Mercurial > sdl-ios-xcode
annotate src/video/cybergfx/SDL_cgximage.c @ 252:e8157fcb3114
Updated the source with the correct e-mail address
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Fri, 14 Dec 2001 12:38:15 +0000 |
| parents | 75a95f82bc1f |
| children | dcb5e869f8b5 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
| 3 Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga | |
| 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 | |
|
252
e8157fcb3114
Updated the source with the correct e-mail address
Sam Lantinga <slouken@libsdl.org>
parents:
21
diff
changeset
|
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; | |
| 55 | |
| 56 int CGX_SetupImage(_THIS, SDL_Surface *screen) | |
| 57 { | |
| 58 if(screen->flags&SDL_HWSURFACE) | |
| 59 { | |
|
21
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
60 Uint32 pitch; |
| 0 | 61 SDL_Ximage=NULL; |
| 62 | |
| 63 if(!screen->hwdata) | |
| 64 { | |
| 65 if(!(screen->hwdata=malloc(sizeof(struct private_hwdata)))) | |
| 66 { | |
| 67 return -1; | |
| 68 } | |
| 69 D(bug("Creating system accel struct\n")); | |
| 70 } | |
|
21
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
71 screen->hwdata->lock=0; |
|
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
72 screen->hwdata->bmap=SDL_RastPort->BitMap; |
|
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
73 screen->hwdata->videodata=this; |
|
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
74 |
|
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
75 if(!(screen->hwdata->lock=LockBitMapTags(screen->hwdata->bmap, |
|
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
76 LBMI_BASEADDRESS,(ULONG)&screen->pixels, |
|
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
77 LBMI_BYTESPERROW,(ULONG)&pitch,TAG_DONE))) |
|
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
78 { |
|
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
79 free(screen->hwdata); |
|
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
80 screen->hwdata=NULL; |
|
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
81 return -1; |
|
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
82 } |
|
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
83 else |
|
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
84 { |
|
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
85 UnLockBitMap(screen->hwdata->lock); |
|
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
86 screen->hwdata->lock=NULL; |
|
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
87 } |
|
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
88 |
|
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
89 screen->pitch=pitch; |
| 0 | 90 |
| 91 this->UpdateRects = CGX_FakeUpdate; | |
| 92 | |
|
21
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
93 D(bug("Accel video image configured (%lx, pitch %ld).\n",screen->pixels,screen->pitch)); |
| 0 | 94 return 0; |
| 95 } | |
| 96 | |
| 97 screen->pixels = malloc(screen->h*screen->pitch); | |
| 98 | |
| 99 if ( screen->pixels == NULL ) { | |
| 100 SDL_OutOfMemory(); | |
| 101 return(-1); | |
| 102 } | |
|
21
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
103 |
|
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
104 /* |
|
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
105 { |
|
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
106 int bpp = screen->format->BytesPerPixel; |
|
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
107 SDL_Ximage = XCreateImage(SDL_Display, SDL_Visual, |
|
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
108 this->hidden->depth, ZPixmap, 0, |
|
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
109 (char *)screen->pixels, |
|
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
110 screen->w, screen->h, |
|
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
