *src); | |
| 114 ++src; | |
| 115 case 2: | |
| 116 RGB888_RGB332(*dst++, *src); | |
| 117 ++src; | |
| 118 case 1: | |
| 119 RGB888_RGB332(*dst++, *src); | |
| 120 ++src; | |
| 121 } | |
| 122 #endif /* USE_DUFFS_LOOP */ | |
| 123 src += srcskip; | |
| 124 dst += dstskip; | |
| 125 } | |
| 126 } else { | |
| 127 int pixel; | |
| 128 | |
| 129 while ( height-- ) { | |
| 130 #ifdef USE_DUFFS_LOOP | |
| 131 DUFFS_LOOP( | |
| 132 RGB888_RGB332(pixel, *src); | |
| 133 *dst++ = map[pixel]; | |
| 134 ++src; | |
| 135 , width); | |
| 136 #else | |
| 137 for ( c=width/4; c; --c ) { | |
| 138 /* Pack RGB into 8bit pixel */ | |
| 139 RGB888_RGB332(pixel, *src); | |
| 140 *dst++ = map[pixel]; | |
| 141 ++src; | |
| 142 RGB888_RGB332(pixel, *src); | |
| 143 *dst++ = map[pixel]; | |
| 144 ++src; | |
| 145 RGB888_RGB332(pixel, *src); | |
| 146 *dst++ = map[pixel]; | |
| 147 ++src; | |
| 148 RGB888_RGB332(pixel, *src); | |
| 149 *dst++ = map[pixel]; | |
| 150 ++src; | |
| 151 } | |
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91
e85e03f195b4
From: "Markus F.X.J. Oberhumer"
Sam Lantinga <slouken@lokigames.com>
parents:
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diff
changeset
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152 switch ( width & 3 ) { |
| 0 | 153 case 3: |
| 154 RGB888_RGB332(pixel, *src); | |
| 155 *dst++ = map[pixel]; | |
| 156 ++src; | |
| 157 case 2: | |
| 158 RGB888_RGB332(pixel, *src); | |
| 159 *dst++ = map[pixel]; | |
| 160 ++src; | |
| 161 case 1: | |
| 162 RGB888_RGB332(pixel, *src); | |
| 163 *dst++ = map[pixel]; | |
| 164 ++src; | |
| 165 } | |
| 166 #endif /* USE_DUFFS_LOOP */ | |
| 167 src += srcskip; | |
| 168 dst += dstskip; | |
| 169 } | |
| 170 } | |
| 171 } | |
| 172 /* Special optimized blit for RGB 8-8-8 --> RGB 5-5-5 */ | |
| 173 #define RGB888_RGB555(dst, src) { \ | |
| 174 *(Uint16 *)(dst) = (((*src)&0x00F80000)>>9)| \ | |
| 175 (((*src)&0x0000F800)>>6)| \ | |
| 176 (((*src)&0x000000F8)>>3); \ | |
| 177 } | |
| 178 #define RGB888_RGB555_TWO(dst, src) { \ | |
| 179 *(Uint32 *)(dst) = (((((src[HI])&0x00F80000)>>9)| \ | |
| 180 (((src[HI])&0x0000F800)>>6)| \ | |
| 181 (((src[HI])&0x000000F8)>>3))<<16)| \ | |
| 182 (((src[LO])&0x00F80000)>>9)| \ | |
| 183 (((src[LO])&0x0000F800)>>6)| \ | |
| 184 (((src[LO])&0x000000F8)>>3); \ | |
| 185 } | |
| 186 static void Blit_RGB888_RGB555(SDL_BlitInfo *info) | |
| 187 { | |
| 188 #ifndef USE_DUFFS_LOOP | |
| 189 int c; | |
| 190 #endif | |
| 191 int width, height; | |
| 192 Uint32 *src; | |
| 193 Uint16 *dst; | |
| 194 int srcskip, dstskip; | |
| 195 | |
| 196 /* Set up some basic variables */ | |
| 197 width = info->d_width; | |
| 198 height = info->d_height; | |
| 199 src = (Uint32 *)info->s_pixels; | |
| 200 srcskip = info->s_skip/4; | |
| 201 dst = (Uint16 *)info->d_pixels; | |
| 202 dstskip = info->d_skip/2; | |
| 203 | |
| 204 #ifdef USE_DUFFS_LOOP | |
| 205 while ( height-- ) { | |
| 206 DUFFS_LOOP( | |
| 207 RGB888_RGB555(dst, src); | |
| 208 ++src; | |
| 209 ++dst; | |
| 210 , width); | |
| 211 src += srcskip; | |
| 212 dst += dstskip; | |
| 213 } | |
| 214 #else | |
| 215 /* Memory align at 4-byte boundary, if necessary */ | |
| 216 if ( (long)dst & 0x03 ) { | |
| 217 /* Don't do anything if width is 0 */ | |
| 218 if ( width == 0 ) { | |
| 219 return; | |
| 220 } | |
| 221 --width; | |
| 222 | |
| 223 while ( height-- ) { | |
| 224 /* Perform copy alignment */ | |
| 225 RGB888_RGB555(dst, src); | |
| 226 ++src; | |
| 227 ++dst; | |
| 228 | |
| 229 /* Copy in 4 pixel chunks */ | |
| 230 for ( c=width/4; c; --c ) { | |
| 231 RGB888_RGB555_TWO(dst, src); | |
| 232 src += 2; | |
| 233 dst += 2; | |
| 234 RGB888_RGB555_TWO(dst, src); | |
| 235 src += 2; | |
| 236 dst += 2; | |
| 237 } | |
| 238 /* Get any leftovers */ | |
|
91
e85e03f195b4
From: "Markus F.X.J. Oberhumer"
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
239 switch (width & 3) { |
| 0 | 240 case 3: |
| 241 RGB888_RGB555(dst, src); | |
| 242 ++src; | |
| 243 ++dst; | |
| 244 case 2: | |
| 245 RGB888_RGB555_TWO(dst, src); | |
| 246 src += 2; | |
| 247 dst += 2; | |
| 248 break; | |
| 249 case 1: | |
| 250 RGB888_RGB555(dst, src); | |
| 251 ++src; | |
| 252 ++dst; | |
| 253 break; | |
| 254 } | |
| 255 src += srcskip; | |
| 256 dst += dstskip; | |
| 257 } | |
| 258 } else { | |
| 259 while ( height-- ) { | |
| 260 /* Copy in 4 pixel chunks */ | |
| 261 for ( c=width/4; c; --c ) { | |
| 262 RGB888_RGB555_TWO(dst, src); | |
| 263 src += 2; | |
| 264 dst += 2; | |
| 265 RGB888_RGB555_TWO(dst, src); | |
| 266 src += 2; | |
| 267 dst += 2; | |
| 268 } | |
| 269 /* Get any leftovers */ | |
|
91
e85e03f195b4
From: "Markus F.X.J. Oberhumer"
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
270 switch (width & 3) { |
| 0 | 271 case 3: |
| 272 RGB888_RGB555(dst, src); | |
| 273 ++src; | |
| 274 ++dst; | |
| 275 case 2: | |
| 276 RGB888_RGB555_TWO(dst, src); | |
| 277 src += 2; | |
| 278 dst += 2; | |
| 279 break; | |
| 280 case 1: | |
| 281 RGB888_RGB555(dst, src); | |
| 282 ++src; | |
| 283 ++dst; | |
| 284 break; | |
| 285 } | |
| 286 src += srcskip; | |
| 287 dst += dstskip; | |
| 288 } | |
| 289 } | |
| 290 #endif /* USE_DUFFS_LOOP */ | |
| 291 } | |
| 292 /* Special optimized blit for RGB 8-8-8 --> RGB 5-6-5 */ | |
| 293 #define RGB888_RGB565(dst, src) { \ | |
| 294 *(Uint16 *)(dst) = (((*src)&0x00F80000)>>8)| \ | |
| 295 (((*src)&0x0000FC00)>>5)| \ | |
| 296 (((*src)&0x000000F8)>>3); \ | |
| 297 } | |
| 298 #define RGB888_RGB565_TWO(dst, src) { \ | |
| 299 *(Uint32 *)(dst) = (((((src[HI])&0x00F80000)>>8)| \ | |
| 300 (((src[HI])&0x0000FC00)>>5)| \ | |
| 301 (((src[HI])&0x000000F8)>>3))<<16)| \ | |
| 302 (((src[LO])&0x00F80000)>>8)| \ | |
| 303 (((src[LO])&0x0000FC00)>>5)| \ | |
| 304 (((src[LO])&0x000000F8)>>3); \ | |
| 305 } | |
| 306 static void Blit_RGB888_RGB565(SDL_BlitInfo *info) | |
| 307 { | |
| 308 #ifndef USE_DUFFS_LOOP | |
| 309 int c; | |
| 310 #endif | |
| 311 int width, height; | |
| 312 Uint32 *src; | |
| 313 Uint16 *dst; | |
| 314 int srcskip, dstskip; | |
| 315 | |
| 316 /* Set up some basic variables */ | |
| 317 width = info->d_width; | |
| 318 height = info->d_height; | |
| 319 src = (Uint32 *)info->s_pixels; | |
| 320 srcskip = info->s_skip/4; | |
| 321 dst = (Uint16 *)info->d_pixels; | |
| 322 dstskip = info->d_skip/2; | |
| 323 | |
| 324 #ifdef USE_DUFFS_LOOP | |
| 325 while ( height-- ) { | |
| 326 DUFFS_LOOP( | |
| 327 RGB888_RGB565(dst, src); | |
| 328 ++src; | |
| 329 ++dst; | |
| 330 , width); | |
| 331 src += srcskip; | |
| 332 dst += dstskip; | |
| 333 } | |
| 334 #else | |
| 335 /* Memory align at 4-byte boundary, if necessary */ | |
| 336 if ( (long)dst & 0x03 ) { | |
| 337 /* Don't do anything if width is 0 */ | |
| 338 if ( width == 0 ) { | |
| 339 return; | |
| 340 } | |
| 341 --width; | |
| 342 | |
| 343 while ( height-- ) { | |
| 344 /* Perform copy alignment */ | |
| 345 RGB888_RGB565(dst, src); | |
| 346 ++src; | |
| 347 ++dst; | |
| 348 | |
| 349 /* Copy in 4 pixel chunks */ | |
| 350 for ( c=width/4; c; --c ) { | |
| 351 RGB888_RGB565_TWO(dst, src); | |
| 352 src += 2; | |
| 353 dst += 2; | |
| 354 RGB888_RGB565_TWO(dst, src); | |
| 355 src += 2; | |
| 356 dst += 2; | |
| 357 } | |
| 358 /* Get any leftovers */ | |
|
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From: "Markus F.X.J. Oberhumer"
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
359 switch (width & 3) { |
| 0 | 360 case 3: |
| 361 RGB888_RGB565(dst, src); | |
| 362 ++src; | |
| 363 ++dst; | |
| 364 case 2: | |
| 365 RGB888_RGB565_TWO(dst, src); | |
| 366 src += 2; | |
| 367 dst += 2; | |
| 368 break; | |
| 369 case 1: | |
| 370 RGB888_RGB565(dst, src); | |
| 371 ++src; | |
| 372 ++dst; | |
| 373 break; | |
| 374 } | |
| 375 src += srcskip; | |
| 376 dst += dstskip; | |
| 377 } | |
| 378 } else { | |
| 379 while ( height-- ) { | |
| 380 /* Copy in 4 pixel chunks */ | |
| 381 for ( c=width/4; c; --c ) { | |
| 382 RGB888_RGB565_TWO(dst, src); | |
| 383 src += 2; | |
