Mercurial > sdl-ios-xcode
annotate src/video/cybergfx/SDL_cgximage.c @ 1312:c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
I batch edited these files, so please let me know if I've accidentally removed anybody's
credit here.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Wed, 01 Feb 2006 06:32:25 +0000 |
| parents | b8d311d90021 |
| children | 3692456e7b0f |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
|
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3 Copyright (C) 1997-2006 Sam Lantinga |
| 0 | 4 |
| 5 This library is free software; you can redistribute it and/or | |
|
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6 modify it under the terms of the GNU Lesser General Public |
| 0 | 7 License as published by the Free Software Foundation; either |
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8 version 2.1 of the License, or (at your option) any later version. |
| 0 | 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 | |
|
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13 Lesser General Public License for more details. |
| 0 | 14 |
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15 You should have received a copy of the GNU Lesser General Public |
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16 License along with this library; if not, write to the Free Software |
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 0 | 18 |
| 19 Sam Lantinga | |
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20 slouken@libsdl.org |
| 0 | 21 */ |
| 22 | |
| 23 #include <stdlib.h> | |
| 24 | |
| 25 #include "SDL_error.h" | |
| 26 #include "SDL_endian.h" | |
| 27 #include "SDL_cgximage_c.h" | |
| 28 | |
| 29 #ifdef HAVE_KSTAT | |
| 30 #include <kstat.h> | |
| 31 #endif | |
| 32 | |
| 33 #ifdef USE_CGX_WRITELUTPIXEL | |
| 34 #if defined(__SASC) || defined(__PPC__) | |
| 35 #define WLUT WriteLUTPixelArray | |
| 36 #else | |
| 37 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) | |
| 38 { WriteLUTPixelArray(a,b,c,d,e,f,g,h,i,l,m); } | |
| 39 #endif | |
| 40 | |
| 41 #endif | |
| 42 | |
| 43 /* Various screen update functions available */ | |
| 44 static void CGX_NormalUpdate(_THIS, int numrects, SDL_Rect *rects); | |
| 45 static void CGX_FakeUpdate(_THIS, int numrects, SDL_Rect *rects); | |
| 46 | |
| 47 BOOL SafeDisp=TRUE,SafeChange=TRUE; | |
| 48 struct MsgPort *safeport=NULL,*dispport=NULL; | |
| 49 ULONG safe_sigbit,disp_sigbit; | |
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50 int use_picasso96=1; |
| 0 | 51 |
| 52 int CGX_SetupImage(_THIS, SDL_Surface *screen) | |
| 53 { | |
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54 SDL_Ximage=NULL; |
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55 |
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56 if(screen->flags&SDL_HWSURFACE) { |
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57 ULONG pitch; |
| 0 | 58 |
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59 if(!screen->hwdata) { |
| 0 | 60 if(!(screen->hwdata=malloc(sizeof(struct private_hwdata)))) |
| 61 return -1; | |
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62 |
| 0 | 63 D(bug("Creating system accel struct\n")); |
| 64 } | |
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65 screen->hwdata->lock=NULL; |
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66 screen->hwdata->allocated=0; |
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67 screen->hwdata->mask=NULL; |
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68 screen->hwdata->bmap=SDL_RastPort->BitMap; |
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69 screen->hwdata->videodata=this; |
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70 |
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71 if(!(screen->hwdata->lock=LockBitMapTags(screen->hwdata->bmap, |
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72 LBMI_BASEADDRESS,(ULONG)&screen->pixels, |
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73 LBMI_BYTESPERROW,(ULONG)&pitch,TAG_DONE))) { |