111 (bpp == 3) ? 32 : bpp * 8, |
|
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
112 0); |
|
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
113 } |
|
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
114 */ |
| 0 | 115 SDL_Ximage=screen->pixels; |
| 116 | |
| 117 if ( SDL_Ximage == NULL ) { | |
| 118 SDL_SetError("Couldn't create XImage"); | |
| 119 return(-1); | |
| 120 } | |
| 121 | |
| 122 this->UpdateRects = CGX_NormalUpdate; | |
| 123 | |
| 124 return(0); | |
| 125 } | |
| 126 | |
| 127 void CGX_DestroyImage(_THIS, SDL_Surface *screen) | |
| 128 { | |
| 129 if ( SDL_Ximage ) { | |
| 130 free(SDL_Ximage); | |
| 131 SDL_Ximage = NULL; | |
| 132 } | |
| 133 if ( screen ) { | |
| 134 screen->pixels = NULL; | |
| 135 } | |
| 136 } | |
| 137 | |
|
21
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
138 /* This is a hack to see whether this system has more than 1 CPU */ |
|
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
139 static int num_CPU(void) |
|
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
140 { |
|
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
141 return 1; |
|
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
142 } |
|
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
143 |
| 0 | 144 int CGX_ResizeImage(_THIS, SDL_Surface *screen, Uint32 flags) |
| 145 { | |
| 146 int retval; | |
| 147 | |
|
21
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
148 D(bug("Chiamata ResizeImage!\n")); |
|
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
149 |
| 0 | 150 CGX_DestroyImage(this, screen); |
| 151 | |
|
21
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
152 if ( flags & SDL_OPENGL ) { /* No image when using GL */ |
| 0 | 153 retval = 0; |
|
21
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
154 } else { |
| 0 | 155 retval = CGX_SetupImage(this, screen); |
|
21
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
156 /* We support asynchronous blitting on the display */ |
|
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
157 if ( flags & SDL_ASYNCBLIT ) { |
|
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
158 /* This is actually slower on single-CPU systems, |
|
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
159 probably because of CPU contention between the |
|
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
160 X server and the application. |
|
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
161 Note: Is this still true with XFree86 4.0? |
|
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
162 */ |
|
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
163 if ( num_CPU() > 1 ) { |
|
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
164 screen->flags |= SDL_ASYNCBLIT; |
|
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
165 } |
|
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
166 } |
| 0 | 167 } |
| 168 return(retval); | |
| 169 } | |
| 170 | |
| 171 /* We don't actually allow hardware surfaces other than the main one */ | |
| 172 int CGX_AllocHWSurface(_THIS, SDL_Surface *surface) | |
| 173 { | |
| 174 D(bug("Alloc HW surface...%ld x %ld x %ld!\n",surface->w,surface->h,this->hidden->depth)); | |
| 175 | |
| 176 if(surface==SDL_VideoSurface) | |
| 177 { | |
| 178 D(bug("Allocation skipped, it's system one!\n")); | |
| 179 return 0; | |
| 180 } | |
| 181 | |
| 182 if(!surface->hwdata) | |
| 183 { | |
| 184 if(!(surface->hwdata=malloc(sizeof(struct private_hwdata)))) | |
| 185 return -1; | |
| 186 } | |
| 187 | |
|
21
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
188 surface->hwdata->lock=NULL; |
|
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
189 surface->hwdata->videodata=this; |
|
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
190 |
