| 1 | /* |
| 2 | SDL - Simple DirectMedia Layer |
| 3 | Copyright (C) 1997-2009 Sam Lantinga |
| 4 | |
| 5 | This library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either |
| 8 | version 2.1 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 | Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public |
| 16 | License along with this library; if not, write to the Free Software |
| 17 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 18 | |
| 19 | Sam Lantinga |
| 20 | slouken@libsdl.org |
| 21 | */ |
| 22 | #include "SDL_config.h" |
| 23 | |
| 24 | #include <sys/time.h> |
| 25 | #include <sys/mman.h> |
| 26 | #include <sys/ioctl.h> |
| 27 | #include <dev/wscons/wsdisplay_usl_io.h> |
| 28 | #include <fcntl.h> |
| 29 | #include <unistd.h> |
| 30 | #include <errno.h> |
| 31 | |
| 32 | #include "SDL_video.h" |
| 33 | #include "SDL_mouse.h" |
| 34 | #include "../SDL_sysvideo.h" |
| 35 | #include "../SDL_pixels_c.h" |
| 36 | #include "../../events/SDL_events_c.h" |
| 37 | |
| 38 | #include "SDL_wsconsvideo.h" |
| 39 | #include "SDL_wsconsevents_c.h" |
| 40 | #include "SDL_wsconsmouse_c.h" |
| 41 | |
| 42 | #define WSCONSVID_DRIVER_NAME "wscons" |
| 43 | enum { |
| 44 | WSCONS_ROTATE_NONE = 0, |
| 45 | WSCONS_ROTATE_CCW = 90, |
| 46 | WSCONS_ROTATE_UD = 180, |
| 47 | WSCONS_ROTATE_CW = 270 |
| 48 | }; |
| 49 | |
| 50 | #define min(a,b) ((a)<(b)?(a):(b)) |
| 51 | |
| 52 | /* Initialization/Query functions */ |
| 53 | static int WSCONS_VideoInit(_THIS, SDL_PixelFormat *vformat); |
| 54 | static SDL_Rect **WSCONS_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags); |
| 55 | static SDL_Surface *WSCONS_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags); |
| 56 | static int WSCONS_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors); |
| 57 | static void WSCONS_VideoQuit(_THIS); |
| 58 | |
| 59 | /* Hardware surface functions */ |
| 60 | static int WSCONS_AllocHWSurface(_THIS, SDL_Surface *surface); |
| 61 | static int WSCONS_LockHWSurface(_THIS, SDL_Surface *surface); |
| 62 | static void WSCONS_UnlockHWSurface(_THIS, SDL_Surface *surface); |
| 63 | static void WSCONS_FreeHWSurface(_THIS, SDL_Surface *surface); |
| 64 | |
| 65 | /* etc. */ |
| 66 | static WSCONS_bitBlit WSCONS_blit16; |
| 67 | static WSCONS_bitBlit WSCONS_blit16blocked; |
| 68 | static void WSCONS_UpdateRects(_THIS, int numrects, SDL_Rect *rects); |
| 69 | |
| 70 | void WSCONS_ReportError(char *fmt, ...) |
| 71 | { |
| 72 | char message[200]; |
| 73 | va_list vaArgs; |
| 74 | |
| 75 | message[199] = '\0'; |
| 76 | |
| 77 | va_start(vaArgs, fmt); |
| 78 | vsnprintf(message, 199, fmt, vaArgs); |
| 79 | va_end(vaArgs); |
| 80 | |
| 81 | SDL_SetError(message); |
| 82 | fprintf(stderr, "WSCONS error: %s\n", message); |
| 83 | } |
| 84 | |
| 85 | /* WSCONS driver bootstrap functions */ |
| 86 | |
| 87 | static int WSCONS_Available(void) |
