| 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 | /* |
| 25 | * Xbios SDL video driver |
| 26 | * |
| 27 | * Patrice Mandin |
| 28 | */ |
| 29 | |
| 30 | #include <sys/stat.h> |
| 31 | #include <unistd.h> |
| 32 | |
| 33 | /* Mint includes */ |
| 34 | #include <mint/cookie.h> |
| 35 | #include <mint/osbind.h> |
| 36 | #include <mint/falcon.h> |
| 37 | |
| 38 | #include "SDL_video.h" |
| 39 | #include "SDL_mouse.h" |
| 40 | #include "../SDL_sysvideo.h" |
| 41 | #include "../SDL_pixels_c.h" |
| 42 | #include "../../events/SDL_events_c.h" |
| 43 | |
| 44 | #include "../ataricommon/SDL_ataric2p_s.h" |
| 45 | #include "../ataricommon/SDL_atarievents_c.h" |
| 46 | #include "../ataricommon/SDL_atarimxalloc_c.h" |
| 47 | #include "../ataricommon/SDL_atarigl_c.h" |
| 48 | #include "SDL_xbios.h" |
| 49 | #include "SDL_xbios_blowup.h" |
| 50 | #include "SDL_xbios_centscreen.h" |
| 51 | #include "SDL_xbios_sb3.h" |
| 52 | #include "SDL_xbios_tveille.h" |
| 53 | #include "SDL_xbios_milan.h" |
| 54 | |
| 55 | #define XBIOS_VID_DRIVER_NAME "xbios" |
| 56 | |
| 57 | #ifndef C_fVDI |
| 58 | #define C_fVDI 0x66564449L |
| 59 | #endif |
| 60 | |
| 61 | /* Debug print info */ |
| 62 | #if 0 |
| 63 | #define DEBUG_PRINT(what) \ |
| 64 | { \ |
| 65 | printf what; \ |
| 66 | } |
| 67 | #define DEBUG_VIDEO_XBIOS 1 |
| 68 | #else |
| 69 | #define DEBUG_PRINT(what) |
| 70 | #undef DEBUG_VIDEO_XBIOS |
| 71 | #endif |
| 72 | |
| 73 | /* Initialization/Query functions */ |
| 74 | static int XBIOS_VideoInit(_THIS, SDL_PixelFormat *vformat); |
| 75 | static SDL_Rect **XBIOS_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags); |
| 76 | static SDL_Surface *XBIOS_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags); |
| 77 | static int XBIOS_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors); |
| 78 | static void XBIOS_VideoQuit(_THIS); |
| 79 | |
| 80 | /* Hardware surface functions */ |
| 81 | static int XBIOS_AllocHWSurface(_THIS, SDL_Surface *surface); |
| 82 | static int XBIOS_LockHWSurface(_THIS, SDL_Surface *surface); |
| 83 | static int XBIOS_FlipHWSurface(_THIS, SDL_Surface *surface); |
| 84 | static void XBIOS_UnlockHWSurface(_THIS, SDL_Surface *surface); |
| 85 | static void XBIOS_FreeHWSurface(_THIS, SDL_Surface *surface); |
| 86 | static void XBIOS_UpdateRects(_THIS, int numrects, SDL_Rect *rects); |
| 87 | |
| 88 | #if SDL_VIDEO_OPENGL |
| 89 | /* OpenGL functions */ |
| 90 | static void XBIOS_GL_SwapBuffers(_THIS); |
| 91 | #endif |
| 92 | |
| 93 | /* To setup palette */ |
| 94 | |
| 95 | static unsigned short TT_palette[256]; |
| 96 | static unsigned long F30_palette[256]; |
| 97 | |
| 98 | /* Default list of video modes */ |
| 99 | |
| 100 | static const xbiosmode_t stmodes[1]={ |
| 101 | {ST_LOW>>8,320,200,4, XBIOSMODE_C2P} |
| 102 | }; |
| 103 | |
| 104 | static const xbiosmode_t ttmodes[2]={ |
| 105 | {TT_LOW,320,480,8, XBIOSMODE_C2P}, |
| 106 | {TT_LOW,320,240,8, XBIOSMODE_C2P|XBIOSMODE_DOUBLELINE} |
| 107 | }; |
| 108 | |
| 109 | static const xbiosmode_t falconrgbmodes[16]={ |
| 110 | {BPS16|COL80|OVERSCAN|VERTFLAG,768,480,16,0}, |
| 111 | {BPS16|COL80|OVERSCAN,768,240,16,0}, |
| 112 | {BPS16|COL80|VERTFLAG,640,400,16,0}, |
| 113 | {BPS16|COL80,640,200,16,0}, |
| 114 | {BPS16|OVERSCAN|VERTFLAG,384,480,16,0}, |
| 115 | {BPS16|OVERSCAN,384,240,16,0}, |
| 116 | {BPS16|VERTFLAG,320,400,16,0}, |
| 117 | {BPS16,320,200,16,0}, |
| 118 | {BPS8|COL80|OVERSCAN|VERTFLAG,768,480,8,XBIOSMODE_C2P}, |
| 119 | {BPS8|COL80|OVERSCAN,768,240,8,XBIOSMODE_C2P}, |
| 120 | {BPS8|COL80|VERTFLAG,640,400,8,XBIOSMODE_C2P}, |
| 121 | {BPS8|COL80,640,200,8,XBIOSMODE_C2P}, |
| 122 | {BPS8|OVERSCAN|VERTFLAG,384,480,8,XBIOSMODE_C2P}, |
| 123 | {BPS8|OVERSCAN,384,240,8,XBIOSMODE_C2P}, |
| 124 | {BPS8|VERTFLAG,320,400,8,XBIOSMODE_C2P}, |
| 125 | {BPS8,320,200,8,XBIOSMODE_C2P} |
| 126 | }; |
| 127 | |
| 128 | static const xbiosmode_t falconvgamodes[6]={ |
| 129 | {BPS16,320,480,16,0}, |