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74 free(screen->hwdata); |
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75 screen->hwdata=NULL; |
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76 return -1; |
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77 } |
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78 else { |
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79 UnLockBitMap(screen->hwdata->lock); |
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80 screen->hwdata->lock=NULL; |
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81 } |
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82 |
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83 screen->pitch=pitch; |
| 0 | 84 |
| 85 this->UpdateRects = CGX_FakeUpdate; | |
| 86 | |
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87 D(bug("Accel video image configured (%lx, pitch %ld).\n",screen->pixels,screen->pitch)); |
| 0 | 88 return 0; |
| 89 } | |
| 90 | |
| 91 screen->pixels = malloc(screen->h*screen->pitch); | |
| 92 | |
| 93 if ( screen->pixels == NULL ) { | |
| 94 SDL_OutOfMemory(); | |
| 95 return(-1); | |
| 96 } | |
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97 |
| 0 | 98 SDL_Ximage=screen->pixels; |
| 99 | |
| 100 if ( SDL_Ximage == NULL ) { | |
| 101 SDL_SetError("Couldn't create XImage"); | |
| 102 return(-1); | |
| 103 } | |
| 104 | |
| 105 this->UpdateRects = CGX_NormalUpdate; | |
| 106 | |
| 107 return(0); | |
| 108 } | |
| 109 | |
| 110 void CGX_DestroyImage(_THIS, SDL_Surface *screen) | |
| 111 { | |
| 112 if ( SDL_Ximage ) { | |
| 113 free(SDL_Ximage); | |
| 114 SDL_Ximage = NULL; | |
| 115 } | |
| 116 if ( screen ) { | |
| 117 screen->pixels = NULL; | |
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118 |
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119 if(screen->hwdata) { |
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120 free(screen->hwdata); |
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121 screen->hwdata=NULL; |
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122 } |
| 0 | 123 } |
| 124 } | |
| 125 | |
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126 /* This is a hack to see whether this system has more than 1 CPU */ |
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127 static int num_CPU(void) |
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128 { |
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129 return 1; |
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130 } |
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131 |
| 0 | 132 int CGX_ResizeImage(_THIS, SDL_Surface *screen, Uint32 flags) |
| 133 { | |
| 134 int retval; | |
| 135 | |
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136 D(bug("Calling ResizeImage()\n")); |
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137 |
| 0 | 138 CGX_DestroyImage(this, screen); |
| 139 | |
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140 if ( flags & SDL_OPENGL ) { /* No image when using GL */ |
| 0 | 141 retval = 0; |
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142 } else { |
| 0 | 143 retval = CGX_SetupImage(this, screen); |
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144 /* We support asynchronous blitting on the display */ |
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145 if ( flags & SDL_ASYNCBLIT ) { |
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146 if ( num_CPU() > 1 ) { |
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147 screen->flags |= SDL_ASYNCBLIT; |
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148 } |
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149 } |
| 0 | 150 } |
| 151 return(retval); | |
| 152 } | |
| 153 | |
| 154 int CGX_AllocHWSurface(_THIS, SDL_Surface *surface) | |
| 155 { | |
| 156 D(bug("Alloc HW surface...%ld x %ld x %ld!\n",surface->w,surface->h,this->hidden->depth)); | |
| 157 | |
| 158 if(surface==SDL_VideoSurface) | |
| 159 { | |
| 160 D(bug("Allocation skipped, it's system one!\n")); | |