| 88 | { |
| 89 | return 1; |
| 90 | } |
| 91 | |
| 92 | static void WSCONS_DeleteDevice(SDL_VideoDevice *device) |
| 93 | { |
| 94 | SDL_free(device->hidden); |
| 95 | SDL_free(device); |
| 96 | } |
| 97 | |
| 98 | static SDL_VideoDevice *WSCONS_CreateDevice(int devindex) |
| 99 | { |
| 100 | SDL_VideoDevice *device; |
| 101 | |
| 102 | /* Initialize all variables that we clean on shutdown */ |
| 103 | device = (SDL_VideoDevice *)SDL_malloc(sizeof(SDL_VideoDevice)); |
| 104 | if (device == NULL) { |
| 105 | SDL_OutOfMemory(); |
| 106 | return 0; |
| 107 | } |
| 108 | SDL_memset(device, 0, (sizeof *device)); |
| 109 | device->hidden = |
| 110 | (struct SDL_PrivateVideoData *)SDL_malloc((sizeof *device->hidden)); |
| 111 | if (device->hidden == NULL) { |
| 112 | SDL_OutOfMemory(); |
| 113 | SDL_free(device); |
| 114 | return(0); |
| 115 | } |
| 116 | SDL_memset(device->hidden, 0, (sizeof *device->hidden)); |
| 117 | device->hidden->fd = -1; |
| 118 | |
| 119 | /* Set the function pointers */ |
| 120 | device->VideoInit = WSCONS_VideoInit; |
| 121 | device->ListModes = WSCONS_ListModes; |
| 122 | device->SetVideoMode = WSCONS_SetVideoMode; |
| 123 | device->SetColors = WSCONS_SetColors; |
| 124 | device->UpdateRects = WSCONS_UpdateRects; |
| 125 | device->VideoQuit = WSCONS_VideoQuit; |
| 126 | device->AllocHWSurface = WSCONS_AllocHWSurface; |
| 127 | device->LockHWSurface = WSCONS_LockHWSurface; |
| 128 | device->UnlockHWSurface = WSCONS_UnlockHWSurface; |
| 129 | device->FreeHWSurface = WSCONS_FreeHWSurface; |
| 130 | device->InitOSKeymap = WSCONS_InitOSKeymap; |
| 131 | device->PumpEvents = WSCONS_PumpEvents; |
| 132 | device->free = WSCONS_DeleteDevice; |
| 133 | |
| 134 | return device; |
| 135 | } |
| 136 | |
| 137 | VideoBootStrap WSCONS_bootstrap = { |
| 138 | WSCONSVID_DRIVER_NAME, |
| 139 | "SDL wscons video driver", |
| 140 | WSCONS_Available, |
| 141 | WSCONS_CreateDevice |
| 142 | }; |
| 143 | |
| 144 | #define WSCONSDEV_FORMAT "/dev/ttyC%01x" |
| 145 | |
| 146 | int WSCONS_VideoInit(_THIS, SDL_PixelFormat *vformat) |
| 147 | { |
| 148 | char devnamebuf[30]; |
| 149 | char *devname; |
| 150 | char *rotation; |
| 151 | int wstype; |
| 152 | int wsmode = WSDISPLAYIO_MODE_DUMBFB; |
| 153 | size_t len, mapsize; |
| 154 | int pagemask; |
| 155 | int width, height; |
| 156 | |
| 157 | devname = SDL_getenv("SDL_WSCONSDEV"); |
| 158 | if (devname == NULL) { |
| 159 | int activeVT; |
| 160 | if (ioctl(STDIN_FILENO, VT_GETACTIVE, &activeVT) == -1) { |
| 161 | WSCONS_ReportError("Unable to determine active terminal: %s", |
| 162 | strerror(errno)); |
| 163 | return -1; |
| 164 | } |
| 165 | SDL_snprintf(devnamebuf, sizeof(devnamebuf), WSCONSDEV_FORMAT, activeVT - 1); |
| 166 | devname = devnamebuf; |
| 167 | } |
| 168 | |
| 169 | private->fd = open(devname, O_RDWR | O_NONBLOCK, 0); |
