Mercurial > sdl-ios-xcode
annotate src/video/wscons/SDL_wsconsvideo.c @ 1338:604d73db6802
Removed uses of stdlib.h and string.h
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Tue, 07 Feb 2006 09:29:18 +0000 |
| parents | 3692456e7b0f |
| children | c71e05b4dc2e |
| rev | line source |
|---|---|
| 1187 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
|
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3 Copyright (C) 1997-2006 Sam Lantinga |
| 1187 | 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 |
| 1187 | 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. |
| 1187 | 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. |
| 1187 | 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 |
| 1187 | 18 |
| 19 Sam Lantinga | |
| 20 slouken@libsdl.org | |
| 21 */ | |
| 22 | |
| 23 #include <sys/time.h> | |
| 24 #include <sys/mman.h> | |
| 25 #include <sys/ioctl.h> | |
| 26 #include <dev/wscons/wsdisplay_usl_io.h> | |
| 27 #include <fcntl.h> | |
| 28 #include <unistd.h> | |
| 29 #include <errno.h> | |
| 30 | |
| 31 #include "SDL.h" | |
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32 #include "SDL_stdlib.h" |
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33 #include "SDL_string.h" |
| 1187 | 34 #include "SDL_error.h" |
| 35 #include "SDL_video.h" | |
| 36 #include "SDL_mouse.h" | |
| 37 #include "SDL_sysvideo.h" | |
| 38 #include "SDL_pixels_c.h" | |
| 39 #include "SDL_events_c.h" | |
| 40 | |
| 41 #include "SDL_wsconsvideo.h" | |
| 42 #include "SDL_wsconsevents_c.h" | |
| 43 #include "SDL_wsconsmouse_c.h" | |
| 44 | |
| 45 #define WSCONSVID_DRIVER_NAME "wscons" | |
| 46 enum { | |
| 47 WSCONS_ROTATE_NONE = 0, | |
| 48 WSCONS_ROTATE_CCW = 90, | |
| 49 WSCONS_ROTATE_UD = 180, | |
| 50 WSCONS_ROTATE_CW = 270 | |
| 51 }; | |
| 52 | |
| 53 #define min(a,b) ((a)<(b)?(a):(b)) | |
| 54 | |
| 55 /* Initialization/Query functions */ | |
| 56 static int WSCONS_VideoInit(_THIS, SDL_PixelFormat *vformat); | |
| 57 static SDL_Rect **WSCONS_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags); | |
| 58 static SDL_Surface *WSCONS_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags); | |
| 59 static int WSCONS_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors); | |
| 60 static void WSCONS_VideoQuit(_THIS); | |
| 61 | |
| 62 /* Hardware surface functions */ | |
| 63 static int WSCONS_AllocHWSurface(_THIS, SDL_Surface *surface); | |
| 64 static int WSCONS_LockHWSurface(_THIS, SDL_Surface *surface); | |
| 65 static void WSCONS_UnlockHWSurface(_THIS, SDL_Surface *surface); | |
| 66 static void WSCONS_FreeHWSurface(_THIS, SDL_Surface *surface); | |
| 67 | |
| 68 /* etc. */ | |
| 69 static WSCONS_bitBlit WSCONS_blit16; | |
| 70 static WSCONS_bitBlit WSCONS_blit16blocked; | |
| 71 static void WSCONS_UpdateRects(_THIS, int numrects, SDL_Rect *rects); | |
| 72 | |
| 73 void WSCONS_ReportError(char *fmt, ...) | |
| 74 { | |
| 75 char message[200]; | |
| 76 | |
| 77 message[199] = '\0'; | |
| 78 | |
| 79 va_list vaArgs; | |
| 80 va_start(vaArgs, fmt); | |
| 81 vsnprintf(message, 199, fmt, vaArgs); | |