| 384 dst += 2; | |
| 385 RGB888_RGB565_TWO(dst, src); | |
| 386 src += 2; | |
| 387 dst += 2; | |
| 388 } | |
| 389 /* Get any leftovers */ | |
|
91
e85e03f195b4
From: "Markus F.X.J. Oberhumer"
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
390 switch (width & 3) { |
| 0 | 391 case 3: |
| 392 RGB888_RGB565(dst, src); | |
| 393 ++src; | |
| 394 ++dst; | |
| 395 case 2: | |
| 396 RGB888_RGB565_TWO(dst, src); | |
| 397 src += 2; | |
| 398 dst += 2; | |
| 399 break; | |
| 400 case 1: | |
| 401 RGB888_RGB565(dst, src); | |
| 402 ++src; | |
| 403 ++dst; | |
| 404 break; | |
| 405 } | |
| 406 src += srcskip; | |
| 407 dst += dstskip; | |
| 408 } | |
| 409 } | |
| 410 #endif /* USE_DUFFS_LOOP */ | |
| 411 } | |
| 412 | |
| 413 #endif /* USE_ASMBLIT */ | |
| 414 | |
| 415 | |
| 416 /* Special optimized blit for RGB 5-6-5 --> 32-bit RGB surfaces */ | |
| 417 #if ( SDL_BYTEORDER == SDL_LIL_ENDIAN ) | |
| 418 #define RGB565_32(dst, src, map) (map[src[0]*2] + map[src[1]*2+1]) | |
| 419 #else /* ( SDL_BYTEORDER == SDL_BIG_ENDIAN ) */ | |
| 420 #define RGB565_32(dst, src, map) (map[src[1]*2] + map[src[0]*2+1]) | |
| 421 #endif | |
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From: "Markus F.X.J. Oberhumer"
Sam Lantinga <slouken@lokigames.com>
parents:
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diff
changeset
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422 static void Blit_RGB565_32(SDL_BlitInfo *info, const Uint32 *map) |
| 0 | 423 { |
| 424 #ifndef USE_DUFFS_LOOP | |
| 425 int c; | |
| 426 #endif | |
| 427 int width, height; | |
| 428 Uint8 *src; | |
| 429 Uint32 *dst; | |
| 430 int srcskip, dstskip; | |
| 431 | |
| 432 /* Set up some basic variables */ | |
| 433 width = info->d_width; | |
| 434 height = info->d_height; | |
| 435 src = (Uint8 *)info->s_pixels; | |
| 436 srcskip = info->s_skip; | |
| 437 dst = (Uint32 *)info->d_pixels; | |
| 438 dstskip = info->d_skip/4; | |
| 439 | |
| 440 #ifdef USE_DUFFS_LOOP | |
| 441 while ( height-- ) { | |
| 442 DUFFS_LOOP( | |
| 443 { | |
| 444 *dst++ = RGB565_32(dst, src, map); | |
| 445 src += 2; | |
| 446 }, | |
| 447 width); | |
| 448 src += srcskip; | |
| 449 dst += dstskip; | |
| 450 } | |
| 451 #else | |
| 452 while ( height-- ) { | |
| 453 /* Copy in 4 pixel chunks */ | |
| 454 for ( c=width/4; c; --c ) { | |
| 455 *dst++ = RGB565_32(dst, src, map); | |
| 456 src += 2; | |
| 457 *dst++ = RGB565_32(dst, src, map); | |
| 458 src += 2; | |
| 459 *dst++ = RGB565_32(dst, src, map); | |
| 460 src += 2; | |
| 461 *dst++ = RGB565_32(dst, src, map); | |
| 462 src += 2; | |
| 463 } | |
| 464 /* Get any leftovers */ | |
|
91
e85e03f195b4
From: "Markus F.X.J. Oberhumer"
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
465 switch (width & 3) { |
| 0 | 466 case 3: |
| 467 *dst++ = RGB565_32(dst, src, map); | |
| 468 src += 2; | |
| 469 case 2: | |
| 470 *dst++ = RGB565_32(dst, src, map); | |
| 471 src += 2; | |
| 472 case 1: | |
| 473 *dst++ = RGB565_32(dst, src, map); | |
| 474 src += 2; | |
| 475 break; | |
| 476 } | |
| 477 src += srcskip; | |
| 478 dst += dstskip; | |
| 479 } | |
| 480 #endif /* USE_DUFFS_LOOP */ | |
| 481 } | |
| 482 | |
| 483 /* Special optimized blit for RGB 5-6-5 --> ARGB 8-8-8-8 */ | |
|
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From: "Markus F.X.J. Oberhumer"
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
484 static const Uint32 RGB565_ARGB8888_LUT[512] = { |
| 0 | 485 0x00000000, 0xff000000, 0x00000008, 0xff002000, |
| 486 0x00000010, 0xff004000, 0x00000018, 0xff006100, | |
| 487 0x00000020, 0xff008100, 0x00000029, 0xff00a100, | |
| 488 0x00000031, 0xff00c200, 0x00000039, 0xff00e200, | |
| 489 0x00000041, 0xff080000, 0x0000004a, 0xff082000, | |
| 490 0x00000052, 0xff084000, 0x0000005a, 0xff086100, | |
| 491 0x00000062, 0xff088100, 0x0000006a, 0xff08a100, | |
| 492 0x00000073, 0xff08c200, 0x0000007b, 0xff08e200, | |
| 493 0x00000083, 0xff100000, 0x0000008b, 0xff102000, | |
| 494 0x00000094, 0xff104000, 0x0000009c, 0xff106100, | |
| 495 0x000000a4, 0xff108100, 0x000000ac, 0xff10a100, | |
| 496 0x000000b4, 0xff10c200, 0x000000bd, 0xff10e200, | |
| 497 0x000000c5, 0xff180000, 0x000000cd, 0xff182000, | |
| 498 0x000000d5, 0xff184000, 0x000000de, 0xff186100, | |
| 499 0x000000e6, 0xff188100, 0x000000ee, 0xff18a100, | |
| 500 0x000000f6, 0xff18c200, 0x000000ff, 0xff18e200, | |
| 501 0x00000400, 0xff200000, 0x00000408, 0xff202000, | |
| 502 0x00000410, 0xff204000, 0x00000418, 0xff206100, | |
| 503 0x00000420, 0xff208100, 0x00000429, 0xff20a100, | |
| 504 0x00000431, 0xff20c200, 0x00000439, 0xff20e200, | |
| 505 0x00000441, 0xff290000, 0x0000044a, 0xff292000, | |
| 506 0x00000452, 0xff294000, 0x0000045a, 0xff296100, | |
| 507 0x00000462, 0xff298100, 0x0000046a, 0xff29a100, | |
| 508 0x00000473, 0xff29c200, 0x0000047b, 0xff29e200, | |
| 509 0x00000483, 0xff310000, 0x0000048b, 0xff312000, | |
| 510 0x00000494, 0xff314000, 0x0000049c, 0xff316100, | |
| 511 0x000004a4, 0xff318100, 0x000004ac, 0xff31a100, | |
| 512 0x000004b4, 0xff31c200, 0x000004bd, 0xff31e200, | |
| 513 0x000004c5, 0xff390000, 0x000004cd, 0xff392000, | |
| 514 0x000004d5, 0xff394000, 0x000004de, 0xff396100, | |
| 515 0x000004e6, 0xff398100, 0x000004ee, 0xff39a100, | |
| 516 0x000004f6, 0xff39c200, 0x000004ff, 0xff39e200, | |
| 517 0x00000800, 0xff410000, 0x00000808, 0xff412000, | |
| 518 0x00000810, 0xff414000, 0x00000818, 0xff416100, | |
| 519 0x00000820, 0xff418100, 0x00000829, 0xff41a100, | |
| 520 0x00000831, 0xff41c200, 0x00000839, 0xff41e200, | |
| 521 0x00000841, 0xff4a0000, 0x0000084a, 0xff4a2000, | |
| 522 0x00000852, 0xff4a4000, 0x0000085a, 0xff4a6100, | |
| 523 0x00000862, 0xff4a8100, 0x0000086a, 0xff4aa100, | |
| 524 0x00000873, 0xff4ac200, 0x0000087b, 0xff4ae200, | |
| 525 0x00000883, 0xff520000, 0x0000088b, 0xff522000, | |
| 526 0x00000894, 0xff524000, 0x0000089c, 0xff526100, | |
| 527 0x000008a4, 0xff528100, 0x000008ac, 0xff52a100, | |
| 528 0x000008b4, 0xff52c200, 0x000008bd, 0xff52e200, | |
| 529 0x000008c5, 0xff5a0000, 0x000008cd, 0xff5a2000, | |
| 530 0x000008d5, 0xff5a4000, 0x000008de, 0xff5a6100, | |
| 531 0x000008e6, 0xff5a8100, 0x000008ee, 0xff5aa100, | |
| 532 0x000008f6, 0xff5ac200, 0x000008ff, 0xff5ae200, | |
| 533 0x00000c00, 0xff620000, 0x00000c08, 0xff622000, | |
| 534 0x00000c10, 0xff624000, 0x00000c18, 0xff626100, | |
| 535 0x00000c20, 0xff628100, 0x00000c29, 0xff62a100, | |
| 536 0x00000c31, 0xff62c200, 0x00000c39, 0xff62e200, | |
| 537 0x00000c41, 0xff6a0000, 0x00000c4a, 0xff6a2000, | |
| 538 0x00000c52, 0xff6a4000, 0x00000c5a, 0xff6a6100, | |
| 539 0x00000c62, 0xff6a8100, 0x00000c6a, 0xff6aa100, | |
| 540 0x00000c73, 0xff6ac200, 0x00000c7b, 0xff6ae200, | |
| 541 0x00000c83, 0xff730000, 0x00000c8b, 0xff732000, | |
| 542 0x00000c94, 0xff734000, 0x00000c9c, 0xff736100, | |
| 543 0x00000ca4, 0xff738100, 0x00000cac, 0xff73a100, | |
| 544 0x00000cb4, 0xff73c200, 0x00000cbd, 0xff73e200, | |
| 545 0x00000cc5, 0xff7b0000, 0x00000ccd, 0xff7b2000, | |
| 546 0x00000cd5, 0xff7b4000, 0x00000cde, 0xff7b6100, | |
| 547 0x00000ce6, 0xff7b8100, 0x00000cee, 0xff7ba100, | |
| 548 0x00000cf6, 0xff7bc200, 0x00000cff, 0xff7be200, | |
| 549 0x00001000, 0xff830000, 0x00001008, 0xff832000, | |
| 550 0x00001010, 0xff834000, 0x00001018, 0xff836100, | |
| 551 0x00001020, 0xff838100, 0x00001029, 0xff83a100, | |
| 552 0x00001031, 0xff83c200, 0x00001039, 0xff83e200, | |
| 553 0x00001041, 0xff8b0000, 0x0000104a, 0xff8b2000, | |
| 554 0x00001052, 0xff8b4000, 0x0000105a, 0xff8b6100, | |
| 555 0x00001062, 0xff8b8100, 0x0000106a, 0xff8ba100, | |
| 556 0x00001073, 0xff8bc200, 0x0000107b, 0xff8be200, | |
| 557 0x00001083, 0xff940000, 0x0000108b, 0xff942000, | |
| 558 0x00001094, 0xff944000, 0x0000109c, 0xff946100, | |
| 559 0x000010a4, 0xff948100, 0x000010ac, 0xff94a100, | |
| 560 0x000010b4, 0xff94c200, 0x000010bd, 0xff94e200, | |
| 561 0x000010c5, 0xff9c0000, 0x000010cd, 0xff9c2000, | |
| 562 0x000010d5, 0xff9c4000, 0x000010de, 0xff9c6100, | |
| 563 0x000010e6, 0xff9c8100, 0x000010ee, 0xff9ca100, | |