| 161 return 0; | |
| 162 } | |
| 163 | |
| 164 if(!surface->hwdata) | |
| 165 { | |
| 166 if(!(surface->hwdata=malloc(sizeof(struct private_hwdata)))) | |
| 167 return -1; | |
| 168 } | |
| 169 | |
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170 surface->hwdata->mask=NULL; |
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171 surface->hwdata->lock=NULL; |
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172 surface->hwdata->videodata=this; |
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173 surface->hwdata->allocated=0; |
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174 |
| 0 | 175 if(surface->hwdata->bmap=AllocBitMap(surface->w,surface->h,this->hidden->depth,BMF_MINPLANES,SDL_Display->RastPort.BitMap)) |
| 176 { | |
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177 surface->hwdata->allocated=1; |
| 0 | 178 surface->flags|=SDL_HWSURFACE; |
| 179 D(bug("...OK\n")); | |
| 180 return 0; | |
| 181 } | |
| 182 else | |
| 183 { | |
| 184 free(surface->hwdata); | |
| 185 surface->hwdata=NULL; | |
| 186 } | |
| 187 | |
| 188 return(-1); | |
| 189 } | |
| 190 void CGX_FreeHWSurface(_THIS, SDL_Surface *surface) | |
| 191 { | |
| 192 if(surface && surface!=SDL_VideoSurface && surface->hwdata) | |
| 193 { | |
| 194 D(bug("Free hw surface.\n")); | |
| 195 | |
| 196 if(surface->hwdata->mask) | |
| 197 free(surface->hwdata->mask); | |
| 198 | |
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199 if(surface->hwdata->bmap&&surface->hwdata->allocated) |
| 0 | 200 FreeBitMap(surface->hwdata->bmap); |
| 201 | |
| 202 free(surface->hwdata); | |
| 203 surface->hwdata=NULL; | |
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204 surface->pixels=NULL; |
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205 D(bug("end of free hw surface\n")); |
| 0 | 206 } |
| 207 return; | |
| 208 } | |
| 209 | |
| 210 int CGX_LockHWSurface(_THIS, SDL_Surface *surface) | |
| 211 { | |
| 212 if (surface->hwdata) | |
| 213 { | |
| 214 // D(bug("Locking a bitmap...\n")); | |
| 215 if(!surface->hwdata->lock) | |
| 216 { | |
| 217 Uint32 pitch; | |
| 218 | |
| 219 if(!(surface->hwdata->lock=LockBitMapTags(surface->hwdata->bmap, | |
| 220 LBMI_BASEADDRESS,(ULONG)&surface->pixels, | |
| 221 LBMI_BYTESPERROW,(ULONG)&pitch,TAG_DONE))) | |
| 222 return -1; | |
| 223 | |
| 224 // surface->pitch e' a 16bit! | |
| 225 | |
| 226 surface->pitch=pitch; | |
| 227 | |
| 228 if(!currently_fullscreen&&surface==SDL_VideoSurface) | |
| 229 surface->pixels=((char *)surface->pixels)+(surface->pitch*(SDL_Window->BorderTop+SDL_Window->TopEdge)+ | |
| 230 surface->format->BytesPerPixel*(SDL_Window->BorderLeft+SDL_Window->LeftEdge)); | |
| 231 } | |
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232 D(else bug("Already locked!!!\n")); |
| 0 | 233 } |
| 234 return(0); | |
| 235 } | |
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236 |
| 0 | 237 void CGX_UnlockHWSurface(_THIS, SDL_Surface *surface) |
| 238 { | |
| 239 if(surface->hwdata && surface->hwdata->lock) | |
| 240 { | |
| 241 UnLockBitMap(surface->hwdata->lock); | |
| 242 surface->hwdata->lock=NULL; | |
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243 // surface->pixels=NULL; |
| 0 | 244 } |
| 245 } | |
| 246 | |
| 247 int CGX_FlipHWSurface(_THIS, SDL_Surface *surface) | |
| 248 { | |
| 249 static int current=0; | |
| 250 | |
| 251 if(this->hidden->dbuffer) | |
| 252 { | |
| 253 if(!SafeChange) | |
| 254 { | |
| 255 Wait(disp_sigbit); | |
| 256 // Non faccio nulla, vuoto solo la porta | |
| 257 while(GetMsg(dispport)!=NULL) | |
| 258 ; | |
| 259 SafeChange=TRUE; | |
| 260 } | |
| 261 | |
| 262 if(ChangeScreenBuffer(SDL_Display,this->hidden->SB[current^1])) | |
| 263 { | |
| 264 surface->hwdata->bmap=SDL_RastPort->BitMap=this->hidden->SB[current]->sb_BitMap; | |
| 265 SafeChange=FALSE; | |
| 266 SafeDisp=FALSE; | |
| 267 current^=1; | |
| 268 } | |
| 269 | |
| 270 if(!SafeDisp) | |
| 271 { | |
| 272 Wait(safe_sigbit); | |
| 273 while(GetMsg(safeport)!=NULL) | |
| 274 ; | |
| 275 SafeDisp=TRUE; | |
