Mercurial > sdl-ios-xcode
annotate src/video/cybergfx/SDL_cgximage.c @ 1003:ece5ab8acd1c
Wrong RGB24 to RGB16 conversion
| author | Patrice Mandin <patmandin@gmail.com> |
|---|---|
| date | Thu, 02 Dec 2004 23:00:28 +0000 |
| parents | b8d311d90021 |
| children | c9b51268668f |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
|
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3 Copyright (C) 1997-2004 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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20 slouken@libsdl.org |
| 0 | 21 */ |
| 22 | |
| 23 #ifdef SAVE_RCSID | |
| 24 static char rcsid = | |
| 25 "@(#) $Id$"; | |
| 26 #endif | |
| 27 | |
| 28 #include <stdlib.h> | |
| 29 | |
| 30 #include "SDL_error.h" | |
| 31 #include "SDL_endian.h" | |
| 32 #include "SDL_cgximage_c.h" | |
| 33 | |
| 34 #ifdef HAVE_KSTAT | |
| 35 #include <kstat.h> | |
| 36 #endif | |
| 37 | |
| 38 #ifdef USE_CGX_WRITELUTPIXEL | |
| 39 #if defined(__SASC) || defined(__PPC__) | |
| 40 #define WLUT WriteLUTPixelArray | |
| 41 #else | |
| 42 void WLUT(APTR a,UWORD b,UWORD c,UWORD d,struct RastPort *e,APTR f,UWORD g,UWORD h,UWORD i,UWORD l,UBYTE m) | |
| 43 { WriteLUTPixelArray(a,b,c,d,e,f,g,h,i,l,m); } | |
| 44 #endif | |
| 45 | |
| 46 #endif | |
| 47 | |
| 48 /* Various screen update functions available */ | |
| 49 static void CGX_NormalUpdate(_THIS, int numrects, SDL_Rect *rects); | |
| 50 static void CGX_FakeUpdate(_THIS, int numrects, SDL_Rect *rects); | |
| 51 | |
| 52 BOOL SafeDisp=TRUE,SafeChange=TRUE; | |
| 53 struct MsgPort *safeport=NULL,*dispport=NULL; | |
| 54 ULONG safe_sigbit,disp_sigbit; | |
|
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55 int use_picasso96=1; |
| 0 | 56 |
| 57 int CGX_SetupImage(_THIS, SDL_Surface *screen) | |
| 58 { | |
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59 SDL_Ximage=NULL; |
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60 |
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61 if(screen->flags&SDL_HWSURFACE) { |
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62 ULONG pitch; |
| 0 | 63 |
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64 if(!screen->hwdata) { |
| 0 | 65 if(!(screen->hwdata=malloc(sizeof(struct private_hwdata)))) |
| 66 return -1; | |
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67 |
| 0 | 68 D(bug("Creating system accel struct\n")); |
| 69 } | |
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70 screen->hwdata->lock=NULL; |
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71 screen->hwdata->allocated=0; |
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72 screen->hwdata->mask=NULL; |
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73 screen->hwdata->bmap=SDL_RastPort->BitMap; |
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74 screen->hwdata->videodata=this; |
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75 |
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76 if(!(screen->hwdata->lock=LockBitMapTags(screen->hwdata->bmap, |
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77 LBMI_BASEADDRESS,(ULONG)&screen->pixels, |
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78 LBMI_BYTESPERROW,(ULONG)&pitch,TAG_DONE))) { |
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79 free(screen->hwdata); |
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80 screen->hwdata=NULL; |
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81 return -1; |
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82 } |
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83 else { |
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84 UnLockBitMap(screen->hwdata->lock); |
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85 screen->hwdata->lock=NULL; |
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86 } |
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87 |
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88 screen->pitch=pitch; |