| 130 | {BPS16|VERTFLAG,320,240,16,0}, |
| 131 | {BPS8|COL80,640,480,8,XBIOSMODE_C2P}, |
| 132 | {BPS8|COL80|VERTFLAG,640,240,8,XBIOSMODE_C2P}, |
| 133 | {BPS8,320,480,8,XBIOSMODE_C2P}, |
| 134 | {BPS8|VERTFLAG,320,240,8,XBIOSMODE_C2P} |
| 135 | }; |
| 136 | |
| 137 | /* Xbios driver bootstrap functions */ |
| 138 | |
| 139 | static int XBIOS_Available(void) |
| 140 | { |
| 141 | unsigned long cookie_vdo, cookie_mil, cookie_hade, cookie_scpn; |
| 142 | unsigned long cookie_fvdi; |
| 143 | const char *envr = SDL_getenv("SDL_VIDEODRIVER"); |
| 144 | |
| 145 | /* Milan/Hades Atari clones do not have an Atari video chip */ |
| 146 | if ( /*(Getcookie(C__MIL, &cookie_mil) == C_FOUND) ||*/ |
| 147 | (Getcookie(C_hade, &cookie_hade) == C_FOUND) ) { |
| 148 | return 0; |
| 149 | } |
| 150 | |
| 151 | /* fVDI means graphic card, so no Xbios with it */ |
| 152 | if (Getcookie(C_fVDI, &cookie_fvdi) == C_FOUND) { |
| 153 | if (!envr) { |
| 154 | return 0; |
| 155 | } |
| 156 | if (SDL_strcmp(envr, XBIOS_VID_DRIVER_NAME)!=0) { |
| 157 | return 0; |
| 158 | } |
| 159 | /* Except if we force Xbios usage, through env var */ |
| 160 | } |
| 161 | |
| 162 | /* Cookie _VDO present ? if not, assume ST machine */ |
| 163 | if (Getcookie(C__VDO, &cookie_vdo) != C_FOUND) { |
| 164 | cookie_vdo = VDO_ST << 16; |
| 165 | } |
| 166 | |
| 167 | /* Test if we have a monochrome monitor plugged in */ |
| 168 | switch( cookie_vdo >>16) { |
| 169 | case VDO_ST: |
| 170 | case VDO_STE: |
| 171 | if ( Getrez() == (ST_HIGH>>8) ) |
| 172 | return 0; |
| 173 | break; |
| 174 | case VDO_TT: |
| 175 | if ( (EgetShift() & ES_MODE) == TT_HIGH) |
| 176 | return 0; |
| 177 | break; |
| 178 | case VDO_F30: |
| 179 | if ( VgetMonitor() == MONITOR_MONO) |
| 180 | return 0; |
| 181 | if (Getcookie(C_SCPN, &cookie_scpn) == C_FOUND) { |
| 182 | if (!SDL_XBIOS_SB3Usable((scpn_cookie_t *)cookie_scpn)) { |
| 183 | return 0; |
| 184 | } |
| 185 | } |
| 186 | break; |
| 187 | case VDO_MILAN: |
| 188 | break; |
| 189 | default: |
| 190 | return 0; |
| 191 | } |
| 192 | |
| 193 | return 1; |
| 194 | } |
| 195 | |
| 196 | static void XBIOS_DeleteDevice(SDL_VideoDevice *device) |
| 197 | { |
| 198 | SDL_free(device->hidden); |
| 199 | SDL_free(device); |
| 200 | } |
| 201 | |
| 202 | static SDL_VideoDevice *XBIOS_CreateDevice(int devindex) |
| 203 | { |
| 204 | SDL_VideoDevice *device; |
| 205 | |
| 206 | /* Initialize all variables that we clean on shutdown */ |
| 207 | device = (SDL_VideoDevice *)SDL_malloc(sizeof(SDL_VideoDevice)); |
| 208 | if ( device ) { |
| 209 | SDL_memset(device, 0, (sizeof *device)); |
| 210 | device->hidden = (struct SDL_PrivateVideoData *) |
| 211 | SDL_malloc((sizeof *device->hidden)); |
| 212 | device->gl_data = (struct SDL_PrivateGLData *) |
| 213 | SDL_malloc((sizeof *device->gl_data)); |
| 214 | } |
| 215 | if ( (device == NULL) || (device->hidden == NULL) ) { |
| 216 | SDL_OutOfMemory(); |
| 217 | if ( device ) { |
| 218 | SDL_free(device); |
| 219 | } |
| 220 | return(0); |
| 221 | } |
| 222 | SDL_memset(device->hidden, 0, (sizeof *device->hidden)); |
| 223 | SDL_memset(device->gl_data, 0, sizeof(*device->gl_data)); |
| 224 | |
| 225 | /* Video functions */ |
| 226 | device->VideoInit = XBIOS_VideoInit; |
| 227 | device->ListModes = XBIOS_ListModes; |
| 228 | device->SetVideoMode = XBIOS_SetVideoMode; |
| 229 | device->SetColors = XBIOS_SetColors; |
| 230 | device->UpdateRects = NULL; |
| 231 | device->VideoQuit = XBIOS_VideoQuit; |
| 232 | device->AllocHWSurface = XBIOS_AllocHWSurface; |
| 233 | device->LockHWSurface = XBIOS_LockHWSurface; |
| 234 | device->UnlockHWSurface = XBIOS_UnlockHWSurface; |
| 235 | device->FlipHWSurface = XBIOS_FlipHWSurface; |
| 236 | device->FreeHWSurface = XBIOS_FreeHWSurface; |
| 237 | |
| 238 | #if SDL_VIDEO_OPENGL |
| 239 | /* OpenGL functions */ |
| 240 | device->GL_LoadLibrary = SDL_AtariGL_LoadLibrary; |
| 241 | device->GL_GetProcAddress = SDL_AtariGL_GetProcAddress; |
