| 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 | /* SVGAlib based SDL video driver implementation. |
| 25 | */ |
| 26 | |
| 27 | #include <unistd.h> |
| 28 | #include <sys/stat.h> |
| 29 | #include <sys/types.h> |
| 30 | #include <sys/ioctl.h> |
| 31 | #include <fcntl.h> |
| 32 | |
| 33 | #if defined(__LINUX__) |
| 34 | #include <linux/vt.h> |
| 35 | #elif defined(__FREEBSD__) |
| 36 | #include <sys/consio.h> |
| 37 | #else |
| 38 | #error You must choose your operating system here |
| 39 | #endif |
| 40 | #include <vga.h> |
| 41 | #include <vgamouse.h> |
| 42 | #include <vgakeyboard.h> |
| 43 | |
| 44 | #include "SDL_video.h" |
| 45 | #include "SDL_mouse.h" |
| 46 | #include "../SDL_sysvideo.h" |
| 47 | #include "../SDL_pixels_c.h" |
| 48 | #include "../../events/SDL_events_c.h" |
| 49 | #include "SDL_svgavideo.h" |
| 50 | #include "SDL_svgaevents_c.h" |
| 51 | #include "SDL_svgamouse_c.h" |
| 52 | |
| 53 | /* Initialization/Query functions */ |
| 54 | static int SVGA_VideoInit(_THIS, SDL_PixelFormat *vformat); |
| 55 | static SDL_Rect **SVGA_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags); |
| 56 | static SDL_Surface *SVGA_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags); |
| 57 | static int SVGA_SetColors(_THIS, int firstcolor, int ncolors, |
| 58 | SDL_Color *colors); |
| 59 | static void SVGA_VideoQuit(_THIS); |
| 60 | |
| 61 | /* Hardware surface functions */ |
| 62 | static int SVGA_AllocHWSurface(_THIS, SDL_Surface *surface); |
| 63 | static int SVGA_LockHWSurface(_THIS, SDL_Surface *surface); |
| 64 | static int SVGA_FlipHWSurface(_THIS, SDL_Surface *surface); |
| 65 | static void SVGA_UnlockHWSurface(_THIS, SDL_Surface *surface); |
| 66 | static void SVGA_FreeHWSurface(_THIS, SDL_Surface *surface); |
| 67 | |
| 68 | /* SVGAlib driver bootstrap functions */ |
| 69 | |
| 70 | static int SVGA_Available(void) |
| 71 | { |
| 72 | /* Check to see if we are root and stdin is a virtual console */ |
| 73 | int console; |
| 74 | |
| 75 | /* SVGALib 1.9.x+ doesn't require root (via /dev/svga) */ |
| 76 | int svgalib2 = -1; |
| 77 | |
| 78 | /* See if we are connected to a virtual terminal */ |
| 79 | console = STDIN_FILENO; |
| 80 | #if 0 /* This is no longer needed, SVGAlib can switch consoles for us */ |
| 81 | if ( console >= 0 ) { |
| 82 | struct stat sb; |
| 83 | struct vt_mode dummy; |
| 84 | |
| 85 | if ( (fstat(console, &sb) < 0) || |
| 86 | (ioctl(console, VT_GETMODE, &dummy) < 0) ) { |
| 87 | console = -1; |
| 88 | } |
| 89 | } |
| 90 | #endif /* 0 */ |
| 91 | |
| 92 | /* See if SVGAlib 2.0 is available */ |
| 93 | svgalib2 = open("/dev/svga", O_RDONLY); |
| 94 | if (svgalib2 != -1) { |
| 95 | close(svgalib2); |
| 96 | } |
| 97 | |
| 98 | return(((svgalib2 != -1) || (geteuid() == 0)) && (console >= 0)); |
| 99 | } |
| 100 | |
| 101 | static void SVGA_DeleteDevice(SDL_VideoDevice *device) |
| 102 | { |
| 103 | SDL_free(device->hidden); |
| 104 | SDL_free(device); |
| 105 | } |
| 106 | |
| 107 | static SDL_VideoDevice *SVGA_CreateDevice(int devindex) |
| 108 | { |
| 109 | SDL_VideoDevice *device; |
| 110 | |