| 564 0x000010f6, 0xff9cc200, 0x000010ff, 0xff9ce200, | |
| 565 0x00001400, 0xffa40000, 0x00001408, 0xffa42000, | |
| 566 0x00001410, 0xffa44000, 0x00001418, 0xffa46100, | |
| 567 0x00001420, 0xffa48100, 0x00001429, 0xffa4a100, | |
| 568 0x00001431, 0xffa4c200, 0x00001439, 0xffa4e200, | |
| 569 0x00001441, 0xffac0000, 0x0000144a, 0xffac2000, | |
| 570 0x00001452, 0xffac4000, 0x0000145a, 0xffac6100, | |
| 571 0x00001462, 0xffac8100, 0x0000146a, 0xffaca100, | |
| 572 0x00001473, 0xffacc200, 0x0000147b, 0xfface200, | |
| 573 0x00001483, 0xffb40000, 0x0000148b, 0xffb42000, | |
| 574 0x00001494, 0xffb44000, 0x0000149c, 0xffb46100, | |
| 575 0x000014a4, 0xffb48100, 0x000014ac, 0xffb4a100, | |
| 576 0x000014b4, 0xffb4c200, 0x000014bd, 0xffb4e200, | |
| 577 0x000014c5, 0xffbd0000, 0x000014cd, 0xffbd2000, | |
| 578 0x000014d5, 0xffbd4000, 0x000014de, 0xffbd6100, | |
| 579 0x000014e6, 0xffbd8100, 0x000014ee, 0xffbda100, | |
| 580 0x000014f6, 0xffbdc200, 0x000014ff, 0xffbde200, | |
| 581 0x00001800, 0xffc50000, 0x00001808, 0xffc52000, | |
| 582 0x00001810, 0xffc54000, 0x00001818, 0xffc56100, | |
| 583 0x00001820, 0xffc58100, 0x00001829, 0xffc5a100, | |
| 584 0x00001831, 0xffc5c200, 0x00001839, 0xffc5e200, | |
| 585 0x00001841, 0xffcd0000, 0x0000184a, 0xffcd2000, | |
| 586 0x00001852, 0xffcd4000, 0x0000185a, 0xffcd6100, | |
| 587 0x00001862, 0xffcd8100, 0x0000186a, 0xffcda100, | |
| 588 0x00001873, 0xffcdc200, 0x0000187b, 0xffcde200, | |
| 589 0x00001883, 0xffd50000, 0x0000188b, 0xffd52000, | |
| 590 0x00001894, 0xffd54000, 0x0000189c, 0xffd56100, | |
| 591 0x000018a4, 0xffd58100, 0x000018ac, 0xffd5a100, | |
| 592 0x000018b4, 0xffd5c200, 0x000018bd, 0xffd5e200, | |
| 593 0x000018c5, 0xffde0000, 0x000018cd, 0xffde2000, | |
| 594 0x000018d5, 0xffde4000, 0x000018de, 0xffde6100, | |
| 595 0x000018e6, 0xffde8100, 0x000018ee, 0xffdea100, | |
| 596 0x000018f6, 0xffdec200, 0x000018ff, 0xffdee200, | |
| 597 0x00001c00, 0xffe60000, 0x00001c08, 0xffe62000, | |
| 598 0x00001c10, 0xffe64000, 0x00001c18, 0xffe66100, | |
| 599 0x00001c20, 0xffe68100, 0x00001c29, 0xffe6a100, | |
| 600 0x00001c31, 0xffe6c200, 0x00001c39, 0xffe6e200, | |
| 601 0x00001c41, 0xffee0000, 0x00001c4a, 0xffee2000, | |
| 602 0x00001c52, 0xffee4000, 0x00001c5a, 0xffee6100, | |
| 603 0x00001c62, 0xffee8100, 0x00001c6a, 0xffeea100, | |
| 604 0x00001c73, 0xffeec200, 0x00001c7b, 0xffeee200, | |
| 605 0x00001c83, 0xfff60000, 0x00001c8b, 0xfff62000, | |
| 606 0x00001c94, 0xfff64000, 0x00001c9c, 0xfff66100, | |
| 607 0x00001ca4, 0xfff68100, 0x00001cac, 0xfff6a100, | |
| 608 0x00001cb4, 0xfff6c200, 0x00001cbd, 0xfff6e200, | |
| 609 0x00001cc5, 0xffff0000, 0x00001ccd, 0xffff2000, | |
| 610 0x00001cd5, 0xffff4000, 0x00001cde, 0xffff6100, | |
| 611 0x00001ce6, 0xffff8100, 0x00001cee, 0xffffa100, | |
| 612 0x00001cf6, 0xffffc200, 0x00001cff, 0xffffe200 | |
| 613 }; | |
| 614 static void Blit_RGB565_ARGB8888(SDL_BlitInfo *info) | |
| 615 { | |
| 616 Blit_RGB565_32(info, RGB565_ARGB8888_LUT); | |
| 617 } | |
| 618 | |
| 619 /* Special optimized blit for RGB 5-6-5 --> ABGR 8-8-8-8 */ | |
|
91
e85e03f195b4
From: "Markus F.X.J. Oberhumer"
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
620 static const Uint32 RGB565_ABGR8888_LUT[512] = { |
| 0 | 621 0xff000000, 0x00000000, 0xff080000, 0x00002000, |
| 622 0xff100000, 0x00004000, 0xff180000, 0x00006100, | |
| 623 0xff200000, 0x00008100, 0xff290000, 0x0000a100, | |
| 624 0xff310000, 0x0000c200, 0xff390000, 0x0000e200, | |
| 625 0xff410000, 0x00000008, 0xff4a0000, 0x00002008, | |
| 626 0xff520000, 0x00004008, 0xff5a0000, 0x00006108, | |
| 627 0xff620000, 0x00008108, 0xff6a0000, 0x0000a108, | |
| 628 0xff730000, 0x0000c208, 0xff7b0000, 0x0000e208, | |
| 629 0xff830000, 0x00000010, 0xff8b0000, 0x00002010, | |
| 630 0xff940000, 0x00004010, 0xff9c0000, 0x00006110, | |
| 631 0xffa40000, 0x00008110, 0xffac0000, 0x0000a110, | |
| 632 0xffb40000, 0x0000c210, 0xffbd0000, 0x0000e210, | |
| 633 0xffc50000, 0x00000018, 0xffcd0000, 0x00002018, | |
| 634 0xffd50000, 0x00004018, 0xffde0000, 0x00006118, | |
| 635 0xffe60000, 0x00008118, 0xffee0000, 0x0000a118, | |
| 636 0xfff60000, 0x0000c218, 0xffff0000, 0x0000e218, | |
| 637 0xff000400, 0x00000020, 0xff080400, 0x00002020, | |
| 638 0xff100400, 0x00004020, 0xff180400, 0x00006120, | |
| 639 0xff200400, 0x00008120, 0xff290400, 0x0000a120, | |
| 640 0xff310400, 0x0000c220, 0xff390400, 0x0000e220, | |
| 641 0xff410400, 0x00000029, 0xff4a0400, 0x00002029, | |
| 642 0xff520400, 0x00004029, 0xff5a0400, 0x00006129, | |
| 643 0xff620400, 0x00008129, 0xff6a0400, 0x0000a129, | |
| 644 0xff730400, 0x0000c229, 0xff7b0400, 0x0000e229, | |
| 645 0xff830400, 0x00000031, 0xff8b0400, 0x00002031, | |
| 646 0xff940400, 0x00004031, 0xff9c0400, 0x00006131, | |
| 647 0xffa40400, 0x00008131, 0xffac0400, 0x0000a131, | |
| 648 0xffb40400, 0x0000c231, 0xffbd0400, 0x0000e231, | |
| 649 0xffc50400, 0x00000039, 0xffcd0400, 0x00002039, | |
| 650 0xffd50400, 0x00004039, 0xffde0400, 0x00006139, | |
| 651 0xffe60400, 0x00008139, 0xffee0400, 0x0000a139, | |
| 652 0xfff60400, 0x0000c239, 0xffff0400, 0x0000e239, | |
| 653 0xff000800, 0x00000041, 0xff080800, 0x00002041, | |
| 654 0xff100800, 0x00004041, 0xff180800, 0x00006141, | |
| 655 0xff200800, 0x00008141, 0xff290800, 0x0000a141, | |
| 656 0xff310800, 0x0000c241, 0xff390800, 0x0000e241, | |
| 657 0xff410800, 0x0000004a, 0xff4a0800, 0x0000204a, | |
| 658 0xff520800, 0x0000404a, 0xff5a0800, 0x0000614a, | |
| 659 0xff620800, 0x0000814a, 0xff6a0800, 0x0000a14a, | |
| 660 0xff730800, 0x0000c24a, 0xff7b0800, 0x0000e24a, | |
| 661 0xff830800, 0x00000052, 0xff8b0800, 0x00002052, | |
| 662 0xff940800, 0x00004052, 0xff9c0800, 0x00006152, | |
| 663 0xffa40800, 0x00008152, 0xffac0800, 0x0000a152, | |
| 664 0xffb40800, 0x0000c252, 0xffbd0800, 0x0000e252, | |
| 665 0xffc50800, 0x0000005a, 0xffcd0800, 0x0000205a, | |
| 666 0xffd50800, 0x0000405a, 0xffde0800, 0x0000615a, | |
| 667 0xffe60800, 0x0000815a, 0xffee0800, 0x0000a15a, | |
| 668 0xfff60800, 0x0000c25a, 0xffff0800, 0x0000e25a, | |
| 669 0xff000c00, 0x00000062, 0xff080c00, 0x00002062, | |
| 670 0xff100c00, 0x00004062, 0xff180c00, 0x00006162, | |
| 671 0xff200c00, 0x00008162, 0xff290c00, 0x0000a162, | |
| 672 0xff310c00, 0x0000c262, 0xff390c00, 0x0000e262, | |
| 673 0xff410c00, 0x0000006a, 0xff4a0c00, 0x0000206a, | |
| 674 0xff520c00, 0x0000406a, 0xff5a0c00, 0x0000616a, | |
| 675 0xff620c00, 0x0000816a, 0xff6a0c00, 0x0000a16a, | |
| 676 0xff730c00, 0x0000c26a, 0xff7b0c00, 0x0000e26a, | |
| 677 0xff830c00, 0x00000073, 0xff8b0c00, 0x00002073, | |
| 678 0xff940c00, 0x00004073, 0xff9c0c00, 0x00006173, | |
| 679 0xffa40c00, 0x00008173, 0xffac0c00, 0x0000a173, | |
| 680 0xffb40c00, 0x0000c273, 0xffbd0c00, 0x0000e273, | |
| 681 0xffc50c00, 0x0000007b, 0xffcd0c00, 0x0000207b, | |
| 682 0xffd50c00, 0x0000407b, 0xffde0c00, 0x0000617b, | |
| 683 0xffe60c00, 0x0000817b, 0xffee0c00, 0x0000a17b, | |
| 684 0xfff60c00, 0x0000c27b, 0xffff0c00, 0x0000e27b, | |
| 685 0xff001000, 0x00000083, 0xff081000, 0x00002083, | |
| 686 0xff101000, 0x00004083, 0xff181000, 0x00006183, | |
| 687 0xff201000, 0x00008183, 0xff291000, 0x0000a183, | |
| 688 0xff311000, 0x0000c283, 0xff391000, 0x0000e283, | |
| 689 0xff411000, 0x0000008b, 0xff4a1000, 0x0000208b, | |
| 690 0xff521000, 0x0000408b, 0xff5a1000, 0x0000618b, | |
| 691 0xff621000, 0x0000818b, 0xff6a1000, 0x0000a18b, | |
| 692 0xff731000, 0x0000c28b, 0xff7b1000, 0x0000e28b, | |
| 693 0xff831000, 0x00000094, 0xff8b1000, 0x00002094, | |
| 694 0xff941000, 0x00004094, 0xff9c1000, 0x00006194, | |
| 695 0xffa41000, 0x00008194, 0xffac1000, 0x0000a194, | |
| 696 0xffb41000, 0x0000c294, 0xffbd1000, 0x0000e294, | |
| 697 0xffc51000, 0x0000009c, 0xffcd1000, 0x0000209c, | |
| 698 0xffd51000, 0x0000409c, 0xffde1000, 0x0000619c, | |
| 699 0xffe61000, 0x0000819c, 0xffee1000, 0x0000a19c, | |
| 700 0xfff61000, 0x0000c29c, 0xffff1000, 0x0000e29c, | |
| 701 0xff001400, 0x000000a4, 0xff081400, 0x000020a4, | |