| 170 | if (private->fd == -1) { |
| 171 | WSCONS_ReportError("open %s: %s", devname, strerror(errno)); |
| 172 | return -1; |
| 173 | } |
| 174 | if (ioctl(private->fd, WSDISPLAYIO_GINFO, &private->info) == -1) { |
| 175 | WSCONS_ReportError("ioctl WSDISPLAY_GINFO: %s", strerror(errno)); |
| 176 | return -1; |
| 177 | } |
| 178 | if (ioctl(private->fd, WSDISPLAYIO_GTYPE, &wstype) == -1) { |
| 179 | WSCONS_ReportError("ioctl WSDISPLAY_GTYPE: %s", strerror(errno)); |
| 180 | return -1; |
| 181 | } |
| 182 | if (ioctl(private->fd, WSDISPLAYIO_LINEBYTES, &private->physlinebytes) == -1) { |
| 183 | WSCONS_ReportError("ioctl WSDISPLAYIO_LINEBYTES: %s", strerror(errno)); |
| 184 | return -1; |
| 185 | } |
| 186 | if (private->info.depth > 8) { |
| 187 | if (wstype == WSDISPLAY_TYPE_SUN24 || |
| 188 | wstype == WSDISPLAY_TYPE_SUNCG12 || |
| 189 | wstype == WSDISPLAY_TYPE_SUNCG14 || |
| 190 | wstype == WSDISPLAY_TYPE_SUNTCX || |
| 191 | wstype == WSDISPLAY_TYPE_SUNFFB) { |
| 192 | private->redMask = 0x0000ff; |
| 193 | private->greenMask = 0x00ff00; |
| 194 | private->blueMask = 0xff0000; |
| 195 | #ifdef WSDISPLAY_TYPE_PXALCD |
| 196 | } else if (wstype == WSDISPLAY_TYPE_PXALCD) { |
| 197 | private->redMask = 0x1f << 11; |
| 198 | private->greenMask = 0x3f << 5; |
| 199 | private->blueMask = 0x1f; |
| 200 | #endif |
| 201 | } else { |
| 202 | WSCONS_ReportError("Unknown video hardware"); |
| 203 | return -1; |
| 204 | } |
| 205 | } else { |
| 206 | WSCONS_ReportError("Displays with 8 bpp or less are not supported"); |
| 207 | return -1; |
| 208 | } |
| 209 | |
| 210 | private->rotate = WSCONS_ROTATE_NONE; |
| 211 | rotation = SDL_getenv("SDL_VIDEO_WSCONS_ROTATION"); |
| 212 | if (rotation != NULL) { |
| 213 | if (SDL_strlen(rotation) == 0) { |
| 214 | private->shadowFB = 0; |
| 215 | private->rotate = WSCONS_ROTATE_NONE; |
| 216 | printf("Not rotating, no shadow\n"); |
| 217 | } else if (!SDL_strcmp(rotation, "NONE")) { |
| 218 | private->shadowFB = 1; |
| 219 | private->rotate = WSCONS_ROTATE_NONE; |
| 220 | printf("Not rotating, but still using shadow\n"); |
| 221 | } else if (!SDL_strcmp(rotation, "CW")) { |
| 222 | private->shadowFB = 1; |
| 223 | private->rotate = WSCONS_ROTATE_CW; |
| 224 | printf("Rotating screen clockwise\n"); |
| 225 | } else if (!SDL_strcmp(rotation, "CCW")) { |
| 226 | private->shadowFB = 1; |
| 227 | private->rotate = WSCONS_ROTATE_CCW; |
| 228 | printf("Rotating screen counter clockwise\n"); |
| 229 | } else if (!SDL_strcmp(rotation, "UD")) { |
| 230 | private->shadowFB = 1; |
| 231 | private->rotate = WSCONS_ROTATE_UD; |
| 232 | printf("Rotating screen upside down\n"); |
| 233 | } else { |
| 234 | WSCONS_ReportError("\"%s\" is not a valid value for " |
| 235 | "SDL_VIDEO_WSCONS_ROTATION", rotation); |
| 236 | return -1; |
| 237 | } |
| 238 | } |
| 239 | |
| 240 | switch (private->info.depth) { |