| 82 va_end(vaArgs); | |
| 83 | |
| 84 SDL_SetError(message); | |
| 85 fprintf(stderr, "WSCONS error: %s\n", message); | |
| 86 } | |
| 87 | |
| 88 /* WSCONS driver bootstrap functions */ | |
| 89 | |
| 90 static int WSCONS_Available(void) | |
| 91 { | |
| 92 return 1; | |
| 93 } | |
| 94 | |
| 95 static void WSCONS_DeleteDevice(SDL_VideoDevice *device) | |
| 96 { | |
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97 SDL_free(device->hidden); |
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98 SDL_free(device); |
| 1187 | 99 } |
| 100 | |
| 101 static SDL_VideoDevice *WSCONS_CreateDevice(int devindex) | |
| 102 { | |
| 103 SDL_VideoDevice *device; | |
| 104 | |
| 105 /* Initialize all variables that we clean on shutdown */ | |
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106 device = (SDL_VideoDevice *)SDL_malloc(sizeof(SDL_VideoDevice)); |
| 1187 | 107 if (device == NULL) { |
| 108 SDL_OutOfMemory(); | |
| 109 return 0; | |
| 110 } | |
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111 SDL_memset(device, 0, (sizeof *device)); |
| 1187 | 112 device->hidden = |
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113 (struct SDL_PrivateVideoData *)SDL_malloc((sizeof *device->hidden)); |
| 1187 | 114 if (device->hidden == NULL) { |
| 115 SDL_OutOfMemory(); | |
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116 SDL_free(device); |
| 1187 | 117 return(0); |
| 118 } | |
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119 SDL_memset(device->hidden, 0, (sizeof *device->hidden)); |
| 1187 | 120 device->hidden->fd = -1; |
| 121 | |
| 122 /* Set the function pointers */ | |
| 123 device->VideoInit = WSCONS_VideoInit; | |
| 124 device->ListModes = WSCONS_ListModes; | |
| 125 device->SetVideoMode = WSCONS_SetVideoMode; | |
| 126 device->SetColors = WSCONS_SetColors; | |
| 127 device->UpdateRects = WSCONS_UpdateRects; | |
| 128 device->VideoQuit = WSCONS_VideoQuit; | |
| 129 device->AllocHWSurface = WSCONS_AllocHWSurface; | |
| 130 device->LockHWSurface = WSCONS_LockHWSurface; | |
| 131 device->UnlockHWSurface = WSCONS_UnlockHWSurface; | |
| 132 device->FreeHWSurface = WSCONS_FreeHWSurface; | |
| 133 device->InitOSKeymap = WSCONS_InitOSKeymap; | |
| 134 device->PumpEvents = WSCONS_PumpEvents; | |
| 135 device->free = WSCONS_DeleteDevice; | |
| 136 | |
| 137 return device; | |
| 138 } | |
| 139 | |
| 140 VideoBootStrap WSCONS_bootstrap = { | |
| 141 WSCONSVID_DRIVER_NAME, | |
| 142 "SDL wscons video driver", | |
| 143 WSCONS_Available, | |
| 144 WSCONS_CreateDevice | |
| 145 }; | |
| 146 | |
| 147 #define WSCONSDEV_FORMAT "/dev/ttyC%01x" | |
| 148 | |
| 149 int WSCONS_VideoInit(_THIS, SDL_PixelFormat *vformat) | |
| 150 { | |
| 151 char devnamebuf[30]; | |
| 152 char *devname; | |
| 153 char *rotation; | |
| 154 int wstype; | |
| 155 int wsmode = WSDISPLAYIO_MODE_DUMBFB; | |
| 156 size_t len, mapsize; | |
| 157 int pagemask; | |
| 158 int width, height; | |
| 159 | |
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160 devname = SDL_getenv("SDL_WSCONSDEV"); |
| 1187 | 161 if (devname == NULL) { |