| 111 | /* Initialize all variables that we clean on shutdown */ |
| 112 | device = (SDL_VideoDevice *)SDL_malloc(sizeof(SDL_VideoDevice)); |
| 113 | if ( device ) { |
| 114 | SDL_memset(device, 0, (sizeof *device)); |
| 115 | device->hidden = (struct SDL_PrivateVideoData *) |
| 116 | SDL_malloc((sizeof *device->hidden)); |
| 117 | } |
| 118 | if ( (device == NULL) || (device->hidden == NULL) ) { |
| 119 | SDL_OutOfMemory(); |
| 120 | if ( device ) { |
| 121 | SDL_free(device); |
| 122 | } |
| 123 | return(0); |
| 124 | } |
| 125 | SDL_memset(device->hidden, 0, (sizeof *device->hidden)); |
| 126 | |
| 127 | /* Set the function pointers */ |
| 128 | device->VideoInit = SVGA_VideoInit; |
| 129 | device->ListModes = SVGA_ListModes; |
| 130 | device->SetVideoMode = SVGA_SetVideoMode; |
| 131 | device->SetColors = SVGA_SetColors; |
| 132 | device->UpdateRects = NULL; |
| 133 | device->VideoQuit = SVGA_VideoQuit; |
| 134 | device->AllocHWSurface = SVGA_AllocHWSurface; |
| 135 | device->CheckHWBlit = NULL; |
| 136 | device->FillHWRect = NULL; |
| 137 | device->SetHWColorKey = NULL; |
| 138 | device->SetHWAlpha = NULL; |
| 139 | device->LockHWSurface = SVGA_LockHWSurface; |
| 140 | device->UnlockHWSurface = SVGA_UnlockHWSurface; |
| 141 | device->FlipHWSurface = SVGA_FlipHWSurface; |
| 142 | device->FreeHWSurface = SVGA_FreeHWSurface; |
| 143 | device->SetCaption = NULL; |
| 144 | device->SetIcon = NULL; |
| 145 | device->IconifyWindow = NULL; |
| 146 | device->GrabInput = NULL; |
| 147 | device->GetWMInfo = NULL; |
| 148 | device->InitOSKeymap = SVGA_InitOSKeymap; |
| 149 | device->PumpEvents = SVGA_PumpEvents; |
| 150 | |
| 151 | device->free = SVGA_DeleteDevice; |
| 152 | |
| 153 | return device; |
| 154 | } |
| 155 | |
| 156 | VideoBootStrap SVGALIB_bootstrap = { |
| 157 | "svgalib", "SVGAlib", |
| 158 | SVGA_Available, SVGA_CreateDevice |
| 159 | }; |
| 160 | |
| 161 | static int SVGA_AddMode(_THIS, int mode, int actually_add) |
| 162 | { |
| 163 | int i, j; |
| 164 | vga_modeinfo *modeinfo; |
| 165 | |
| 166 | modeinfo = vga_getmodeinfo(mode); |
| 167 | |
| 168 | i = modeinfo->bytesperpixel-1; |
| 169 | if ( i < 0 ) { |
| 170 | return 0; |
| 171 | } |
| 172 | if ( actually_add ) { |
| 173 | SDL_Rect saved_rect[2]; |
| 174 | int saved_mode[2]; |
| 175 | int b; |
| 176 | |
| 177 | /* Add the mode, sorted largest to smallest */ |
| 178 | b = 0; |
| 179 | j = 0; |
| 180 | while ( (SDL_modelist[i][j]->w > modeinfo->width) || |
| 181 | (SDL_modelist[i][j]->h > modeinfo->height) ) { |
| 182 | ++j; |
| 183 | } |
| 184 | /* Skip modes that are already in our list */ |
| 185 | if ( (SDL_modelist[i][j]->w == modeinfo->width) && |
| 186 | (SDL_modelist[i][j]->h == modeinfo->height) ) { |
| 187 | return(0); |
| 188 | } |
| 189 | /* Insert the new mode */ |
| 190 | saved_rect[b] = *SDL_modelist[i][j]; |
| 191 | saved_mode[b] = SDL_vgamode[i][j]; |
| 192 | SDL_modelist[i][j]->w = modeinfo->width; |
| 193 | SDL_modelist[i][j]->h = modeinfo->height; |
| 194 | SDL_vgamode[i][j] = mode; |
| 195 | /* Everybody scoot down! */ |
| 196 | if ( saved_rect[b].w && saved_rect[b].h ) { |