| 241 | case 1: |
| 242 | case 4: |
| 243 | case 8: |
| 244 | len = private->physlinebytes * private->info.height; |
| 245 | break; |
| 246 | case 16: |
| 247 | if (private->physlinebytes == private->info.width) { |
| 248 | len = private->info.width * private->info.height * sizeof(short); |
| 249 | } else { |
| 250 | len = private->physlinebytes * private->info.height; |
| 251 | } |
| 252 | if (private->rotate == WSCONS_ROTATE_NONE || |
| 253 | private->rotate == WSCONS_ROTATE_UD) { |
| 254 | private->blitFunc = WSCONS_blit16; |
| 255 | } else { |
| 256 | private->blitFunc = WSCONS_blit16blocked; |
| 257 | } |
| 258 | break; |
| 259 | case 32: |
| 260 | if (private->physlinebytes == private->info.width) { |
| 261 | len = private->info.width * private->info.height * sizeof(int); |
| 262 | } else { |
| 263 | len = private->physlinebytes * private->info.height; |
| 264 | } |
| 265 | break; |
| 266 | default: |
| 267 | WSCONS_ReportError("unsupported depth %d", private->info.depth); |
| 268 | return -1; |
| 269 | } |
| 270 | |
| 271 | if (private->shadowFB && private->blitFunc == NULL) { |
| 272 | WSCONS_ReportError("Using software buffer, but no blitter function is " |
| 273 | "available for this %d bpp.", private->info.depth); |
| 274 | return -1; |
| 275 | } |
| 276 | |
| 277 | if (ioctl(private->fd, WSDISPLAYIO_SMODE, &wsmode) == -1) { |
| 278 | WSCONS_ReportError("ioctl SMODE"); |
| 279 | return -1; |
| 280 | } |
| 281 | |
| 282 | pagemask = getpagesize() - 1; |
| 283 | mapsize = ((int)len + pagemask) & ~pagemask; |
| 284 | private->physmem = (Uint8 *)mmap(NULL, mapsize, |
| 285 | PROT_READ | PROT_WRITE, MAP_SHARED, |
| 286 | private->fd, (off_t)0); |
| 287 | if (private->physmem == (Uint8 *)MAP_FAILED) { |
| 288 | private->physmem = NULL; |
| 289 | WSCONS_ReportError("mmap: %s", strerror(errno)); |
| 290 | return -1; |
| 291 | } |
| 292 | private->fbmem_len = len; |
| 293 | |
| 294 | if (private->rotate == WSCONS_ROTATE_CW || |
| 295 | private->rotate == WSCONS_ROTATE_CCW) { |
| 296 | width = private->info.height; |
| 297 | height = private->info.width; |
| 298 | } else { |
| 299 | width = private->info.width; |
| 300 | height = private->info.height; |
| 301 | } |
| 302 | |
| 303 | this->info.current_w = width; |
| 304 | this->info.current_h = height; |
| 305 | |
| 306 | if (private->shadowFB) { |
| 307 | private->shadowmem = (Uint8 *)SDL_malloc(len); |
| 308 | if (private->shadowmem == NULL) { |
| 309 | WSCONS_ReportError("No memory for shadow"); |
| 310 | return -1; |
| 311 | } |
| 312 | private->fbstart = private->shadowmem; |
| 313 | private->fblinebytes = width * ((private->info.depth + 7) / 8); |
| 314 | } else { |
| 315 | private->fbstart = private->physmem; |
| 316 | private->fblinebytes = private->physlinebytes; |
| 317 | } |
| 318 | |
| 319 | private->SDL_modelist[0] = (SDL_Rect *)SDL_malloc(sizeof(SDL_Rect)); |