| 242 | device->GL_GetAttribute = SDL_AtariGL_GetAttribute; |
| 243 | device->GL_MakeCurrent = SDL_AtariGL_MakeCurrent; |
| 244 | device->GL_SwapBuffers = XBIOS_GL_SwapBuffers; |
| 245 | #endif |
| 246 | |
| 247 | /* Events */ |
| 248 | device->InitOSKeymap = Atari_InitOSKeymap; |
| 249 | device->PumpEvents = Atari_PumpEvents; |
| 250 | |
| 251 | device->free = XBIOS_DeleteDevice; |
| 252 | |
| 253 | return device; |
| 254 | } |
| 255 | |
| 256 | VideoBootStrap XBIOS_bootstrap = { |
| 257 | XBIOS_VID_DRIVER_NAME, "Atari Xbios driver", |
| 258 | XBIOS_Available, XBIOS_CreateDevice |
| 259 | }; |
| 260 | |
| 261 | void SDL_XBIOS_AddMode(_THIS, int actually_add, const xbiosmode_t *modeinfo) |
| 262 | { |
| 263 | int i = 0; |
| 264 | |
| 265 | switch(modeinfo->depth) { |
| 266 | case 15: |
| 267 | case 16: |
| 268 | i = 1; |
| 269 | break; |
| 270 | case 24: |
| 271 | i = 2; |
| 272 | break; |
| 273 | case 32: |
| 274 | i = 3; |
| 275 | break; |
| 276 | } |
| 277 | |
| 278 | if ( actually_add ) { |
| 279 | SDL_Rect saved_rect[2]; |
| 280 | xbiosmode_t saved_mode[2]; |
| 281 | int b, j; |
| 282 | |
| 283 | /* Add the mode, sorted largest to smallest */ |
| 284 | b = 0; |
| 285 | j = 0; |
| 286 | while ( (SDL_modelist[i][j]->w > modeinfo->width) || |
| 287 | (SDL_modelist[i][j]->h > modeinfo->height) ) { |
| 288 | ++j; |
| 289 | } |
| 290 | /* Skip modes that are already in our list */ |
| 291 | if ( (SDL_modelist[i][j]->w == modeinfo->width) && |
| 292 | (SDL_modelist[i][j]->h == modeinfo->height) ) { |
| 293 | return; |
| 294 | } |
| 295 | /* Insert the new mode */ |
| 296 | saved_rect[b] = *SDL_modelist[i][j]; |
| 297 | SDL_memcpy(&saved_mode[b], SDL_xbiosmode[i][j], sizeof(xbiosmode_t)); |
| 298 | SDL_modelist[i][j]->w = modeinfo->width; |
| 299 | SDL_modelist[i][j]->h = modeinfo->height; |
| 300 | SDL_memcpy(SDL_xbiosmode[i][j], modeinfo, sizeof(xbiosmode_t)); |
| 301 | /* Everybody scoot down! */ |
| 302 | if ( saved_rect[b].w && saved_rect[b].h ) { |
| 303 | for ( ++j; SDL_modelist[i][j]->w; ++j ) { |
| 304 | saved_rect[!b] = *SDL_modelist[i][j]; |
| 305 | memcpy(&saved_mode[!b], SDL_xbiosmode[i][j], sizeof(xbiosmode_t)); |
| 306 | *SDL_modelist[i][j] = saved_rect[b]; |
| 307 | SDL_memcpy(SDL_xbiosmode[i][j], &saved_mode[b], sizeof(xbiosmode_t)); |
| 308 | b = !b; |
| 309 | } |
| 310 | *SDL_modelist[i][j] = saved_rect[b]; |
| 311 | SDL_memcpy(SDL_xbiosmode[i][j], &saved_mode[b], sizeof(xbiosmode_t)); |
| 312 | } |
| 313 | } else { |
| 314 | ++SDL_nummodes[i]; |
| 315 | } |
| 316 | } |
| 317 | |
| 318 | static void XBIOS_ListSTModes(_THIS, int actually_add) |
| 319 | { |
| 320 | SDL_XBIOS_AddMode(this, actually_add, &stmodes[0]); |
| 321 | } |
| 322 | |
| 323 | static void XBIOS_ListTTModes(_THIS, int actually_add) |
| 324 | { |
| 325 | int i; |
| 326 | |
| 327 | for (i=0; i<2; i++) { |
| 328 | SDL_XBIOS_AddMode(this, actually_add, &ttmodes[i]); |
| 329 | } |
| 330 | } |
| 331 | |
| 332 | static void XBIOS_ListFalconRgbModes(_THIS, int actually_add) |
| 333 | { |
| 334 | int i; |
| 335 | |
| 336 | for (i=0; i<16; i++) { |
| 337 | xbiosmode_t modeinfo; |
| 338 | |
| 339 | SDL_memcpy(&modeinfo, &falconrgbmodes[i], sizeof(xbiosmode_t)); |
| 340 | modeinfo.number &= ~(VGA|PAL); |
| 341 | modeinfo.number |= XBIOS_oldvmode & (VGA|PAL); |
| 342 | |
| 343 | SDL_XBIOS_AddMode(this, actually_add, &modeinfo); |
| 344 | } |
| 345 | } |
| 346 | |
| 347 | static void XBIOS_ListFalconVgaModes(_THIS, int actually_add) |
| 348 | { |
| 349 | int i; |
| 350 | |
| 351 | for (i=0; i<6; i++) { |
| 352 | xbiosmode_t modeinfo; |
| 353 | |
| 354 | SDL_memcpy(&modeinfo, &falconvgamodes[i], sizeof(xbiosmode_t)); |
| 355 | modeinfo.number &= ~(VGA|PAL); |
| 356 | modeinfo.number |= XBIOS_oldvmode & (VGA|PAL); |
| 357 | |
| 358 | SDL_XBIOS_AddMode(this, actually_add, &modeinfo); |
| 359 | } |
| 360 | } |
| 361 | |
| 362 | static int XBIOS_VideoInit(_THIS, SDL_PixelFormat *vformat) |