| 197 | for ( ++j; SDL_modelist[i][j]->w; ++j ) { |
| 198 | saved_rect[!b] = *SDL_modelist[i][j]; |
| 199 | saved_mode[!b] = SDL_vgamode[i][j]; |
| 200 | *SDL_modelist[i][j] = saved_rect[b]; |
| 201 | SDL_vgamode[i][j] = saved_mode[b]; |
| 202 | b = !b; |
| 203 | } |
| 204 | *SDL_modelist[i][j] = saved_rect[b]; |
| 205 | SDL_vgamode[i][j] = saved_mode[b]; |
| 206 | } |
| 207 | } else { |
| 208 | ++SDL_nummodes[i]; |
| 209 | } |
| 210 | return(1); |
| 211 | } |
| 212 | |
| 213 | static void SVGA_UpdateVideoInfo(_THIS) |
| 214 | { |
| 215 | vga_modeinfo *modeinfo; |
| 216 | |
| 217 | this->info.wm_available = 0; |
| 218 | this->info.hw_available = (banked ? 0 : 1); |
| 219 | modeinfo = vga_getmodeinfo(vga_getcurrentmode()); |
| 220 | this->info.video_mem = modeinfo->memory; |
| 221 | /* FIXME: Add hardware accelerated blit information */ |
| 222 | #ifdef SVGALIB_DEBUG |
| 223 | printf("Hardware accelerated blit: %savailable\n", modeinfo->haveblit ? "" : "not "); |
| 224 | #endif |
| 225 | } |
| 226 | |
| 227 | int SVGA_VideoInit(_THIS, SDL_PixelFormat *vformat) |
| 228 | { |
| 229 | int keyboard; |
| 230 | int i, j; |
| 231 | int mode, total_modes; |
| 232 | |
| 233 | /* Initialize all variables that we clean on shutdown */ |
| 234 | for ( i=0; i<NUM_MODELISTS; ++i ) { |
| 235 | SDL_nummodes[i] = 0; |
| 236 | SDL_modelist[i] = NULL; |
| 237 | SDL_vgamode[i] = NULL; |
| 238 | } |
| 239 | |
| 240 | /* Initialize the library */ |
| 241 | vga_disabledriverreport(); |
| 242 | if ( vga_init() < 0 ) { |
| 243 | SDL_SetError("Unable to initialize SVGAlib"); |
| 244 | return(-1); |
| 245 | } |
| 246 | vga_setmode(TEXT); |
| 247 | |
| 248 | /* Enable mouse and keyboard support */ |
| 249 | vga_setmousesupport(1); |
| 250 | keyboard = keyboard_init_return_fd(); |
| 251 | if ( keyboard < 0 ) { |
| 252 | SDL_SetError("Unable to initialize keyboard"); |
| 253 | return(-1); |
| 254 | } |
| 255 | if ( SVGA_initkeymaps(keyboard) < 0 ) { |
| 256 | return(-1); |
| 257 | } |
| 258 | keyboard_seteventhandler(SVGA_keyboardcallback); |
| 259 | |
| 260 | /* Determine the current screen size */ |
| 261 | this->info.current_w = 0; |
| 262 | this->info.current_h = 0; |
| 263 | |
| 264 | /* Determine the screen depth (use default 8-bit depth) */ |
| 265 | vformat->BitsPerPixel = 8; |
| 266 | |
| 267 | /* Enumerate the available fullscreen modes */ |
| 268 | total_modes = 0; |
| 269 | for ( mode=vga_lastmodenumber(); mode; --mode ) { |
| 270 | if ( vga_hasmode(mode) ) { |
| 271 | if ( SVGA_AddMode(this, mode, 0) ) { |
| 272 | ++total_modes; |
| 273 | } |
| 274 | } |
| 275 | } |
| 276 | if ( SVGA_AddMode(this, G320x200x256, 0) ) ++total_modes; |
| 277 | if ( total_modes == 0 ) { |
| 278 | SDL_SetError("No linear video modes available"); |
| 279 | return(-1); |
| 280 | } |
| 281 | for ( i=0; i<NUM_MODELISTS; ++i ) { |
| 282 | SDL_vgamode[i] = (int *)SDL_malloc(SDL_nummodes[i]*sizeof(int)); |
| 283 | if ( SDL_vgamode[i] == NULL ) { |
| 284 | SDL_OutOfMemory(); |
| 285 | return(-1); |
| 286 | } |
| 287 | SDL_modelist[i] = (SDL_Rect **) |
| 288 | SDL_malloc((SDL_nummodes[i]+1)*sizeof(SDL_Rect *)); |