| 320 | private->SDL_modelist[0]->w = width; |
| 321 | private->SDL_modelist[0]->h = height; |
| 322 | |
| 323 | vformat->BitsPerPixel = private->info.depth; |
| 324 | vformat->BytesPerPixel = private->info.depth / 8; |
| 325 | |
| 326 | if (WSCONS_InitKeyboard(this) == -1) { |
| 327 | return -1; |
| 328 | } |
| 329 | |
| 330 | return 0; |
| 331 | } |
| 332 | |
| 333 | SDL_Rect **WSCONS_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags) |
| 334 | { |
| 335 | if (format->BitsPerPixel == private->info.depth) { |
| 336 | return private->SDL_modelist; |
| 337 | } else { |
| 338 | return NULL; |
| 339 | } |
| 340 | } |
| 341 | |
| 342 | SDL_Surface *WSCONS_SetVideoMode(_THIS, SDL_Surface *current, |
| 343 | int width, int height, int bpp, Uint32 flags) |
| 344 | { |
| 345 | if (width != private->SDL_modelist[0]->w || |
| 346 | height != private->SDL_modelist[0]->h) { |
| 347 | WSCONS_ReportError("Requested video mode %dx%d not supported.", |
| 348 | width, height); |
| 349 | return NULL; |
| 350 | } |
| 351 | if (bpp != private->info.depth) { |
| 352 | WSCONS_ReportError("Requested video depth %d bpp not supported.", bpp); |
| 353 | return NULL; |
| 354 | } |
| 355 | |
| 356 | if (!SDL_ReallocFormat(current, |
| 357 | bpp, |
| 358 | private->redMask, |
| 359 | private->greenMask, |
| 360 | private->blueMask, |
| 361 | 0)) { |
| 362 | WSCONS_ReportError("Couldn't allocate new pixel format"); |
| 363 | return NULL; |
| 364 | } |
| 365 | |
| 366 | current->flags &= SDL_FULLSCREEN; |
| 367 | if (private->shadowFB) { |
| 368 | current->flags |= SDL_SWSURFACE; |
| 369 | } else { |
| 370 | current->flags |= SDL_HWSURFACE; |
| 371 | } |
| 372 | current->w = width; |
| 373 | current->h = height; |
| 374 | current->pitch = private->fblinebytes; |
| 375 | current->pixels = private->fbstart; |
| 376 | |
| 377 | SDL_memset(private->fbstart, 0, private->fbmem_len); |
| 378 | |
| 379 | return current; |
| 380 | } |
| 381 | |
| 382 | static int WSCONS_AllocHWSurface(_THIS, SDL_Surface *surface) |
| 383 | { |
| 384 | return -1; |
| 385 | } |
| 386 | static void WSCONS_FreeHWSurface(_THIS, SDL_Surface *surface) |
| 387 | { |
| 388 | } |
| 389 | |
| 390 | static int WSCONS_LockHWSurface(_THIS, SDL_Surface *surface) |
| 391 | { |
| 392 | return 0; |
| 393 | } |
| 394 | |
| 395 | static void WSCONS_UnlockHWSurface(_THIS, SDL_Surface *surface) |
| 396 | { |
| 397 | } |
| 398 | |
| 399 | static void WSCONS_blit16(Uint8 *byte_src_pos, |
| 400 | int srcRightDelta, |
| 401 | int srcDownDelta, |
| 402 | Uint8 *byte_dst_pos, |
| 403 | int dst_linebytes, |
| 404 | int width, |
| 405 | int height) |
| 406 | { |
| 407 | int w; |
| 408 | Uint16 *src_pos = (Uint16 *)byte_src_pos; |
| 409 | Uint16 *dst_pos = (Uint16 *)byte_dst_pos; |
| 410 | |
| 411 | while (height) { |
| 412 | Uint16 *src = src_pos; |
| 413 | Uint16 *dst = dst_pos; |