| 363 | { |
| 364 | int i,j8,j16; |
| 365 | xbiosmode_t *current_mode; |
| 366 | unsigned long cookie_blow, cookie_scpn, cookie_cnts; |
| 367 | |
| 368 | /* Initialize all variables that we clean on shutdown */ |
| 369 | for ( i=0; i<NUM_MODELISTS; ++i ) { |
| 370 | SDL_nummodes[i] = 0; |
| 371 | SDL_modelist[i] = NULL; |
| 372 | SDL_xbiosmode[i] = NULL; |
| 373 | } |
| 374 | |
| 375 | /* Cookie _VDO present ? if not, assume ST machine */ |
| 376 | if (Getcookie(C__VDO, &XBIOS_cvdo) != C_FOUND) { |
| 377 | XBIOS_cvdo = VDO_ST << 16; |
| 378 | } |
| 379 | |
| 380 | /* Allocate memory for old palette */ |
| 381 | XBIOS_oldpalette = (void *)SDL_malloc(256*sizeof(long)); |
| 382 | if ( !XBIOS_oldpalette ) { |
| 383 | SDL_SetError("Unable to allocate memory for old palette\n"); |
| 384 | return(-1); |
| 385 | } |
| 386 | |
| 387 | /* Initialize video mode list */ |
| 388 | /* and save current screen status (palette, screen address, video mode) */ |
| 389 | XBIOS_centscreen = SDL_FALSE; |
| 390 | XBIOS_oldvbase = Physbase(); |
| 391 | |
| 392 | /* Determine the current screen size */ |
| 393 | this->info.current_w = 0; |
| 394 | this->info.current_h = 0; |
| 395 | |
| 396 | /* Determine the screen depth (use default 8-bit depth) */ |
| 397 | vformat->BitsPerPixel = 8; |
| 398 | |
| 399 | /* First allocate room for needed video modes */ |
| 400 | switch (XBIOS_cvdo >>16) { |
| 401 | case VDO_ST: |
| 402 | case VDO_STE: |
| 403 | { |
| 404 | short *oldpalette; |
| 405 | |
| 406 | XBIOS_oldvmode=Getrez(); |
| 407 | switch(XBIOS_oldvmode << 8) { |
| 408 | case ST_LOW: |
| 409 | XBIOS_oldnumcol=16; |
| 410 | break; |
| 411 | case ST_MED: |
| 412 | XBIOS_oldnumcol=4; |
| 413 | break; |
| 414 | case ST_HIGH: |
| 415 | XBIOS_oldnumcol=2; |
| 416 | break; |
| 417 | } |
| 418 | |
| 419 | oldpalette= (short *) XBIOS_oldpalette; |
| 420 | for (i=0;i<XBIOS_oldnumcol;i++) { |
| 421 | *oldpalette++=Setcolor(i,-1); |
| 422 | } |
| 423 | |
| 424 | XBIOS_ListSTModes(this, 0); |
| 425 | } |
| 426 | break; |
| 427 | case VDO_TT: |
| 428 | XBIOS_oldvmode=EgetShift(); |
| 429 | |
| 430 | switch(XBIOS_oldvmode & ES_MODE) { |
| 431 | case TT_LOW: |
| 432 | XBIOS_oldnumcol=256; |
| 433 | break; |
| 434 | case ST_LOW: |
| 435 | case TT_MED: |
| 436 | XBIOS_oldnumcol=16; |
| 437 | break; |
| 438 | case ST_MED: |
| 439 | XBIOS_oldnumcol=4; |
| 440 | break; |
| 441 | case ST_HIGH: |
| 442 | case TT_HIGH: |
| 443 | XBIOS_oldnumcol=2; |
| 444 | break; |
| 445 | } |
| 446 | if (XBIOS_oldnumcol) { |
| 447 | EgetPalette(0, XBIOS_oldnumcol, XBIOS_oldpalette); |
| 448 | } |
| 449 | |
| 450 | XBIOS_ListTTModes(this, 0); |
| 451 | break; |
| 452 | case VDO_F30: |
| 453 | XBIOS_oldvmode=VsetMode(-1); |
| 454 | |
| 455 | XBIOS_oldnumcol= 1<< (1 << (XBIOS_oldvmode & NUMCOLS)); |
| 456 | if (XBIOS_oldnumcol > 256) { |
| 457 | XBIOS_oldnumcol = 0; |
| 458 | } |
| 459 | if (XBIOS_oldnumcol) { |
| 460 | VgetRGB(0, XBIOS_oldnumcol, XBIOS_oldpalette); |
| 461 | } |
| 462 | |
| 463 | vformat->BitsPerPixel = 16; |
| 464 | |
| 465 | /* ScreenBlaster 3 ? */ |
| 466 | if (Getcookie(C_SCPN, &cookie_scpn) == C_FOUND) { |
| 467 | SDL_XBIOS_ListSB3Modes(this, 0, (scpn_cookie_t *)cookie_scpn); |
| 468 | } else |
| 469 | /* Centscreen ? */ |
| 470 | if (Getcookie(C_CNTS, &cookie_cnts) == C_FOUND) { |
| 471 | XBIOS_oldvmode = SDL_XBIOS_ListCentscreenModes(this, 0); |
| 472 | XBIOS_centscreen = SDL_TRUE; |
| 473 | } else |
| 474 | /* Standard, with or without Blowup */ |
| 475 | { |
| 476 | switch (VgetMonitor()) |
| 477 | { |
| 478 | case MONITOR_RGB: |
| 479 | case MONITOR_TV: |
| 480 | XBIOS_ListFalconRgbModes(this, 0); |
| 481 | break; |
| 482 | case MONITOR_VGA: |
| 483 | XBIOS_ListFalconVgaModes(this, 0); |
| 484 | break; |
| 485 | } |
| 486 | |
| 487 | if (Getcookie(C_BLOW, &cookie_blow) == C_FOUND) { |
| 488 | SDL_XBIOS_ListBlowupModes(this, 0, (blow_cookie_t *)cookie_blow); |
| 489 | } |
| 490 | } |
| 491 | break; |
| 492 | case VDO_MILAN: |