| 162 int activeVT; | |
| 163 if (ioctl(STDIN_FILENO, VT_GETACTIVE, &activeVT) == -1) { | |
| 164 WSCONS_ReportError("Unable to determine active terminal: %s", | |
| 165 strerror(errno)); | |
| 166 return -1; | |
| 167 } | |
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168 SDL_snprintf(devnamebuf, sizeof(devnamebuf), WSCONSDEV_FORMAT, activeVT - 1); |
| 1187 | 169 devname = devnamebuf; |
| 170 } | |
| 171 | |
| 172 private->fd = open(devname, O_RDWR | O_NONBLOCK, 0); | |
| 173 if (private->fd == -1) { | |
| 174 WSCONS_ReportError("open %s: %s", devname, strerror(errno)); | |
| 175 return -1; | |
| 176 } | |
| 177 if (ioctl(private->fd, WSDISPLAYIO_GINFO, &private->info) == -1) { | |
| 178 WSCONS_ReportError("ioctl WSDISPLAY_GINFO: %s", strerror(errno)); | |
| 179 return -1; | |
| 180 } | |
| 181 if (ioctl(private->fd, WSDISPLAYIO_GTYPE, &wstype) == -1) { | |
| 182 WSCONS_ReportError("ioctl WSDISPLAY_GTYPE: %s", strerror(errno)); | |
| 183 return -1; | |
| 184 } | |
| 185 if (ioctl(private->fd, WSDISPLAYIO_LINEBYTES, &private->physlinebytes) == -1) { | |
| 186 WSCONS_ReportError("ioctl WSDISPLAYIO_LINEBYTES: %s", strerror(errno)); | |
| 187 return -1; | |
| 188 } | |
| 189 if (private->info.depth > 8) { | |
| 190 if (wstype == WSDISPLAY_TYPE_SUN24 || | |
| 191 wstype == WSDISPLAY_TYPE_SUNCG12 || | |
| 192 wstype == WSDISPLAY_TYPE_SUNCG14 || | |
| 193 wstype == WSDISPLAY_TYPE_SUNTCX || | |
| 194 wstype == WSDISPLAY_TYPE_SUNFFB) { | |
| 195 private->redMask = 0x0000ff; | |
| 196 private->greenMask = 0x00ff00; | |
| 197 private->blueMask = 0xff0000; | |
| 198 } else if (wstype == WSDISPLAY_TYPE_PXALCD) { | |
| 199 private->redMask = 0x1f << 11; | |
| 200 private->greenMask = 0x3f << 5; | |
| 201 private->blueMask = 0x1f; | |
| 202 } else { | |
| 203 WSCONS_ReportError("Unknown video hardware"); | |
| 204 return -1; | |
| 205 } | |
| 206 } else { | |
| 207 WSCONS_ReportError("Displays with 8 bpp or less are not supported"); | |
| 208 return -1; | |
| 209 } | |
| 210 | |
| 211 private->rotate = WSCONS_ROTATE_NONE; | |
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212 rotation = SDL_getenv("SDL_VIDEO_WSCONS_ROTATION"); |
| 1187 | 213 if (rotation != NULL) { |
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214 if (SDL_strlen(rotation) == 0) { |
| 1187 | 215 private->shadowFB = 0; |
| 216 private->rotate = WSCONS_ROTATE_NONE; | |
| 217 printf("Not rotating, no shadow\n"); | |
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218 } else if (!SDL_strcmp(rotation, "NONE")) { |
| 1187 | 219 private->shadowFB = 1; |
| 220 private->rotate = WSCONS_ROTATE_NONE; | |
| 221 printf("Not rotating, but still using shadow\n"); | |
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222 } else if (!SDL_strcmp(rotation, "CW")) { |
| 1187 | 223 private->shadowFB = 1; |
| 224 private->rotate = WSCONS_ROTATE_CW; | |
| 225 printf("Rotating screen clockwise\n"); | |
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226 } else if (!SDL_strcmp(rotation, "CCW")) { |
| 1187 | 227 private->shadowFB = 1; |