| 289 | if ( SDL_modelist[i] == NULL ) { |
| 290 | SDL_OutOfMemory(); |
| 291 | return(-1); |
| 292 | } |
| 293 | for ( j=0; j<SDL_nummodes[i]; ++j ) { |
| 294 | SDL_modelist[i][j]=(SDL_Rect *)SDL_malloc(sizeof(SDL_Rect)); |
| 295 | if ( SDL_modelist[i][j] == NULL ) { |
| 296 | SDL_OutOfMemory(); |
| 297 | return(-1); |
| 298 | } |
| 299 | SDL_memset(SDL_modelist[i][j], 0, sizeof(SDL_Rect)); |
| 300 | } |
| 301 | SDL_modelist[i][j] = NULL; |
| 302 | } |
| 303 | for ( mode=vga_lastmodenumber(); mode; --mode ) { |
| 304 | if ( vga_hasmode(mode) ) { |
| 305 | SVGA_AddMode(this, mode, 1); |
| 306 | } |
| 307 | } |
| 308 | SVGA_AddMode(this, G320x200x256, 1); |
| 309 | |
| 310 | /* Free extra (duplicated) modes */ |
| 311 | for ( i=0; i<NUM_MODELISTS; ++i ) { |
| 312 | j = 0; |
| 313 | while ( SDL_modelist[i][j] && SDL_modelist[i][j]->w ) { |
| 314 | j++; |
| 315 | } |
| 316 | while ( SDL_modelist[i][j] ) { |
| 317 | SDL_free(SDL_modelist[i][j]); |
| 318 | SDL_modelist[i][j] = NULL; |
| 319 | j++; |
| 320 | } |
| 321 | } |
| 322 | |
| 323 | /* Fill in our hardware acceleration capabilities */ |
| 324 | SVGA_UpdateVideoInfo(this); |
| 325 | |
| 326 | /* We're done! */ |
| 327 | return(0); |
| 328 | } |
| 329 | |
| 330 | SDL_Rect **SVGA_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags) |
| 331 | { |
| 332 | return(SDL_modelist[((format->BitsPerPixel+7)/8)-1]); |
| 333 | } |
| 334 | |
| 335 | /* Various screen update functions available */ |
| 336 | static void SVGA_DirectUpdate(_THIS, int numrects, SDL_Rect *rects); |
| 337 | static void SVGA_BankedUpdate(_THIS, int numrects, SDL_Rect *rects); |
| 338 | |
| 339 | SDL_Surface *SVGA_SetVideoMode(_THIS, SDL_Surface *current, |
| 340 | int width, int height, int bpp, Uint32 flags) |
| 341 | { |
| 342 | int mode; |
| 343 | int vgamode; |
| 344 | vga_modeinfo *modeinfo; |
| 345 | int screenpage_len; |
| 346 | |
| 347 | /* Free old pixels if we were in banked mode */ |
| 348 | if ( banked && current->pixels ) { |
| 349 | free(current->pixels); |
| 350 | current->pixels = NULL; |
| 351 | } |
| 352 | |
| 353 | /* Try to set the requested linear video mode */ |
| 354 | bpp = (bpp+7)/8-1; |
| 355 | for ( mode=0; SDL_modelist[bpp][mode]; ++mode ) { |
| 356 | if ( (SDL_modelist[bpp][mode]->w == width) && |
| 357 | (SDL_modelist[bpp][mode]->h == height) ) { |
| 358 | break; |
| 359 | } |
| 360 | } |
| 361 | if ( SDL_modelist[bpp][mode] == NULL ) { |
| 362 | SDL_SetError("Couldn't find requested mode in list"); |
| 363 | return(NULL); |
| 364 | } |
| 365 | vgamode = SDL_vgamode[bpp][mode]; |
| 366 | vga_setmode(vgamode); |
| 367 | vga_setpage(0); |
| 368 | |
| 369 | if ( (vga_setlinearaddressing() < 0) && (vgamode != G320x200x256) ) { |
| 370 | banked = 1; |
| 371 | } else { |
| 372 | banked = 0; |
| 373 | } |
| 374 | |
| 375 | modeinfo = vga_getmodeinfo(SDL_vgamode[bpp][mode]); |
| 376 | |
| 377 | /* Update hardware acceleration info */ |
| 378 | SVGA_UpdateVideoInfo(this); |
| 379 | |
| 380 | /* Allocate the new pixel format for the screen */ |
| 381 | bpp = (bpp+1)*8; |
