Mercurial > sdl-ios-xcode
annotate src/video/cybergfx/SDL_cgximage.c @ 1358:c71e05b4dc2e
More header massaging... works great on Windows. ;-)
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Fri, 10 Feb 2006 06:48:43 +0000 |
| parents | 604d73db6802 |
| children | d910939febfa |
| 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 "SDL_endian.h" | |
| 24 #include "SDL_cgximage_c.h" | |
| 25 | |
| 26 #ifdef HAVE_KSTAT | |
| 27 #include <kstat.h> | |
| 28 #endif | |
| 29 | |
| 30 #ifdef USE_CGX_WRITELUTPIXEL | |
| 31 #if defined(__SASC) || defined(__PPC__) | |
| 32 #define WLUT WriteLUTPixelArray | |
| 33 #else | |
| 34 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) | |
| 35 { WriteLUTPixelArray(a,b,c,d,e,f,g,h,i,l,m); } | |
| 36 #endif | |
| 37 | |
| 38 #endif | |
| 39 | |
| 40 /* Various screen update functions available */ | |
| 41 static void CGX_NormalUpdate(_THIS, int numrects, SDL_Rect *rects); | |
| 42 static void CGX_FakeUpdate(_THIS, int numrects, SDL_Rect *rects); | |
| 43 | |
| 44 BOOL SafeDisp=TRUE,SafeChange=TRUE; | |
| 45 struct MsgPort *safeport=NULL,*dispport=NULL; | |
| 46 ULONG safe_sigbit,disp_sigbit; | |
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47 int use_picasso96=1; |
| 0 | 48 |
| 49 int CGX_SetupImage(_THIS, SDL_Surface *screen) | |
| 50 { | |
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51 SDL_Ximage=NULL; |
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52 |
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53 if(screen->flags&SDL_HWSURFACE) { |
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54 ULONG pitch; |
| 0 | 55 |
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56 if(!screen->hwdata) { |
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57 if(!(screen->hwdata=SDL_malloc(sizeof(struct private_hwdata)))) |
| 0 | 58 return -1; |
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59 |
| 0 | 60 D(bug("Creating system accel struct\n")); |
| 61 } | |
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62 screen->hwdata->lock=NULL; |
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63 screen->hwdata->allocated=0; |
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64 screen->hwdata->mask=NULL; |
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65 screen->hwdata->bmap=SDL_RastPort->BitMap; |
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66 screen->hwdata->videodata=this; |
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67 |
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68 if(!(screen->hwdata->lock=LockBitMapTags(screen->hwdata->bmap, |
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69 LBMI_BASEADDRESS,(ULONG)&screen->pixels, |
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70 LBMI_BYTESPERROW,(ULONG)&pitch,TAG_DONE))) { |
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71 SDL_free(screen->hwdata); |
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72 screen->hwdata=NULL; |
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73 return -1; |
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74 } |
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75 else { |
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76 UnLockBitMap(screen->hwdata->lock); |
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77 screen->hwdata->lock=NULL; |
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78 } |
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79 |
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80 screen->pitch=pitch; |
| 0 | 81 |
| 82 this->UpdateRects = CGX_FakeUpdate; | |
| 83 | |
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84 D(bug("Accel video image configured (%lx, pitch %ld).\n",screen->pixels,screen->pitch)); |
| 0 | 85 return 0; |
| 86 } | |
| 87 | |
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88 screen->pixels = SDL_malloc(screen->h*screen->pitch); |
| 0 | 89 |
| 90 if ( screen->pixels == NULL ) { | |