| 0 | 191 if(surface->hwdata->bmap=AllocBitMap(surface->w,surface->h,this->hidden->depth,BMF_MINPLANES,SDL_Display->RastPort.BitMap)) |
| 192 { | |
| 193 surface->flags|=SDL_HWSURFACE; | |
| 194 D(bug("...OK\n")); | |
| 195 return 0; | |
| 196 } | |
| 197 else | |
| 198 { | |
| 199 free(surface->hwdata); | |
| 200 surface->hwdata=NULL; | |
| 201 } | |
| 202 | |
| 203 return(-1); | |
| 204 } | |
| 205 void CGX_FreeHWSurface(_THIS, SDL_Surface *surface) | |
| 206 { | |
| 207 if(surface && surface!=SDL_VideoSurface && surface->hwdata) | |
| 208 { | |
| 209 D(bug("Free hw surface.\n")); | |
| 210 | |
| 211 if(surface->hwdata->mask) | |
| 212 free(surface->hwdata->mask); | |
| 213 | |
| 214 if(surface->hwdata->bmap) | |
| 215 FreeBitMap(surface->hwdata->bmap); | |
| 216 | |
| 217 free(surface->hwdata); | |
| 218 surface->hwdata=NULL; | |
| 219 } | |
| 220 return; | |
| 221 } | |
| 222 | |
| 223 int CGX_LockHWSurface(_THIS, SDL_Surface *surface) | |
| 224 { | |
| 225 if (surface->hwdata) | |
| 226 { | |
| 227 // D(bug("Locking a bitmap...\n")); | |
| 228 if(!surface->hwdata->lock) | |
| 229 { | |
| 230 Uint32 pitch; | |
| 231 | |
| 232 if(!(surface->hwdata->lock=LockBitMapTags(surface->hwdata->bmap, | |
| 233 LBMI_BASEADDRESS,(ULONG)&surface->pixels, | |
| 234 LBMI_BYTESPERROW,(ULONG)&pitch,TAG_DONE))) | |
| 235 return -1; | |
| 236 | |
| 237 // surface->pitch e' a 16bit! | |
| 238 | |
| 239 surface->pitch=pitch; | |
| 240 | |
| 241 if(!currently_fullscreen&&surface==SDL_VideoSurface) | |
| 242 surface->pixels=((char *)surface->pixels)+(surface->pitch*(SDL_Window->BorderTop+SDL_Window->TopEdge)+ | |
| 243 surface->format->BytesPerPixel*(SDL_Window->BorderLeft+SDL_Window->LeftEdge)); | |
| 244 } | |
| 245 else | |
| 246 D(bug("Already locked!!!\n")); | |
| 247 } | |
| 248 return(0); | |
| 249 } | |
| 250 void CGX_UnlockHWSurface(_THIS, SDL_Surface *surface) | |
| 251 { | |
| 252 if(surface->hwdata && surface->hwdata->lock) | |
| 253 { | |
| 254 UnLockBitMap(surface->hwdata->lock); | |
| 255 surface->hwdata->lock=NULL; | |
|
21
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
256 // surface->pixels=NULL; |
| 0 | 257 } |
| 258 } | |
| 259 | |
| 260 int CGX_FlipHWSurface(_THIS, SDL_Surface *surface) | |
| 261 { | |
| 262 static int current=0; | |
| 263 | |
| 264 if(this->hidden->dbuffer) | |
| 265 { | |
| 266 if(!SafeChange) | |
| 267 { | |
| 268 Wait(disp_sigbit); | |
| 269 // Non faccio nulla, vuoto solo la porta | |
| 270 while(GetMsg(dispport)!=NULL) | |
| 271 ; | |
| 272 SafeChange=TRUE; | |
| 273 } | |
| 274 | |
| 275 if(ChangeScreenBuffer(SDL_Display,this->hidden->SB[current^1])) | |
| 276 { | |
| 277 surface->hwdata->bmap=SDL_RastPort->BitMap=this->hidden->SB[current]->sb_BitMap; | |
| 278 SafeChange=FALSE; | |
| 279 SafeDisp=FALSE; | |
| 280 current^=1; | |
| 281 } | |
| 282 | |
| 283 if(!SafeDisp) | |
| 284 { | |
| 285 Wait(safe_sigbit); | |
| 286 while(GetMsg(safeport)!=NULL) | |
| 287 ; | |
| 288 SafeDisp=TRUE; | |
| 289 } | |
| 290 | |
| 291 } | |
| 292 return(0); | |
| 293 } | |
| 294 | |
| 295 /* Byte-swap the pixels in the display image */ | |
| 296 static void CGX_SwapAllPixels(SDL_Surface *screen) | |
| 297 { | |
| 298 int x, y; | |
| 299 | |
| 300 switch (screen->format->BytesPerPixel) { | |
| 301 case 2: { | |
| 302 Uint16 *spot; | |
| 303 for ( y=0; y<screen->h; ++y ) { | |
| 304 spot = (Uint16 *) ((Uint8 *)screen->pixels + | |
| 305 y * screen->pitch); | |
| 306 for ( x=0; x<screen->w; ++x, ++spot ) { | |
| 307 *spot = SDL_Swap16(*spot); | |
| 308 } | |
| 309 } | |
| 310 } | |
| 311 break; | |
| 312 | |
| 313 case 4: { | |
| 314 Uint32 *spot; | |
| 315 for ( y=0; y<screen->h; ++y ) { | |
| 316 spot = (Uint32 *) ((Uint8 *)screen->pixels + | |
| 317 y * screen->pitch); | |
| 318 for ( x=0; x<screen->w; ++x, ++spot ) { | |
| 319 *spot = SDL_Swap32(*spot); | |
| 320 } | |
| 321 } | |