| 228 private->rotate = WSCONS_ROTATE_CCW; | |
| 229 printf("Rotating screen counter clockwise\n"); | |
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230 } else if (!SDL_strcmp(rotation, "UD")) { |
| 1187 | 231 private->shadowFB = 1; |
| 232 private->rotate = WSCONS_ROTATE_UD; | |
| 233 printf("Rotating screen upside down\n"); | |
| 234 } else { | |
| 235 WSCONS_ReportError("\"%s\" is not a valid value for " | |
| 236 "SDL_VIDEO_WSCONS_ROTATION", rotation); | |
| 237 return -1; | |
| 238 } | |
| 239 } | |
| 240 | |
| 241 switch (private->info.depth) { | |
| 242 case 1: | |
| 243 case 4: | |
| 244 case 8: | |
| 245 len = private->physlinebytes * private->info.height; | |
| 246 break; | |
| 247 case 16: | |
| 248 if (private->physlinebytes == private->info.width) { | |
| 249 len = private->info.width * private->info.height * sizeof(short); | |
| 250 } else { | |
| 251 len = private->physlinebytes * private->info.height; | |
| 252 } | |
| 253 if (private->rotate == WSCONS_ROTATE_NONE || | |
| 254 private->rotate == WSCONS_ROTATE_UD) { | |
| 255 private->blitFunc = WSCONS_blit16; | |
| 256 } else { | |
| 257 private->blitFunc = WSCONS_blit16blocked; | |
| 258 } | |
| 259 break; | |
| 260 case 32: | |
| 261 if (private->physlinebytes == private->info.width) { | |
| 262 len = private->info.width * private->info.height * sizeof(int); | |
| 263 } else { | |
| 264 len = private->physlinebytes * private->info.height; | |
| 265 } | |
| 266 break; | |
| 267 default: | |
| 268 WSCONS_ReportError("unsupported depth %d", private->info.depth); | |
| 269 return -1; | |
| 270 } | |
| 271 | |
| 272 if (private->shadowFB && private->blitFunc == NULL) { | |
| 273 WSCONS_ReportError("Using software buffer, but no blitter function is " | |
| 274 "available for this %d bpp.", private->info.depth); | |
| 275 return -1; | |
| 276 } | |
| 277 | |
| 278 if (ioctl(private->fd, WSDISPLAYIO_SMODE, &wsmode) == -1) { | |
| 279 WSCONS_ReportError("ioctl SMODE"); | |
| 280 return -1; | |
| 281 } | |
| 282 | |
| 283 pagemask = getpagesize() - 1; | |
| 284 mapsize = ((int)len + pagemask) & ~pagemask; | |
| 285 private->physmem = (Uint8 *)mmap(NULL, mapsize, | |
| 286 PROT_READ | PROT_WRITE, MAP_SHARED, | |
| 287 private->fd, (off_t)0); | |
| 288 if (private->physmem == (Uint8 *)MAP_FAILED) { | |
| 289 private->physmem = NULL; | |
| 290 WSCONS_ReportError("mmap: %s", strerror(errno)); | |
| 291 return -1; | |
| 292 } | |
| 293 private->fbmem_len = len; | |
| 294 | |
| 295 if (private->rotate == WSCONS_ROTATE_CW || | |
| 296 private->rotate == WSCONS_ROTATE_CCW) { | |
| 297 width = private->info.height; | |
| 298 height = private->info.width; | |
| 299 } else { | |
| 300 width = private->info.width; | |
| 301 height = private->info.height; | |
| 302 } | |
| 303 | |
| 304 if (private->shadowFB) { | |
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305 private->shadowmem = (Uint8 *)SDL_malloc(len); |
| 1187 | 306 if (private->shadowmem == NULL) { |
| 307 WSCONS_ReportError("No memory for shadow"); | |
| 308 return -1; | |
| 309 } | |