| 0 | 89 |
| 90 this->UpdateRects = CGX_FakeUpdate; | |
| 91 | |
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92 D(bug("Accel video image configured (%lx, pitch %ld).\n",screen->pixels,screen->pitch)); |
| 0 | 93 return 0; |
| 94 } | |
| 95 | |
| 96 screen->pixels = malloc(screen->h*screen->pitch); | |
| 97 | |
| 98 if ( screen->pixels == NULL ) { | |
| 99 SDL_OutOfMemory(); | |
| 100 return(-1); | |
| 101 } | |
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102 |
| 0 | 103 SDL_Ximage=screen->pixels; |
| 104 | |
| 105 if ( SDL_Ximage == NULL ) { | |
| 106 SDL_SetError("Couldn't create XImage"); | |
| 107 return(-1); | |
| 108 } | |
| 109 | |
| 110 this->UpdateRects = CGX_NormalUpdate; | |
| 111 | |
| 112 return(0); | |
| 113 } | |
| 114 | |
| 115 void CGX_DestroyImage(_THIS, SDL_Surface *screen) | |
| 116 { | |
| 117 if ( SDL_Ximage ) { | |
| 118 free(SDL_Ximage); | |
| 119 SDL_Ximage = NULL; | |
| 120 } | |
| 121 if ( screen ) { | |
| 122 screen->pixels = NULL; | |
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123 |
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124 if(screen->hwdata) { |
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125 free(screen->hwdata); |
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126 screen->hwdata=NULL; |
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127 } |
| 0 | 128 } |
| 129 } | |
| 130 | |
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131 /* This is a hack to see whether this system has more than 1 CPU */ |
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132 static int num_CPU(void) |
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133 { |
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134 return 1; |
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135 } |
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136 |
| 0 | 137 int CGX_ResizeImage(_THIS, SDL_Surface *screen, Uint32 flags) |
| 138 { | |
| 139 int retval; | |
| 140 | |
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141 D(bug("Calling ResizeImage()\n")); |
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142 |
| 0 | 143 CGX_DestroyImage(this, screen); |
| 144 | |
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145 if ( flags & SDL_OPENGL ) { /* No image when using GL */ |
| 0 | 146 retval = 0; |
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147 } else { |
| 0 | 148 retval = CGX_SetupImage(this, screen); |
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149 /* We support asynchronous blitting on the display */ |
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150 if ( flags & SDL_ASYNCBLIT ) { |
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151 if ( num_CPU() > 1 ) { |
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152 screen->flags |= SDL_ASYNCBLIT; |
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153 } |
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154 } |
| 0 | 155 } |
| 156 return(retval); | |
| 157 } | |
| 158 | |
| 159 int CGX_AllocHWSurface(_THIS, SDL_Surface *surface) | |
| 160 { | |
| 161 D(bug("Alloc HW surface...%ld x %ld x %ld!\n",surface->w,surface->h,this->hidden->depth)); | |
| 162 | |
| 163 if(surface==SDL_VideoSurface) | |
| 164 { | |
| 165 D(bug("Allocation skipped, it's system one!\n")); | |
| 166 return 0; | |
| 167 } | |
| 168 | |
| 169 if(!surface->hwdata) | |
| 170 { | |
| 171 if(!(surface->hwdata=malloc(sizeof(struct private_hwdata)))) | |
| 172 return -1; | |
| 173 } | |
| 174 | |
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175 surface->hwdata->mask=NULL; |
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176 surface->hwdata->lock=NULL; |
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177 surface->hwdata->videodata=this; |
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178 surface->hwdata->allocated=0; |
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179 |