| 91 SDL_OutOfMemory(); | |
| 92 return(-1); | |
| 93 } | |
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94 |
| 0 | 95 SDL_Ximage=screen->pixels; |
| 96 | |
| 97 if ( SDL_Ximage == NULL ) { | |
| 98 SDL_SetError("Couldn't create XImage"); | |
| 99 return(-1); | |
| 100 } | |
| 101 | |
| 102 this->UpdateRects = CGX_NormalUpdate; | |
| 103 | |
| 104 return(0); | |
| 105 } | |
| 106 | |
| 107 void CGX_DestroyImage(_THIS, SDL_Surface *screen) | |
| 108 { | |
| 109 if ( SDL_Ximage ) { | |
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110 SDL_free(SDL_Ximage); |
| 0 | 111 SDL_Ximage = NULL; |
| 112 } | |
| 113 if ( screen ) { | |
| 114 screen->pixels = NULL; | |
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115 |
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116 if(screen->hwdata) { |
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117 SDL_free(screen->hwdata); |
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118 screen->hwdata=NULL; |
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119 } |
| 0 | 120 } |
| 121 } | |
| 122 | |
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123 /* This is a hack to see whether this system has more than 1 CPU */ |
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124 static int num_CPU(void) |
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125 { |
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126 return 1; |
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127 } |
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128 |
| 0 | 129 int CGX_ResizeImage(_THIS, SDL_Surface *screen, Uint32 flags) |
| 130 { | |
| 131 int retval; | |
| 132 | |
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133 D(bug("Calling ResizeImage()\n")); |
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134 |
| 0 | 135 CGX_DestroyImage(this, screen); |
| 136 | |
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137 if ( flags & SDL_OPENGL ) { /* No image when using GL */ |
| 0 | 138 retval = 0; |
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139 } else { |
| 0 | 140 retval = CGX_SetupImage(this, screen); |
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141 /* We support asynchronous blitting on the display */ |
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142 if ( flags & SDL_ASYNCBLIT ) { |
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143 if ( num_CPU() > 1 ) { |
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144 screen->flags |= SDL_ASYNCBLIT; |
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145 } |
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146 } |
| 0 | 147 } |
| 148 return(retval); | |
| 149 } | |
| 150 | |
| 151 int CGX_AllocHWSurface(_THIS, SDL_Surface *surface) | |
| 152 { | |
| 153 D(bug("Alloc HW surface...%ld x %ld x %ld!\n",surface->w,surface->h,this->hidden->depth)); | |
| 154 | |
| 155 if(surface==SDL_VideoSurface) | |
| 156 { | |
| 157 D(bug("Allocation skipped, it's system one!\n")); | |
| 158 return 0; | |
| 159 } | |
| 160 | |
| 161 if(!surface->hwdata) | |
| 162 { | |
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163 if(!(surface->hwdata=SDL_malloc(sizeof(struct private_hwdata)))) |
| 0 | 164 return -1; |
| 165 } | |
| 166 | |
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167 surface->hwdata->mask=NULL; |
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168 surface->hwdata->lock=NULL; |
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169 surface->hwdata->videodata=this; |
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170 surface->hwdata->allocated=0; |
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171 |
| 0 | 172 if(surface->hwdata->bmap=AllocBitMap(surface->w,surface->h,this->hidden->depth,BMF_MINPLANES,SDL_Display->RastPort.BitMap)) |
| 173 { | |
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174 surface->hwdata->allocated=1; |
| 0 | 175 surface->flags|=SDL_HWSURFACE; |