| 493 | { |
| 494 | SCREENINFO si; |
| 495 | |
| 496 | /* Read infos about current mode */ |
| 497 | VsetScreen(-1, &XBIOS_oldvmode, MI_MAGIC, CMD_GETMODE); |
| 498 | |
| 499 | si.size = sizeof(SCREENINFO); |
| 500 | si.devID = XBIOS_oldvmode; |
| 501 | si.scrFlags = 0; |
| 502 | VsetScreen(-1, &si, MI_MAGIC, CMD_GETINFO); |
| 503 | |
| 504 | this->info.current_w = si.scrWidth; |
| 505 | this->info.current_h = si.scrHeight; |
| 506 | |
| 507 | XBIOS_oldnumcol = 0; |
| 508 | if (si.scrFlags & SCRINFO_OK) { |
| 509 | if (si.scrPlanes <= 8) { |
| 510 | XBIOS_oldnumcol = 1<<si.scrPlanes; |
| 511 | } |
| 512 | } |
| 513 | if (XBIOS_oldnumcol) { |
| 514 | VgetRGB(0, XBIOS_oldnumcol, XBIOS_oldpalette); |
| 515 | } |
| 516 | |
| 517 | SDL_XBIOS_ListMilanModes(this, 0); |
| 518 | } |
| 519 | break; |
| 520 | } |
| 521 | |
| 522 | for ( i=0; i<NUM_MODELISTS; ++i ) { |
| 523 | int j; |
| 524 | |
| 525 | SDL_xbiosmode[i] = (xbiosmode_t **) |
| 526 | SDL_malloc((SDL_nummodes[i]+1)*sizeof(xbiosmode_t *)); |
| 527 | if ( SDL_xbiosmode[i] == NULL ) { |
| 528 | SDL_OutOfMemory(); |
| 529 | return(-1); |
| 530 | } |
| 531 | for ( j=0; j<SDL_nummodes[i]; ++j ) { |
| 532 | SDL_xbiosmode[i][j]=(xbiosmode_t *)SDL_malloc(sizeof(xbiosmode_t)); |
| 533 | if ( SDL_xbiosmode[i][j] == NULL ) { |
| 534 | SDL_OutOfMemory(); |
| 535 | return(-1); |
| 536 | } |
| 537 | SDL_memset(SDL_xbiosmode[i][j], 0, sizeof(xbiosmode_t)); |
| 538 | } |
| 539 | SDL_xbiosmode[i][j] = NULL; |
| 540 | |
| 541 | SDL_modelist[i] = (SDL_Rect **) |
| 542 | SDL_malloc((SDL_nummodes[i]+1)*sizeof(SDL_Rect *)); |
| 543 | if ( SDL_modelist[i] == NULL ) { |
| 544 | SDL_OutOfMemory(); |
| 545 | return(-1); |
| 546 | } |
| 547 | for ( j=0; j<SDL_nummodes[i]; ++j ) { |
| 548 | SDL_modelist[i][j]=(SDL_Rect *)SDL_malloc(sizeof(SDL_Rect)); |
| 549 | if ( SDL_modelist[i][j] == NULL ) { |
| 550 | SDL_OutOfMemory(); |
| 551 | return(-1); |
| 552 | } |
| 553 | SDL_memset(SDL_modelist[i][j], 0, sizeof(SDL_Rect)); |
| 554 | } |
| 555 | SDL_modelist[i][j] = NULL; |
| 556 | } |
| 557 | |
| 558 | /* Now fill the mode list */ |
| 559 | switch (XBIOS_cvdo >>16) { |
| 560 | case VDO_ST: |
| 561 | case VDO_STE: |
| 562 | XBIOS_ListSTModes(this, 1); |
| 563 | break; |
| 564 | case VDO_TT: |
| 565 | XBIOS_ListTTModes(this, 1); |
| 566 | break; |
| 567 | case VDO_F30: |
| 568 | /* ScreenBlaster 3 ? */ |
| 569 | if (Getcookie(C_SCPN, &cookie_scpn) == C_FOUND) { |
| 570 | SDL_XBIOS_ListSB3Modes(this, 1, (scpn_cookie_t *)cookie_scpn); |
| 571 | } else |
| 572 | /* Centscreen ? */ |
| 573 | if (Getcookie(C_CNTS, &cookie_cnts) == C_FOUND) { |
| 574 | XBIOS_oldvmode = SDL_XBIOS_ListCentscreenModes(this, 1); |
| 575 | XBIOS_centscreen = SDL_TRUE; |
| 576 | } else |
| 577 | /* Standard, with or without Blowup */ |
| 578 | { |
| 579 | switch (VgetMonitor()) |
| 580 | { |
| 581 | case MONITOR_RGB: |
| 582 | case MONITOR_TV: |
| 583 | XBIOS_ListFalconRgbModes(this, 1); |
| 584 | break; |
| 585 | case MONITOR_VGA: |
| 586 | XBIOS_ListFalconVgaModes(this, 1); |
| 587 | break; |
| 588 | } |
| 589 | |
| 590 | if (Getcookie(C_BLOW, &cookie_blow) == C_FOUND) { |
| 591 | SDL_XBIOS_ListBlowupModes(this, 1, (blow_cookie_t *)cookie_blow); |
| 592 | } |
| 593 | } |
| 594 | break; |
| 595 | case VDO_MILAN: |
| 596 | SDL_XBIOS_ListMilanModes(this, 1); |
| 597 | break; |
| 598 | } |
| 599 | |
| 600 | XBIOS_screens[0]=NULL; |
| 601 | XBIOS_screens[1]=NULL; |
| 602 | XBIOS_shadowscreen=NULL; |
| 603 | |
| 604 | /* Update hardware info */ |
| 605 | this->info.hw_available = 1; |
| 606 | this->info.video_mem = (Uint32) Atari_SysMalloc(-1L, MX_STRAM); |
| 607 | |
| 608 | /* Init chunky to planar routine */ |
| 609 | SDL_Atari_C2pConvert = SDL_Atari_C2pConvert8; |
| 610 | |
| 611 | #if SDL_VIDEO_OPENGL |
| 612 | SDL_AtariGL_InitPointers(this); |
| 613 | #endif |
| 614 | |
| 615 | /* Disable screensavers */ |
| 616 | if (SDL_XBIOS_TveillePresent(this)) { |