| 0 | 180 if(surface->hwdata->bmap=AllocBitMap(surface->w,surface->h,this->hidden->depth,BMF_MINPLANES,SDL_Display->RastPort.BitMap)) |
| 181 { | |
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182 surface->hwdata->allocated=1; |
| 0 | 183 surface->flags|=SDL_HWSURFACE; |
| 184 D(bug("...OK\n")); | |
| 185 return 0; | |
| 186 } | |
| 187 else | |
| 188 { | |
| 189 free(surface->hwdata); | |
| 190 surface->hwdata=NULL; | |
| 191 } | |
| 192 | |
| 193 return(-1); | |
| 194 } | |
| 195 void CGX_FreeHWSurface(_THIS, SDL_Surface *surface) | |
| 196 { | |
| 197 if(surface && surface!=SDL_VideoSurface && surface->hwdata) | |
| 198 { | |
| 199 D(bug("Free hw surface.\n")); | |
| 200 | |
| 201 if(surface->hwdata->mask) | |
| 202 free(surface->hwdata->mask); | |
| 203 | |
|
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204 if(surface->hwdata->bmap&&surface->hwdata->allocated) |
| 0 | 205 FreeBitMap(surface->hwdata->bmap); |
| 206 | |
| 207 free(surface->hwdata); | |
| 208 surface->hwdata=NULL; | |
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209 surface->pixels=NULL; |
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210 D(bug("end of free hw surface\n")); |
| 0 | 211 } |
| 212 return; | |
| 213 } | |
| 214 | |
| 215 int CGX_LockHWSurface(_THIS, SDL_Surface *surface) | |
| 216 { | |
| 217 if (surface->hwdata) | |
| 218 { | |
| 219 // D(bug("Locking a bitmap...\n")); | |
| 220 if(!surface->hwdata->lock) | |
| 221 { | |
| 222 Uint32 pitch; | |
| 223 | |
| 224 if(!(surface->hwdata->lock=LockBitMapTags(surface->hwdata->bmap, | |
| 225 LBMI_BASEADDRESS,(ULONG)&surface->pixels, | |
| 226 LBMI_BYTESPERROW,(ULONG)&pitch,TAG_DONE))) | |
| 227 return -1; | |
| 228 | |
| 229 // surface->pitch e' a 16bit! | |
| 230 | |
| 231 surface->pitch=pitch; | |
| 232 | |
| 233 if(!currently_fullscreen&&surface==SDL_VideoSurface) | |
| 234 surface->pixels=((char *)surface->pixels)+(surface->pitch*(SDL_Window->BorderTop+SDL_Window->TopEdge)+ | |
| 235 surface->format->BytesPerPixel*(SDL_Window->BorderLeft+SDL_Window->LeftEdge)); | |
| 236 } | |
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237 D(else bug("Already locked!!!\n")); |
| 0 | 238 } |
| 239 return(0); | |
| 240 } | |
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241 |
| 0 | 242 void CGX_UnlockHWSurface(_THIS, SDL_Surface *surface) |
| 243 { | |
| 244 if(surface->hwdata && surface->hwdata->lock) | |
| 245 { | |
| 246 UnLockBitMap(surface->hwdata->lock); | |
| 247 surface->hwdata->lock=NULL; | |
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248 // surface->pixels=NULL; |
| 0 | 249 } |
| 250 } | |
| 251 | |
| 252 int CGX_FlipHWSurface(_THIS, SDL_Surface *surface) | |
| 253 { | |
| 254 static int current=0; | |
| 255 | |
| 256 if(this->hidden->dbuffer) | |
| 257 { | |
| 258 if(!SafeChange) | |
| 259 { | |
| 260 Wait(disp_sigbit); | |
| 261 // Non faccio nulla, vuoto solo la porta | |
| 262 while(GetMsg(dispport)!=NULL) | |
| 263 ; | |
| 264 SafeChange=TRUE; | |
| 265 } | |
| 266 | |
| 267 if(ChangeScreenBuffer(SDL_Display,this->hidden->SB[current^1])) | |
| 268 { | |
| 269 surface->hwdata->bmap=SDL_RastPort->BitMap=this->hidden->SB[current]->sb_BitMap; | |
| 270 SafeChange=FALSE; | |
| 271 SafeDisp=FALSE; | |
| 272 current^=1; | |
| 273 } | |
| 274 | |
| 275 if(!SafeDisp) | |
| 276 { | |
| 277 Wait(safe_sigbit); | |
| 278 while(GetMsg(safeport)!=NULL) | |
| 279 ; | |
| 280 SafeDisp=TRUE; | |
| 281 } | |
| 282 | |
| 283 } | |
| 284 return(0); | |
| 285 } | |
| 286 | |
| 287 /* Byte-swap the pixels in the display image */ | |
| 288 static void CGX_SwapAllPixels(SDL_Surface *screen) | |
| 289 { | |
| 290 int x, y; | |
| 291 | |
| 292 switch (screen->format->BytesPerPixel) { | |
| 293 case 2: { | |
| 294 Uint16 *spot; | |
| 295 for ( y=0; y<screen->h; ++y ) { | |
| 296 spot = (Uint16 *) ((Uint8 *)screen->pixels + | |
| 297 y * screen->pitch); | |
| 298 for ( x=0; x<screen->w; ++x, ++spot ) { | |