| 382 | if ( (bpp == 16) && (modeinfo->colors == 32768) ) { |
| 383 | bpp = 15; |
| 384 | } |
| 385 | if ( ! SDL_ReallocFormat(current, bpp, 0, 0, 0, 0) ) { |
| 386 | return(NULL); |
| 387 | } |
| 388 | |
| 389 | /* Set up the new mode framebuffer */ |
| 390 | current->flags = SDL_FULLSCREEN; |
| 391 | if ( !banked ) { |
| 392 | current->flags |= SDL_HWSURFACE; |
| 393 | } |
| 394 | if ( bpp == 8 ) { |
| 395 | /* FIXME: What about DirectColor? */ |
| 396 | current->flags |= SDL_HWPALETTE; |
| 397 | } |
| 398 | current->w = width; |
| 399 | current->h = height; |
| 400 | current->pitch = modeinfo->linewidth; |
| 401 | if ( banked ) { |
| 402 | current->pixels = SDL_malloc(current->h * current->pitch); |
| 403 | if ( !current->pixels ) { |
| 404 | SDL_OutOfMemory(); |
| 405 | return(NULL); |
| 406 | } |
| 407 | } else { |
| 408 | current->pixels = vga_getgraphmem(); |
| 409 | } |
| 410 | |
| 411 | /* set double-buffering */ |
| 412 | if ( (flags & SDL_DOUBLEBUF) && !banked ) |
| 413 | { |
| 414 | /* length of one screen page in bytes */ |
| 415 | screenpage_len=current->h*modeinfo->linewidth; |
| 416 | |
| 417 | /* if start address should be aligned */ |
| 418 | if ( modeinfo->linewidth_unit ) |
| 419 | { |
| 420 | if ( screenpage_len % modeinfo->linewidth_unit ) |
| 421 | { |
| 422 | screenpage_len += modeinfo->linewidth_unit - ( screenpage_len % modeinfo->linewidth_unit ); |
| 423 | } |
| 424 | } |
| 425 | |
| 426 | /* if we heve enough videomemory = ak je dost videopamete */ |
| 427 | if ( modeinfo->memory > ( screenpage_len * 2 / 1024 ) ) |
| 428 | { |
| 429 | current->flags |= SDL_DOUBLEBUF; |
| 430 | flip_page = 0; |
| 431 | flip_offset[0] = 0; |
| 432 | flip_offset[1] = screenpage_len; |
| 433 | flip_address[0] = vga_getgraphmem(); |
| 434 | flip_address[1] = flip_address[0]+screenpage_len; |
| 435 | SVGA_FlipHWSurface(this,current); |
| 436 | } |
| 437 | } |
| 438 | |
| 439 | /* Set the blit function */ |
| 440 | if ( banked ) { |
| 441 | this->UpdateRects = SVGA_BankedUpdate; |
| 442 | } else { |
| 443 | this->UpdateRects = SVGA_DirectUpdate; |
| 444 | } |
| 445 | |
| 446 | /* Set up the mouse handler again (buggy SVGAlib 1.40) */ |
| 447 | mouse_seteventhandler(SVGA_mousecallback); |
| 448 | |
| 449 | /* We're done */ |
| 450 | return(current); |
| 451 | } |
| 452 | |
| 453 | /* We don't actually allow hardware surfaces other than the main one */ |
| 454 | static int SVGA_AllocHWSurface(_THIS, SDL_Surface *surface) |
| 455 | { |
| 456 | return(-1); |
| 457 | } |
| 458 | static void SVGA_FreeHWSurface(_THIS, SDL_Surface *surface) |
| 459 | { |
| 460 | return; |
| 461 | } |
| 462 | |
| 463 | /* We need to wait for vertical retrace on page flipped displays */ |
| 464 | static int SVGA_LockHWSurface(_THIS, SDL_Surface *surface) |
| 465 | { |
| 466 | /* The waiting is done in SVGA_FlipHWSurface() */ |
| 467 | return(0); |
| 468 | } |
| 469 | static void SVGA_UnlockHWSurface(_THIS, SDL_Surface *surface) |
| 470 | { |
| 471 | return; |
| 472 | } |
| 473 | |
| 474 | static int SVGA_FlipHWSurface(_THIS, SDL_Surface *surface) |
| 475 | { |
| 476 | if ( !banked ) { |