| 310 private->fbstart = private->shadowmem; | |
| 311 private->fblinebytes = width * ((private->info.depth + 7) / 8); | |
| 312 } else { | |
| 313 private->fbstart = private->physmem; | |
| 314 private->fblinebytes = private->physlinebytes; | |
| 315 } | |
| 316 | |
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317 private->SDL_modelist[0] = (SDL_Rect *)SDL_malloc(sizeof(SDL_Rect)); |
| 1187 | 318 private->SDL_modelist[0]->w = width; |
| 319 private->SDL_modelist[0]->h = height; | |
| 320 | |
| 321 vformat->BitsPerPixel = private->info.depth; | |
| 322 vformat->BytesPerPixel = private->info.depth / 8; | |
| 323 | |
| 324 if (WSCONS_InitKeyboard(this) == -1) { | |
| 325 return -1; | |
| 326 } | |
| 327 | |
| 328 return 0; | |
| 329 } | |
| 330 | |
| 331 SDL_Rect **WSCONS_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags) | |
| 332 { | |
| 333 if (format->BitsPerPixel == private->info.depth) { | |
| 334 return private->SDL_modelist; | |
| 335 } else { | |
| 336 return NULL; | |
| 337 } | |
| 338 } | |
| 339 | |
| 340 SDL_Surface *WSCONS_SetVideoMode(_THIS, SDL_Surface *current, | |
| 341 int width, int height, int bpp, Uint32 flags) | |
| 342 { | |
| 343 if (width != private->SDL_modelist[0]->w || | |
| 344 height != private->SDL_modelist[0]->h) { | |
| 345 WSCONS_ReportError("Requested video mode %dx%d not supported.", | |
| 346 width, height); | |
| 347 return NULL; | |
| 348 } | |
| 349 if (bpp != private->info.depth) { | |
| 350 WSCONS_ReportError("Requested video depth %d bpp not supported.", bpp); | |
| 351 return NULL; | |
| 352 } | |
| 353 | |
| 354 if (!SDL_ReallocFormat(current, | |
| 355 bpp, | |
| 356 private->redMask, | |
| 357 private->greenMask, | |
| 358 private->blueMask, | |
| 359 0)) { | |
| 360 WSCONS_ReportError("Couldn't allocate new pixel format"); | |
| 361 return NULL; | |
| 362 } | |
| 363 | |
| 364 current->flags &= SDL_FULLSCREEN; | |
| 365 if (private->shadowFB) { | |
| 366 current->flags |= SDL_SWSURFACE; | |
| 367 } else { | |
| 368 current->flags |= SDL_HWSURFACE; | |
| 369 } | |
| 370 current->w = width; | |
| 371 current->h = height; | |
| 372 current->pitch = private->fblinebytes; | |
| 373 current->pixels = private->fbstart; | |
| 374 | |
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375 SDL_memset(private->fbstart, 0, private->fbmem_len); |
| 1187 | 376 |
| 377 return current; | |
| 378 } | |
| 379 | |
| 380 static int WSCONS_AllocHWSurface(_THIS, SDL_Surface *surface) | |
| 381 { | |
| 382 return -1; | |
| 383 } | |
| 384 static void WSCONS_FreeHWSurface(_THIS, SDL_Surface *surface) | |
| 385 { | |
| 386 } | |
| 387 | |
| 388 static int WSCONS_LockHWSurface(_THIS, SDL_Surface *surface) | |
| 389 { | |
| 390 return 0; | |
| 391 } | |
| 392 | |
| 393 static void WSCONS_UnlockHWSurface(_THIS, SDL_Surface *surface) | |
| 394 { | |
| 395 } | |
| 396 | |
| 397 static void WSCONS_blit16(Uint8 *byte_src_pos, | |
| 398 int srcRightDelta, | |
| 399 int srcDownDelta, | |
| 400 Uint8 *byte_dst_pos, | |
| 401 int dst_linebytes, | |
| 402 int width, | |
| 403 int height) | |
| 404 { | |