| 414 | for (w = width; w != 0; w--) { |
| 415 | *dst = *src; |
| 416 | src += srcRightDelta; |
| 417 | dst++; |
| 418 | } |
| 419 | dst_pos = (Uint16 *)((Uint8 *)dst_pos + dst_linebytes); |
| 420 | src_pos += srcDownDelta; |
| 421 | height--; |
| 422 | } |
| 423 | } |
| 424 | |
| 425 | #define BLOCKSIZE_W 32 |
| 426 | #define BLOCKSIZE_H 32 |
| 427 | |
| 428 | static void WSCONS_blit16blocked(Uint8 *byte_src_pos, |
| 429 | int srcRightDelta, |
| 430 | int srcDownDelta, |
| 431 | Uint8 *byte_dst_pos, |
| 432 | int dst_linebytes, |
| 433 | int width, |
| 434 | int height) |
| 435 | { |
| 436 | int w; |
| 437 | Uint16 *src_pos = (Uint16 *)byte_src_pos; |
| 438 | Uint16 *dst_pos = (Uint16 *)byte_dst_pos; |
| 439 | |
| 440 | while (height > 0) { |
| 441 | Uint16 *src = src_pos; |
| 442 | Uint16 *dst = dst_pos; |
| 443 | for (w = width; w > 0; w -= BLOCKSIZE_W) { |
| 444 | WSCONS_blit16((Uint8 *)src, |
| 445 | srcRightDelta, |
| 446 | srcDownDelta, |
| 447 | (Uint8 *)dst, |
| 448 | dst_linebytes, |
| 449 | min(w, BLOCKSIZE_W), |
| 450 | min(height, BLOCKSIZE_H)); |
| 451 | src += srcRightDelta * BLOCKSIZE_W; |
| 452 | dst += BLOCKSIZE_W; |
| 453 | } |
| 454 | dst_pos = (Uint16 *)((Uint8 *)dst_pos + dst_linebytes * BLOCKSIZE_H); |
| 455 | src_pos += srcDownDelta * BLOCKSIZE_H; |
| 456 | height -= BLOCKSIZE_H; |
| 457 | } |
| 458 | } |
| 459 | |
| 460 | static void WSCONS_UpdateRects(_THIS, int numrects, SDL_Rect *rects) |
| 461 | { |
| 462 | int width = private->SDL_modelist[0]->w; |
| 463 | int height = private->SDL_modelist[0]->h; |
| 464 | int bytesPerPixel = (private->info.depth + 7) / 8; |
| 465 | int i; |
| 466 | |
| 467 | if (!private->shadowFB) { |
| 468 | return; |
| 469 | } |
| 470 | |
| 471 | if (private->info.depth != 16) { |
| 472 | WSCONS_ReportError("Shadow copy only implemented for 16 bpp"); |
| 473 | return; |
| 474 | } |
| 475 | |
| 476 | for (i = 0; i < numrects; i++) { |
| 477 | int x1, y1, x2, y2; |
| 478 | int scr_x1, scr_y1, scr_x2, scr_y2; |
| 479 | int sha_x1, sha_y1; |
| 480 | int shadowRightDelta; /* Address change when moving right in dest */ |
| 481 | int shadowDownDelta; /* Address change when moving down in dest */ |
| 482 | Uint8 *src_start; |
| 483 | Uint8 *dst_start; |
| 484 | |
| 485 | x1 = rects[i].x; |
| 486 | y1 = rects[i].y; |
| 487 | x2 = x1 + rects[i].w; |
| 488 | y2 = y1 + rects[i].h; |
| 489 | |
| 490 | if (x1 < 0) { |
| 491 | x1 = 0; |
| 492 | } else if (x1 > width) { |
| 493 | x1 = width; |
| 494 | } |
| 495 | if (x2 < 0) { |
| 496 | x2 = 0; |
| 497 | } else if (x2 > width) { |
| 498 | x2 = width; |
| 499 | } |
| 500 | if (y1 < 0) { |
| 501 | y1 = 0; |
| 502 | } else if (y1 > height) { |
| 503 | y1 = height; |
| 504 | } |
| 505 | if (y2 < 0) { |
| 506 | y2 = 0; |
| 507 | } else if (y2 > height) { |
| 508 | y2 = height; |
| 509 | } |
| 510 | if (x2 <= x1 || y2 <= y1) { |