| 299 *spot = SDL_Swap16(*spot); | |
| 300 } | |
| 301 } | |
| 302 } | |
| 303 break; | |
| 304 | |
| 305 case 4: { | |
| 306 Uint32 *spot; | |
| 307 for ( y=0; y<screen->h; ++y ) { | |
| 308 spot = (Uint32 *) ((Uint8 *)screen->pixels + | |
| 309 y * screen->pitch); | |
| 310 for ( x=0; x<screen->w; ++x, ++spot ) { | |
| 311 *spot = SDL_Swap32(*spot); | |
| 312 } | |
| 313 } | |
| 314 } | |
| 315 break; | |
| 316 | |
| 317 default: | |
| 318 /* should never get here */ | |
| 319 break; | |
| 320 } | |
| 321 } | |
| 322 static void CGX_SwapPixels(SDL_Surface *screen, int numrects, SDL_Rect *rects) | |
| 323 { | |
| 324 int i; | |
| 325 int x, minx, maxx; | |
| 326 int y, miny, maxy; | |
| 327 | |
| 328 switch (screen->format->BytesPerPixel) { | |
| 329 case 2: { | |
| 330 Uint16 *spot; | |
| 331 for ( i=0; i<numrects; ++i ) { | |
| 332 minx = rects[i].x; | |
| 333 maxx = rects[i].x+rects[i].w; | |
| 334 miny = rects[i].y; | |
| 335 maxy = rects[i].y+rects[i].h; | |
| 336 for ( y=miny; y<maxy; ++y ) { | |
| 337 spot = (Uint16 *) ((Uint8 *)screen->pixels + | |
| 338 y * screen->pitch + minx * 2); | |
| 339 for ( x=minx; x<maxx; ++x, ++spot ) { | |
| 340 *spot = SDL_Swap16(*spot); | |
| 341 } | |
| 342 } | |
| 343 } | |
| 344 } | |
| 345 break; | |
| 346 | |
| 347 case 4: { | |
| 348 Uint32 *spot; | |
| 349 for ( i=0; i<numrects; ++i ) { | |
| 350 minx = rects[i].x; | |
| 351 maxx = rects[i].x+rects[i].w; | |
| 352 miny = rects[i].y; | |
| 353 maxy = rects[i].y+rects[i].h; | |
| 354 for ( y=miny; y<maxy; ++y ) { | |
| 355 spot = (Uint32 *) ((Uint8 *)screen->pixels + | |
| 356 y * screen->pitch + minx * 4); | |
| 357 for ( x=minx; x<maxx; ++x, ++spot ) { | |
| 358 *spot = SDL_Swap32(*spot); | |
| 359 } | |
| 360 } | |
| 361 } | |
| 362 } | |
| 363 break; | |
| 364 | |
| 365 default: | |
| 366 /* should never get here */ | |
| 367 break; | |
| 368 } | |
| 369 } | |
| 370 | |
| 371 #ifdef __SASC | |
| 372 | |
| 373 #define USE_WPA WritePixelArray | |
| 374 #else | |
| 375 | |
| 376 void USE_WPA(char *a,int b,int c,int d, struct RastPort *e,int f,int g, int h, int i, Uint32 l) | |
| 377 { | |
| 378 WritePixelArray(a,b,c,d,e,f,g,h,i,l); | |
| 379 } | |
| 380 | |
| 381 #endif | |
| 382 | |
| 383 static void CGX_FakeUpdate(_THIS, int numrects, SDL_Rect *rects) | |
| 384 { | |
| 385 } | |
| 386 | |
| 387 static void CGX_NormalUpdate(_THIS, int numrects, SDL_Rect *rects) | |
| 388 { | |
| 389 int i,format,customroutine=0; | |
| 390 #ifndef USE_CGX_WRITELUTPIXEL | |
| 391 int bpp; | |
| 392 #endif | |
|
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|
393 if(this->hidden->same_format && !use_picasso96) |
| 0 | 394 { |
| 395 format=RECTFMT_RAW; | |
| 396 } | |
| 397 else switch(this->screen->format->BytesPerPixel) | |
| 398 { | |
| 399 case 4: | |
| 400 format=RECTFMT_RGBA; | |
| 401 break; | |
| 402 case 3: | |
| 403 format=RECTFMT_RGB; | |
| 404 break; | |
| 405 case 2: | |
| 406 customroutine=1; | |
| 407 break; | |
| 408 case 1: | |
| 409 // D(bug("soft depth: 8 hardbpp: %ld\n",this->hidden->depth)); | |
| 410 if(this->hidden->depth>8) | |
| 411 { | |
| 412 #ifndef USE_CGX_WRITELUTPIXEL | |
| 413 if(this->hidden->depth>32) | |
| 414 customroutine=4; | |
| 415 else if(this->hidden->depth>16) | |
| 416 { | |
| 417 bpp=this->hidden->BytesPerPixel; // That one is the only one that needs bpp | |
| 418 customroutine=2; // The slow one! | |
| 419 } | |
| 420 else | |
| 421 customroutine=3; | |
| 422 #else | |
| 423 | |
| 424 customroutine=2; | |
| 425 #endif | |
| 426 | |
| 427 // format=RECTFMT_LUT8; Vecchia funzione x usare la WritePixelArray. | |
| 428 } | |
| 429 else | |
| 430 customroutine=1; | |
| 431 break; | |
| 432 default: | |
| 433 D(bug("Unable to blit this surface!\n")); | |
| 434 return; | |
| 435 } | |
| 436 | |
| 437 /* Check for endian-swapped X server, swap if necessary (VERY slow!) */ | |
| 438 if ( swap_pixels && | |
| 439 ((this->screen->format->BytesPerPixel%2) == 0) ) { | |