| 322 } | |
| 323 break; | |
| 324 | |
| 325 default: | |
| 326 /* should never get here */ | |
| 327 break; | |
| 328 } | |
| 329 } | |
| 330 static void CGX_SwapPixels(SDL_Surface *screen, int numrects, SDL_Rect *rects) | |
| 331 { | |
| 332 int i; | |
| 333 int x, minx, maxx; | |
| 334 int y, miny, maxy; | |
| 335 | |
| 336 switch (screen->format->BytesPerPixel) { | |
| 337 case 2: { | |
| 338 Uint16 *spot; | |
| 339 for ( i=0; i<numrects; ++i ) { | |
| 340 minx = rects[i].x; | |
| 341 maxx = rects[i].x+rects[i].w; | |
| 342 miny = rects[i].y; | |
| 343 maxy = rects[i].y+rects[i].h; | |
| 344 for ( y=miny; y<maxy; ++y ) { | |
| 345 spot = (Uint16 *) ((Uint8 *)screen->pixels + | |
| 346 y * screen->pitch + minx * 2); | |
| 347 for ( x=minx; x<maxx; ++x, ++spot ) { | |
| 348 *spot = SDL_Swap16(*spot); | |
| 349 } | |
| 350 } | |
| 351 } | |
| 352 } | |
| 353 break; | |
| 354 | |
| 355 case 4: { | |
| 356 Uint32 *spot; | |
| 357 for ( i=0; i<numrects; ++i ) { | |
| 358 minx = rects[i].x; | |
| 359 maxx = rects[i].x+rects[i].w; | |
| 360 miny = rects[i].y; | |
| 361 maxy = rects[i].y+rects[i].h; | |
| 362 for ( y=miny; y<maxy; ++y ) { | |
| 363 spot = (Uint32 *) ((Uint8 *)screen->pixels + | |
| 364 y * screen->pitch + minx * 4); | |
| 365 for ( x=minx; x<maxx; ++x, ++spot ) { | |
| 366 *spot = SDL_Swap32(*spot); | |
| 367 } | |
| 368 } | |
| 369 } | |
| 370 } | |
| 371 break; | |
| 372 | |
| 373 default: | |
| 374 /* should never get here */ | |
| 375 break; | |
| 376 } | |
| 377 } | |
| 378 | |
| 379 #ifdef __SASC | |
| 380 | |
| 381 #define USE_WPA WritePixelArray | |
| 382 #else | |
| 383 | |
| 384 void USE_WPA(char *a,int b,int c,int d, struct RastPort *e,int f,int g, int h, int i, Uint32 l) | |
| 385 { | |
| 386 WritePixelArray(a,b,c,d,e,f,g,h,i,l); | |
| 387 } | |
| 388 | |
| 389 #endif | |
| 390 | |
| 391 static void CGX_FakeUpdate(_THIS, int numrects, SDL_Rect *rects) | |
| 392 { | |
| 393 } | |
| 394 | |
| 395 static void CGX_NormalUpdate(_THIS, int numrects, SDL_Rect *rects) | |
| 396 { | |
| 397 int i,format,customroutine=0; | |
| 398 #ifndef USE_CGX_WRITELUTPIXEL | |
| 399 int bpp; | |
| 400 #endif | |
| 401 if(this->hidden->same_format) | |
| 402 { | |
| 403 format=RECTFMT_RAW; | |
| 404 } | |
| 405 else switch(this->screen->format->BytesPerPixel) | |
| 406 { | |
| 407 case 4: | |
| 408 format=RECTFMT_RGBA; | |
| 409 break; | |
| 410 case 3: | |
| 411 format=RECTFMT_RGB; | |
| 412 break; | |
| 413 case 2: | |
| 414 customroutine=1; | |
| 415 break; | |
| 416 case 1: | |
| 417 // D(bug("soft depth: 8 hardbpp: %ld\n",this->hidden->depth)); | |
| 418 if(this->hidden->depth>8) | |
| 419 { | |
| 420 #ifndef USE_CGX_WRITELUTPIXEL | |
| 421 if(this->hidden->depth>32) | |
| 422 customroutine=4; | |
| 423 else if(this->hidden->depth>16) | |
| 424 { | |
| 425 bpp=this->hidden->BytesPerPixel; // That one is the only one that needs bpp | |
| 426 customroutine=2; // The slow one! | |
| 427 } | |
| 428 else | |
| 429 customroutine=3; | |
| 430 #else | |
| 431 | |
| 432 customroutine=2; | |
| 433 #endif | |
| 434 | |
| 435 // format=RECTFMT_LUT8; Vecchia funzione x usare la WritePixelArray. | |
| 436 } | |
| 437 else | |
| 438 customroutine=1; | |
| 439 break; | |
| 440 default: | |
| 441 D(bug("Unable to blit this surface!\n")); | |
| 442 return; | |
| 443 } | |
| 444 | |
| 445 /* Check for endian-swapped X server, swap if necessary (VERY slow!) */ | |
| 446 if ( swap_pixels && | |
| 447 ((this->screen->format->BytesPerPixel%2) == 0) ) { | |
| 448 D(bug("Swappo! Lento!\n")); | |
| 449 CGX_SwapPixels(this->screen, numrects, rects); | |
| 450 for ( i=0; i<numrects; ++i ) { | |
| 451 if ( ! rects[i].w ) { /* Clipped? */ | |
| 452 continue; | |
| 453 } | |
| 454 USE_WPA(this->screen->pixels,rects[i].x, rects[i].y,this->screen->pitch, | |