| 176 D(bug("...OK\n")); | |
| 177 return 0; | |
| 178 } | |
| 179 else | |
| 180 { | |
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181 SDL_free(surface->hwdata); |
| 0 | 182 surface->hwdata=NULL; |
| 183 } | |
| 184 | |
| 185 return(-1); | |
| 186 } | |
| 187 void CGX_FreeHWSurface(_THIS, SDL_Surface *surface) | |
| 188 { | |
| 189 if(surface && surface!=SDL_VideoSurface && surface->hwdata) | |
| 190 { | |
| 191 D(bug("Free hw surface.\n")); | |
| 192 | |
| 193 if(surface->hwdata->mask) | |
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194 SDL_free(surface->hwdata->mask); |
| 0 | 195 |
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196 if(surface->hwdata->bmap&&surface->hwdata->allocated) |
| 0 | 197 FreeBitMap(surface->hwdata->bmap); |
| 198 | |
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199 SDL_free(surface->hwdata); |
| 0 | 200 surface->hwdata=NULL; |
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201 surface->pixels=NULL; |
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202 D(bug("end of free hw surface\n")); |
| 0 | 203 } |
| 204 return; | |
| 205 } | |
| 206 | |
| 207 int CGX_LockHWSurface(_THIS, SDL_Surface *surface) | |
| 208 { | |
| 209 if (surface->hwdata) | |
| 210 { | |
| 211 // D(bug("Locking a bitmap...\n")); | |
| 212 if(!surface->hwdata->lock) | |
| 213 { | |
| 214 Uint32 pitch; | |
| 215 | |
| 216 if(!(surface->hwdata->lock=LockBitMapTags(surface->hwdata->bmap, | |
| 217 LBMI_BASEADDRESS,(ULONG)&surface->pixels, | |
| 218 LBMI_BYTESPERROW,(ULONG)&pitch,TAG_DONE))) | |
| 219 return -1; | |
| 220 | |
| 221 // surface->pitch e' a 16bit! | |
| 222 | |
| 223 surface->pitch=pitch; | |
| 224 | |
| 225 if(!currently_fullscreen&&surface==SDL_VideoSurface) | |
| 226 surface->pixels=((char *)surface->pixels)+(surface->pitch*(SDL_Window->BorderTop+SDL_Window->TopEdge)+ | |
| 227 surface->format->BytesPerPixel*(SDL_Window->BorderLeft+SDL_Window->LeftEdge)); | |
| 228 } | |
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229 D(else bug("Already locked!!!\n")); |
| 0 | 230 } |
| 231 return(0); | |
| 232 } | |
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233 |
| 0 | 234 void CGX_UnlockHWSurface(_THIS, SDL_Surface *surface) |
| 235 { | |
| 236 if(surface->hwdata && surface->hwdata->lock) | |
| 237 { | |
| 238 UnLockBitMap(surface->hwdata->lock); | |
| 239 surface->hwdata->lock=NULL; | |
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240 // surface->pixels=NULL; |
| 0 | 241 } |
| 242 } | |
| 243 | |
| 244 int CGX_FlipHWSurface(_THIS, SDL_Surface *surface) | |
| 245 { | |
| 246 static int current=0; | |
| 247 | |
| 248 if(this->hidden->dbuffer) | |
| 249 { | |
| 250 if(!SafeChange) | |
| 251 { | |
| 252 Wait(disp_sigbit); | |
| 253 // Non faccio nulla, vuoto solo la porta | |
| 254 while(GetMsg(dispport)!=NULL) | |
| 255 ; | |
| 256 SafeChange=TRUE; | |
| 257 } | |
| 258 | |
| 259 if(ChangeScreenBuffer(SDL_Display,this->hidden->SB[current^1])) | |
| 260 { | |
| 261 surface->hwdata->bmap=SDL_RastPort->BitMap=this->hidden->SB[current]->sb_BitMap; | |
| 262 SafeChange=FALSE; | |
| 263 SafeDisp=FALSE; | |
| 264 current^=1; | |
| 265 } | |
| 266 | |
| 267 if(!SafeDisp) | |
| 268 { | |
| 269 Wait(safe_sigbit); | |
| 270 while(GetMsg(safeport)!=NULL) | |
| 271 ; | |
| 272 SafeDisp=TRUE; | |
| 273 } | |
| 274 | |
| 275 } | |
| 276 return(0); | |
| 277 } | |
| 278 | |
| 279 /* Byte-swap the pixels in the display image */ | |
| 280 static void CGX_SwapAllPixels(SDL_Surface *screen) | |
| 281 { | |
| 282 int x, y; | |
| 283 | |
| 284 switch (screen->format->BytesPerPixel) { | |
| 285 case 2: { | |
| 286 Uint16 *spot; | |
| 287 for ( y=0; y<screen->h; ++y ) { | |
| 288 spot = (Uint16 *) ((Uint8 *)screen->pixels + | |
| 289 y * screen->pitch); | |
| 290 for ( x=0; x<screen->w; ++x, ++spot ) { | |
| 291 *spot = SDL_Swap16(*spot); | |
| 292 } | |
| 293 } | |
| 294 } | |
| 295 break; | |
| 296 | |