| 276 } | |
| 277 | |
| 278 } | |
| 279 return(0); | |
| 280 } | |
| 281 | |
| 282 /* Byte-swap the pixels in the display image */ | |
| 283 static void CGX_SwapAllPixels(SDL_Surface *screen) | |
| 284 { | |
| 285 int x, y; | |
| 286 | |
| 287 switch (screen->format->BytesPerPixel) { | |
| 288 case 2: { | |
| 289 Uint16 *spot; | |
| 290 for ( y=0; y<screen->h; ++y ) { | |
| 291 spot = (Uint16 *) ((Uint8 *)screen->pixels + | |
| 292 y * screen->pitch); | |
| 293 for ( x=0; x<screen->w; ++x, ++spot ) { | |
| 294 *spot = SDL_Swap16(*spot); | |
| 295 } | |
| 296 } | |
| 297 } | |
| 298 break; | |
| 299 | |
| 300 case 4: { | |
| 301 Uint32 *spot; | |
| 302 for ( y=0; y<screen->h; ++y ) { | |
| 303 spot = (Uint32 *) ((Uint8 *)screen->pixels + | |
| 304 y * screen->pitch); | |
| 305 for ( x=0; x<screen->w; ++x, ++spot ) { | |
| 306 *spot = SDL_Swap32(*spot); | |
| 307 } | |
| 308 } | |
| 309 } | |
| 310 break; | |
| 311 | |
| 312 default: | |
| 313 /* should never get here */ | |
| 314 break; | |
| 315 } | |
| 316 } | |
| 317 static void CGX_SwapPixels(SDL_Surface *screen, int numrects, SDL_Rect *rects) | |
| 318 { | |
| 319 int i; | |
| 320 int x, minx, maxx; | |
| 321 int y, miny, maxy; | |
| 322 | |
| 323 switch (screen->format->BytesPerPixel) { | |
| 324 case 2: { | |
| 325 Uint16 *spot; | |
| 326 for ( i=0; i<numrects; ++i ) { | |
| 327 minx = rects[i].x; | |
| 328 maxx = rects[i].x+rects[i].w; | |
| 329 miny = rects[i].y; | |
| 330 maxy = rects[i].y+rects[i].h; | |
| 331 for ( y=miny; y<maxy; ++y ) { | |
| 332 spot = (Uint16 *) ((Uint8 *)screen->pixels + | |
| 333 y * screen->pitch + minx * 2); | |
| 334 for ( x=minx; x<maxx; ++x, ++spot ) { | |
| 335 *spot = SDL_Swap16(*spot); | |
| 336 } | |
| 337 } | |
| 338 } | |
| 339 } | |
| 340 break; | |
| 341 | |
| 342 case 4: { | |
| 343 Uint32 *spot; | |
| 344 for ( i=0; i<numrects; ++i ) { | |
| 345 minx = rects[i].x; | |
| 346 maxx = rects[i].x+rects[i].w; | |
| 347 miny = rects[i].y; | |
| 348 maxy = rects[i].y+rects[i].h; | |
| 349 for ( y=miny; y<maxy; ++y ) { | |
| 350 spot = (Uint32 *) ((Uint8 *)screen->pixels + | |
| 351 y * screen->pitch + minx * 4); | |
| 352 for ( x=minx; x<maxx; ++x, ++spot ) { | |
| 353 *spot = SDL_Swap32(*spot); | |
| 354 } | |
| 355 } | |
| 356 } | |
| 357 } | |
| 358 break; | |
| 359 | |
| 360 default: | |
| 361 /* should never get here */ | |
| 362 break; | |
| 363 } | |
| 364 } | |
| 365 | |
| 366 #ifdef __SASC | |
| 367 | |
| 368 #define USE_WPA WritePixelArray | |
| 369 #else | |
| 370 | |
| 371 void USE_WPA(char *a,int b,int c,int d, struct RastPort *e,int f,int g, int h, int i, Uint32 l) | |
| 372 { | |
| 373 WritePixelArray(a,b,c,d,e,f,g,h,i,l); | |
| 374 } | |
| 375 | |
| 376 #endif | |
| 377 | |
| 378 static void CGX_FakeUpdate(_THIS, int numrects, SDL_Rect *rects) | |
| 379 { | |
| 380 } | |
| 381 | |
| 382 static void CGX_NormalUpdate(_THIS, int numrects, SDL_Rect *rects) | |
| 383 { | |
| 384 int i,format,customroutine=0; | |
| 385 #ifndef USE_CGX_WRITELUTPIXEL | |
| 386 int bpp; | |
| 387 #endif | |
|
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|
388 if(this->hidden->same_format && !use_picasso96) |
| 0 | 389 { |
| 390 format=RECTFMT_RAW; | |
| 391 } | |
| 392 else switch(this->screen->format->BytesPerPixel) | |
| 393 { | |
| 394 case 4: | |
| 395 format=RECTFMT_RGBA; | |
| 396 break; | |
| 397 case 3: | |
| 398 format=RECTFMT_RGB; | |
| 399 break; | |
| 400 case 2: | |
| 401 customroutine=1; | |
| 402 break; | |
| 403 case 1: | |
| 404 // D(bug("soft depth: 8 hardbpp: %ld\n",this->hidden->depth)); | |
| 405 if(this->hidden->depth>8) | |
| 406 { | |
| 407 #ifndef USE_CGX_WRITELUTPIXEL | |
| 408 if(this->hidden->depth>32) | |
| 409 customroutine=4; | |
| 410 else if(this->hidden->depth>16) | |
| 411 { | |
| 412 bpp=this->hidden->BytesPerPixel; // That one is the only one that needs bpp | |
| 413 customroutine=2; // The slow one! | |
| 414 } | |
| 415 else | |
| 416 customroutine=3; | |
| 417 #else | |
| 418 | |
| 419 customroutine=2; | |