| 455 SDL_RastPort,SDL_Window->BorderLeft+rects[i].x,SDL_Window->BorderTop+rects[i].y, | |
| 456 rects[i].w,rects[i].h,format); | |
| 457 } | |
| 458 CGX_SwapPixels(this->screen, numrects, rects); | |
| 459 } | |
| 460 else if (customroutine==2) | |
| 461 { | |
| 462 #ifdef USE_CGX_WRITELUTPIXEL | |
| 463 for ( i=0; i<numrects; ++i ) { | |
| 464 if ( ! rects[i].w ) { /* Clipped? */ | |
| 465 continue; | |
| 466 } | |
| 467 | |
| 468 WLUT(this->screen->pixels,rects[i].x, rects[i].y,this->screen->pitch, | |
| 469 SDL_RastPort,SDL_XPixels,SDL_Window->BorderLeft+rects[i].x,SDL_Window->BorderTop+rects[i].y, | |
| 470 rects[i].w,rects[i].h,CTABFMT_XRGB8); | |
| 471 } | |
| 472 #else | |
| 473 unsigned char *bm_address; | |
| 474 Uint32 destpitch; | |
| 475 APTR handle; | |
| 476 | |
| 477 if(handle=LockBitMapTags(SDL_RastPort->BitMap,LBMI_BASEADDRESS,&bm_address, | |
| 478 LBMI_BYTESPERROW,&destpitch,TAG_DONE)) | |
| 479 { | |
| 480 int srcwidth; | |
| 481 unsigned char *destbase; | |
| 482 register int j,k,t; | |
| 483 register unsigned char *mask,*dst; | |
| 484 register unsigned char *src,*dest; | |
| 485 | |
| 486 // Aggiungo il bordo della finestra se sono fullscreen. | |
| 487 if(currently_fullscreen) | |
| 488 destbase=bm_address; | |
| 489 else | |
| 490 destbase=bm_address+(SDL_Window->TopEdge+SDL_Window->BorderTop)*destpitch+(SDL_Window->BorderLeft+SDL_Window->LeftEdge)*this->hidden->BytesPerPixel; | |
| 491 | |
| 492 for ( i=0; i<numrects; ++i ) | |
| 493 { | |
| 494 srcwidth=rects[i].w; | |
| 495 | |
| 496 if ( !srcwidth ) { /* Clipped? */ | |
| 497 continue; | |
| 498 } | |
| 499 | |
| 500 dest=destbase+rects[i].x*this->hidden->BytesPerPixel; | |
| 501 dest+=(rects[i].y*destpitch); | |
| 502 src=((char *)(this->screen->pixels))+rects[i].x; | |
| 503 src+=(rects[i].y*this->screen->pitch); | |
| 504 | |
| 505 for(j=rects[i].h;j;--j) | |
| 506 { | |
| 507 dst=dest; | |
| 508 // SLOW routine, used for 8->24 bit mapping | |
| 509 for(k=0;k<srcwidth;k++) | |
| 510 { | |
| 511 mask=(unsigned char *)(&SDL_XPixels[src[k]]); | |
| 512 for(t=0;t<bpp;t++) | |
| 513 { | |
| 514 dst[t]=mask[t]; | |
| 515 } | |
| 516 dst+=bpp; | |
| 517 } | |
| 518 src+=this->screen->pitch; | |
| 519 dest+=destpitch; | |
| 520 } | |
| 521 } | |
| 522 UnLockBitMap(handle); | |
| 523 } | |
| 524 } | |
| 525 else if (customroutine==3) | |
| 526 { | |
| 527 unsigned char *bm_address; | |
| 528 Uint32 destpitch; | |
| 529 APTR handle; | |
| 530 | |
| 531 if(handle=LockBitMapTags(SDL_RastPort->BitMap,LBMI_BASEADDRESS,&bm_address, | |
| 532 LBMI_BYTESPERROW,&destpitch,TAG_DONE)) | |
| 533 { | |
| 534 int srcwidth; | |
| 535 unsigned char *destbase; | |
| 536 register int j,k; | |
| 537 register unsigned char *src,*dest; | |
| 538 register Uint16 *destl,*srcl; | |
| 539 | |
| 540 if(currently_fullscreen) | |
| 541 destbase=bm_address; | |
| 542 else | |
| 543 destbase=bm_address+(SDL_Window->TopEdge+SDL_Window->BorderTop)*destpitch+(SDL_Window->BorderLeft+SDL_Window->LeftEdge)*this->hidden->BytesPerPixel; | |
| 544 | |
| 545 for ( i=0; i<numrects; ++i ) | |
| 546 { | |
| 547 srcwidth=rects[i].w; | |
| 548 | |
| 549 if ( !srcwidth ) { /* Clipped? */ | |
| 550 continue; | |
| 551 } | |
| 552 | |
| 553 dest=destbase+rects[i].x*this->hidden->BytesPerPixel; | |
| 554 dest+=(rects[i].y*destpitch); | |
| 555 src=((char *)(this->screen->pixels))+rects[i].x; | |
| 556 src+=(rects[i].y*this->screen->pitch); | |
| 557 | |
| 558 // This is the fast, well not too slow, remapping code for 16bit displays | |
| 559 | |
| 560 for(j=rects[i].h;j;--j) | |
| 561 { | |
| 562 destl=(Uint16 *)dest; | |
| 563 | |
| 564 for(k=0;k<srcwidth;k++) | |
| 565 { | |
| 566 srcl=(Uint16 *)&SDL_XPixels[src[k]]; | |
| 567 *destl=*srcl; | |
| 568 destl++; | |
| 569 } | |
| 570 src+=this->screen->pitch; | |
| 571 dest+=destpitch; | |