| 477 | vga_setdisplaystart(flip_offset[flip_page]); |
| 478 | flip_page=!flip_page; |
| 479 | surface->pixels=flip_address[flip_page]; |
| 480 | vga_waitretrace(); |
| 481 | } |
| 482 | return(0); |
| 483 | } |
| 484 | |
| 485 | static void SVGA_DirectUpdate(_THIS, int numrects, SDL_Rect *rects) |
| 486 | { |
| 487 | return; |
| 488 | } |
| 489 | |
| 490 | static void SVGA_BankedUpdate(_THIS, int numrects, SDL_Rect *rects) |
| 491 | { |
| 492 | int i, j; |
| 493 | SDL_Rect *rect; |
| 494 | int page, vp; |
| 495 | int x, y, w, h; |
| 496 | unsigned char *src; |
| 497 | unsigned char *dst; |
| 498 | int bpp = this->screen->format->BytesPerPixel; |
| 499 | int pitch = this->screen->pitch; |
| 500 | |
| 501 | dst = vga_getgraphmem(); |
| 502 | for ( i=0; i < numrects; ++i ) { |
| 503 | rect = &rects[i]; |
| 504 | x = rect->x; |
| 505 | y = rect->y; |
| 506 | w = rect->w * bpp; |
| 507 | h = rect->h; |
| 508 | |
| 509 | vp = y * pitch + x * bpp; |
| 510 | src = (unsigned char *)this->screen->pixels + vp; |
| 511 | page = vp >> 16; |
| 512 | vp &= 0xffff; |
| 513 | vga_setpage(page); |
| 514 | for (j = 0; j < h; j++) { |
| 515 | if (vp + w > 0x10000) { |
| 516 | if (vp >= 0x10000) { |
| 517 | page++; |
| 518 | vga_setpage(page); |
| 519 | vp &= 0xffff; |
| 520 | } else { |
| 521 | SDL_memcpy(dst + vp, src, 0x10000 - vp); |
| 522 | page++; |
| 523 | vga_setpage(page); |
| 524 | SDL_memcpy(dst, src + 0x10000 - vp, |
| 525 | (vp + w) & 0xffff); |
| 526 | vp = (vp + pitch) & 0xffff; |
| 527 | src += pitch; |
| 528 | continue; |
| 529 | } |
| 530 | } |
| 531 | SDL_memcpy(dst + vp, src, w); |
| 532 | src += pitch; |
| 533 | vp += pitch; |
| 534 | } |
| 535 | } |
| 536 | } |
| 537 | |
| 538 | int SVGA_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors) |
| 539 | { |
| 540 | int i; |
| 541 | |
| 542 | for(i = 0; i < ncolors; i++) { |
| 543 | vga_setpalette(firstcolor + i, |
| 544 | colors[i].r>>2, |
| 545 | colors[i].g>>2, |
| 546 | colors[i].b>>2); |
| 547 | } |
| 548 | return(1); |
| 549 | } |
| 550 | |
| 551 | /* Note: If we are terminated, this could be called in the middle of |
| 552 | another SDL video routine -- notably UpdateRects. |
| 553 | */ |
| 554 | void SVGA_VideoQuit(_THIS) |
| 555 | { |
| 556 | int i, j; |
| 557 | |
| 558 | /* Reset the console video mode */ |
| 559 | if ( this->screen && (this->screen->w && this->screen->h) ) { |
| 560 | vga_setmode(TEXT); |
| 561 | } |
| 562 | keyboard_close(); |
| 563 | |
| 564 | /* Free video mode lists */ |
| 565 | for ( i=0; i<NUM_MODELISTS; ++i ) { |
| 566 | if ( SDL_modelist[i] != NULL ) { |
| 567 | for ( j=0; SDL_modelist[i][j]; ++j ) |
| 568 | SDL_free(SDL_modelist[i][j]); |
| 569 | SDL_free(SDL_modelist[i]); |
| 570 | SDL_modelist[i] = NULL; |
| 571 | } |
| 572 | if ( SDL_vgamode[i] != NULL ) { |
| 573 | SDL_free(SDL_vgamode[i]); |
| 574 | SDL_vgamode[i] = NULL; |
| 575 | } |
| 576 | } |
| 577 | if ( this->screen ) { |
| 578 | if ( banked && this->screen->pixels ) { |
| 579 | SDL_free(this->screen->pixels); |
| 580 | } |
| 581 | this->screen->pixels = NULL; |
| 582 | } |
| 583 | } |
| 584 | |