| 297 case 4: { | |
| 298 Uint32 *spot; | |
| 299 for ( y=0; y<screen->h; ++y ) { | |
| 300 spot = (Uint32 *) ((Uint8 *)screen->pixels + | |
| 301 y * screen->pitch); | |
| 302 for ( x=0; x<screen->w; ++x, ++spot ) { | |
| 303 *spot = SDL_Swap32(*spot); | |
| 304 } | |
| 305 } | |
| 306 } | |
| 307 break; | |
| 308 | |
| 309 default: | |
| 310 /* should never get here */ | |
| 311 break; | |
| 312 } | |
| 313 } | |
| 314 static void CGX_SwapPixels(SDL_Surface *screen, int numrects, SDL_Rect *rects) | |
| 315 { | |
| 316 int i; | |
| 317 int x, minx, maxx; | |
| 318 int y, miny, maxy; | |
| 319 | |
| 320 switch (screen->format->BytesPerPixel) { | |
| 321 case 2: { | |
| 322 Uint16 *spot; | |
| 323 for ( i=0; i<numrects; ++i ) { | |
| 324 minx = rects[i].x; | |
| 325 maxx = rects[i].x+rects[i].w; | |
| 326 miny = rects[i].y; | |
| 327 maxy = rects[i].y+rects[i].h; | |
| 328 for ( y=miny; y<maxy; ++y ) { | |
| 329 spot = (Uint16 *) ((Uint8 *)screen->pixels + | |
| 330 y * screen->pitch + minx * 2); | |
| 331 for ( x=minx; x<maxx; ++x, ++spot ) { | |
| 332 *spot = SDL_Swap16(*spot); | |
| 333 } | |
| 334 } | |
| 335 } | |
| 336 } | |
| 337 break; | |
| 338 | |
| 339 case 4: { | |
| 340 Uint32 *spot; | |
| 341 for ( i=0; i<numrects; ++i ) { | |
| 342 minx = rects[i].x; | |
| 343 maxx = rects[i].x+rects[i].w; | |
| 344 miny = rects[i].y; | |
| 345 maxy = rects[i].y+rects[i].h; | |
| 346 for ( y=miny; y<maxy; ++y ) { | |
| 347 spot = (Uint32 *) ((Uint8 *)screen->pixels + | |
| 348 y * screen->pitch + minx * 4); | |
| 349 for ( x=minx; x<maxx; ++x, ++spot ) { | |
| 350 *spot = SDL_Swap32(*spot); | |
| 351 } | |
| 352 } | |
| 353 } | |
| 354 } | |
| 355 break; | |
| 356 | |
| 357 default: | |
| 358 /* should never get here */ | |
| 359 break; | |
| 360 } | |
| 361 } | |
| 362 | |
| 363 #ifdef __SASC | |
| 364 | |
| 365 #define USE_WPA WritePixelArray | |
| 366 #else | |
| 367 | |
| 368 void USE_WPA(char *a,int b,int c,int d, struct RastPort *e,int f,int g, int h, int i, Uint32 l) | |
| 369 { | |
| 370 WritePixelArray(a,b,c,d,e,f,g,h,i,l); | |
| 371 } | |
| 372 | |
| 373 #endif | |
| 374 | |
| 375 static void CGX_FakeUpdate(_THIS, int numrects, SDL_Rect *rects) | |
| 376 { | |
| 377 } | |
| 378 | |
| 379 static void CGX_NormalUpdate(_THIS, int numrects, SDL_Rect *rects) | |
| 380 { | |
| 381 int i,format,customroutine=0; | |
| 382 #ifndef USE_CGX_WRITELUTPIXEL | |
| 383 int bpp; | |
| 384 #endif | |
|
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|
385 if(this->hidden->same_format && !use_picasso96) |
| 0 | 386 { |
| 387 format=RECTFMT_RAW; | |
| 388 } | |
| 389 else switch(this->screen->format->BytesPerPixel) | |
| 390 { | |
| 391 case 4: | |
| 392 format=RECTFMT_RGBA; | |
| 393 break; | |
| 394 case 3: | |
| 395 format=RECTFMT_RGB; | |
| 396 break; | |
| 397 case 2: | |
| 398 customroutine=1; | |
| 399 break; | |
| 400 case 1: | |
| 401 // D(bug("soft depth: 8 hardbpp: %ld\n",this->hidden->depth)); | |
| 402 if(this->hidden->depth>8) | |
| 403 { | |
| 404 #ifndef USE_CGX_WRITELUTPIXEL | |
| 405 if(this->hidden->depth>32) | |
| 406 customroutine=4; | |
| 407 else if(this->hidden->depth>16) | |
| 408 { | |
| 409 bpp=this->hidden->BytesPerPixel; // That one is the only one that needs bpp | |
| 410 customroutine=2; // The slow one! | |
| 411 } | |
| 412 else | |
| 413 customroutine=3; | |
| 414 #else | |
| 415 | |
| 416 customroutine=2; | |
| 417 #endif | |
| 418 | |
| 419 // format=RECTFMT_LUT8; Vecchia funzione x usare la WritePixelArray. | |
| 420 } | |
| 421 else | |
| 422 customroutine=1; | |
| 423 break; | |
| 424 default: | |
| 425 D(bug("Unable to blit this surface!\n")); | |
| 426 return; | |
| 427 } | |
| 428 | |
| 429 /* Check for endian-swapped X server, swap if necessary (VERY slow!) */ | |
| 430 if ( swap_pixels && | |
| 431 ((this->screen->format->BytesPerPixel%2) == 0) ) { | |
|
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diff
changeset
|