|
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Sam Lantinga <slouken@libsdl.org>
parents:
252
diff
changeset
|
440 D(bug("Software Swapping! SLOOOW!\n")); |
| 0 | 441 CGX_SwapPixels(this->screen, numrects, rects); |
| 442 for ( i=0; i<numrects; ++i ) { | |
| 443 if ( ! rects[i].w ) { /* Clipped? */ | |
| 444 continue; | |
| 445 } | |
| 446 USE_WPA(this->screen->pixels,rects[i].x, rects[i].y,this->screen->pitch, | |
| 447 SDL_RastPort,SDL_Window->BorderLeft+rects[i].x,SDL_Window->BorderTop+rects[i].y, | |
| 448 rects[i].w,rects[i].h,format); | |
| 449 } | |
| 450 CGX_SwapPixels(this->screen, numrects, rects); | |
| 451 } | |
| 452 else if (customroutine==2) | |
| 453 { | |
| 454 #ifdef USE_CGX_WRITELUTPIXEL | |
| 455 for ( i=0; i<numrects; ++i ) { | |
| 456 if ( ! rects[i].w ) { /* Clipped? */ | |
| 457 continue; | |
| 458 } | |
| 459 | |
| 460 WLUT(this->screen->pixels,rects[i].x, rects[i].y,this->screen->pitch, | |
| 461 SDL_RastPort,SDL_XPixels,SDL_Window->BorderLeft+rects[i].x,SDL_Window->BorderTop+rects[i].y, | |
| 462 rects[i].w,rects[i].h,CTABFMT_XRGB8); | |
| 463 } | |
| 464 #else | |
| 465 unsigned char *bm_address; | |
| 466 Uint32 destpitch; | |
| 467 APTR handle; | |
| 468 | |
| 469 if(handle=LockBitMapTags(SDL_RastPort->BitMap,LBMI_BASEADDRESS,&bm_address, | |
| 470 LBMI_BYTESPERROW,&destpitch,TAG_DONE)) | |
| 471 { | |
| 472 int srcwidth; | |
| 473 unsigned char *destbase; | |
| 474 register int j,k,t; | |
| 475 register unsigned char *mask,*dst; | |
| 476 register unsigned char *src,*dest; | |
| 477 | |
| 478 // Aggiungo il bordo della finestra se sono fullscreen. | |
| 479 if(currently_fullscreen) | |
| 480 destbase=bm_address; | |
| 481 else | |
| 482 destbase=bm_address+(SDL_Window->TopEdge+SDL_Window->BorderTop)*destpitch+(SDL_Window->BorderLeft+SDL_Window->LeftEdge)*this->hidden->BytesPerPixel; | |
| 483 | |
| 484 for ( i=0; i<numrects; ++i ) | |
| 485 { | |
| 486 srcwidth=rects[i].w; | |
| 487 | |
| 488 if ( !srcwidth ) { /* Clipped? */ | |
| 489 continue; | |
| 490 } | |
| 491 | |
| 492 dest=destbase+rects[i].x*this->hidden->BytesPerPixel; | |
| 493 dest+=(rects[i].y*destpitch); | |
| 494 src=((char *)(this->screen->pixels))+rects[i].x; | |
| 495 src+=(rects[i].y*this->screen->pitch); | |
| 496 | |
| 497 for(j=rects[i].h;j;--j) | |
| 498 { | |
| 499 dst=dest; | |
| 500 // SLOW routine, used for 8->24 bit mapping | |
| 501 for(k=0;k<srcwidth;k++) | |
| 502 { | |
| 503 mask=(unsigned char *)(&SDL_XPixels[src[k]]); | |
| 504 for(t=0;t<bpp;t++) | |
| 505 { | |
| 506 dst[t]=mask[t]; | |
| 507 } | |
| 508 dst+=bpp; | |
| 509 } | |
| 510 src+=this->screen->pitch; | |
| 511 dest+=destpitch; | |
| 512 } | |
| 513 } | |
| 514 UnLockBitMap(handle); | |
| 515 } | |
| 516 } | |
| 517 else if (customroutine==3) | |
| 518 { | |
| 519 unsigned char *bm_address; | |
| 520 Uint32 destpitch; | |
| 521 APTR handle; | |
| 522 | |
| 523 if(handle=LockBitMapTags(SDL_RastPort->BitMap,LBMI_BASEADDRESS,&bm_address, | |
| 524 LBMI_BYTESPERROW,&destpitch,TAG_DONE)) | |
| 525 { | |
| 526 int srcwidth; | |
| 527 unsigned char *destbase; | |
| 528 register int j,k; | |
| 529 register unsigned char *src,*dest; | |
| 530 register Uint16 *destl,*srcl; | |
| 531 | |
| 532 if(currently_fullscreen) | |
| 533 destbase=bm_address; | |
| 534 else | |
| 535 destbase=bm_address+(SDL_Window->TopEdge+SDL_Window->BorderTop)*destpitch+(SDL_Window->BorderLeft+SDL_Window->LeftEdge)*this->hidden->BytesPerPixel; | |
| 536 | |
| 537 for ( i=0; i<numrects; ++i ) | |
| 538 { | |
| 539 srcwidth=rects[i].w; | |
| 540 | |
| 541 if ( !srcwidth ) { /* Clipped? */ | |
| 542 continue; | |
| 543 } | |
| 544 | |
| 545 dest=destbase+rects[i].x*this->hidden->BytesPerPixel; | |
| 546 dest+=(rects[i].y*destpitch); | |
| 547 src=((char *)(this->screen->pixels))+rects[i].x; | |
| 548 src+=(rects[i].y*this->screen->pitch); | |
| 549 | |
| 550 // This is the fast, well not too slow, remapping code for 16bit displays | |