| 617 | SDL_XBIOS_TveilleDisable(this); |
| 618 | } |
| 619 | |
| 620 | /* We're done! */ |
| 621 | return(0); |
| 622 | } |
| 623 | |
| 624 | static SDL_Rect **XBIOS_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags) |
| 625 | { |
| 626 | return(SDL_modelist[((format->BitsPerPixel+7)/8)-1]); |
| 627 | } |
| 628 | |
| 629 | static void XBIOS_FreeBuffers(_THIS) |
| 630 | { |
| 631 | int i; |
| 632 | |
| 633 | for (i=0;i<2;i++) { |
| 634 | if (XBIOS_screensmem[i]!=NULL) { |
| 635 | if ((XBIOS_cvdo>>16) == VDO_MILAN) { |
| 636 | if (i==1) { |
| 637 | VsetScreen(-1, -1, MI_MAGIC, CMD_FREEPAGE); |
| 638 | } |
| 639 | } else { |
| 640 | Mfree(XBIOS_screensmem[i]); |
| 641 | } |
| 642 | XBIOS_screensmem[i]=NULL; |
| 643 | } |
| 644 | } |
| 645 | |
| 646 | if (XBIOS_shadowscreen!=NULL) { |
| 647 | Mfree(XBIOS_shadowscreen); |
| 648 | XBIOS_shadowscreen=NULL; |
| 649 | } |
| 650 | } |
| 651 | |
| 652 | static SDL_Surface *XBIOS_SetVideoMode(_THIS, SDL_Surface *current, |
| 653 | int width, int height, int bpp, Uint32 flags) |
| 654 | { |
| 655 | int mode, new_depth; |
| 656 | int i, num_buffers; |
| 657 | xbiosmode_t *new_video_mode; |
| 658 | Uint32 new_screen_size; |
| 659 | Uint32 modeflags; |
| 660 | |
| 661 | /* Free current buffers */ |
| 662 | XBIOS_FreeBuffers(this); |
| 663 | |
| 664 | /* Try to set the requested linear video mode */ |
| 665 | bpp = (bpp+7)/8-1; |
| 666 | for ( mode=0; SDL_modelist[bpp][mode]; ++mode ) { |
| 667 | if ( (SDL_modelist[bpp][mode]->w == width) && |
| 668 | (SDL_modelist[bpp][mode]->h == height) ) { |
| 669 | break; |
| 670 | } |
| 671 | } |
| 672 | if ( SDL_modelist[bpp][mode] == NULL ) { |
| 673 | SDL_SetError("Couldn't find requested mode in list"); |
| 674 | return(NULL); |
| 675 | } |
| 676 | new_video_mode = SDL_xbiosmode[bpp][mode]; |
| 677 | |
| 678 | modeflags = SDL_FULLSCREEN | SDL_PREALLOC; |
| 679 | |
| 680 | /* Allocate needed buffers: simple/double buffer and shadow surface */ |
| 681 | new_depth = new_video_mode->depth; |
| 682 | if (new_depth == 4) { |
| 683 | SDL_Atari_C2pConvert = SDL_Atari_C2pConvert4; |
| 684 | new_depth=8; |
| 685 | modeflags |= SDL_SWSURFACE|SDL_HWPALETTE; |
| 686 | } else if (new_depth == 8) { |
| 687 | SDL_Atari_C2pConvert = SDL_Atari_C2pConvert8; |
| 688 | modeflags |= SDL_SWSURFACE|SDL_HWPALETTE; |
| 689 | } else { |
| 690 | modeflags |= SDL_HWSURFACE; |
| 691 | } |
| 692 | |
| 693 | new_screen_size = width * height * ((new_depth)>>3); |
| 694 | new_screen_size += 256; /* To align on a 256 byte adress */ |
| 695 | |
| 696 | if (new_video_mode->flags & XBIOSMODE_C2P) { |
| 697 | XBIOS_shadowscreen = Atari_SysMalloc(new_screen_size, MX_PREFTTRAM); |
| 698 | |
| 699 | if (XBIOS_shadowscreen == NULL) { |
| 700 | SDL_SetError("Can not allocate %d KB for shadow buffer", new_screen_size>>10); |
| 701 | return (NULL); |
| 702 | } |
| 703 | SDL_memset(XBIOS_shadowscreen, 0, new_screen_size); |
| 704 | } |
| 705 | |
| 706 | /* Output buffer needs to be twice in size for the software double-line mode */ |
| 707 | if (new_video_mode->flags & XBIOSMODE_DOUBLELINE) { |
| 708 | new_screen_size <<= 1; |
| 709 | } |
| 710 | |
| 711 | /* Double buffer ? */ |
| 712 | num_buffers = 1; |
| 713 | |
| 714 | #if SDL_VIDEO_OPENGL |
| 715 | if (flags & SDL_OPENGL) { |
| 716 | if (this->gl_config.double_buffer) { |
| 717 | flags |= SDL_DOUBLEBUF; |
| 718 | } |
| 719 | } |
| 720 | #endif |
| 721 | if ((flags & SDL_DOUBLEBUF) && ((XBIOS_cvdo>>16) != VDO_MILAN)) { |
| 722 | num_buffers = 2; |
| 723 | modeflags |= SDL_DOUBLEBUF; |
| 724 | } |
| 725 | |
| 726 | /* Allocate buffers */ |
| 727 | for (i=0; i<num_buffers; i++) { |
| 728 | if ((XBIOS_cvdo>>16) == VDO_MILAN) { |
| 729 | if (i==0) { |
| 730 | XBIOS_screensmem[i] = XBIOS_oldvbase; |
| 731 | } else { |
| 732 | VsetScreen(-1, &XBIOS_screensmem[i], MI_MAGIC, CMD_ALLOCPAGE); |
| 733 | } |
| 734 | } else { |
| 735 | XBIOS_screensmem[i] = Atari_SysMalloc(new_screen_size, MX_STRAM); |