| 420 #endif | |
| 421 | |
| 422 // format=RECTFMT_LUT8; Vecchia funzione x usare la WritePixelArray. | |
| 423 } | |
| 424 else | |
| 425 customroutine=1; | |
| 426 break; | |
| 427 default: | |
| 428 D(bug("Unable to blit this surface!\n")); | |
| 429 return; | |
| 430 } | |
| 431 | |
| 432 /* Check for endian-swapped X server, swap if necessary (VERY slow!) */ | |
| 433 if ( swap_pixels && | |
| 434 ((this->screen->format->BytesPerPixel%2) == 0) ) { | |
|
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Sam Lantinga <slouken@libsdl.org>
parents:
252
diff
changeset
|
435 D(bug("Software Swapping! SLOOOW!\n")); |
| 0 | 436 CGX_SwapPixels(this->screen, numrects, rects); |
| 437 for ( i=0; i<numrects; ++i ) { | |
| 438 if ( ! rects[i].w ) { /* Clipped? */ | |
| 439 continue; | |
| 440 } | |
| 441 USE_WPA(this->screen->pixels,rects[i].x, rects[i].y,this->screen->pitch, | |
| 442 SDL_RastPort,SDL_Window->BorderLeft+rects[i].x,SDL_Window->BorderTop+rects[i].y, | |
| 443 rects[i].w,rects[i].h,format); | |
| 444 } | |
| 445 CGX_SwapPixels(this->screen, numrects, rects); | |
| 446 } | |
| 447 else if (customroutine==2) | |
| 448 { | |
| 449 #ifdef USE_CGX_WRITELUTPIXEL | |
| 450 for ( i=0; i<numrects; ++i ) { | |
| 451 if ( ! rects[i].w ) { /* Clipped? */ | |
| 452 continue; | |
| 453 } | |
| 454 | |
| 455 WLUT(this->screen->pixels,rects[i].x, rects[i].y,this->screen->pitch, | |
| 456 SDL_RastPort,SDL_XPixels,SDL_Window->BorderLeft+rects[i].x,SDL_Window->BorderTop+rects[i].y, | |
| 457 rects[i].w,rects[i].h,CTABFMT_XRGB8); | |
| 458 } | |
| 459 #else | |
| 460 unsigned char *bm_address; | |
| 461 Uint32 destpitch; | |
| 462 APTR handle; | |
| 463 | |
| 464 if(handle=LockBitMapTags(SDL_RastPort->BitMap,LBMI_BASEADDRESS,&bm_address, | |
| 465 LBMI_BYTESPERROW,&destpitch,TAG_DONE)) | |
| 466 { | |
| 467 int srcwidth; | |
| 468 unsigned char *destbase; | |
| 469 register int j,k,t; | |
| 470 register unsigned char *mask,*dst; | |
| 471 register unsigned char *src,*dest; | |
| 472 | |
| 473 // Aggiungo il bordo della finestra se sono fullscreen. | |
| 474 if(currently_fullscreen) | |
| 475 destbase=bm_address; | |
| 476 else | |
| 477 destbase=bm_address+(SDL_Window->TopEdge+SDL_Window->BorderTop)*destpitch+(SDL_Window->BorderLeft+SDL_Window->LeftEdge)*this->hidden->BytesPerPixel; | |
| 478 | |
| 479 for ( i=0; i<numrects; ++i ) | |
| 480 { | |
| 481 srcwidth=rects[i].w; | |
| 482 | |
| 483 if ( !srcwidth ) { /* Clipped? */ | |
| 484 continue; | |
| 485 } | |
| 486 | |
| 487 dest=destbase+rects[i].x*this->hidden->BytesPerPixel; | |
| 488 dest+=(rects[i].y*destpitch); | |
| 489 src=((char *)(this->screen->pixels))+rects[i].x; | |
| 490 src+=(rects[i].y*this->screen->pitch); | |
| 491 | |
| 492 for(j=rects[i].h;j;--j) | |
| 493 { | |
| 494 dst=dest; | |
| 495 // SLOW routine, used for 8->24 bit mapping | |
| 496 for(k=0;k<srcwidth;k++) | |
| 497 { | |
| 498 mask=(unsigned char *)(&SDL_XPixels[src[k]]); | |
| 499 for(t=0;t<bpp;t++) | |
| 500 { | |
| 501 dst[t]=mask[t]; | |
| 502 } | |
| 503 dst+=bpp; | |
| 504 } | |
| 505 src+=this->screen->pitch; | |
| 506 dest+=destpitch; | |
| 507 } | |
| 508 } | |
| 509 UnLockBitMap(handle); | |
| 510 } | |
| 511 } | |
| 512 else if (customroutine==3) | |
| 513 { | |
| 514 unsigned char *bm_address; | |
| 515 Uint32 destpitch; | |
| 516 APTR handle; | |
| 517 | |
| 518 if(handle=LockBitMapTags(SDL_RastPort->BitMap,LBMI_BASEADDRESS,&bm_address, | |
| 519 LBMI_BYTESPERROW,&destpitch,TAG_DONE)) | |
| 520 { | |
| 521 int srcwidth; | |
| 522 unsigned char *destbase; | |
| 523 register int j,k; | |
| 524 register unsigned char *src,*dest; | |
| 525 register Uint16 *destl,*srcl; | |
| 526 | |
| 527 if(currently_fullscreen) | |
| 528 destbase=bm_address; | |
| 529 else | |
| 530 destbase=bm_address+(SDL_Window->TopEdge+SDL_Window->BorderTop)*destpitch+(SDL_Window->BorderLeft+SDL_Window->LeftEdge)*this->hidden->BytesPerPixel; | |
| 531 | |
| 532 for ( i=0; i<numrects; ++i ) | |
| 533 { | |
| 534 srcwidth=rects[i].w; | |
| 535 | |