| 572 } | |
| 573 } | |
| 574 UnLockBitMap(handle); | |
| 575 } | |
| 576 } | |
| 577 else if (customroutine==4) | |
| 578 { | |
| 579 unsigned char *bm_address; | |
| 580 Uint32 destpitch; | |
| 581 APTR handle; | |
| 582 | |
| 583 if(handle=LockBitMapTags(SDL_RastPort->BitMap,LBMI_BASEADDRESS,&bm_address, | |
| 584 LBMI_BYTESPERROW,&destpitch,TAG_DONE)) | |
| 585 { | |
| 586 int srcwidth; | |
| 587 unsigned char *destbase; | |
| 588 register int j,k; | |
| 589 register unsigned char *src,*dest; | |
| 590 register Uint32 *destl,*srcl; | |
| 591 | |
| 592 if(currently_fullscreen) | |
| 593 destbase=bm_address; | |
| 594 else | |
| 595 destbase=bm_address+(SDL_Window->TopEdge+SDL_Window->BorderTop)*destpitch+(SDL_Window->BorderLeft+SDL_Window->LeftEdge)*this->hidden->BytesPerPixel; | |
| 596 | |
| 597 for ( i=0; i<numrects; ++i ) | |
| 598 { | |
| 599 srcwidth=rects[i].w; | |
| 600 | |
| 601 if ( !srcwidth ) { /* Clipped? */ | |
| 602 continue; | |
| 603 } | |
| 604 | |
| 605 dest=destbase+rects[i].x*this->hidden->BytesPerPixel; | |
| 606 dest+=(rects[i].y*destpitch); | |
| 607 src=((char *)(this->screen->pixels))+rects[i].x; | |
| 608 src+=(rects[i].y*this->screen->pitch); | |
| 609 | |
| 610 // This is the fast, well not too slow, remapping code for 32bit displays | |
| 611 | |
| 612 for(j=rects[i].h;j;--j) | |
| 613 { | |
| 614 destl=(Uint32 *)dest; | |
| 615 | |
| 616 for(k=0;k<srcwidth;k++) | |
| 617 { | |
| 618 srcl=(Uint32 *)&SDL_XPixels[src[k]]; | |
| 619 *destl=*srcl; | |
| 620 destl++; | |
| 621 } | |
| 622 src+=this->screen->pitch; | |
| 623 dest+=destpitch; | |
| 624 } | |
| 625 } | |
| 626 UnLockBitMap(handle); | |
| 627 } | |
| 628 #endif | |
| 629 } | |
| 630 else if(customroutine) | |
| 631 { | |
| 632 unsigned char *bm_address; | |
| 633 Uint32 destpitch; | |
| 634 APTR handle; | |
| 635 | |
| 636 // D(bug("Uso customroutine!\n")); | |
| 637 | |
| 638 if(handle=LockBitMapTags(SDL_RastPort->BitMap,LBMI_BASEADDRESS,(ULONG)&bm_address, | |
| 639 LBMI_BYTESPERROW,(ULONG)&destpitch,TAG_DONE)) | |
| 640 { | |
| 641 unsigned char *destbase; | |
| 642 register int j,srcwidth; | |
| 643 register unsigned char *src,*dest; | |
| 644 | |
| 645 // Aggiungo il bordo della finestra se sono fullscreen. | |
| 646 if(currently_fullscreen) | |
| 647 destbase=bm_address; | |
| 648 else | |
| 649 destbase=bm_address+(SDL_Window->TopEdge+SDL_Window->BorderTop)*destpitch+(SDL_Window->BorderLeft+SDL_Window->LeftEdge)*this->screen->format->BytesPerPixel; | |
| 650 | |
| 651 for ( i=0; i<numrects; ++i ) | |
| 652 { | |
| 653 srcwidth=rects[i].w; | |
| 654 | |
| 655 if ( !srcwidth ) { /* Clipped? */ | |
| 656 continue; | |
| 657 } | |
| 658 | |
| 659 dest=destbase+rects[i].x*this->screen->format->BytesPerPixel; | |
| 660 dest+=(rects[i].y*destpitch); | |
| 661 src=((char *)(this->screen->pixels))+rects[i].x*this->screen->format->BytesPerPixel; | |
| 662 src+=(rects[i].y*this->screen->pitch); | |
| 663 | |
| 664 srcwidth*=this->screen->format->BytesPerPixel; | |
| 665 | |
| 666 // 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)); | |
| 667 | |
| 668 for(j=rects[i].h;j;--j) | |
| 669 { | |
| 670 memcpy(dest,src,srcwidth); | |
| 671 src+=this->screen->pitch; | |
| 672 dest+=destpitch; | |
| 673 } | |
| 674 } | |
| 675 UnLockBitMap(handle); | |
| 676 // D(bug("Rectblit addr: %lx pitch: %ld rects:%ld srcptr: %lx srcpitch: %ld\n",bm_address,destpitch,numrects,this->screen->pixels,this->screen->pitch)); | |
| 677 } | |
| 678 } | |
| 679 else | |
| 680 { | |
| 681 for ( i=0; i<numrects; ++i ) { | |
| 682 if ( ! rects[i].w ) { /* Clipped? */ | |
| 683 continue; | |
| 684 } | |
| 685 USE_WPA(this->screen->pixels,rects[i].x, rects[i].y,this->screen->pitch, | |
| 686 SDL_RastPort,SDL_Window->BorderLeft+rects[i].x,SDL_Window->BorderTop+rects[i].y, | |