| 702 0xff101400, 0x000040a4, 0xff181400, 0x000061a4, | |
| 703 0xff201400, 0x000081a4, 0xff291400, 0x0000a1a4, | |
| 704 0xff311400, 0x0000c2a4, 0xff391400, 0x0000e2a4, | |
| 705 0xff411400, 0x000000ac, 0xff4a1400, 0x000020ac, | |
| 706 0xff521400, 0x000040ac, 0xff5a1400, 0x000061ac, | |
| 707 0xff621400, 0x000081ac, 0xff6a1400, 0x0000a1ac, | |
| 708 0xff731400, 0x0000c2ac, 0xff7b1400, 0x0000e2ac, | |
| 709 0xff831400, 0x000000b4, 0xff8b1400, 0x000020b4, | |
| 710 0xff941400, 0x000040b4, 0xff9c1400, 0x000061b4, | |
| 711 0xffa41400, 0x000081b4, 0xffac1400, 0x0000a1b4, | |
| 712 0xffb41400, 0x0000c2b4, 0xffbd1400, 0x0000e2b4, | |
| 713 0xffc51400, 0x000000bd, 0xffcd1400, 0x000020bd, | |
| 714 0xffd51400, 0x000040bd, 0xffde1400, 0x000061bd, | |
| 715 0xffe61400, 0x000081bd, 0xffee1400, 0x0000a1bd, | |
| 716 0xfff61400, 0x0000c2bd, 0xffff1400, 0x0000e2bd, | |
| 717 0xff001800, 0x000000c5, 0xff081800, 0x000020c5, | |
| 718 0xff101800, 0x000040c5, 0xff181800, 0x000061c5, | |
| 719 0xff201800, 0x000081c5, 0xff291800, 0x0000a1c5, | |
| 720 0xff311800, 0x0000c2c5, 0xff391800, 0x0000e2c5, | |
| 721 0xff411800, 0x000000cd, 0xff4a1800, 0x000020cd, | |
| 722 0xff521800, 0x000040cd, 0xff5a1800, 0x000061cd, | |
| 723 0xff621800, 0x000081cd, 0xff6a1800, 0x0000a1cd, | |
| 724 0xff731800, 0x0000c2cd, 0xff7b1800, 0x0000e2cd, | |
| 725 0xff831800, 0x000000d5, 0xff8b1800, 0x000020d5, | |
| 726 0xff941800, 0x000040d5, 0xff9c1800, 0x000061d5, | |
| 727 0xffa41800, 0x000081d5, 0xffac1800, 0x0000a1d5, | |
| 728 0xffb41800, 0x0000c2d5, 0xffbd1800, 0x0000e2d5, | |
| 729 0xffc51800, 0x000000de, 0xffcd1800, 0x000020de, | |
| 730 0xffd51800, 0x000040de, 0xffde1800, 0x000061de, | |
| 731 0xffe61800, 0x000081de, 0xffee1800, 0x0000a1de, | |
| 732 0xfff61800, 0x0000c2de, 0xffff1800, 0x0000e2de, | |
| 733 0xff001c00, 0x000000e6, 0xff081c00, 0x000020e6, | |
| 734 0xff101c00, 0x000040e6, 0xff181c00, 0x000061e6, | |
| 735 0xff201c00, 0x000081e6, 0xff291c00, 0x0000a1e6, | |
| 736 0xff311c00, 0x0000c2e6, 0xff391c00, 0x0000e2e6, | |
| 737 0xff411c00, 0x000000ee, 0xff4a1c00, 0x000020ee, | |
| 738 0xff521c00, 0x000040ee, 0xff5a1c00, 0x000061ee, | |
| 739 0xff621c00, 0x000081ee, 0xff6a1c00, 0x0000a1ee, | |
| 740 0xff731c00, 0x0000c2ee, 0xff7b1c00, 0x0000e2ee, | |
| 741 0xff831c00, 0x000000f6, 0xff8b1c00, 0x000020f6, | |
| 742 0xff941c00, 0x000040f6, 0xff9c1c00, 0x000061f6, | |
| 743 0xffa41c00, 0x000081f6, 0xffac1c00, 0x0000a1f6, | |
| 744 0xffb41c00, 0x0000c2f6, 0xffbd1c00, 0x0000e2f6, | |
| 745 0xffc51c00, 0x000000ff, 0xffcd1c00, 0x000020ff, | |
| 746 0xffd51c00, 0x000040ff, 0xffde1c00, 0x000061ff, | |
| 747 0xffe61c00, 0x000081ff, 0xffee1c00, 0x0000a1ff, | |
| 748 0xfff61c00, 0x0000c2ff, 0xffff1c00, 0x0000e2ff | |
| 749 }; | |
| 750 static void Blit_RGB565_ABGR8888(SDL_BlitInfo *info) | |
| 751 { | |
| 752 Blit_RGB565_32(info, RGB565_ABGR8888_LUT); | |
| 753 } | |
| 754 | |
| 755 /* Special optimized blit for RGB 5-6-5 --> RGBA 8-8-8-8 */ | |
|
91
e85e03f195b4
From: "Markus F.X.J. Oberhumer"
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
756 static const Uint32 RGB565_RGBA8888_LUT[512] = { |
| 0 | 757 0x000000ff, 0x00000000, 0x000008ff, 0x00200000, |
| 758 0x000010ff, 0x00400000, 0x000018ff, 0x00610000, | |
| 759 0x000020ff, 0x00810000, 0x000029ff, 0x00a10000, | |
| 760 0x000031ff, 0x00c20000, 0x000039ff, 0x00e20000, | |
| 761 0x000041ff, 0x08000000, 0x00004aff, 0x08200000, | |
| 762 0x000052ff, 0x08400000, 0x00005aff, 0x08610000, | |
| 763 0x000062ff, 0x08810000, 0x00006aff, 0x08a10000, | |
| 764 0x000073ff, 0x08c20000, 0x00007bff, 0x08e20000, | |
| 765 0x000083ff, 0x10000000, 0x00008bff, 0x10200000, | |
| 766 0x000094ff, 0x10400000, 0x00009cff, 0x10610000, | |
| 767 0x0000a4ff, 0x10810000, 0x0000acff, 0x10a10000, | |
| 768 0x0000b4ff, 0x10c20000, 0x0000bdff, 0x10e20000, | |
| 769 0x0000c5ff, 0x18000000, 0x0000cdff, 0x18200000, | |
| 770 0x0000d5ff, 0x18400000, 0x0000deff, 0x18610000, | |
| 771 0x0000e6ff, 0x18810000, 0x0000eeff, 0x18a10000, | |
| 772 0x0000f6ff, 0x18c20000, 0x0000ffff, 0x18e20000, | |
| 773 0x000400ff, 0x20000000, 0x000408ff, 0x20200000, | |
| 774 0x000410ff, 0x20400000, 0x000418ff, 0x20610000, | |
| 775 0x000420ff, 0x20810000, 0x000429ff, 0x20a10000, | |
| 776 0x000431ff, 0x20c20000, 0x000439ff, 0x20e20000, | |
| 777 0x000441ff, 0x29000000, 0x00044aff, 0x29200000, | |
| 778 0x000452ff, 0x29400000, 0x00045aff, 0x29610000, | |
| 779 0x000462ff, 0x29810000, 0x00046aff, 0x29a10000, | |
| 780 0x000473ff, 0x29c20000, 0x00047bff, 0x29e20000, | |
| 781 0x000483ff, 0x31000000, 0x00048bff, 0x31200000, | |
| 782 0x000494ff, 0x31400000, 0x00049cff, 0x31610000, | |
| 783 0x0004a4ff, 0x31810000, 0x0004acff, 0x31a10000, | |
| 784 0x0004b4ff, 0x31c20000, 0x0004bdff, 0x31e20000, | |
| 785 0x0004c5ff, 0x39000000, 0x0004cdff, 0x39200000, | |
| 786 0x0004d5ff, 0x39400000, 0x0004deff, 0x39610000, | |
| 787 0x0004e6ff, 0x39810000, 0x0004eeff, 0x39a10000, | |
| 788 0x0004f6ff, 0x39c20000, 0x0004ffff, 0x39e20000, | |
| 789 0x000800ff, 0x41000000, 0x000808ff, 0x41200000, | |
| 790 0x000810ff, 0x41400000, 0x000818ff, 0x41610000, | |
| 791 0x000820ff, 0x41810000, 0x000829ff, 0x41a10000, | |
| 792 0x000831ff, 0x41c20000, 0x000839ff, 0x41e20000, | |
| 793 0x000841ff, 0x4a000000, 0x00084aff, 0x4a200000, | |
| 794 0x000852ff, 0x4a400000, 0x00085aff, 0x4a610000, | |
| 795 0x000862ff, 0x4a810000, 0x00086aff, 0x4aa10000, | |
| 796 0x000873ff, 0x4ac20000, 0x00087bff, 0x4ae20000, | |
| 797 0x000883ff, 0x52000000, 0x00088bff, 0x52200000, | |
| 798 0x000894ff, 0x52400000, 0x00089cff, 0x52610000, | |
| 799 0x0008a4ff, 0x52810000, 0x0008acff, 0x52a10000, | |
| 800 0x0008b4ff, 0x52c20000, 0x0008bdff, 0x52e20000, | |
| 801 0x0008c5ff, 0x5a000000, 0x0008cdff, 0x5a200000, | |
| 802 0x0008d5ff, 0x5a400000, 0x0008deff, 0x5a610000, | |
| 803 0x0008e6ff, 0x5a810000, 0x0008eeff, 0x5aa10000, | |
| 804 0x0008f6ff, 0x5ac20000, 0x0008ffff, 0x5ae20000, | |
| 805 0x000c00ff, 0x62000000, 0x000c08ff, 0x62200000, | |
| 806 0x000c10ff, 0x62400000, 0x000c18ff, 0x62610000, | |
| 807 0x000c20ff, 0x62810000, 0x000c29ff, 0x62a10000, | |
| 808 0x000c31ff, 0x62c20000, 0x000c39ff, 0x62e20000, | |
| 809 0x000c41ff, 0x6a000000, 0x000c4aff, 0x6a200000, | |
| 810 0x000c52ff, 0x6a400000, 0x000c5aff, 0x6a610000, | |
| 811 0x000c62ff, 0x6a810000, 0x000c6aff, 0x6aa10000, | |
| 812 0x000c73ff, 0x6ac20000, 0x000c7bff, 0x6ae20000, | |
| 813 0x000c83ff, 0x73000000, 0x000c8bff, 0x73200000, | |
| 814 0x000c94ff, 0x73400000, 0x000c9cff, 0x73610000, | |
| 815 0x000ca4ff, 0x73810000, 0x000cacff, 0x73a10000, | |
| 816 0x000cb4ff, 0x73c20000, 0x000cbdff, 0x73e20000, | |
| 817 0x000cc5ff, 0x7b000000, 0x000ccdff, 0x7b200000, | |
| 818 0x000cd5ff, 0x7b400000, 0x000cdeff, 0x7b610000, | |
| 819 0x000ce6ff, 0x7b810000, 0x000ceeff, 0x7ba10000, | |
| 820 0x000cf6ff, 0x7bc20000, 0x000cffff, 0x7be20000, | |
| 821 0x001000ff, 0x83000000, 0x001008ff, 0x83200000, | |
| 822 0x001010ff, 0x83400000, 0x001018ff, 0x83610000, | |
| 823 0x001020ff, 0x83810000, 0x001029ff, 0x83a10000, | |
| 824 0x001031ff, 0x83c20000, 0x001039ff, 0x83e20000, | |
| 825 0x001041ff, 0x8b000000, 0x00104aff, 0x8b200000, | |
| 826 0x001052ff, 0x8b400000, 0x00105aff, 0x8b610000, | |
| 827 0x001062ff, 0x8b810000, 0x00106aff, 0x8ba10000, | |
| 828 0x001073ff, 0x8bc20000, 0x00107bff, 0x8be20000, | |
| 829 0x001083ff, 0x94000000, 0x00108bff, 0x94200000, | |
| 830 0x001094ff, 0x94400000, 0x00109cff, 0x94610000, | |
| 831 0x0010a4ff, 0x94810000, 0x0010acff, 0x94a10000, | |
| 832 0x0010b4ff, 0x94c20000, 0x0010bdff, 0x94e20000, | |
| 833 0x0010c5ff, 0x9c000000, 0x0010cdff, 0x9c200000, | |
| 834 0x0010d5ff, 0x9c400000, 0x0010deff, 0x9c610000, | |
| 835 0x0010e6ff, 0x9c810000, 0x0010eeff, 0x9ca10000, | |
| 836 0x0010f6ff, 0x9cc20000, 0x0010ffff, 0x9ce20000, | |
| 837 0x001400ff, 0xa4000000, 0x001408ff, 0xa4200000, | |
| 838 0x001410ff, 0xa4400000, 0x001418ff, 0xa4610000, | |
| 839 0x001420ff, 0xa4810000, 0x001429ff, 0xa4a10000, | |
| 840 0x001431ff, 0xa4c20000, 0x001439ff, 0xa4e20000, | |