| 405 int w; | |
| 406 Uint16 *src_pos = (Uint16 *)byte_src_pos; | |
| 407 Uint16 *dst_pos = (Uint16 *)byte_dst_pos; | |
| 408 | |
| 409 while (height) { | |
| 410 Uint16 *src = src_pos; | |
| 411 Uint16 *dst = dst_pos; | |
| 412 for (w = width; w != 0; w--) { | |
| 413 *dst = *src; | |
| 414 src += srcRightDelta; | |
| 415 dst++; | |
| 416 } | |
| 417 dst_pos = (Uint16 *)((Uint8 *)dst_pos + dst_linebytes); | |
| 418 src_pos += srcDownDelta; | |
| 419 height--; | |
| 420 } | |
| 421 } | |
| 422 | |
| 423 #define BLOCKSIZE_W 32 | |
| 424 #define BLOCKSIZE_H 32 | |
| 425 | |
| 426 static void WSCONS_blit16blocked(Uint8 *byte_src_pos, | |
| 427 int srcRightDelta, | |
| 428 int srcDownDelta, | |
| 429 Uint8 *byte_dst_pos, | |
| 430 int dst_linebytes, | |
| 431 int width, | |
| 432 int height) | |
| 433 { | |
| 434 int w; | |
| 435 Uint16 *src_pos = (Uint16 *)byte_src_pos; | |
| 436 Uint16 *dst_pos = (Uint16 *)byte_dst_pos; | |
| 437 | |
| 438 while (height > 0) { | |
| 439 Uint16 *src = src_pos; | |
| 440 Uint16 *dst = dst_pos; | |
| 441 for (w = width; w > 0; w -= BLOCKSIZE_W) { | |
| 442 WSCONS_blit16((Uint8 *)src, | |
| 443 srcRightDelta, | |
| 444 srcDownDelta, | |
| 445 (Uint8 *)dst, | |
| 446 dst_linebytes, | |
| 447 min(w, BLOCKSIZE_W), | |
| 448 min(height, BLOCKSIZE_H)); | |
| 449 src += srcRightDelta * BLOCKSIZE_W; | |
| 450 dst += BLOCKSIZE_W; | |
| 451 } | |
| 452 dst_pos = (Uint16 *)((Uint8 *)dst_pos + dst_linebytes * BLOCKSIZE_H); | |
| 453 src_pos += srcDownDelta * BLOCKSIZE_H; | |
| 454 height -= BLOCKSIZE_H; | |
| 455 } | |
| 456 } | |
| 457 | |
| 458 static void WSCONS_UpdateRects(_THIS, int numrects, SDL_Rect *rects) | |
| 459 { | |
| 460 int width = private->SDL_modelist[0]->w; | |
| 461 int height = private->SDL_modelist[0]->h; | |
| 462 int bytesPerPixel = (private->info.depth + 7) / 8; | |
| 463 int i; | |
| 464 | |
| 465 if (!private->shadowFB) { | |
| 466 return; | |
| 467 } | |
| 468 | |
| 469 if (private->info.depth != 16) { | |
| 470 WSCONS_ReportError("Shadow copy only implemented for 16 bpp"); | |
| 471 return; | |
| 472 } | |
| 473 | |
| 474 for (i = 0; i < numrects; i++) { | |
| 475 int x1, y1, x2, y2; | |
| 476 int scr_x1, scr_y1, scr_x2, scr_y2; | |
| 477 int sha_x1, sha_y1; | |
| 478 int shadowRightDelta; /* Address change when moving right in dest */ | |
| 479 int shadowDownDelta; /* Address change when moving down in dest */ | |
| 480 Uint8 *src_start; | |
| 481 Uint8 *dst_start; | |
| 482 | |
| 483 x1 = rects[i].x; | |
| 484 y1 = rects[i].y; | |
| 485 x2 = x1 + rects[i].w; | |
| 486 y2 = y1 + rects[i].h; | |
| 487 | |
| 488 if (x1 < 0) { | |
| 489 x1 = 0; | |
| 490 } else if (x1 > width) { | |
| 491 x1 = width; | |
| 492 } | |
| 493 if (x2 < 0) { | |
| 494 x2 = 0; | |
| 495 } else if (x2 > width) { | |
| 496 x2 = width; | |
| 497 } | |
| 498 if (y1 < 0) { | |
| 499 y1 = 0; | |
| 500 } else if (y1 > height) { | |
| 501 y1 = height; | |
| 502 } | |
| 503 if (y2 < 0) { | |
| 504 y2 = 0; | |
| 505 } else if (y2 > height) { | |
| 506 y2 = height; | |
| 507 } | |
| 508 if (x2 <= x1 || y2 <= y1) { | |