| 687 rects[i].w,rects[i].h,format); | |
| 688 | |
| 689 /* | |
| 690 XPutImage(GFX_Display, SDL_Window, SDL_GC, SDL_Ximage, | |
| 691 rects[i].x, rects[i].y, | |
| 692 rects[i].x, rects[i].y, rects[i].w, rects[i].h); | |
| 693 */ | |
| 694 } | |
| 695 } | |
| 696 /* | |
| 697 if ( SDL_VideoSurface->flags & SDL_ASYNCBLIT ) { | |
| 698 ++blit_queued; | |
| 699 } else { | |
| 700 } | |
| 701 */ | |
| 702 } | |
| 703 | |
| 704 void CGX_RefreshDisplay(_THIS) | |
| 705 { | |
| 706 int format,customroutine=0; | |
| 707 #ifndef USE_CGX_WRITELUTPIXEL | |
| 708 int bpp; | |
| 709 #endif | |
| 710 /* Don't refresh a display that doesn't have an image (like GL) */ | |
| 711 if ( ! SDL_Ximage ) { | |
| 712 return; | |
| 713 } | |
| 714 | |
| 715 if(this->hidden->same_format) | |
| 716 { | |
| 717 format=RECTFMT_RAW; | |
| 718 } | |
| 719 else switch(this->screen->format->BytesPerPixel) | |
| 720 { | |
| 721 case 4: | |
| 722 format=RECTFMT_RGBA; | |
| 723 break; | |
| 724 case 3: | |
| 725 format=RECTFMT_RGB; | |
| 726 break; | |
| 727 case 2: | |
| 728 customroutine=1; | |
| 729 break; | |
| 730 case 1: | |
| 731 // D(bug("soft depth: 8 hardbpp: %ld\n",this->hidden->depth)); | |
| 732 if(this->hidden->depth>8) | |
| 733 { | |
| 734 #ifndef USE_CGX_WRITELUTPIXEL | |
| 735 if(this->hidden->depth>32) | |
| 736 customroutine=4; | |
| 737 else if(this->hidden->depth>16) | |
| 738 { | |
| 739 bpp=this->hidden->BytesPerPixel; // That one is the only one that needs bpp | |
| 740 customroutine=2; // The slow one! | |
| 741 } | |
| 742 else | |
| 743 customroutine=3; | |
| 744 #else | |
| 745 | |
| 746 customroutine=2; | |
| 747 #endif | |
| 748 // format=RECTFMT_LUT8; | |
| 749 } | |
| 750 else | |
| 751 customroutine=1; | |
| 752 break; | |
| 753 | |
| 754 } | |
| 755 | |
| 756 /* Check for endian-swapped X server, swap if necessary */ | |
| 757 if ( swap_pixels && | |
| 758 ((this->screen->format->BytesPerPixel%2) == 0) ) { | |
| 759 CGX_SwapAllPixels(this->screen); | |
| 760 USE_WPA(this->screen->pixels,0,0,this->screen->pitch, | |
| 761 SDL_RastPort,SDL_Window->BorderLeft,SDL_Window->BorderTop, | |
| 762 this->screen->w,this->screen->h,format); | |
| 763 CGX_SwapAllPixels(this->screen); | |
| 764 } | |
| 765 else if (customroutine==2) | |
| 766 { | |
| 767 #ifdef USE_CGX_WRITELUTPIXEL | |
| 768 WLUT(this->screen->pixels,0,0,this->screen->pitch, | |
| 769 SDL_RastPort,SDL_XPixels,SDL_Window->BorderLeft,SDL_Window->BorderTop, | |
| 770 this->screen->w,this->screen->h,CTABFMT_XRGB8); | |
| 771 #else | |
| 772 unsigned char *bm_address; | |
| 773 Uint32 destpitch; | |
| 774 APTR handle; | |
| 775 | |
| 776 if(handle=LockBitMapTags(SDL_RastPort->BitMap,LBMI_BASEADDRESS,(ULONG)&bm_address, | |
| 777 LBMI_BYTESPERROW,(ULONG)&destpitch,TAG_DONE)) | |
| 778 { | |
| 779 register int j,k,t; | |
| 780 register unsigned char *mask,*dst; | |
| 781 register unsigned char *src,*dest; | |
| 782 | |
| 783 // Aggiungo il bordo della finestra se sono fullscreen. | |
| 784 if(!currently_fullscreen) | |
| 785 dest=bm_address+(SDL_Window->TopEdge+SDL_Window->BorderTop)*destpitch+(SDL_Window->BorderLeft+SDL_Window->LeftEdge)*this->hidden->BytesPerPixel; | |
| 786 else | |
| 787 dest=bm_address; | |
| 788 | |
| 789 src=this->screen->pixels; | |
| 790 | |
| 791 for(j=this->screen->h;j;--j) | |
| 792 { | |
| 793 dst=dest; | |
| 794 // SLOW routine, used for 8->24 bit mapping | |
| 795 for(k=0;k<this->screen->w;k++) | |
| 796 { | |
| 797 mask=(unsigned char *)(&SDL_XPixels[src[k]]); | |
| 798 for(t=0;t<bpp;t++) | |
| 799 { | |
| 800 dst[t]=mask[t]; | |
| 801 } | |
| 802 dst+=bpp; | |
| 803 } | |
| 804 src+=this->screen->pitch; | |
| 805 dest+=destpitch; | |
| 806 } | |
| 807 UnLockBitMap(handle); | |
| 808 } | |
| 809 } | |
| 810 else if (customroutine==3) | |
| 811 { | |
| 812 unsigned char *bm_address; | |