| 841 0x001441ff, 0xac000000, 0x00144aff, 0xac200000, | |
| 842 0x001452ff, 0xac400000, 0x00145aff, 0xac610000, | |
| 843 0x001462ff, 0xac810000, 0x00146aff, 0xaca10000, | |
| 844 0x001473ff, 0xacc20000, 0x00147bff, 0xace20000, | |
| 845 0x001483ff, 0xb4000000, 0x00148bff, 0xb4200000, | |
| 846 0x001494ff, 0xb4400000, 0x00149cff, 0xb4610000, | |
| 847 0x0014a4ff, 0xb4810000, 0x0014acff, 0xb4a10000, | |
| 848 0x0014b4ff, 0xb4c20000, 0x0014bdff, 0xb4e20000, | |
| 849 0x0014c5ff, 0xbd000000, 0x0014cdff, 0xbd200000, | |
| 850 0x0014d5ff, 0xbd400000, 0x0014deff, 0xbd610000, | |
| 851 0x0014e6ff, 0xbd810000, 0x0014eeff, 0xbda10000, | |
| 852 0x0014f6ff, 0xbdc20000, 0x0014ffff, 0xbde20000, | |
| 853 0x001800ff, 0xc5000000, 0x001808ff, 0xc5200000, | |
| 854 0x001810ff, 0xc5400000, 0x001818ff, 0xc5610000, | |
| 855 0x001820ff, 0xc5810000, 0x001829ff, 0xc5a10000, | |
| 856 0x001831ff, 0xc5c20000, 0x001839ff, 0xc5e20000, | |
| 857 0x001841ff, 0xcd000000, 0x00184aff, 0xcd200000, | |
| 858 0x001852ff, 0xcd400000, 0x00185aff, 0xcd610000, | |
| 859 0x001862ff, 0xcd810000, 0x00186aff, 0xcda10000, | |
| 860 0x001873ff, 0xcdc20000, 0x00187bff, 0xcde20000, | |
| 861 0x001883ff, 0xd5000000, 0x00188bff, 0xd5200000, | |
| 862 0x001894ff, 0xd5400000, 0x00189cff, 0xd5610000, | |
| 863 0x0018a4ff, 0xd5810000, 0x0018acff, 0xd5a10000, | |
| 864 0x0018b4ff, 0xd5c20000, 0x0018bdff, 0xd5e20000, | |
| 865 0x0018c5ff, 0xde000000, 0x0018cdff, 0xde200000, | |
| 866 0x0018d5ff, 0xde400000, 0x0018deff, 0xde610000, | |
| 867 0x0018e6ff, 0xde810000, 0x0018eeff, 0xdea10000, | |
| 868 0x0018f6ff, 0xdec20000, 0x0018ffff, 0xdee20000, | |
| 869 0x001c00ff, 0xe6000000, 0x001c08ff, 0xe6200000, | |
| 870 0x001c10ff, 0xe6400000, 0x001c18ff, 0xe6610000, | |
| 871 0x001c20ff, 0xe6810000, 0x001c29ff, 0xe6a10000, | |
| 872 0x001c31ff, 0xe6c20000, 0x001c39ff, 0xe6e20000, | |
| 873 0x001c41ff, 0xee000000, 0x001c4aff, 0xee200000, | |
| 874 0x001c52ff, 0xee400000, 0x001c5aff, 0xee610000, | |
| 875 0x001c62ff, 0xee810000, 0x001c6aff, 0xeea10000, | |
| 876 0x001c73ff, 0xeec20000, 0x001c7bff, 0xeee20000, | |
| 877 0x001c83ff, 0xf6000000, 0x001c8bff, 0xf6200000, | |
| 878 0x001c94ff, 0xf6400000, 0x001c9cff, 0xf6610000, | |
| 879 0x001ca4ff, 0xf6810000, 0x001cacff, 0xf6a10000, | |
| 880 0x001cb4ff, 0xf6c20000, 0x001cbdff, 0xf6e20000, | |
| 881 0x001cc5ff, 0xff000000, 0x001ccdff, 0xff200000, | |
| 882 0x001cd5ff, 0xff400000, 0x001cdeff, 0xff610000, | |
| 883 0x001ce6ff, 0xff810000, 0x001ceeff, 0xffa10000, | |
| 884 0x001cf6ff, 0xffc20000, 0x001cffff, 0xffe20000, | |
| 885 }; | |
| 886 static void Blit_RGB565_RGBA8888(SDL_BlitInfo *info) | |
| 887 { | |
| 888 Blit_RGB565_32(info, RGB565_RGBA8888_LUT); | |
| 889 } | |
| 890 | |
| 891 /* Special optimized blit for RGB 5-6-5 --> BGRA 8-8-8-8 */ | |
|
91
e85e03f195b4
From: "Markus F.X.J. Oberhumer"
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
892 static const Uint32 RGB565_BGRA8888_LUT[512] = { |
| 0 | 893 0x00000000, 0x000000ff, 0x08000000, 0x002000ff, |
| 894 0x10000000, 0x004000ff, 0x18000000, 0x006100ff, | |
| 895 0x20000000, 0x008100ff, 0x29000000, 0x00a100ff, | |
| 896 0x31000000, 0x00c200ff, 0x39000000, 0x00e200ff, | |
| 897 0x41000000, 0x000008ff, 0x4a000000, 0x002008ff, | |
| 898 0x52000000, 0x004008ff, 0x5a000000, 0x006108ff, | |
| 899 0x62000000, 0x008108ff, 0x6a000000, 0x00a108ff, | |
| 900 0x73000000, 0x00c208ff, 0x7b000000, 0x00e208ff, | |
| 901 0x83000000, 0x000010ff, 0x8b000000, 0x002010ff, | |
| 902 0x94000000, 0x004010ff, 0x9c000000, 0x006110ff, | |
| 903 0xa4000000, 0x008110ff, 0xac000000, 0x00a110ff, | |
| 904 0xb4000000, 0x00c210ff, 0xbd000000, 0x00e210ff, | |
| 905 0xc5000000, 0x000018ff, 0xcd000000, 0x002018ff, | |
| 906 0xd5000000, 0x004018ff, 0xde000000, 0x006118ff, | |
| 907 0xe6000000, 0x008118ff, 0xee000000, 0x00a118ff, | |
| 908 0xf6000000, 0x00c218ff, 0xff000000, 0x00e218ff, | |
| 909 0x00040000, 0x000020ff, 0x08040000, 0x002020ff, | |
| 910 0x10040000, 0x004020ff, 0x18040000, 0x006120ff, | |
| 911 0x20040000, 0x008120ff, 0x29040000, 0x00a120ff, | |
| 912 0x31040000, 0x00c220ff, 0x39040000, 0x00e220ff, | |
| 913 0x41040000, 0x000029ff, 0x4a040000, 0x002029ff, | |
| 914 0x52040000, 0x004029ff, 0x5a040000, 0x006129ff, | |
| 915 0x62040000, 0x008129ff, 0x6a040000, 0x00a129ff, | |
| 916 0x73040000, 0x00c229ff, 0x7b040000, 0x00e229ff, | |
| 917 0x83040000, 0x000031ff, 0x8b040000, 0x002031ff, | |
| 918 0x94040000, 0x004031ff, 0x9c040000, 0x006131ff, | |
| 919 0xa4040000, 0x008131ff, 0xac040000, 0x00a131ff, | |
| 920 0xb4040000, 0x00c231ff, 0xbd040000, 0x00e231ff, | |
| 921 0xc5040000, 0x000039ff, 0xcd040000, 0x002039ff, | |
| 922 0xd5040000, 0x004039ff, 0xde040000, 0x006139ff, | |
| 923 0xe6040000, 0x008139ff, 0xee040000, 0x00a139ff, | |
| 924 0xf6040000, 0x00c239ff, 0xff040000, 0x00e239ff, | |
| 925 0x00080000, 0x000041ff, 0x08080000, 0x002041ff, | |
| 926 0x10080000, 0x004041ff, 0x18080000, 0x006141ff, | |
| 927 0x20080000, 0x008141ff, 0x29080000, 0x00a141ff, | |
| 928 0x31080000, 0x00c241ff, 0x39080000, 0x00e241ff, | |
| 929 0x41080000, 0x00004aff, 0x4a080000, 0x00204aff, | |
| 930 0x52080000, 0x00404aff, 0x5a080000, 0x00614aff, | |
| 931 0x62080000, 0x00814aff, 0x6a080000, 0x00a14aff, | |
| 932 0x73080000, 0x00c24aff, 0x7b080000, 0x00e24aff, | |
| 933 0x83080000, 0x000052ff, 0x8b080000, 0x002052ff, | |
| 934 0x94080000, 0x004052ff, 0x9c080000, 0x006152ff, | |
| 935 0xa4080000, 0x008152ff, 0xac080000, 0x00a152ff, | |
| 936 0xb4080000, 0x00c252ff, 0xbd080000, 0x00e252ff, | |
| 937 0xc5080000, 0x00005aff, 0xcd080000, 0x00205aff, | |
| 938 0xd5080000, 0x00405aff, 0xde080000, 0x00615aff, | |
| 939 0xe6080000, 0x00815aff, 0xee080000, 0x00a15aff, | |
| 940 0xf6080000, 0x00c25aff, 0xff080000, 0x00e25aff, | |
| 941 0x000c0000, 0x000062ff, 0x080c0000, 0x002062ff, | |
| 942 0x100c0000, 0x004062ff, 0x180c0000, 0x006162ff, | |
| 943 0x200c0000, 0x008162ff, 0x290c0000, 0x00a162ff, | |
| 944 0x310c0000, 0x00c262ff, 0x390c0000, 0x00e262ff, | |
| 945 0x410c0000, 0x00006aff, 0x4a0c0000, 0x00206aff, | |
| 946 0x520c0000, 0x00406aff, 0x5a0c0000, 0x00616aff, | |
| 947 0x620c0000, 0x00816aff, 0x6a0c0000, 0x00a16aff, | |
| 948 0x730c0000, 0x00c26aff, 0x7b0c0000, 0x00e26aff, | |
| 949 0x830c0000, 0x000073ff, 0x8b0c0000, 0x002073ff, | |
| 950 0x940c0000, 0x004073ff, 0x9c0c0000, 0x006173ff, | |
| 951 0xa40c0000, 0x008173ff, 0xac0c0000, 0x00a173ff, | |
| 952 0xb40c0000, 0x00c273ff, 0xbd0c0000, 0x00e273ff, | |
| 953 0xc50c0000, 0x00007bff, 0xcd0c0000, 0x00207bff, | |
| 954 0xd50c0000, 0x00407bff, 0xde0c0000, 0x00617bff, | |
| 955 0xe60c0000, 0x00817bff, 0xee0c0000, 0x00a17bff, | |
| 956 0xf60c0000, 0x00c27bff, 0xff0c0000, 0x00e27bff, | |
| 957 0x00100000, 0x000083ff, 0x08100000, 0x002083ff, | |
| 958 0x10100000, 0x004083ff, 0x18100000, 0x006183ff, | |
| 959 0x20100000, 0x008183ff, 0x29100000, 0x00a183ff, | |
| 960 0x31100000, 0x00c283ff, 0x39100000, 0x00e283ff, | |
| 961 0x41100000, 0x00008bff, 0x4a100000, 0x00208bff, | |
| 962 0x52100000, 0x00408bff, 0x5a100000, 0x00618bff, | |
| 963 0x62100000, 0x00818bff, 0x6a100000, 0x00a18bff, | |
| 964 0x73100000, 0x00c28bff, 0x7b100000, 0x00e28bff, | |
| 965 0x83100000, 0x000094ff, 0x8b100000, 0x002094ff, | |
| 966 0x94100000, 0x004094ff, 0x9c100000, 0x006194ff, | |
| 967 0xa4100000, 0x008194ff, 0xac100000, 0x00a194ff, | |
| 968 0xb4100000, 0x00c294ff, 0xbd100000, 0x00e294ff, | |
| 969 0xc5100000, 0x00009cff, 0xcd100000, 0x00209cff, | |
| 970 0xd5100000, 0x00409cff, 0xde100000, 0x00619cff, | |
| 971 0xe6100000, 0x00819cff, 0xee100000, 0x00a19cff, | |
| 972 0xf6100000, 0x00c29cff, 0xff100000, 0x00e29cff, | |
| 973 0x00140000, 0x0000a4ff, 0x08140000, 0x0020a4ff, | |
| 974 0x10140000, 0x0040a4ff, 0x18140000, 0x0061a4ff, | |
| 975 0x20140000, 0x0081a4ff, 0x29140000, 0x00a1a4ff, | |
| 976 0x31140000, 0x00c2a4ff, 0x39140000, 0x00e2a4ff, | |
| 977 0x41140000, 0x0000acff, 0x4a140000, 0x0020acff, | |
| 978 0x52140000, 0x0040acff, 0x5a140000, 0x0061acff, | |
| 979 0x62140000, 0x0081acff, 0x6a140000, 0x00a1acff, | |