432 D(bug("Software Swapping! SLOOOW!\n")); |
| 0 | 433 CGX_SwapPixels(this->screen, numrects, rects); |
| 434 for ( i=0; i<numrects; ++i ) { | |
| 435 if ( ! rects[i].w ) { /* Clipped? */ | |
| 436 continue; | |
| 437 } | |
| 438 USE_WPA(this->screen->pixels,rects[i].x, rects[i].y,this->screen->pitch, | |
| 439 SDL_RastPort,SDL_Window->BorderLeft+rects[i].x,SDL_Window->BorderTop+rects[i].y, | |
| 440 rects[i].w,rects[i].h,format); | |
| 441 } | |
| 442 CGX_SwapPixels(this->screen, numrects, rects); | |
| 443 } | |
| 444 else if (customroutine==2) | |
| 445 { | |
| 446 #ifdef USE_CGX_WRITELUTPIXEL | |
| 447 for ( i=0; i<numrects; ++i ) { | |
| 448 if ( ! rects[i].w ) { /* Clipped? */ | |
| 449 continue; | |
| 450 } | |
| 451 | |
| 452 WLUT(this->screen->pixels,rects[i].x, rects[i].y,this->screen->pitch, | |
| 453 SDL_RastPort,SDL_XPixels,SDL_Window->BorderLeft+rects[i].x,SDL_Window->BorderTop+rects[i].y, | |
| 454 rects[i].w,rects[i].h,CTABFMT_XRGB8); | |
| 455 } | |
| 456 #else | |
| 457 unsigned char *bm_address; | |
| 458 Uint32 destpitch; | |
| 459 APTR handle; | |
| 460 | |
| 461 if(handle=LockBitMapTags(SDL_RastPort->BitMap,LBMI_BASEADDRESS,&bm_address, | |
| 462 LBMI_BYTESPERROW,&destpitch,TAG_DONE)) | |
| 463 { | |
| 464 int srcwidth; | |
| 465 unsigned char *destbase; | |
| 466 register int j,k,t; | |
| 467 register unsigned char *mask,*dst; | |
| 468 register unsigned char *src,*dest; | |
| 469 | |
| 470 // Aggiungo il bordo della finestra se sono fullscreen. | |
| 471 if(currently_fullscreen) | |
| 472 destbase=bm_address; | |
| 473 else | |
| 474 destbase=bm_address+(SDL_Window->TopEdge+SDL_Window->BorderTop)*destpitch+(SDL_Window->BorderLeft+SDL_Window->LeftEdge)*this->hidden->BytesPerPixel; | |
| 475 | |
| 476 for ( i=0; i<numrects; ++i ) | |
| 477 { | |
| 478 srcwidth=rects[i].w; | |
| 479 | |
| 480 if ( !srcwidth ) { /* Clipped? */ | |
| 481 continue; | |
| 482 } | |
| 483 | |
| 484 dest=destbase+rects[i].x*this->hidden->BytesPerPixel; | |
| 485 dest+=(rects[i].y*destpitch); | |
| 486 src=((char *)(this->screen->pixels))+rects[i].x; | |
| 487 src+=(rects[i].y*this->screen->pitch); | |
| 488 | |
| 489 for(j=rects[i].h;j;--j) | |
| 490 { | |
| 491 dst=dest; | |
| 492 // SLOW routine, used for 8->24 bit mapping | |
| 493 for(k=0;k<srcwidth;k++) | |
| 494 { | |
| 495 mask=(unsigned char *)(&SDL_XPixels[src[k]]); | |
| 496 for(t=0;t<bpp;t++) | |
| 497 { | |
| 498 dst[t]=mask[t]; | |
| 499 } | |
| 500 dst+=bpp; | |
| 501 } | |
| 502 src+=this->screen->pitch; | |
| 503 dest+=destpitch; | |
| 504 } | |
| 505 } | |
| 506 UnLockBitMap(handle); | |
| 507 } | |
| 508 } | |
| 509 else if (customroutine==3) | |
| 510 { | |
| 511 unsigned char *bm_address; | |
| 512 Uint32 destpitch; | |
| 513 APTR handle; | |
| 514 | |
| 515 if(handle=LockBitMapTags(SDL_RastPort->BitMap,LBMI_BASEADDRESS,&bm_address, | |
| 516 LBMI_BYTESPERROW,&destpitch,TAG_DONE)) | |
| 517 { | |
| 518 int srcwidth; | |
| 519 unsigned char *destbase; | |
| 520 register int j,k; | |
| 521 register unsigned char *src,*dest; | |
| 522 register Uint16 *destl,*srcl; | |
| 523 | |
| 524 if(currently_fullscreen) | |
| 525 destbase=bm_address; | |
| 526 else | |
| 527 destbase=bm_address+(SDL_Window->TopEdge+SDL_Window->BorderTop)*destpitch+(SDL_Window->BorderLeft+SDL_Window->LeftEdge)*this->hidden->BytesPerPixel; | |
| 528 | |
| 529 for ( i=0; i<numrects; ++i ) | |
| 530 { | |
| 531 srcwidth=rects[i].w; | |
| 532 | |
| 533 if ( !srcwidth ) { /* Clipped? */ | |
| 534 continue; | |
| 535 } | |
| 536 | |
| 537 dest=destbase+rects[i].x*this->hidden->BytesPerPixel; | |
| 538 dest+=(rects[i].y*destpitch); | |
| 539 src=((char *)(this->screen->pixels))+rects[i].x; | |
| 540 src+=(rects[i].y*this->screen->pitch); | |
| 541 | |
| 542 // This is the fast, well not too slow, remapping code for 16bit displays | |
| 543 | |
| 544 for(j=rects[i].h;j;--j) | |
| 545 { | |
| 546 destl=(Uint16 *)dest; | |
| 547 | |