| 813 Uint32 destpitch; | |
| 814 APTR handle; | |
| 815 | |
| 816 if(handle=LockBitMapTags(SDL_RastPort->BitMap,LBMI_BASEADDRESS,(ULONG)&bm_address, | |
| 817 LBMI_BYTESPERROW,(ULONG)&destpitch,TAG_DONE)) | |
| 818 { | |
| 819 register int j,k; | |
| 820 register unsigned char *src,*dest; | |
| 821 register Uint16 *destl,*srcl; | |
| 822 | |
| 823 if(!currently_fullscreen) | |
| 824 dest=bm_address+(SDL_Window->TopEdge+SDL_Window->BorderTop)*destpitch+(SDL_Window->BorderLeft+SDL_Window->LeftEdge)*this->hidden->BytesPerPixel; | |
| 825 else | |
| 826 dest=bm_address; | |
| 827 | |
| 828 src=this->screen->pixels; | |
| 829 | |
| 830 // This is the fast, well not too slow, remapping code for 16bit displays | |
| 831 | |
| 832 for(j=this->screen->h;j;--j) | |
| 833 { | |
| 834 destl=(Uint16 *)dest; | |
| 835 | |
| 836 for(k=0;k<this->screen->w;k++) | |
| 837 { | |
| 838 srcl=(Uint16 *)&SDL_XPixels[src[k]]; | |
| 839 *destl=*srcl; | |
| 840 destl++; | |
| 841 } | |
| 842 src+=this->screen->pitch; | |
| 843 dest+=destpitch; | |
| 844 } | |
| 845 UnLockBitMap(handle); | |
| 846 } | |
| 847 } | |
| 848 else if (customroutine==4) | |
| 849 { | |
| 850 unsigned char *bm_address; | |
| 851 Uint32 destpitch; | |
| 852 APTR handle; | |
| 853 | |
| 854 if(handle=LockBitMapTags(SDL_RastPort->BitMap,LBMI_BASEADDRESS,(ULONG)&bm_address, | |
| 855 LBMI_BYTESPERROW,(ULONG)&destpitch,TAG_DONE)) | |
| 856 { | |
| 857 register int j,k; | |
| 858 register unsigned char *src,*dest; | |
| 859 register Uint32 *destl,*srcl; | |
| 860 | |
| 861 if(!currently_fullscreen) | |
| 862 dest=bm_address+(SDL_Window->TopEdge+SDL_Window->BorderTop)*destpitch+(SDL_Window->BorderLeft+SDL_Window->LeftEdge)*this->hidden->BytesPerPixel; | |
| 863 else | |
| 864 dest=bm_address; | |
| 865 | |
| 866 src=this->screen->pixels; | |
| 867 | |
| 868 // This is the fast, well not too slow, remapping code for 32bit displays | |
| 869 | |
| 870 for(j=this->screen->h;j;--j) | |
| 871 { | |
| 872 destl=(Uint32 *)dest; | |
| 873 | |
| 874 for(k=0;k<this->screen->w;k++) | |
| 875 { | |
| 876 srcl=(Uint32 *)&SDL_XPixels[src[k]]; | |
| 877 *destl=*srcl; | |
| 878 destl++; | |
| 879 } | |
| 880 src+=this->screen->pitch; | |
| 881 dest+=destpitch; | |
| 882 } | |
| 883 UnLockBitMap(handle); | |
| 884 } | |
| 885 #endif | |
| 886 } | |
| 887 else if(customroutine) | |
| 888 { | |
| 889 unsigned char *bm_address; | |
| 890 Uint32 destpitch; | |
| 891 APTR handle; | |
| 892 | |
| 893 if(handle=LockBitMapTags(SDL_RastPort->BitMap, | |
| 894 LBMI_BASEADDRESS,(ULONG)&bm_address, | |
| 895 LBMI_BYTESPERROW,(ULONG)&destpitch,TAG_DONE)) | |
| 896 { | |
| 897 register int j; | |
| 898 register unsigned char *src,*dest; | |
| 899 | |
| 900 if(!currently_fullscreen) | |
| 901 dest=bm_address+(SDL_Window->TopEdge+SDL_Window->BorderTop)*destpitch+(SDL_Window->BorderLeft+SDL_Window->LeftEdge)*this->screen->format->BytesPerPixel; | |
| 902 else | |
| 903 dest=bm_address; | |
| 904 | |
| 905 src=this->screen->pixels; | |
| 906 | |
| 907 // D(bug("addr: %lx pitch: %ld src:%lx srcpitch: %ld\n",dest,destpitch,this->screen->pixels,this->screen->pitch)); | |
| 908 | |
| 909 if(this->screen->pitch==destpitch) | |
| 910 { | |
| 911 memcpy(dest,src,this->screen->pitch*this->screen->h); | |
| 912 } | |
| 913 else | |
| 914 { | |
| 915 for(j=this->screen->h;j;--j) | |
| 916 { | |
| 917 memcpy(dest,src,this->screen->pitch); | |
| 918 src+=this->screen->pitch; | |
| 919 dest+=destpitch; | |
| 920 } | |
| 921 } | |
| 922 | |
| 923 UnLockBitMap(handle); | |
| 924 } | |
| 925 } | |
| 926 else | |
| 927 { | |
| 928 USE_WPA(this->screen->pixels,0,0,this->screen->pitch, | |
| 929 SDL_RastPort,SDL_Window->BorderLeft,SDL_Window->BorderTop, | |
| 930 this->screen->w,this->screen->h,format); | |
| 931 } | |
| 932 | |
| 933 } |