| 536 if ( !srcwidth ) { /* Clipped? */ | |
| 537 continue; | |
| 538 } | |
| 539 | |
| 540 dest=destbase+rects[i].x*this->hidden->BytesPerPixel; | |
| 541 dest+=(rects[i].y*destpitch); | |
| 542 src=((char *)(this->screen->pixels))+rects[i].x; | |
| 543 src+=(rects[i].y*this->screen->pitch); | |
| 544 | |
| 545 // This is the fast, well not too slow, remapping code for 16bit displays | |
| 546 | |
| 547 for(j=rects[i].h;j;--j) | |
| 548 { | |
| 549 destl=(Uint16 *)dest; | |
| 550 | |
| 551 for(k=0;k<srcwidth;k++) | |
| 552 { | |
| 553 srcl=(Uint16 *)&SDL_XPixels[src[k]]; | |
| 554 *destl=*srcl; | |
| 555 destl++; | |
| 556 } | |
| 557 src+=this->screen->pitch; | |
| 558 dest+=destpitch; | |
| 559 } | |
| 560 } | |
| 561 UnLockBitMap(handle); | |
| 562 } | |
| 563 } | |
| 564 else if (customroutine==4) | |
| 565 { | |
| 566 unsigned char *bm_address; | |
| 567 Uint32 destpitch; | |
| 568 APTR handle; | |
| 569 | |
| 570 if(handle=LockBitMapTags(SDL_RastPort->BitMap,LBMI_BASEADDRESS,&bm_address, | |
| 571 LBMI_BYTESPERROW,&destpitch,TAG_DONE)) | |
| 572 { | |
| 573 int srcwidth; | |
| 574 unsigned char *destbase; | |
| 575 register int j,k; | |
| 576 register unsigned char *src,*dest; | |
| 577 register Uint32 *destl,*srcl; | |
| 578 | |
| 579 if(currently_fullscreen) | |
| 580 destbase=bm_address; | |
| 581 else | |
| 582 destbase=bm_address+(SDL_Window->TopEdge+SDL_Window->BorderTop)*destpitch+(SDL_Window->BorderLeft+SDL_Window->LeftEdge)*this->hidden->BytesPerPixel; | |
| 583 | |
| 584 for ( i=0; i<numrects; ++i ) | |
| 585 { | |
| 586 srcwidth=rects[i].w; | |
| 587 | |
| 588 if ( !srcwidth ) { /* Clipped? */ | |
| 589 continue; | |
| 590 } | |
| 591 | |
| 592 dest=destbase+rects[i].x*this->hidden->BytesPerPixel; | |
| 593 dest+=(rects[i].y*destpitch); | |
| 594 src=((char *)(this->screen->pixels))+rects[i].x; | |
| 595 src+=(rects[i].y*this->screen->pitch); | |
| 596 | |
| 597 // This is the fast, well not too slow, remapping code for 32bit displays | |
| 598 | |
| 599 for(j=rects[i].h;j;--j) | |
| 600 { | |
| 601 destl=(Uint32 *)dest; | |
| 602 | |
| 603 for(k=0;k<srcwidth;k++) | |
| 604 { | |
| 605 srcl=(Uint32 *)&SDL_XPixels[src[k]]; | |
| 606 *destl=*srcl; | |
| 607 destl++; | |
| 608 } | |
| 609 src+=this->screen->pitch; | |
| 610 dest+=destpitch; | |
| 611 } | |
| 612 } | |
| 613 UnLockBitMap(handle); | |
| 614 } | |
| 615 #endif | |
| 616 } | |
| 617 else if(customroutine) | |
| 618 { | |
| 619 unsigned char *bm_address; | |
| 620 Uint32 destpitch; | |
| 621 APTR handle; | |
| 622 | |
|
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Sam Lantinga <slouken@libsdl.org>
parents:
252
diff
changeset
|
623 // D(bug("Using customroutine!\n")); |
| 0 | 624 |
| 625 if(handle=LockBitMapTags(SDL_RastPort->BitMap,LBMI_BASEADDRESS,(ULONG)&bm_address, | |
| 626 LBMI_BYTESPERROW,(ULONG)&destpitch,TAG_DONE)) | |
| 627 { | |
| 628 unsigned char *destbase; | |
| 629 register int j,srcwidth; | |
| 630 register unsigned char *src,*dest; | |
| 631 | |
| 632 // Aggiungo il bordo della finestra se sono fullscreen. | |
| 633 if(currently_fullscreen) | |
| 634 destbase=bm_address; | |
| 635 else | |
| 636 destbase=bm_address+(SDL_Window->TopEdge+SDL_Window->BorderTop)*destpitch+(SDL_Window->BorderLeft+SDL_Window->LeftEdge)*this->screen->format->BytesPerPixel; | |
| 637 | |
| 638 for ( i=0; i<numrects; ++i ) | |
| 639 { | |
| 640 srcwidth=rects[i].w; | |
| 641 | |
| 642 if ( !srcwidth ) { /* Clipped? */ | |
| 643 continue; | |
| 644 } | |
| 645 | |
| 646 dest=destbase+rects[i].x*this->screen->format->BytesPerPixel; | |
| 647 dest+=(rects[i].y*destpitch); | |
| 648 src=((char *)(this->screen->pixels))+rects[i].x*this->screen->format->BytesPerPixel; | |
| 649 src+=(rects[i].y*this->screen->pitch); | |
| 650 | |
| 651 srcwidth*=this->screen->format->BytesPerPixel; | |
| 652 | |
| 653 // 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)); | |
| 654 | |
| 655 for(j=rects[i].h;j;--j) | |
| 656 { | |
| 657 memcpy(dest,src,srcwidth); | |
| 658 src+=this->screen->pitch; | |