| 736 | } |
| 737 | |
| 738 | if (XBIOS_screensmem[i]==NULL) { |
| 739 | XBIOS_FreeBuffers(this); |
| 740 | SDL_SetError("Can not allocate %d KB for buffer %d", new_screen_size>>10, i); |
| 741 | return (NULL); |
| 742 | } |
| 743 | SDL_memset(XBIOS_screensmem[i], 0, new_screen_size); |
| 744 | |
| 745 | XBIOS_screens[i]=(void *) (( (long) XBIOS_screensmem[i]+256) & 0xFFFFFF00UL); |
| 746 | } |
| 747 | |
| 748 | /* Allocate the new pixel format for the screen */ |
| 749 | if ( ! SDL_ReallocFormat(current, new_depth, 0, 0, 0, 0) ) { |
| 750 | XBIOS_FreeBuffers(this); |
| 751 | SDL_SetError("Couldn't allocate new pixel format for requested mode"); |
| 752 | return(NULL); |
| 753 | } |
| 754 | |
| 755 | XBIOS_current = new_video_mode; |
| 756 | current->w = width; |
| 757 | current->h = height; |
| 758 | current->pitch = (width * new_depth)>>3; |
| 759 | |
| 760 | /* this is for C2P conversion */ |
| 761 | XBIOS_pitch = (new_video_mode->width * new_video_mode->depth)>>3; |
| 762 | |
| 763 | if (new_video_mode->flags & XBIOSMODE_C2P) |
| 764 | current->pixels = XBIOS_shadowscreen; |
| 765 | else |
| 766 | current->pixels = XBIOS_screens[0]; |
| 767 | |
| 768 | XBIOS_fbnum = 0; |
| 769 | |
| 770 | #if SDL_VIDEO_OPENGL |
| 771 | if (flags & SDL_OPENGL) { |
| 772 | if (!SDL_AtariGL_Init(this, current)) { |
| 773 | XBIOS_FreeBuffers(this); |
| 774 | SDL_SetError("Can not create OpenGL context"); |
| 775 | return NULL; |
| 776 | } |
| 777 | |
| 778 | modeflags |= SDL_OPENGL; |
| 779 | } |
| 780 | #endif |
| 781 | |
| 782 | current->flags = modeflags; |
| 783 | |
| 784 | #ifndef DEBUG_VIDEO_XBIOS |
| 785 | /* Now set the video mode */ |
| 786 | if ((XBIOS_cvdo>>16) == VDO_MILAN) { |
| 787 | VsetScreen(-1, XBIOS_screens[0], MI_MAGIC, CMD_SETADR); |
| 788 | } else { |
| 789 | Setscreen(-1,XBIOS_screens[0],-1); |
| 790 | } |
| 791 | |
| 792 | switch(XBIOS_cvdo >> 16) { |
| 793 | case VDO_ST: |
| 794 | Setscreen(-1,-1,new_video_mode->number); |
| 795 | |
| 796 | /* Reset palette */ |
| 797 | for (i=0;i<16;i++) { |
| 798 | TT_palette[i]= ((i>>1)<<8) | (((i*8)/17)<<4) | (i>>1); |
| 799 | } |
| 800 | Setpalette(TT_palette); |
| 801 | break; |
| 802 | case VDO_STE: |
| 803 | Setscreen(-1,-1,new_video_mode->number); |
| 804 | |
| 805 | /* Reset palette */ |
| 806 | for (i=0;i<16;i++) |
| 807 | { |
| 808 | int c; |
| 809 | |
| 810 | c=((i&1)<<3)|((i>>1)&7); |
| 811 | TT_palette[i]=(c<<8)|(c<<4)|c; |
| 812 | } |
| 813 | Setpalette(TT_palette); |
| 814 | break; |
| 815 | case VDO_TT: |
| 816 | EsetShift(new_video_mode->number); |
| 817 | break; |
| 818 | case VDO_F30: |
| 819 | if (XBIOS_centscreen) { |
| 820 | SDL_XBIOS_CentscreenSetmode(this, width, height, new_depth); |
| 821 | } else { |
| 822 | VsetMode(new_video_mode->number); |
| 823 | } |
| 824 | |
| 825 | /* Set hardware palette to black in True Colour */ |
| 826 | if (new_depth > 8) { |
| 827 | SDL_memset(F30_palette, 0, sizeof(F30_palette)); |
| 828 | VsetRGB(0,256,F30_palette); |
| 829 | } |
| 830 | break; |
| 831 | case VDO_MILAN: |
| 832 | VsetScreen(-1, new_video_mode->number, MI_MAGIC, CMD_SETMODE); |
| 833 | |
| 834 | /* Set hardware palette to black in True Colour */ |
| 835 | if (new_depth > 8) { |
| 836 | SDL_memset(F30_palette, 0, sizeof(F30_palette)); |
| 837 | VsetRGB(0,256,F30_palette); |
| 838 | } |
| 839 | break; |
| 840 | } |
| 841 | |
| 842 | Vsync(); |
| 843 | #endif |
| 844 | |
| 845 | this->UpdateRects = XBIOS_UpdateRects; |
| 846 | |
| 847 | return (current); |
| 848 | } |
| 849 | |
| 850 | /* We don't actually allow hardware surfaces other than the main one */ |
| 851 | static int XBIOS_AllocHWSurface(_THIS, SDL_Surface *surface) |
| 852 | { |
| 853 | return(-1); |
| 854 | } |
| 855 | |
| 856 | static void XBIOS_FreeHWSurface(_THIS, SDL_Surface *surface) |
| 857 | { |
| 858 | return; |
| 859 | } |
| 860 | |
| 861 | static int XBIOS_LockHWSurface(_THIS, SDL_Surface *surface) |
| 862 | { |
| 863 | return(0); |