| 980 0x73140000, 0x00c2acff, 0x7b140000, 0x00e2acff, | |
| 981 0x83140000, 0x0000b4ff, 0x8b140000, 0x0020b4ff, | |
| 982 0x94140000, 0x0040b4ff, 0x9c140000, 0x0061b4ff, | |
| 983 0xa4140000, 0x0081b4ff, 0xac140000, 0x00a1b4ff, | |
| 984 0xb4140000, 0x00c2b4ff, 0xbd140000, 0x00e2b4ff, | |
| 985 0xc5140000, 0x0000bdff, 0xcd140000, 0x0020bdff, | |
| 986 0xd5140000, 0x0040bdff, 0xde140000, 0x0061bdff, | |
| 987 0xe6140000, 0x0081bdff, 0xee140000, 0x00a1bdff, | |
| 988 0xf6140000, 0x00c2bdff, 0xff140000, 0x00e2bdff, | |
| 989 0x00180000, 0x0000c5ff, 0x08180000, 0x0020c5ff, | |
| 990 0x10180000, 0x0040c5ff, 0x18180000, 0x0061c5ff, | |
| 991 0x20180000, 0x0081c5ff, 0x29180000, 0x00a1c5ff, | |
| 992 0x31180000, 0x00c2c5ff, 0x39180000, 0x00e2c5ff, | |
| 993 0x41180000, 0x0000cdff, 0x4a180000, 0x0020cdff, | |
| 994 0x52180000, 0x0040cdff, 0x5a180000, 0x0061cdff, | |
| 995 0x62180000, 0x0081cdff, 0x6a180000, 0x00a1cdff, | |
| 996 0x73180000, 0x00c2cdff, 0x7b180000, 0x00e2cdff, | |
| 997 0x83180000, 0x0000d5ff, 0x8b180000, 0x0020d5ff, | |
| 998 0x94180000, 0x0040d5ff, 0x9c180000, 0x0061d5ff, | |
| 999 0xa4180000, 0x0081d5ff, 0xac180000, 0x00a1d5ff, | |
| 1000 0xb4180000, 0x00c2d5ff, 0xbd180000, 0x00e2d5ff, | |
| 1001 0xc5180000, 0x0000deff, 0xcd180000, 0x0020deff, | |
| 1002 0xd5180000, 0x0040deff, 0xde180000, 0x0061deff, | |
| 1003 0xe6180000, 0x0081deff, 0xee180000, 0x00a1deff, | |
| 1004 0xf6180000, 0x00c2deff, 0xff180000, 0x00e2deff, | |
| 1005 0x001c0000, 0x0000e6ff, 0x081c0000, 0x0020e6ff, | |
| 1006 0x101c0000, 0x0040e6ff, 0x181c0000, 0x0061e6ff, | |
| 1007 0x201c0000, 0x0081e6ff, 0x291c0000, 0x00a1e6ff, | |
| 1008 0x311c0000, 0x00c2e6ff, 0x391c0000, 0x00e2e6ff, | |
| 1009 0x411c0000, 0x0000eeff, 0x4a1c0000, 0x0020eeff, | |
| 1010 0x521c0000, 0x0040eeff, 0x5a1c0000, 0x0061eeff, | |
| 1011 0x621c0000, 0x0081eeff, 0x6a1c0000, 0x00a1eeff, | |
| 1012 0x731c0000, 0x00c2eeff, 0x7b1c0000, 0x00e2eeff, | |
| 1013 0x831c0000, 0x0000f6ff, 0x8b1c0000, 0x0020f6ff, | |
| 1014 0x941c0000, 0x0040f6ff, 0x9c1c0000, 0x0061f6ff, | |
| 1015 0xa41c0000, 0x0081f6ff, 0xac1c0000, 0x00a1f6ff, | |
| 1016 0xb41c0000, 0x00c2f6ff, 0xbd1c0000, 0x00e2f6ff, | |
| 1017 0xc51c0000, 0x0000ffff, 0xcd1c0000, 0x0020ffff, | |
| 1018 0xd51c0000, 0x0040ffff, 0xde1c0000, 0x0061ffff, | |
| 1019 0xe61c0000, 0x0081ffff, 0xee1c0000, 0x00a1ffff, | |
| 1020 0xf61c0000, 0x00c2ffff, 0xff1c0000, 0x00e2ffff | |
| 1021 }; | |
| 1022 static void Blit_RGB565_BGRA8888(SDL_BlitInfo *info) | |
| 1023 { | |
| 1024 Blit_RGB565_32(info, RGB565_BGRA8888_LUT); | |
| 1025 } | |
| 1026 | |
| 1027 /* Special optimized blit for RGB 8-8-8 --> RGB 3-3-2 */ | |
| 1028 #ifndef RGB888_RGB332 | |
| 1029 #define RGB888_RGB332(dst, src) { \ | |
| 1030 dst = (((src)&0x00E00000)>>16)| \ | |
| 1031 (((src)&0x0000E000)>>11)| \ | |
| 1032 (((src)&0x000000C0)>>6); \ | |
| 1033 } | |
| 1034 #endif | |
| 1035 static void Blit_RGB888_index8_map(SDL_BlitInfo *info) | |
| 1036 { | |
| 1037 #ifndef USE_DUFFS_LOOP | |
| 1038 int c; | |
| 1039 #endif | |
| 1040 int pixel; | |
| 1041 int width, height; | |
| 1042 Uint32 *src; | |
|
91
e85e03f195b4
From: "Markus F.X.J. Oberhumer"
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1043 const Uint8 *map; |
|
e85e03f195b4
From: "Markus F.X.J. Oberhumer"
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1044 Uint8 *dst; |
| 0 | 1045 int srcskip, dstskip; |
| 1046 | |
| 1047 /* Set up some basic variables */ | |
| 1048 width = info->d_width; | |
| 1049 height = info->d_height; | |
| 1050 src = (Uint32 *)info->s_pixels; | |
| 1051 srcskip = info->s_skip/4; | |
| 1052 dst = info->d_pixels; | |
| 1053 dstskip = info->d_skip; | |
| 1054 map = info->table; | |
| 1055 | |
| 1056 #ifdef USE_DUFFS_LOOP | |
| 1057 while ( height-- ) { | |
| 1058 DUFFS_LOOP( | |
| 1059 RGB888_RGB332(pixel, *src); | |
| 1060 *dst++ = map[pixel]; | |
| 1061 ++src; | |
| 1062 , width); | |
| 1063 src += srcskip; | |
| 1064 dst += dstskip; | |
| 1065 } | |
| 1066 #else | |
| 1067 while ( height-- ) { | |
| 1068 for ( c=width/4; c; --c ) { | |
| 1069 /* Pack RGB into 8bit pixel */ | |
| 1070 RGB888_RGB332(pixel, *src); | |
| 1071 *dst++ = map[pixel]; | |
| 1072 ++src; | |
| 1073 RGB888_RGB332(pixel, *src); | |
| 1074 *dst++ = map[pixel]; | |
| 1075 ++src; | |
| 1076 RGB888_RGB332(pixel, *src); | |
| 1077 *dst++ = map[pixel]; | |
| 1078 ++src; | |
| 1079 RGB888_RGB332(pixel, *src); | |
| 1080 *dst++ = map[pixel]; | |
| 1081 ++src; | |
| 1082 } | |
|
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1083 switch ( width & 3 ) { |
| 0 | 1084 case 3: |
| 1085 RGB888_RGB332(pixel, *src); | |
| 1086 *dst++ = map[pixel]; | |
| 1087 ++src; | |
| 1088 case 2: | |
| 1089 RGB888_RGB332(pixel, *src); | |
| 1090 *dst++ = map[pixel]; | |
| 1091 ++src; | |
| 1092 case 1: | |
| 1093 RGB888_RGB332(pixel, *src); | |
| 1094 *dst++ = map[pixel]; | |
| 1095 ++src; | |
| 1096 } | |
| 1097 src += srcskip; | |
| 1098 dst += dstskip; | |
| 1099 } | |
| 1100 #endif /* USE_DUFFS_LOOP */ | |
| 1101 } | |
| 1102 static void BlitNto1(SDL_BlitInfo *info) | |
| 1103 { | |
| 1104 #ifndef USE_DUFFS_LOOP | |
| 1105 int c; | |
| 1106 #endif | |
| 1107 int width, height; | |
|
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1108 Uint8 *src; |
|
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|
1109 const Uint8 *map; |
|
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|
1110 Uint8 *dst; |
| 0 | 1111 int srcskip, dstskip; |
| 1112 int srcbpp; | |
| 1113 Uint32 pixel; | |
| 1114 int sR, sG, sB; | |
| 1115 SDL_PixelFormat *srcfmt; | |
| 1116 | |
| 1117 /* Set up some basic variables */ | |
| 1118 width = info->d_width; | |
| 1119 height = info->d_height; | |
| 1120 src = info->s_pixels; | |
| 1121 srcskip = info->s_skip; | |
| 1122 dst = info->d_pixels; | |
| 1123 dstskip = info->d_skip; | |
| 1124 map = info->table; | |
| 1125 srcfmt = info->src; | |
| 1126 srcbpp = srcfmt->BytesPerPixel; | |
| 1127 | |
| 1128 if ( map == NULL ) { | |
| 1129 while ( height-- ) { | |
| 1130 #ifdef USE_DUFFS_LOOP | |
| 1131 DUFFS_LOOP( | |
| 1132 DISEMBLE_RGB(src, srcbpp, srcfmt, pixel, | |
| 1133 sR, sG, sB); | |
| 1134 if ( 1 ) { | |
| 1135 /* Pack RGB into 8bit pixel */ | |
| 1136 *dst = ((sR>>5)<<(3+2))| | |
| 1137 ((sG>>5)<<(2)) | | |
| 1138 ((sB>>6)<<(0)) ; | |
| 1139 } | |
| 1140 dst++; | |
| 1141 src += srcbpp; | |
| 1142 , width); | |
| 1143 #else | |
| 1144 for ( c=width; c; --c ) { | |
| 1145 DISEMBLE_RGB(src, srcbpp, srcfmt, pixel, | |
| 1146 sR, sG, sB); | |
| 1147 if ( 1 ) { | |
| 1148 /* Pack RGB into 8bit pixel */ | |
| 1149 *dst = ((sR>>5)<<(3+2))| | |
| 1150 ((sG>>5)<<(2)) | | |
| 1151 ((sB>>6)<<(0)) ; | |
| 1152 } | |
| 1153 dst++; | |
| 1154 src += srcbpp; | |
| 1155 } | |
| 1156 #endif | |
| 1157 src += srcskip; | |
| 1158 dst += dstskip; | |
| 1159 } | |
| 1160 } else { | |
| 1161 while ( height-- ) { | |
| 1162 #ifdef USE_DUFFS_LOOP | |
| 1163 DUFFS_LOOP( | |
| 1164 DISEMBLE_RGB(src, srcbpp, srcfmt, pixel, | |
| 1165 sR, sG, sB); | |
| 1166 if ( 1 ) { | |
| 1167 /* Pack RGB into 8bit pixel */ | |
| 1168 *dst = map[((sR>>5)<<(3+2))| | |
| 1169 ((sG>>5)<<(2)) | | |
| 1170 ((sB>>6)<<(0)) ]; | |
| 1171 } | |
| 1172 dst++; | |
| 1173 src += srcbpp; | |
| 1174 , width); | |
| 1175 #else | |
| 1176 for ( c=width; c; --c ) { | |
| 1177 DISEMBLE_RGB(src, srcbpp, srcfmt, pixel, | |
| 1178 sR, sG, sB); | |
| 1179 if ( 1 ) { | |
| 1180 /* Pack RGB into 8bit pixel */ | |
| 1181 *dst = map[((sR>>5)<<(3+2))| | |
| 1182 ((sG>>5)<<(2)) | | |
| 1183 ((sB>>6)<<(0)) ]; | |
| 1184 } | |
| 1185 dst++; | |
| 1186 src += srcbpp; | |
| 1187 } | |
| 1188 #endif /* USE_DUFFS_LOOP */ | |
| 1189 src += srcskip; | |
| 1190 dst += dstskip; | |
| 1191 } | |
| 1192 } | |
| 1193 } | |
| 1194 static void BlitNtoN(SDL_BlitInfo *info) | |
| 1195 { | |
| 1196 int width = info->d_width; | |
| 1197 int height = info->d_height; | |
| 1198 Uint8 *src = info->s_pixels; | |
| 1199 int srcskip = info->s_skip; | |
| 1200 Uint8 *dst = info->d_pixels; | |
| 1201 int dstskip = info->d_skip; | |