| 509 continue; | |
| 510 } | |
| 511 | |
| 512 switch (private->rotate) { | |
| 513 case WSCONS_ROTATE_NONE: | |
| 514 sha_x1 = scr_x1 = x1; | |
| 515 sha_y1 = scr_y1 = y1; | |
| 516 scr_x2 = x2; | |
| 517 scr_y2 = y2; | |
| 518 shadowRightDelta = 1; | |
| 519 shadowDownDelta = width; | |
| 520 break; | |
| 521 case WSCONS_ROTATE_CCW: | |
| 522 scr_x1 = y1; | |
| 523 scr_y1 = width - x2; | |
| 524 scr_x2 = y2; | |
| 525 scr_y2 = width - x1; | |
| 526 sha_x1 = x2 - 1; | |
| 527 sha_y1 = y1; | |
| 528 shadowRightDelta = width; | |
| 529 shadowDownDelta = -1; | |
| 530 break; | |
| 531 case WSCONS_ROTATE_UD: | |
| 532 scr_x1 = width - x2; | |
| 533 scr_y1 = height - y2; | |
| 534 scr_x2 = width - x1; | |
| 535 scr_y2 = height - y1; | |
| 536 sha_x1 = x2 - 1; | |
| 537 sha_y1 = y2 - 1; | |
| 538 shadowRightDelta = -1; | |
| 539 shadowDownDelta = -width; | |
| 540 break; | |
| 541 case WSCONS_ROTATE_CW: | |
| 542 scr_x1 = height - y2; | |
| 543 scr_y1 = x1; | |
| 544 scr_x2 = height - y1; | |
| 545 scr_y2 = x2; | |
| 546 sha_x1 = x1; | |
| 547 sha_y1 = y2 - 1; | |
| 548 shadowRightDelta = -width; | |
| 549 shadowDownDelta = 1; | |
| 550 break; | |
| 551 default: | |
| 552 WSCONS_ReportError("Unknown rotation"); | |
| 553 return; | |
| 554 } | |
| 555 | |
| 556 src_start = private->shadowmem + (sha_y1 * width + sha_x1) * bytesPerPixel; | |
| 557 dst_start = private->physmem + scr_y1 * private->physlinebytes + | |
| 558 scr_x1 * bytesPerPixel; | |
| 559 | |
| 560 private->blitFunc(src_start, | |
| 561 shadowRightDelta, | |
| 562 shadowDownDelta, | |
| 563 dst_start, | |
| 564 private->physlinebytes, | |
| 565 scr_x2 - scr_x1, | |
| 566 scr_y2 - scr_y1); | |
| 567 } | |
| 568 } | |
| 569 | |
| 570 int WSCONS_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors) | |
| 571 { | |
| 572 return 0; | |
| 573 } | |
| 574 | |
| 575 /* | |
| 576 * Note: If we are terminated, this could be called in the middle of | |
| 577 * another SDL video routine -- notably UpdateRects. | |
| 578 */ | |
| 579 void WSCONS_VideoQuit(_THIS) | |
| 580 { | |
| 581 int mode = WSDISPLAYIO_MODE_EMUL; | |
| 582 | |
| 583 if (private->shadowmem != NULL) { | |
|
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Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
584 SDL_free(private->shadowmem); |
| 1187 | 585 private->shadowmem = NULL; |
| 586 } | |
| 587 private->fbstart = NULL; | |
| 588 if (this->screen != NULL) { | |
| 589 this->screen->pixels = NULL; | |
| 590 } | |
| 591 | |
| 592 if (private->SDL_modelist[0] != NULL) { | |
|
1336
3692456e7b0f
Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents:
1312
diff
changeset
|
593 SDL_free(private->SDL_modelist[0]); |
| 1187 | 594 private->SDL_modelist[0] = NULL; |
| 595 } | |
| 596 | |
| 597 if (ioctl(private->fd, WSDISPLAYIO_SMODE, &mode) == -1) { | |
| 598 WSCONS_ReportError("ioctl SMODE"); | |
| 599 } | |
| 600 | |
| 601 WSCONS_ReleaseKeyboard(this); | |
| 602 | |
| 603 if (private->fd != -1) { | |
| 604 close(private->fd); | |
| 605 private->fd = -1; | |
| 606 } | |
| 607 } |