| 548 for(k=0;k<srcwidth;k++) | |
| 549 { | |
| 550 srcl=(Uint16 *)&SDL_XPixels[src[k]]; | |
| 551 *destl=*srcl; | |
| 552 destl++; | |
| 553 } | |
| 554 src+=this->screen->pitch; | |
| 555 dest+=destpitch; | |
| 556 } | |
| 557 } | |
| 558 UnLockBitMap(handle); | |
| 559 } | |
| 560 } | |
| 561 else if (customroutine==4) | |
| 562 { | |
| 563 unsigned char *bm_address; | |
| 564 Uint32 destpitch; | |
| 565 APTR handle; | |
| 566 | |
| 567 if(handle=LockBitMapTags(SDL_RastPort->BitMap,LBMI_BASEADDRESS,&bm_address, | |
| 568 LBMI_BYTESPERROW,&destpitch,TAG_DONE)) | |
| 569 { | |
| 570 int srcwidth; | |
| 571 unsigned char *destbase; | |
| 572 register int j,k; | |
| 573 register unsigned char *src,*dest; | |
| 574 register Uint32 *destl,*srcl; | |
| 575 | |
| 576 if(currently_fullscreen) | |
| 577 destbase=bm_address; | |
| 578 else | |
| 579 destbase=bm_address+(SDL_Window->TopEdge+SDL_Window->BorderTop)*destpitch+(SDL_Window->BorderLeft+SDL_Window->LeftEdge)*this->hidden->BytesPerPixel; | |
| 580 | |
| 581 for ( i=0; i<numrects; ++i ) | |
| 582 { | |
| 583 srcwidth=rects[i].w; | |
| 584 | |
| 585 if ( !srcwidth ) { /* Clipped? */ | |
| 586 continue; | |
| 587 } | |
| 588 | |
| 589 dest=destbase+rects[i].x*this->hidden->BytesPerPixel; | |
| 590 dest+=(rects[i].y*destpitch); | |
| 591 src=((char *)(this->screen->pixels))+rects[i].x; | |
| 592 src+=(rects[i].y*this->screen->pitch); | |
| 593 | |
| 594 // This is the fast, well not too slow, remapping code for 32bit displays | |
| 595 | |
| 596 for(j=rects[i].h;j;--j) | |
| 597 { | |
| 598 destl=(Uint32 *)dest; | |
| 599 | |
| 600 for(k=0;k<srcwidth;k++) | |
| 601 { | |
| 602 srcl=(Uint32 *)&SDL_XPixels[src[k]]; | |
| 603 *destl=*srcl; | |
| 604 destl++; | |
| 605 } | |
| 606 src+=this->screen->pitch; | |
| 607 dest+=destpitch; | |
| 608 } | |
| 609 } | |
| 610 UnLockBitMap(handle); | |
| 611 } | |
| 612 #endif | |
| 613 } | |
| 614 else if(customroutine) | |
| 615 { | |
| 616 unsigned char *bm_address; | |
| 617 Uint32 destpitch; | |
| 618 APTR handle; | |
| 619 | |
|
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parents:
252
diff
changeset
|
620 // D(bug("Using customroutine!\n")); |
| 0 | 621 |
| 622 if(handle=LockBitMapTags(SDL_RastPort->BitMap,LBMI_BASEADDRESS,(ULONG)&bm_address, | |
| 623 LBMI_BYTESPERROW,(ULONG)&destpitch,TAG_DONE)) | |
| 624 { | |
| 625 unsigned char *destbase; | |
| 626 register int j,srcwidth; | |
| 627 register unsigned char *src,*dest; | |
| 628 | |
| 629 // Aggiungo il bordo della finestra se sono fullscreen. | |
| 630 if(currently_fullscreen) | |
| 631 destbase=bm_address; | |
| 632 else | |
| 633 destbase=bm_address+(SDL_Window->TopEdge+SDL_Window->BorderTop)*destpitch+(SDL_Window->BorderLeft+SDL_Window->LeftEdge)*this->screen->format->BytesPerPixel; | |
| 634 | |
| 635 for ( i=0; i<numrects; ++i ) | |
| 636 { | |
| 637 srcwidth=rects[i].w; | |
| 638 | |
| 639 if ( !srcwidth ) { /* Clipped? */ | |
| 640 continue; | |
| 641 } | |
| 642 | |
| 643 dest=destbase+rects[i].x*this->screen->format->BytesPerPixel; | |
| 644 dest+=(rects[i].y*destpitch); | |
| 645 src=((char *)(this->screen->pixels))+rects[i].x*this->screen->format->BytesPerPixel; | |
| 646 src+=(rects[i].y*this->screen->pitch); | |
| 647 | |
| 648 srcwidth*=this->screen->format->BytesPerPixel; | |
| 649 | |
| 650 // 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)); | |
| 651 | |
| 652 for(j=rects[i].h;j;--j) | |
| 653 { | |
|
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parents:
1312
diff
changeset
|
654 SDL_memcpy(dest,src,srcwidth); |
| 0 | 655 src+=this->screen->pitch; |
| 656 dest+=destpitch; | |
| 657 } | |
| 658 } | |
| 659 UnLockBitMap(handle); | |
| 660 // D(bug("Rectblit addr: %lx pitch: %ld rects:%ld srcptr: %lx srcpitch: %ld\n",bm_address,destpitch,numrects,this->screen->pixels,this->screen->pitch)); | |
| 661 } | |
| 662 } | |
| 663 else | |
| 664 { | |
| 665 for ( i=0; i<numrects; ++i ) { | |