| 511 | continue; |
| 512 | } |
| 513 | |
| 514 | switch (private->rotate) { |
| 515 | case WSCONS_ROTATE_NONE: |
| 516 | sha_x1 = scr_x1 = x1; |
| 517 | sha_y1 = scr_y1 = y1; |
| 518 | scr_x2 = x2; |
| 519 | scr_y2 = y2; |
| 520 | shadowRightDelta = 1; |
| 521 | shadowDownDelta = width; |
| 522 | break; |
| 523 | case WSCONS_ROTATE_CCW: |
| 524 | scr_x1 = y1; |
| 525 | scr_y1 = width - x2; |
| 526 | scr_x2 = y2; |
| 527 | scr_y2 = width - x1; |
| 528 | sha_x1 = x2 - 1; |
| 529 | sha_y1 = y1; |
| 530 | shadowRightDelta = width; |
| 531 | shadowDownDelta = -1; |
| 532 | break; |
| 533 | case WSCONS_ROTATE_UD: |
| 534 | scr_x1 = width - x2; |
| 535 | scr_y1 = height - y2; |
| 536 | scr_x2 = width - x1; |
| 537 | scr_y2 = height - y1; |
| 538 | sha_x1 = x2 - 1; |
| 539 | sha_y1 = y2 - 1; |
| 540 | shadowRightDelta = -1; |
| 541 | shadowDownDelta = -width; |
| 542 | break; |
| 543 | case WSCONS_ROTATE_CW: |
| 544 | scr_x1 = height - y2; |
| 545 | scr_y1 = x1; |
| 546 | scr_x2 = height - y1; |
| 547 | scr_y2 = x2; |
| 548 | sha_x1 = x1; |
| 549 | sha_y1 = y2 - 1; |
| 550 | shadowRightDelta = -width; |
| 551 | shadowDownDelta = 1; |
| 552 | break; |
| 553 | default: |
| 554 | WSCONS_ReportError("Unknown rotation"); |
| 555 | return; |
| 556 | } |
| 557 | |
| 558 | src_start = private->shadowmem + (sha_y1 * width + sha_x1) * bytesPerPixel; |
| 559 | dst_start = private->physmem + scr_y1 * private->physlinebytes + |
| 560 | scr_x1 * bytesPerPixel; |
| 561 | |
| 562 | private->blitFunc(src_start, |
| 563 | shadowRightDelta, |
| 564 | shadowDownDelta, |
| 565 | dst_start, |
| 566 | private->physlinebytes, |
| 567 | scr_x2 - scr_x1, |
| 568 | scr_y2 - scr_y1); |
| 569 | } |
| 570 | } |
| 571 | |
| 572 | int WSCONS_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors) |
| 573 | { |
| 574 | return 0; |
| 575 | } |
| 576 | |
| 577 | /* |
| 578 | * Note: If we are terminated, this could be called in the middle of |
| 579 | * another SDL video routine -- notably UpdateRects. |
| 580 | */ |
| 581 | void WSCONS_VideoQuit(_THIS) |
| 582 | { |
| 583 | int mode = WSDISPLAYIO_MODE_EMUL; |
| 584 | |
| 585 | if (private->shadowmem != NULL) { |
| 586 | SDL_free(private->shadowmem); |
| 587 | private->shadowmem = NULL; |
| 588 | } |
| 589 | private->fbstart = NULL; |
| 590 | if (this->screen != NULL) { |
| 591 | this->screen->pixels = NULL; |
| 592 | } |
| 593 | |
| 594 | if (private->SDL_modelist[0] != NULL) { |
| 595 | SDL_free(private->SDL_modelist[0]); |
| 596 | private->SDL_modelist[0] = NULL; |
| 597 | } |
| 598 | |
| 599 | if (ioctl(private->fd, WSDISPLAYIO_SMODE, &mode) == -1) { |
| 600 | WSCONS_ReportError("ioctl SMODE"); |
| 601 | } |
| 602 | |
| 603 | WSCONS_ReleaseKeyboard(this); |
| 604 | |
| 605 | if (private->fd != -1) { |
| 606 | close(private->fd); |
| 607 | private->fd = -1; |
| 608 | } |
| 609 | } |