| 659 dest+=destpitch; | |
| 660 } | |
| 661 } | |
| 662 UnLockBitMap(handle); | |
| 663 // D(bug("Rectblit addr: %lx pitch: %ld rects:%ld srcptr: %lx srcpitch: %ld\n",bm_address,destpitch,numrects,this->screen->pixels,this->screen->pitch)); | |
| 664 } | |
| 665 } | |
| 666 else | |
| 667 { | |
| 668 for ( i=0; i<numrects; ++i ) { | |
| 669 if ( ! rects[i].w ) { /* Clipped? */ | |
| 670 continue; | |
| 671 } | |
| 672 USE_WPA(this->screen->pixels,rects[i].x, rects[i].y,this->screen->pitch, | |
| 673 SDL_RastPort,SDL_Window->BorderLeft+rects[i].x,SDL_Window->BorderTop+rects[i].y, | |
| 674 rects[i].w,rects[i].h,format); | |
| 675 } | |
| 676 } | |
| 677 } | |
| 678 | |
| 679 void CGX_RefreshDisplay(_THIS) | |
| 680 { | |
| 681 int format,customroutine=0; | |
| 682 #ifndef USE_CGX_WRITELUTPIXEL | |
| 683 int bpp; | |
| 684 #endif | |
| 685 /* Don't refresh a display that doesn't have an image (like GL) */ | |
| 686 if ( ! SDL_Ximage ) { | |
| 687 return; | |
| 688 } | |
| 689 | |
|
255
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Sam Lantinga <slouken@libsdl.org>
parents:
252
diff
changeset
|
690 if(this->hidden->same_format && !use_picasso96) |
| 0 | 691 { |
| 692 format=RECTFMT_RAW; | |
| 693 } | |
| 694 else switch(this->screen->format->BytesPerPixel) | |
| 695 { | |
| 696 case 4: | |
| 697 format=RECTFMT_RGBA; | |
| 698 break; | |
| 699 case 3: | |
| 700 format=RECTFMT_RGB; | |
| 701 break; | |
| 702 case 2: | |
| 703 customroutine=1; | |
| 704 break; | |
| 705 case 1: | |
| 706 // D(bug("soft depth: 8 hardbpp: %ld\n",this->hidden->depth)); | |
| 707 if(this->hidden->depth>8) | |
| 708 { | |
| 709 #ifndef USE_CGX_WRITELUTPIXEL | |
| 710 if(this->hidden->depth>32) | |
| 711 customroutine=4; | |
| 712 else if(this->hidden->depth>16) | |
| 713 { | |
| 714 bpp=this->hidden->BytesPerPixel; // That one is the only one that needs bpp | |
| 715 customroutine=2; // The slow one! | |
| 716 } | |
| 717 else | |
| 718 customroutine=3; | |
| 719 #else | |
| 720 | |
| 721 customroutine=2; | |
| 722 #endif | |
| 723 // format=RECTFMT_LUT8; | |
| 724 } | |
| 725 else | |
| 726 customroutine=1; | |
| 727 break; | |
| 728 | |
| 729 } | |
| 730 | |
| 731 /* Check for endian-swapped X server, swap if necessary */ | |
| 732 if ( swap_pixels && | |
| 733 ((this->screen->format->BytesPerPixel%2) == 0) ) { | |
| 734 CGX_SwapAllPixels(this->screen); | |
| 735 USE_WPA(this->screen->pixels,0,0,this->screen->pitch, | |
| 736 SDL_RastPort,SDL_Window->BorderLeft,SDL_Window->BorderTop, | |
| 737 this->screen->w,this->screen->h,format); | |
| 738 CGX_SwapAllPixels(this->screen); | |
| 739 } | |
| 740 else if (customroutine==2) | |
| 741 { | |
| 742 #ifdef USE_CGX_WRITELUTPIXEL | |
| 743 WLUT(this->screen->pixels,0,0,this->screen->pitch, | |
| 744 SDL_RastPort,SDL_XPixels,SDL_Window->BorderLeft,SDL_Window->BorderTop, | |
| 745 this->screen->w,this->screen->h,CTABFMT_XRGB8); | |
| 746 #else | |
| 747 unsigned char *bm_address; | |
| 748 Uint32 destpitch; | |
| 749 APTR handle; | |
| 750 | |
| 751 if(handle=LockBitMapTags(SDL_RastPort->BitMap,LBMI_BASEADDRESS,(ULONG)&bm_address, | |
| 752 LBMI_BYTESPERROW,(ULONG)&destpitch,TAG_DONE)) | |
| 753 { | |
| 754 register int j,k,t; | |
| 755 register unsigned char *mask,*dst; | |
| 756 register unsigned char *src,*dest; | |
| 757 | |
| 758 // Aggiungo il bordo della finestra se sono fullscreen. | |
| 759 if(!currently_fullscreen) | |
| 760 dest=bm_address+(SDL_Window->TopEdge+SDL_Window->BorderTop)*destpitch+(SDL_Window->BorderLeft+SDL_Window->LeftEdge)*this->hidden->BytesPerPixel; | |
| 761 else | |
| 762 dest=bm_address; | |
| 763 | |
| 764 src=this->screen->pixels; | |
| 765 | |
| 766 for(j=this->screen->h;j;--j) | |
| 767 { | |
| 768 dst=dest; | |
| 769 // SLOW routine, used for 8->24 bit mapping | |
| 770 for(k=0;k<this->screen->w;k++) | |
| 771 { | |
| 772 mask=(unsigned char *)(&SDL_XPixels[src[k]]); | |
| 773 for(t=0;t<bpp;t++) | |
| 774 { | |
| 775 dst[t]=mask[t]; | |
| 776 } | |
| 777 dst+=bpp; | |
| 778 } | |