| 551 | |
| 552 for(j=rects[i].h;j;--j) | |
| 553 { | |
| 554 destl=(Uint16 *)dest; | |
| 555 | |
| 556 for(k=0;k<srcwidth;k++) | |
| 557 { | |
| 558 srcl=(Uint16 *)&SDL_XPixels[src[k]]; | |
| 559 *destl=*srcl; | |
| 560 destl++; | |
| 561 } | |
| 562 src+=this->screen->pitch; | |
| 563 dest+=destpitch; | |
| 564 } | |
| 565 } | |
| 566 UnLockBitMap(handle); | |
| 567 } | |
| 568 } | |
| 569 else if (customroutine==4) | |
| 570 { | |
| 571 unsigned char *bm_address; | |
| 572 Uint32 destpitch; | |
| 573 APTR handle; | |
| 574 | |
| 575 if(handle=LockBitMapTags(SDL_RastPort->BitMap,LBMI_BASEADDRESS,&bm_address, | |
| 576 LBMI_BYTESPERROW,&destpitch,TAG_DONE)) | |
| 577 { | |
| 578 int srcwidth; | |
| 579 unsigned char *destbase; | |
| 580 register int j,k; | |
| 581 register unsigned char *src,*dest; | |
| 582 register Uint32 *destl,*srcl; | |
| 583 | |
| 584 if(currently_fullscreen) | |
| 585 destbase=bm_address; | |
| 586 else | |
| 587 destbase=bm_address+(SDL_Window->TopEdge+SDL_Window->BorderTop)*destpitch+(SDL_Window->BorderLeft+SDL_Window->LeftEdge)*this->hidden->BytesPerPixel; | |
| 588 | |
| 589 for ( i=0; i<numrects; ++i ) | |
| 590 { | |
| 591 srcwidth=rects[i].w; | |
| 592 | |
| 593 if ( !srcwidth ) { /* Clipped? */ | |
| 594 continue; | |
| 595 } | |
| 596 | |
| 597 dest=destbase+rects[i].x*this->hidden->BytesPerPixel; | |
| 598 dest+=(rects[i].y*destpitch); | |
| 599 src=((char *)(this->screen->pixels))+rects[i].x; | |
| 600 src+=(rects[i].y*this->screen->pitch); | |
| 601 | |
| 602 // This is the fast, well not too slow, remapping code for 32bit displays | |
| 603 | |
| 604 for(j=rects[i].h;j;--j) | |
| 605 { | |
| 606 destl=(Uint32 *)dest; | |
| 607 | |
| 608 for(k=0;k<srcwidth;k++) | |
| 609 { | |
| 610 srcl=(Uint32 *)&SDL_XPixels[src[k]]; | |
| 611 *destl=*srcl; | |
| 612 destl++; | |
| 613 } | |
| 614 src+=this->screen->pitch; | |
| 615 dest+=destpitch; | |
| 616 } | |
| 617 } | |
| 618 UnLockBitMap(handle); | |
| 619 } | |
| 620 #endif | |
| 621 } | |
| 622 else if(customroutine) | |
| 623 { | |
| 624 unsigned char *bm_address; | |
| 625 Uint32 destpitch; | |
| 626 APTR handle; | |
| 627 | |
|
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Sam Lantinga <slouken@libsdl.org>
parents:
252
diff
changeset
|
628 // D(bug("Using customroutine!\n")); |
| 0 | 629 |
| 630 if(handle=LockBitMapTags(SDL_RastPort->BitMap,LBMI_BASEADDRESS,(ULONG)&bm_address, | |
| 631 LBMI_BYTESPERROW,(ULONG)&destpitch,TAG_DONE)) | |
| 632 { | |
| 633 unsigned char *destbase; | |
| 634 register int j,srcwidth; | |
| 635 register unsigned char *src,*dest; | |
| 636 | |
| 637 // Aggiungo il bordo della finestra se sono fullscreen. | |
| 638 if(currently_fullscreen) | |
| 639 destbase=bm_address; | |
| 640 else | |
| 641 destbase=bm_address+(SDL_Window->TopEdge+SDL_Window->BorderTop)*destpitch+(SDL_Window->BorderLeft+SDL_Window->LeftEdge)*this->screen->format->BytesPerPixel; | |
| 642 | |
| 643 for ( i=0; i<numrects; ++i ) | |
| 644 { | |
| 645 srcwidth=rects[i].w; | |
| 646 | |
| 647 if ( !srcwidth ) { /* Clipped? */ | |
| 648 continue; | |
| 649 } | |
| 650 | |
| 651 dest=destbase+rects[i].x*this->screen->format->BytesPerPixel; | |
| 652 dest+=(rects[i].y*destpitch); | |
| 653 src=((char *)(this->screen->pixels))+rects[i].x*this->screen->format->BytesPerPixel; | |
| 654 src+=(rects[i].y*this->screen->pitch); | |
| 655 | |
| 656 srcwidth*=this->screen->format->BytesPerPixel; | |
| 657 | |
| 658 // D(bug("Rects: %ld,%ld %ld,%ld Src:%lx Dest:%lx\n",rects[i].x,rects[i].y,rects[i].w,rects[i].h,src,dest)); | |
| 659 | |
| 660 for(j=rects[i].h;j;--j) | |
| 661 { | |
| 662 memcpy(dest,src,srcwidth); | |
| 663 src+=this->screen->pitch; | |
| 664 dest+=destpitch; | |
| 665 } | |
| 666 } | |
| 667 UnLockBitMap(handle); | |
| 668 // D(bug("Rectblit addr: %lx pitch: %ld rects:%ld srcptr: %lx srcpitch: %ld\n",bm_address,destpitch,numrects,this->screen->pixels,this->screen->pitch)); | |