| 666 if ( ! rects[i].w ) { /* Clipped? */ | |
| 667 continue; | |
| 668 } | |
| 669 USE_WPA(this->screen->pixels,rects[i].x, rects[i].y,this->screen->pitch, | |
| 670 SDL_RastPort,SDL_Window->BorderLeft+rects[i].x,SDL_Window->BorderTop+rects[i].y, | |
| 671 rects[i].w,rects[i].h,format); | |
| 672 } | |
| 673 } | |
| 674 } | |
| 675 | |
| 676 void CGX_RefreshDisplay(_THIS) | |
| 677 { | |
| 678 int format,customroutine=0; | |
| 679 #ifndef USE_CGX_WRITELUTPIXEL | |
| 680 int bpp; | |
| 681 #endif | |
| 682 /* Don't refresh a display that doesn't have an image (like GL) */ | |
| 683 if ( ! SDL_Ximage ) { | |
| 684 return; | |
| 685 } | |
| 686 | |
|
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parents:
252
diff
changeset
|
687 if(this->hidden->same_format && !use_picasso96) |
| 0 | 688 { |
| 689 format=RECTFMT_RAW; | |
| 690 } | |
| 691 else switch(this->screen->format->BytesPerPixel) | |
| 692 { | |
| 693 case 4: | |
| 694 format=RECTFMT_RGBA; | |
| 695 break; | |
| 696 case 3: | |
| 697 format=RECTFMT_RGB; | |
| 698 break; | |
| 699 case 2: | |
| 700 customroutine=1; | |
| 701 break; | |
| 702 case 1: | |
| 703 // D(bug("soft depth: 8 hardbpp: %ld\n",this->hidden->depth)); | |
| 704 if(this->hidden->depth>8) | |
| 705 { | |
| 706 #ifndef USE_CGX_WRITELUTPIXEL | |
| 707 if(this->hidden->depth>32) | |
| 708 customroutine=4; | |
| 709 else if(this->hidden->depth>16) | |
| 710 { | |
| 711 bpp=this->hidden->BytesPerPixel; // That one is the only one that needs bpp | |
| 712 customroutine=2; // The slow one! | |
| 713 } | |
| 714 else | |
| 715 customroutine=3; | |
| 716 #else | |
| 717 | |
| 718 customroutine=2; | |
| 719 #endif | |
| 720 // format=RECTFMT_LUT8; | |
| 721 } | |
| 722 else | |
| 723 customroutine=1; | |
| 724 break; | |
| 725 | |
| 726 } | |
| 727 | |
| 728 /* Check for endian-swapped X server, swap if necessary */ | |
| 729 if ( swap_pixels && | |
| 730 ((this->screen->format->BytesPerPixel%2) == 0) ) { | |
| 731 CGX_SwapAllPixels(this->screen); | |
| 732 USE_WPA(this->screen->pixels,0,0,this->screen->pitch, | |
| 733 SDL_RastPort,SDL_Window->BorderLeft,SDL_Window->BorderTop, | |
| 734 this->screen->w,this->screen->h,format); | |
| 735 CGX_SwapAllPixels(this->screen); | |
| 736 } | |
| 737 else if (customroutine==2) | |
| 738 { | |
| 739 #ifdef USE_CGX_WRITELUTPIXEL | |
| 740 WLUT(this->screen->pixels,0,0,this->screen->pitch, | |
| 741 SDL_RastPort,SDL_XPixels,SDL_Window->BorderLeft,SDL_Window->BorderTop, | |
| 742 this->screen->w,this->screen->h,CTABFMT_XRGB8); | |
| 743 #else | |
| 744 unsigned char *bm_address; | |
| 745 Uint32 destpitch; | |
| 746 APTR handle; | |
| 747 | |
| 748 if(handle=LockBitMapTags(SDL_RastPort->BitMap,LBMI_BASEADDRESS,(ULONG)&bm_address, | |
| 749 LBMI_BYTESPERROW,(ULONG)&destpitch,TAG_DONE)) | |
| 750 { | |
| 751 register int j,k,t; | |
| 752 register unsigned char *mask,*dst; | |
| 753 register unsigned char *src,*dest; | |
| 754 | |
| 755 // Aggiungo il bordo della finestra se sono fullscreen. | |
| 756 if(!currently_fullscreen) | |
| 757 dest=bm_address+(SDL_Window->TopEdge+SDL_Window->BorderTop)*destpitch+(SDL_Window->BorderLeft+SDL_Window->LeftEdge)*this->hidden->BytesPerPixel; | |
| 758 else | |
| 759 dest=bm_address; | |
| 760 | |
| 761 src=this->screen->pixels; | |
| 762 | |
| 763 for(j=this->screen->h;j;--j) | |
| 764 { | |
| 765 dst=dest; | |
| 766 // SLOW routine, used for 8->24 bit mapping | |
| 767 for(k=0;k<this->screen->w;k++) | |
| 768 { | |
| 769 mask=(unsigned char *)(&SDL_XPixels[src[k]]); | |
| 770 for(t=0;t<bpp;t++) | |
| 771 { | |
| 772 dst[t]=mask[t]; | |
| 773 } | |
| 774 dst+=bpp; | |
| 775 } | |
| 776 src+=this->screen->pitch; | |
| 777 dest+=destpitch; | |
| 778 } | |
| 779 UnLockBitMap(handle); | |
| 780 } | |
| 781 } | |
| 782 else if (customroutine==3) | |
| 783 { | |
| 784 unsigned char *bm_address; | |
| 785 Uint32 destpitch; | |
| 786 APTR handle; | |
| 787 | |