| 1202 SDL_PixelFormat *srcfmt = info->src; | |
| 1203 int srcbpp = srcfmt->BytesPerPixel; | |
| 1204 SDL_PixelFormat *dstfmt = info->dst; | |
| 1205 int dstbpp = dstfmt->BytesPerPixel; | |
| 1206 unsigned alpha = dstfmt->Amask ? SDL_ALPHA_OPAQUE : 0; | |
| 1207 | |
| 1208 while ( height-- ) { | |
| 1209 DUFFS_LOOP( | |
| 1210 { | |
| 1211 Uint32 pixel; | |
| 1212 unsigned sR; | |
| 1213 unsigned sG; | |
| 1214 unsigned sB; | |
| 1215 DISEMBLE_RGB(src, srcbpp, srcfmt, pixel, sR, sG, sB); | |
| 1216 ASSEMBLE_RGBA(dst, dstbpp, dstfmt, sR, sG, sB, alpha); | |
| 1217 dst += dstbpp; | |
| 1218 src += srcbpp; | |
| 1219 }, | |
| 1220 width); | |
| 1221 src += srcskip; | |
| 1222 dst += dstskip; | |
| 1223 } | |
| 1224 } | |
| 1225 | |
| 1226 static void BlitNtoNCopyAlpha(SDL_BlitInfo *info) | |
| 1227 { | |
| 1228 int width = info->d_width; | |
| 1229 int height = info->d_height; | |
| 1230 Uint8 *src = info->s_pixels; | |
| 1231 int srcskip = info->s_skip; | |
| 1232 Uint8 *dst = info->d_pixels; | |
| 1233 int dstskip = info->d_skip; | |
| 1234 SDL_PixelFormat *srcfmt = info->src; | |
| 1235 int srcbpp = srcfmt->BytesPerPixel; | |
| 1236 SDL_PixelFormat *dstfmt = info->dst; | |
| 1237 int dstbpp = dstfmt->BytesPerPixel; | |
| 1238 int c; | |
| 1239 | |
| 1240 /* FIXME: should map alpha to [0..255] correctly! */ | |
| 1241 while ( height-- ) { | |
| 1242 for ( c=width; c; --c ) { | |
| 1243 Uint32 pixel; | |
| 1244 unsigned sR, sG, sB, sA; | |
| 1245 DISEMBLE_RGBA(src, srcbpp, srcfmt, pixel, | |
| 1246 sR, sG, sB, sA); | |
| 1247 ASSEMBLE_RGBA(dst, dstbpp, dstfmt, | |
| 1248 sR, sG, sB, sA); | |
| 1249 dst += dstbpp; | |
| 1250 src += srcbpp; | |
| 1251 } | |
| 1252 src += srcskip; | |
| 1253 dst += dstskip; | |
| 1254 } | |
| 1255 } | |
| 1256 | |
| 1257 static void BlitNto1Key(SDL_BlitInfo *info) | |
| 1258 { | |
| 1259 int width = info->d_width; | |
| 1260 int height = info->d_height; | |
| 1261 Uint8 *src = info->s_pixels; | |
| 1262 int srcskip = info->s_skip; | |
| 1263 Uint8 *dst = info->d_pixels; | |
| 1264 int dstskip = info->d_skip; | |
| 1265 SDL_PixelFormat *srcfmt = info->src; | |
|
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1266 const Uint8 *palmap = info->table; |
| 0 | 1267 Uint32 ckey = srcfmt->colorkey; |
| 1268 Uint32 rgbmask = ~srcfmt->Amask; | |
| 1269 int srcbpp; | |
| 1270 Uint32 pixel; | |
| 1271 Uint8 sR, sG, sB; | |
| 1272 | |
| 1273 /* Set up some basic variables */ | |
| 1274 srcbpp = srcfmt->BytesPerPixel; | |
| 1275 ckey &= rgbmask; | |
| 1276 | |
| 1277 if ( palmap == NULL ) { | |
| 1278 while ( height-- ) { | |
| 1279 DUFFS_LOOP( | |
| 1280 { | |
| 1281 DISEMBLE_RGB(src, srcbpp, srcfmt, pixel, | |
| 1282 sR, sG, sB); | |
| 1283 if ( (pixel & rgbmask) != ckey ) { | |
| 1284 /* Pack RGB into 8bit pixel */ | |
| 1285 *dst = ((sR>>5)<<(3+2))| | |
| 1286 ((sG>>5)<<(2)) | | |
| 1287 ((sB>>6)<<(0)) ; | |
| 1288 } | |
| 1289 dst++; | |
| 1290 src += srcbpp; | |
| 1291 }, | |
| 1292 width); | |
| 1293 src += srcskip; | |
| 1294 dst += dstskip; | |
| 1295 } | |
| 1296 } else { | |
| 1297 while ( height-- ) { | |
| 1298 DUFFS_LOOP( | |
| 1299 { | |
| 1300 DISEMBLE_RGB(src, srcbpp, srcfmt, pixel, | |
| 1301 sR, sG, sB); | |
| 1302 if ( (pixel & rgbmask) != ckey ) { | |
| 1303 /* Pack RGB into 8bit pixel */ | |
| 1304 *dst = palmap[((sR>>5)<<(3+2))| | |
| 1305 ((sG>>5)<<(2)) | | |
| 1306 ((sB>>6)<<(0)) ]; | |
| 1307 } | |
| 1308 dst++; | |
| 1309 src += srcbpp; | |
| 1310 }, | |
| 1311 width); | |
| 1312 src += srcskip; | |
| 1313 dst += dstskip; | |
| 1314 } | |
| 1315 } | |
| 1316 } | |
| 1317 | |
| 1318 static void Blit2to2Key(SDL_BlitInfo *info) | |
| 1319 { | |
| 1320 int width = info->d_width; | |
| 1321 int height = info->d_height; | |
| 1322 Uint16 *srcp = (Uint16 *)info->s_pixels; | |
| 1323 int srcskip = info->s_skip; | |
| 1324 Uint16 *dstp = (Uint16 *)info->d_pixels; | |
| 1325 int dstskip = info->d_skip; | |
| 1326 Uint32 ckey = info->src->colorkey; | |
| 1327 Uint32 rgbmask = ~info->src->Amask; | |
| 1328 | |
| 1329 /* Set up some basic variables */ | |
| 1330 srcskip /= 2; | |
| 1331 dstskip /= 2; | |
| 1332 ckey &= rgbmask; | |
| 1333 | |
| 1334 while ( height-- ) { | |
| 1335 DUFFS_LOOP( | |
| 1336 { | |
| 1337 if ( (*srcp & rgbmask) != ckey ) { | |
| 1338 *dstp = *srcp; | |
| 1339 } | |
| 1340 dstp++; | |
| 1341 srcp++; | |
| 1342 }, | |
| 1343 width); | |
| 1344 srcp += srcskip; | |
| 1345 dstp += dstskip; | |
| 1346 } | |
| 1347 } | |
| 1348 | |
| 1349 static void BlitNtoNKey(SDL_BlitInfo *info) | |
| 1350 { | |
| 1351 int width = info->d_width; | |
| 1352 int height = info->d_height; | |
| 1353 Uint8 *src = info->s_pixels; | |
| 1354 int srcskip = info->s_skip; | |
| 1355 Uint8 *dst = info->d_pixels; | |
| 1356 int dstskip = info->d_skip; | |
| 1357 Uint32 ckey = info->src->colorkey; | |
| 1358 SDL_PixelFormat *srcfmt = info->src; | |
| 1359 SDL_PixelFormat *dstfmt = info->dst; | |
| 1360 int srcbpp = srcfmt->BytesPerPixel; | |
| 1361 int dstbpp = dstfmt->BytesPerPixel; | |
| 1362 unsigned alpha = dstfmt->Amask ? SDL_ALPHA_OPAQUE : 0; | |
| 1363 | |
| 1364 while ( height-- ) { | |
| 1365 DUFFS_LOOP( | |
| 1366 { | |
| 1367 Uint32 pixel; | |
| 1368 unsigned sR; | |
| 1369 unsigned sG; | |
| 1370 unsigned sB; | |
| 1371 RETRIEVE_RGB_PIXEL(src, srcbpp, pixel); | |
| 1372 if ( pixel != ckey ) { | |
| 1373 RGB_FROM_PIXEL(pixel, srcfmt, sR, sG, sB); | |
| 1374 ASSEMBLE_RGBA(dst, dstbpp, dstfmt, | |
| 1375 sR, sG, sB, alpha); | |
| 1376 } | |
| 1377 dst += dstbpp; | |
| 1378 src += srcbpp; | |
| 1379 }, | |
| 1380 width); | |
| 1381 src += srcskip; | |
| 1382 dst += dstskip; | |
| 1383 } | |
| 1384 } | |
| 1385 | |
| 1386 static void BlitNtoNKeyCopyAlpha(SDL_BlitInfo *info) | |
| 1387 { | |
| 1388 int width = info->d_width; | |
| 1389 int height = info->d_height; | |
| 1390 Uint8 *src = info->s_pixels; | |
| 1391 int srcskip = info->s_skip; | |
| 1392 Uint8 *dst = info->d_pixels; | |
| 1393 int dstskip = info->d_skip; | |
| 1394 Uint32 ckey = info->src->colorkey; | |
| 1395 SDL_PixelFormat *srcfmt = info->src; | |
| 1396 SDL_PixelFormat *dstfmt = info->dst; | |
| 1397 Uint32 rgbmask = ~srcfmt->Amask; | |
| 1398 | |
| 1399 Uint8 srcbpp; | |
| 1400 Uint8 dstbpp; | |
| 1401 Uint32 pixel; | |
| 1402 Uint8 sR, sG, sB, sA; | |
| 1403 | |
| 1404 /* Set up some basic variables */ | |
| 1405 srcbpp = srcfmt->BytesPerPixel; | |
| 1406 dstbpp = dstfmt->BytesPerPixel; | |
| 1407 ckey &= rgbmask; | |
| 1408 | |
| 1409 /* FIXME: should map alpha to [0..255] correctly! */ | |
| 1410 while ( height-- ) { | |
| 1411 DUFFS_LOOP( | |
| 1412 { | |
| 1413 DISEMBLE_RGBA(src, srcbpp, srcfmt, pixel, | |
| 1414 sR, sG, sB, sA); | |
| 1415 if ( (pixel & rgbmask) != ckey ) { | |
| 1416 ASSEMBLE_RGBA(dst, dstbpp, dstfmt, | |
| 1417 sR, sG, sB, sA); | |
| 1418 } | |
| 1419 dst += dstbpp; | |
| 1420 src += srcbpp; | |
| 1421 }, | |
| 1422 width); | |
| 1423 src += srcskip; | |
| 1424 dst += dstskip; | |
| 1425 } | |
| 1426 } | |
| 1427 | |
| 1428 /* Normal N to N optimized blitters */ | |
| 1429 struct blit_table { | |
| 1430 Uint32 srcR, srcG, srcB; | |
| 1431 int dstbpp; | |
| 1432 Uint32 dstR, dstG, dstB; | |
| 1433 Uint32 cpu_flags; | |
| 1434 void *aux_data; | |
| 1435 SDL_loblit blitfunc; | |
| 1436 enum { NO_ALPHA, SET_ALPHA, COPY_ALPHA } alpha; | |
| 1437 }; | |
|
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1438 static const struct blit_table normal_blit_1[] = { |
| 0 | 1439 /* Default for 8-bit RGB source, an invalid combination */ |
| 1440 { 0,0,0, 0, 0,0,0, 0, NULL, NULL }, | |
| 1441 }; | |
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1442 static const struct blit_table normal_blit_2[] = { |
| 0 | 1443 #ifdef USE_ASMBLIT |
| 1444 { 0x0000F800,0x000007E0,0x0000001F, 2, 0x0000001F,0x000007E0,0x0000F800, | |
| 1445 0, ConvertX86p16_16BGR565, ConvertX86, NO_ALPHA }, | |
| 1446 { 0x0000F800,0x000007E0,0x0000001F, 2, 0x00007C00,0x000003E0,0x0000001F, | |