| 669 } | |
| 670 } | |
| 671 else | |
| 672 { | |
| 673 for ( i=0; i<numrects; ++i ) { | |
| 674 if ( ! rects[i].w ) { /* Clipped? */ | |
| 675 continue; | |
| 676 } | |
| 677 USE_WPA(this->screen->pixels,rects[i].x, rects[i].y,this->screen->pitch, | |
| 678 SDL_RastPort,SDL_Window->BorderLeft+rects[i].x,SDL_Window->BorderTop+rects[i].y, | |
| 679 rects[i].w,rects[i].h,format); | |
| 680 } | |
| 681 } | |
| 682 } | |
| 683 | |
| 684 void CGX_RefreshDisplay(_THIS) | |
| 685 { | |
| 686 int format,customroutine=0; | |
| 687 #ifndef USE_CGX_WRITELUTPIXEL | |
| 688 int bpp; | |
| 689 #endif | |
| 690 /* Don't refresh a display that doesn't have an image (like GL) */ | |
| 691 if ( ! SDL_Ximage ) { | |
| 692 return; | |
| 693 } | |
| 694 | |
|
255
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Updated Amiga port by Gabriele Greco
Sam Lantinga <slouken@libsdl.org>
parents:
252
diff
changeset
|
695 if(this->hidden->same_format && !use_picasso96) |
| 0 | 696 { |
| 697 format=RECTFMT_RAW; | |
| 698 } | |
| 699 else switch(this->screen->format->BytesPerPixel) | |
| 700 { | |
| 701 case 4: | |
| 702 format=RECTFMT_RGBA; | |
| 703 break; | |
| 704 case 3: | |
| 705 format=RECTFMT_RGB; | |
| 706 break; | |
| 707 case 2: | |
| 708 customroutine=1; | |
| 709 break; | |
| 710 case 1: | |
| 711 // D(bug("soft depth: 8 hardbpp: %ld\n",this->hidden->depth)); | |
| 712 if(this->hidden->depth>8) | |
| 713 { | |
| 714 #ifndef USE_CGX_WRITELUTPIXEL | |
| 715 if(this->hidden->depth>32) | |
| 716 customroutine=4; | |
| 717 else if(this->hidden->depth>16) | |
| 718 { | |
| 719 bpp=this->hidden->BytesPerPixel; // That one is the only one that needs bpp | |
| 720 customroutine=2; // The slow one! | |
| 721 } | |
| 722 else | |
| 723 customroutine=3; | |
| 724 #else | |
| 725 | |
| 726 customroutine=2; | |
| 727 #endif | |
| 728 // format=RECTFMT_LUT8; | |
| 729 } | |
| 730 else | |
| 731 customroutine=1; | |
| 732 break; | |
| 733 | |
| 734 } | |
| 735 | |
| 736 /* Check for endian-swapped X server, swap if necessary */ | |
| 737 if ( swap_pixels && | |
| 738 ((this->screen->format->BytesPerPixel%2) == 0) ) { | |
| 739 CGX_SwapAllPixels(this->screen); | |
| 740 USE_WPA(this->screen->pixels,0,0,this->screen->pitch, | |
| 741 SDL_RastPort,SDL_Window->BorderLeft,SDL_Window->BorderTop, | |
| 742 this->screen->w,this->screen->h,format); | |
| 743 CGX_SwapAllPixels(this->screen); | |
| 744 } | |
| 745 else if (customroutine==2) | |
| 746 { | |
| 747 #ifdef USE_CGX_WRITELUTPIXEL | |
| 748 WLUT(this->screen->pixels,0,0,this->screen->pitch, | |
| 749 SDL_RastPort,SDL_XPixels,SDL_Window->BorderLeft,SDL_Window->BorderTop, | |
| 750 this->screen->w,this->screen->h,CTABFMT_XRGB8); | |
| 751 #else | |
| 752 unsigned char *bm_address; | |
| 753 Uint32 destpitch; | |
| 754 APTR handle; | |
| 755 | |
| 756 if(handle=LockBitMapTags(SDL_RastPort->BitMap,LBMI_BASEADDRESS,(ULONG)&bm_address, | |
| 757 LBMI_BYTESPERROW,(ULONG)&destpitch,TAG_DONE)) | |
| 758 { | |
| 759 register int j,k,t; | |
| 760 register unsigned char *mask,*dst; | |
| 761 register unsigned char *src,*dest; | |
| 762 | |
| 763 // Aggiungo il bordo della finestra se sono fullscreen. | |
| 764 if(!currently_fullscreen) | |
| 765 dest=bm_address+(SDL_Window->TopEdge+SDL_Window->BorderTop)*destpitch+(SDL_Window->BorderLeft+SDL_Window->LeftEdge)*this->hidden->BytesPerPixel; | |
| 766 else | |
| 767 dest=bm_address; | |
| 768 | |
| 769 src=this->screen->pixels; | |
| 770 | |
| 771 for(j=this->screen->h;j;--j) | |
| 772 { | |
| 773 dst=dest; | |
| 774 // SLOW routine, used for 8->24 bit mapping | |
| 775 for(k=0;k<this->screen->w;k++) | |
| 776 { | |
| 777 mask=(unsigned char *)(&SDL_XPixels[src[k]]); | |
| 778 for(t=0;t<bpp;t++) | |
| 779 { | |
| 780 dst[t]=mask[t]; | |
| 781 } | |
| 782 dst+=bpp; | |
| 783 } | |
| 784 src+=this->screen->pitch; | |
| 785 dest+=destpitch; | |
| 786 } | |