| 779 src+=this->screen->pitch; | |
| 780 dest+=destpitch; | |
| 781 } | |
| 782 UnLockBitMap(handle); | |
| 783 } | |
| 784 } | |
| 785 else if (customroutine==3) | |
| 786 { | |
| 787 unsigned char *bm_address; | |
| 788 Uint32 destpitch; | |
| 789 APTR handle; | |
| 790 | |
| 791 if(handle=LockBitMapTags(SDL_RastPort->BitMap,LBMI_BASEADDRESS,(ULONG)&bm_address, | |
| 792 LBMI_BYTESPERROW,(ULONG)&destpitch,TAG_DONE)) | |
| 793 { | |
| 794 register int j,k; | |
| 795 register unsigned char *src,*dest; | |
| 796 register Uint16 *destl,*srcl; | |
| 797 | |
| 798 if(!currently_fullscreen) | |
| 799 dest=bm_address+(SDL_Window->TopEdge+SDL_Window->BorderTop)*destpitch+(SDL_Window->BorderLeft+SDL_Window->LeftEdge)*this->hidden->BytesPerPixel; | |
| 800 else | |
| 801 dest=bm_address; | |
| 802 | |
| 803 src=this->screen->pixels; | |
| 804 | |
| 805 // This is the fast, well not too slow, remapping code for 16bit displays | |
| 806 | |
| 807 for(j=this->screen->h;j;--j) | |
| 808 { | |
| 809 destl=(Uint16 *)dest; | |
| 810 | |
| 811 for(k=0;k<this->screen->w;k++) | |
| 812 { | |
| 813 srcl=(Uint16 *)&SDL_XPixels[src[k]]; | |
| 814 *destl=*srcl; | |
| 815 destl++; | |
| 816 } | |
| 817 src+=this->screen->pitch; | |
| 818 dest+=destpitch; | |
| 819 } | |
| 820 UnLockBitMap(handle); | |
| 821 } | |
| 822 } | |
| 823 else if (customroutine==4) | |
| 824 { | |
| 825 unsigned char *bm_address; | |
| 826 Uint32 destpitch; | |
| 827 APTR handle; | |
| 828 | |
| 829 if(handle=LockBitMapTags(SDL_RastPort->BitMap,LBMI_BASEADDRESS,(ULONG)&bm_address, | |
| 830 LBMI_BYTESPERROW,(ULONG)&destpitch,TAG_DONE)) | |
| 831 { | |
| 832 register int j,k; | |
| 833 register unsigned char *src,*dest; | |
| 834 register Uint32 *destl,*srcl; | |
| 835 | |
| 836 if(!currently_fullscreen) | |
| 837 dest=bm_address+(SDL_Window->TopEdge+SDL_Window->BorderTop)*destpitch+(SDL_Window->BorderLeft+SDL_Window->LeftEdge)*this->hidden->BytesPerPixel; | |
| 838 else | |
| 839 dest=bm_address; | |
| 840 | |
| 841 src=this->screen->pixels; | |
| 842 | |
| 843 // This is the fast, well not too slow, remapping code for 32bit displays | |
| 844 | |
| 845 for(j=this->screen->h;j;--j) | |
| 846 { | |
| 847 destl=(Uint32 *)dest; | |
| 848 | |
| 849 for(k=0;k<this->screen->w;k++) | |
| 850 { | |
| 851 srcl=(Uint32 *)&SDL_XPixels[src[k]]; | |
| 852 *destl=*srcl; | |
| 853 destl++; | |
| 854 } | |
| 855 src+=this->screen->pitch; | |
| 856 dest+=destpitch; | |
| 857 } | |
| 858 UnLockBitMap(handle); | |
| 859 } | |
| 860 #endif | |
| 861 } | |
| 862 else if(customroutine) | |
| 863 { | |
| 864 unsigned char *bm_address; | |
| 865 Uint32 destpitch; | |
| 866 APTR handle; | |
| 867 | |
| 868 if(handle=LockBitMapTags(SDL_RastPort->BitMap, | |
| 869 LBMI_BASEADDRESS,(ULONG)&bm_address, | |
| 870 LBMI_BYTESPERROW,(ULONG)&destpitch,TAG_DONE)) | |
| 871 { | |
| 872 register int j; | |
| 873 register unsigned char *src,*dest; | |
| 874 | |
| 875 if(!currently_fullscreen) | |
| 876 dest=bm_address+(SDL_Window->TopEdge+SDL_Window->BorderTop)*destpitch+(SDL_Window->BorderLeft+SDL_Window->LeftEdge)*this->screen->format->BytesPerPixel; | |
| 877 else | |
| 878 dest=bm_address; | |
| 879 | |
| 880 src=this->screen->pixels; | |
| 881 | |
| 882 // D(bug("addr: %lx pitch: %ld src:%lx srcpitch: %ld\n",dest,destpitch,this->screen->pixels,this->screen->pitch)); | |
| 883 | |
| 884 if(this->screen->pitch==destpitch) | |
| 885 { | |
| 886 memcpy(dest,src,this->screen->pitch*this->screen->h); | |
| 887 } | |
| 888 else | |
| 889 { | |
| 890 for(j=this->screen->h;j;--j) | |
| 891 { | |
| 892 memcpy(dest,src,this->screen->pitch); | |
| 893 src+=this->screen->pitch; | |
| 894 dest+=destpitch; | |
| 895 } | |
| 896 } | |
| 897 | |
| 898 UnLockBitMap(handle); | |
| 899 } | |
| 900 } | |
| 901 else | |
| 902 { | |
| 903 USE_WPA(this->screen->pixels,0,0,this->screen->pitch, | |
| 904 SDL_RastPort,SDL_Window->BorderLeft,SDL_Window->BorderTop, | |
| 905 this->screen->w,this->screen->h,format); | |
| 906 } | |
| 907 | |
| 908 } |