| 1447 0, ConvertX86p16_16RGB555, ConvertX86, NO_ALPHA }, | |
| 1448 { 0x0000F800,0x000007E0,0x0000001F, 2, 0x0000001F,0x000003E0,0x00007C00, | |
| 1449 0, ConvertX86p16_16BGR555, ConvertX86, NO_ALPHA }, | |
| 1450 #endif | |
| 1451 { 0x0000F800,0x000007E0,0x0000001F, 4, 0x00FF0000,0x0000FF00,0x000000FF, | |
| 1452 0, NULL, Blit_RGB565_ARGB8888, SET_ALPHA }, | |
| 1453 { 0x0000F800,0x000007E0,0x0000001F, 4, 0x000000FF,0x0000FF00,0x00FF0000, | |
| 1454 0, NULL, Blit_RGB565_ABGR8888, SET_ALPHA }, | |
| 1455 { 0x0000F800,0x000007E0,0x0000001F, 4, 0xFF000000,0x00FF0000,0x0000FF00, | |
| 1456 0, NULL, Blit_RGB565_RGBA8888, SET_ALPHA }, | |
| 1457 { 0x0000F800,0x000007E0,0x0000001F, 4, 0x0000FF00,0x00FF0000,0xFF000000, | |
| 1458 0, NULL, Blit_RGB565_BGRA8888, SET_ALPHA }, | |
| 1459 | |
| 1460 /* Default for 16-bit RGB source, used if no other blitter matches */ | |
| 1461 { 0,0,0, 0, 0,0,0, 0, NULL, BlitNtoN, 0 } | |
| 1462 }; | |
|
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1463 static const struct blit_table normal_blit_3[] = { |
| 0 | 1464 /* Default for 24-bit RGB source, never optimized */ |
| 1465 { 0,0,0, 0, 0,0,0, 0, NULL, BlitNtoN, 0 } | |
| 1466 }; | |
|
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1467 static const struct blit_table normal_blit_4[] = { |
| 0 | 1468 #ifdef USE_ASMBLIT |
| 1469 { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x0000F800,0x000007E0,0x0000001F, | |
| 1470 MMX_CPU, ConvertMMXpII32_16RGB565, ConvertMMX, NO_ALPHA }, | |
| 1471 { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x0000F800,0x000007E0,0x0000001F, | |
| 1472 0, ConvertX86p32_16RGB565, ConvertX86, NO_ALPHA }, | |
| 1473 { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x0000001F,0x000007E0,0x0000F800, | |
| 1474 MMX_CPU, ConvertMMXpII32_16BGR565, ConvertMMX, NO_ALPHA }, | |
| 1475 { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x0000001F,0x000007E0,0x0000F800, | |
| 1476 0, ConvertX86p32_16BGR565, ConvertX86, NO_ALPHA }, | |
| 1477 { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x00007C00,0x000003E0,0x0000001F, | |
| 1478 MMX_CPU, ConvertMMXpII32_16RGB555, ConvertMMX, NO_ALPHA }, | |
| 1479 { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x00007C00,0x000003E0,0x0000001F, | |
| 1480 0, ConvertX86p32_16RGB555, ConvertX86, NO_ALPHA }, | |
| 1481 { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x0000001F,0x000003E0,0x00007C00, | |
| 1482 MMX_CPU, ConvertMMXpII32_16BGR555, ConvertMMX, NO_ALPHA }, | |
| 1483 { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x0000001F,0x000003E0,0x00007C00, | |
| 1484 0, ConvertX86p32_16BGR555, ConvertX86, NO_ALPHA }, | |
| 1485 { 0x00FF0000,0x0000FF00,0x000000FF, 3, 0x00FF0000,0x0000FF00,0x000000FF, | |
| 1486 0, ConvertX86p32_24RGB888, ConvertX86, NO_ALPHA }, | |
| 1487 { 0x00FF0000,0x0000FF00,0x000000FF, 3, 0x000000FF,0x0000FF00,0x00FF0000, | |
| 1488 0, ConvertX86p32_24BGR888, ConvertX86, NO_ALPHA }, | |
| 1489 { 0x00FF0000,0x0000FF00,0x000000FF, 4, 0x000000FF,0x0000FF00,0x00FF0000, | |
| 1490 0, ConvertX86p32_32BGR888, ConvertX86, NO_ALPHA }, | |
| 1491 { 0x00FF0000,0x0000FF00,0x000000FF, 4, 0xFF000000,0x00FF0000,0x0000FF00, | |
| 1492 0, ConvertX86p32_32RGBA888, ConvertX86, NO_ALPHA }, | |
| 1493 { 0x00FF0000,0x0000FF00,0x000000FF, 4, 0x0000FF00,0x00FF0000,0xFF000000, | |
| 1494 0, ConvertX86p32_32BGRA888, ConvertX86, NO_ALPHA }, | |
| 1495 #else | |
| 1496 { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x0000F800,0x000007E0,0x0000001F, | |
| 1497 0, NULL, Blit_RGB888_RGB565, NO_ALPHA }, | |
| 1498 { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x00007C00,0x000003E0,0x0000001F, | |
| 1499 0, NULL, Blit_RGB888_RGB555, NO_ALPHA }, | |
| 1500 #endif | |
| 1501 /* Default for 32-bit RGB source, used if no other blitter matches */ | |
| 1502 { 0,0,0, 0, 0,0,0, 0, NULL, BlitNtoN, 0 } | |
| 1503 }; | |
|
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From: "Markus F.X.J. Oberhumer"
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1504 static const struct blit_table *normal_blit[] = { |
| 0 | 1505 normal_blit_1, normal_blit_2, normal_blit_3, normal_blit_4 |
| 1506 }; | |
| 1507 | |
| 1508 SDL_loblit SDL_CalculateBlitN(SDL_Surface *surface, int blit_index) | |
| 1509 { | |
| 1510 struct private_swaccel *sdata; | |
| 1511 SDL_PixelFormat *srcfmt; | |
| 1512 SDL_PixelFormat *dstfmt; | |
|
91
e85e03f195b4
From: "Markus F.X.J. Oberhumer"
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1513 const struct blit_table *table; |
| 0 | 1514 int which; |
| 1515 SDL_loblit blitfun; | |
| 1516 | |
| 1517 /* Set up data for choosing the blit */ | |
| 1518 sdata = surface->map->sw_data; | |
| 1519 srcfmt = surface->format; | |
| 1520 dstfmt = surface->map->dst->format; | |
| 1521 | |
| 1522 if ( blit_index & 2 ) { | |
| 1523 /* alpha or alpha+colorkey */ | |
| 1524 return SDL_CalculateAlphaBlit(surface, blit_index); | |
| 1525 } | |
| 1526 | |
| 1527 /* We don't support destinations less than 8-bits */ | |
| 1528 if ( dstfmt->BitsPerPixel < 8 ) { | |
| 1529 return(NULL); | |
| 1530 } | |
| 1531 | |
| 1532 if(blit_index == 1) { | |
| 1533 /* colorkey blit: Here we don't have too many options, mostly | |
| 1534 because RLE is the preferred fast way to deal with this. | |
| 1535 If a particular case turns out to be useful we'll add it. */ | |
| 1536 | |
| 1537 if(srcfmt->BytesPerPixel == 2 | |
| 1538 && surface->map->identity) | |
| 1539 return Blit2to2Key; | |
| 1540 else if(dstfmt->BytesPerPixel == 1) | |
| 1541 return BlitNto1Key; | |
| 1542 else { | |
| 1543 if(srcfmt->Amask && dstfmt->Amask) | |
| 1544 return BlitNtoNKeyCopyAlpha; | |
| 1545 else | |
| 1546 return BlitNtoNKey; | |
| 1547 } | |
| 1548 } | |
| 1549 | |
| 1550 blitfun = NULL; | |
| 1551 if ( dstfmt->BitsPerPixel == 8 ) { | |
| 1552 /* We assume 8-bit destinations are palettized */ | |
| 1553 if ( (srcfmt->BytesPerPixel == 4) && | |
| 1554 (srcfmt->Rmask == 0x00FF0000) && | |
| 1555 (srcfmt->Gmask == 0x0000FF00) && | |
| 1556 (srcfmt->Bmask == 0x000000FF) ) { | |
| 1557 if ( surface->map->table ) { | |
| 1558 blitfun = Blit_RGB888_index8_map; | |
| 1559 } else { | |
| 1560 #ifdef USE_ASMBLIT | |
| 1561 sdata->aux_data = ConvertX86p32_8RGB332; | |
| 1562 blitfun = ConvertX86; | |
| 1563 #else | |
| 1564 blitfun = Blit_RGB888_index8; | |
| 1565 #endif | |
| 1566 } | |
| 1567 } else { | |
| 1568 blitfun = BlitNto1; | |
| 1569 } | |
| 1570 } else { | |
| 1571 /* Now the meat, choose the blitter we want */ | |
| 1572 int a_need = 0; | |
| 1573 if(dstfmt->Amask) | |
| 1574 a_need = srcfmt->Amask ? COPY_ALPHA : SET_ALPHA; | |
| 1575 table = normal_blit[srcfmt->BytesPerPixel-1]; | |
| 1576 for ( which=0; table[which].srcR; ++which ) { | |
| 1577 if ( srcfmt->Rmask == table[which].srcR && | |
| 1578 srcfmt->Gmask == table[which].srcG && | |
| 1579 srcfmt->Bmask == table[which].srcB && | |
| 1580 dstfmt->BytesPerPixel == table[which].dstbpp && | |
| 1581 dstfmt->Rmask == table[which].dstR && | |
| 1582 dstfmt->Gmask == table[which].dstG && | |
| 1583 dstfmt->Bmask == table[which].dstB && | |
| 1584 (a_need & table[which].alpha) == a_need && | |
| 1585 (CPU_Flags()&table[which].cpu_flags) == | |
| 1586 table[which].cpu_flags ) | |
| 1587 break; | |
| 1588 } | |
| 1589 sdata->aux_data = table[which].aux_data; | |
| 1590 blitfun = table[which].blitfunc; | |
| 1591 if(a_need == COPY_ALPHA && blitfun == BlitNtoN) | |
| 1592 blitfun = BlitNtoNCopyAlpha; | |
| 1593 } | |
| 1594 | |
| 1595 #ifdef DEBUG_ASM | |
| 1596 #ifdef USE_ASMBLIT | |
| 1597 if ( blitfun == ConvertMMX ) | |
| 1598 fprintf(stderr, "Using mmx blit\n"); | |
| 1599 else | |
| 1600 if ( blitfun == ConvertX86 ) | |
| 1601 fprintf(stderr, "Using asm blit\n"); | |
| 1602 else | |
| 1603 #endif | |
| 1604 if ( (blitfun == SDL_BlitNtoN) || (blitfun == SDL_BlitNto1) ) | |
| 1605 fprintf(stderr, "Using C blit\n"); | |
| 1606 else | |
| 1607 fprintf(stderr, "Using optimized C blit\n"); | |
| 1608 #endif /* DEBUG_ASM */ | |
| 1609 | |
| 1610 return(blitfun); | |
| 1611 } |