| 787 UnLockBitMap(handle); | |
| 788 } | |
| 789 } | |
| 790 else if (customroutine==3) | |
| 791 { | |
| 792 unsigned char *bm_address; | |
| 793 Uint32 destpitch; | |
| 794 APTR handle; | |
| 795 | |
| 796 if(handle=LockBitMapTags(SDL_RastPort->BitMap,LBMI_BASEADDRESS,(ULONG)&bm_address, | |
| 797 LBMI_BYTESPERROW,(ULONG)&destpitch,TAG_DONE)) | |
| 798 { | |
| 799 register int j,k; | |
| 800 register unsigned char *src,*dest; | |
| 801 register Uint16 *destl,*srcl; | |
| 802 | |
| 803 if(!currently_fullscreen) | |
| 804 dest=bm_address+(SDL_Window->TopEdge+SDL_Window->BorderTop)*destpitch+(SDL_Window->BorderLeft+SDL_Window->LeftEdge)*this->hidden->BytesPerPixel; | |
| 805 else | |
| 806 dest=bm_address; | |
| 807 | |
| 808 src=this->screen->pixels; | |
| 809 | |
| 810 // This is the fast, well not too slow, remapping code for 16bit displays | |
| 811 | |
| 812 for(j=this->screen->h;j;--j) | |
| 813 { | |
| 814 destl=(Uint16 *)dest; | |
| 815 | |
| 816 for(k=0;k<this->screen->w;k++) | |
| 817 { | |
| 818 srcl=(Uint16 *)&SDL_XPixels[src[k]]; | |
| 819 *destl=*srcl; | |
| 820 destl++; | |
| 821 } | |
| 822 src+=this->screen->pitch; | |
| 823 dest+=destpitch; | |
| 824 } | |
| 825 UnLockBitMap(handle); | |
| 826 } | |
| 827 } | |
| 828 else if (customroutine==4) | |
| 829 { | |
| 830 unsigned char *bm_address; | |
| 831 Uint32 destpitch; | |
| 832 APTR handle; | |
| 833 | |
| 834 if(handle=LockBitMapTags(SDL_RastPort->BitMap,LBMI_BASEADDRESS,(ULONG)&bm_address, | |
| 835 LBMI_BYTESPERROW,(ULONG)&destpitch,TAG_DONE)) | |
| 836 { | |
| 837 register int j,k; | |
| 838 register unsigned char *src,*dest; | |
| 839 register Uint32 *destl,*srcl; | |
| 840 | |
| 841 if(!currently_fullscreen) | |
| 842 dest=bm_address+(SDL_Window->TopEdge+SDL_Window->BorderTop)*destpitch+(SDL_Window->BorderLeft+SDL_Window->LeftEdge)*this->hidden->BytesPerPixel; | |
| 843 else | |
| 844 dest=bm_address; | |
| 845 | |
| 846 src=this->screen->pixels; | |
| 847 | |
| 848 // This is the fast, well not too slow, remapping code for 32bit displays | |
| 849 | |
| 850 for(j=this->screen->h;j;--j) | |
| 851 { | |
| 852 destl=(Uint32 *)dest; | |
| 853 | |
| 854 for(k=0;k<this->screen->w;k++) | |
| 855 { | |
| 856 srcl=(Uint32 *)&SDL_XPixels[src[k]]; | |
| 857 *destl=*srcl; | |
| 858 destl++; | |
| 859 } | |
| 860 src+=this->screen->pitch; | |
| 861 dest+=destpitch; | |
| 862 } | |
| 863 UnLockBitMap(handle); | |
| 864 } | |
| 865 #endif | |
| 866 } | |
| 867 else if(customroutine) | |
| 868 { | |
| 869 unsigned char *bm_address; | |
| 870 Uint32 destpitch; | |
| 871 APTR handle; | |
| 872 | |
| 873 if(handle=LockBitMapTags(SDL_RastPort->BitMap, | |
| 874 LBMI_BASEADDRESS,(ULONG)&bm_address, | |
| 875 LBMI_BYTESPERROW,(ULONG)&destpitch,TAG_DONE)) | |
| 876 { | |
| 877 register int j; | |
| 878 register unsigned char *src,*dest; | |
| 879 | |
| 880 if(!currently_fullscreen) | |
| 881 dest=bm_address+(SDL_Window->TopEdge+SDL_Window->BorderTop)*destpitch+(SDL_Window->BorderLeft+SDL_Window->LeftEdge)*this->screen->format->BytesPerPixel; | |
| 882 else | |
| 883 dest=bm_address; | |
| 884 | |
| 885 src=this->screen->pixels; | |
| 886 | |
| 887 // D(bug("addr: %lx pitch: %ld src:%lx srcpitch: %ld\n",dest,destpitch,this->screen->pixels,this->screen->pitch)); | |
| 888 | |
| 889 if(this->screen->pitch==destpitch) | |
| 890 { | |
| 891 memcpy(dest,src,this->screen->pitch*this->screen->h); | |
| 892 } | |
| 893 else | |
| 894 { | |
| 895 for(j=this->screen->h;j;--j) | |
| 896 { | |
| 897 memcpy(dest,src,this->screen->pitch); | |
| 898 src+=this->screen->pitch; | |
| 899 dest+=destpitch; | |
| 900 } | |
| 901 } | |
| 902 | |
| 903 UnLockBitMap(handle); | |
| 904 } | |
| 905 } | |
| 906 else | |
| 907 { | |
| 908 USE_WPA(this->screen->pixels,0,0,this->screen->pitch, | |
| 909 SDL_RastPort,SDL_Window->BorderLeft,SDL_Window->BorderTop, | |
| 910 this->screen->w,this->screen->h,format); | |
| 911 } | |
| 912 | |
| 913 } |