| 788 if(handle=LockBitMapTags(SDL_RastPort->BitMap,LBMI_BASEADDRESS,(ULONG)&bm_address, | |
| 789 LBMI_BYTESPERROW,(ULONG)&destpitch,TAG_DONE)) | |
| 790 { | |
| 791 register int j,k; | |
| 792 register unsigned char *src,*dest; | |
| 793 register Uint16 *destl,*srcl; | |
| 794 | |
| 795 if(!currently_fullscreen) | |
| 796 dest=bm_address+(SDL_Window->TopEdge+SDL_Window->BorderTop)*destpitch+(SDL_Window->BorderLeft+SDL_Window->LeftEdge)*this->hidden->BytesPerPixel; | |
| 797 else | |
| 798 dest=bm_address; | |
| 799 | |
| 800 src=this->screen->pixels; | |
| 801 | |
| 802 // This is the fast, well not too slow, remapping code for 16bit displays | |
| 803 | |
| 804 for(j=this->screen->h;j;--j) | |
| 805 { | |
| 806 destl=(Uint16 *)dest; | |
| 807 | |
| 808 for(k=0;k<this->screen->w;k++) | |
| 809 { | |
| 810 srcl=(Uint16 *)&SDL_XPixels[src[k]]; | |
| 811 *destl=*srcl; | |
| 812 destl++; | |
| 813 } | |
| 814 src+=this->screen->pitch; | |
| 815 dest+=destpitch; | |
| 816 } | |
| 817 UnLockBitMap(handle); | |
| 818 } | |
| 819 } | |
| 820 else if (customroutine==4) | |
| 821 { | |
| 822 unsigned char *bm_address; | |
| 823 Uint32 destpitch; | |
| 824 APTR handle; | |
| 825 | |
| 826 if(handle=LockBitMapTags(SDL_RastPort->BitMap,LBMI_BASEADDRESS,(ULONG)&bm_address, | |
| 827 LBMI_BYTESPERROW,(ULONG)&destpitch,TAG_DONE)) | |
| 828 { | |
| 829 register int j,k; | |
| 830 register unsigned char *src,*dest; | |
| 831 register Uint32 *destl,*srcl; | |
| 832 | |
| 833 if(!currently_fullscreen) | |
| 834 dest=bm_address+(SDL_Window->TopEdge+SDL_Window->BorderTop)*destpitch+(SDL_Window->BorderLeft+SDL_Window->LeftEdge)*this->hidden->BytesPerPixel; | |
| 835 else | |
| 836 dest=bm_address; | |
| 837 | |
| 838 src=this->screen->pixels; | |
| 839 | |
| 840 // This is the fast, well not too slow, remapping code for 32bit displays | |
| 841 | |
| 842 for(j=this->screen->h;j;--j) | |
| 843 { | |
| 844 destl=(Uint32 *)dest; | |
| 845 | |
| 846 for(k=0;k<this->screen->w;k++) | |
| 847 { | |
| 848 srcl=(Uint32 *)&SDL_XPixels[src[k]]; | |
| 849 *destl=*srcl; | |
| 850 destl++; | |
| 851 } | |
| 852 src+=this->screen->pitch; | |
| 853 dest+=destpitch; | |
| 854 } | |
| 855 UnLockBitMap(handle); | |
| 856 } | |
| 857 #endif | |
| 858 } | |
| 859 else if(customroutine) | |
| 860 { | |
| 861 unsigned char *bm_address; | |
| 862 Uint32 destpitch; | |
| 863 APTR handle; | |
| 864 | |
| 865 if(handle=LockBitMapTags(SDL_RastPort->BitMap, | |
| 866 LBMI_BASEADDRESS,(ULONG)&bm_address, | |
| 867 LBMI_BYTESPERROW,(ULONG)&destpitch,TAG_DONE)) | |
| 868 { | |
| 869 register int j; | |
| 870 register unsigned char *src,*dest; | |
| 871 | |
| 872 if(!currently_fullscreen) | |
| 873 dest=bm_address+(SDL_Window->TopEdge+SDL_Window->BorderTop)*destpitch+(SDL_Window->BorderLeft+SDL_Window->LeftEdge)*this->screen->format->BytesPerPixel; | |
| 874 else | |
| 875 dest=bm_address; | |
| 876 | |
| 877 src=this->screen->pixels; | |
| 878 | |
| 879 // D(bug("addr: %lx pitch: %ld src:%lx srcpitch: %ld\n",dest,destpitch,this->screen->pixels,this->screen->pitch)); | |
| 880 | |
| 881 if(this->screen->pitch==destpitch) | |
| 882 { | |
|
1336
3692456e7b0f
Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents:
1312
diff
changeset
|
883 SDL_memcpy(dest,src,this->screen->pitch*this->screen->h); |
| 0 | 884 } |
| 885 else | |
| 886 { | |
| 887 for(j=this->screen->h;j;--j) | |
| 888 { | |
|
1336
3692456e7b0f
Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents:
1312
diff
changeset
|
889 SDL_memcpy(dest,src,this->screen->pitch); |
| 0 | 890 src+=this->screen->pitch; |
| 891 dest+=destpitch; | |
| 892 } | |
| 893 } | |
| 894 | |
| 895 UnLockBitMap(handle); | |
| 896 } | |
| 897 } | |
| 898 else | |
| 899 { | |
| 900 USE_WPA(this->screen->pixels,0,0,this->screen->pitch, | |
| 901 SDL_RastPort,SDL_Window->BorderLeft,SDL_Window->BorderTop, | |
| 902 this->screen->w,this->screen->h,format); | |
| 903 } | |
| 904 | |
| 905 } |