| 864 | } |
| 865 | |
| 866 | static void XBIOS_UnlockHWSurface(_THIS, SDL_Surface *surface) |
| 867 | { |
| 868 | return; |
| 869 | } |
| 870 | |
| 871 | static void XBIOS_UpdateRects(_THIS, int numrects, SDL_Rect *rects) |
| 872 | { |
| 873 | SDL_Surface *surface; |
| 874 | |
| 875 | surface = this->screen; |
| 876 | |
| 877 | if (XBIOS_current->flags & XBIOSMODE_C2P) { |
| 878 | int i; |
| 879 | int doubleline = (XBIOS_current->flags & XBIOSMODE_DOUBLELINE ? 1 : 0); |
| 880 | |
| 881 | for (i=0;i<numrects;i++) { |
| 882 | void *source,*destination; |
| 883 | int x1,x2; |
| 884 | |
| 885 | x1 = rects[i].x & ~15; |
| 886 | x2 = rects[i].x+rects[i].w; |
| 887 | if (x2 & 15) { |
| 888 | x2 = (x2 | 15) +1; |
| 889 | } |
| 890 | |
| 891 | source = surface->pixels; |
| 892 | source += surface->pitch * rects[i].y; |
| 893 | source += x1; |
| 894 | |
| 895 | destination = XBIOS_screens[XBIOS_fbnum]; |
| 896 | destination += XBIOS_pitch * rects[i].y; |
| 897 | destination += x1; |
| 898 | |
| 899 | /* Convert chunky to planar screen */ |
| 900 | SDL_Atari_C2pConvert( |
| 901 | source, |
| 902 | destination, |
| 903 | x2-x1, |
| 904 | rects[i].h, |
| 905 | doubleline, |
| 906 | surface->pitch, |
| 907 | XBIOS_pitch |
| 908 | ); |
| 909 | } |
| 910 | } |
| 911 | |
| 912 | #ifndef DEBUG_VIDEO_XBIOS |
| 913 | if ((XBIOS_cvdo>>16) == VDO_MILAN) { |
| 914 | VsetScreen(-1, XBIOS_screens[XBIOS_fbnum], MI_MAGIC, CMD_SETADR); |
| 915 | } else { |
| 916 | Setscreen(-1,XBIOS_screens[XBIOS_fbnum],-1); |
| 917 | } |
| 918 | |
| 919 | Vsync(); |
| 920 | #endif |
| 921 | |
| 922 | if ((surface->flags & SDL_DOUBLEBUF) == SDL_DOUBLEBUF) { |
| 923 | XBIOS_fbnum ^= 1; |
| 924 | if ((XBIOS_current->flags & XBIOSMODE_C2P) == 0) { |
| 925 | surface->pixels=XBIOS_screens[XBIOS_fbnum]; |
| 926 | } |
| 927 | } |
| 928 | } |
| 929 | |
| 930 | static int XBIOS_FlipHWSurface(_THIS, SDL_Surface *surface) |
| 931 | { |
| 932 | if (XBIOS_current->flags & XBIOSMODE_C2P) { |
| 933 | void *destscr; |
| 934 | int destx; |
| 935 | int doubleline = (XBIOS_current->flags & XBIOSMODE_DOUBLELINE ? 1 : 0); |
| 936 | |
| 937 | /* Center on destination screen */ |
| 938 | destscr = XBIOS_screens[XBIOS_fbnum]; |
| 939 | destscr += XBIOS_pitch * ((XBIOS_current->height - surface->h) >> 1); |
| 940 | destx = (XBIOS_current->width - surface->w) >> 1; |
| 941 | destx &= ~15; |
| 942 | destscr += destx; |
| 943 | |
| 944 | /* Convert chunky to planar screen */ |
| 945 | SDL_Atari_C2pConvert( |
| 946 | surface->pixels, |
| 947 | destscr, |
| 948 | surface->w, |
| 949 | surface->h, |
| 950 | doubleline, |
| 951 | surface->pitch, |
| 952 | XBIOS_pitch |
| 953 | ); |
| 954 | } |
| 955 | |
| 956 | #ifndef DEBUG_VIDEO_XBIOS |
| 957 | if ((XBIOS_cvdo>>16) == VDO_MILAN) { |
| 958 | VsetScreen(-1, XBIOS_screens[XBIOS_fbnum], MI_MAGIC, CMD_SETADR); |
| 959 | } else { |
| 960 | Setscreen(-1,XBIOS_screens[XBIOS_fbnum],-1); |
| 961 | } |
| 962 | |
| 963 | Vsync(); |
| 964 | #endif |
| 965 | |
| 966 | if ((surface->flags & SDL_DOUBLEBUF) == SDL_DOUBLEBUF) { |
| 967 | XBIOS_fbnum ^= 1; |
| 968 | if ((XBIOS_current->flags & XBIOSMODE_C2P) == 0) { |
| 969 | surface->pixels=XBIOS_screens[XBIOS_fbnum]; |
| 970 | } |
| 971 | } |
| 972 | |
| 973 | return(0); |
| 974 | } |
| 975 | |
| 976 | static int XBIOS_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors) |
| 977 | { |
| 978 | #ifndef DEBUG_VIDEO_XBIOS |
| 979 | int i; |
| 980 | int r,v,b; |
| 981 | |
| 982 | switch( XBIOS_cvdo >> 16) { |
| 983 | case VDO_ST: |
| 984 | case VDO_STE: |
| 985 | for (i=0;i<ncolors;i++) |
| 986 | { |
| 987 | r = colors[i].r; |
| 988 | v = colors[i].g; |
| 989 | b = colors[i].b; |
| 990 | |
| 991 | TT_palette[firstcolor+i]=((r*30)+(v*59)+(b*11))/100; |
| 992 | } |
| 993 | SDL_Atari_C2pConvert4_pal(TT_palette); /* convert the lighting */ |
| 994 | break; |
| 995 | case VDO_TT: |
| 996 | for(i = 0; i < ncolors; i++) |
| 997 | { |
| 998 | r = colors[i].r; |
| 999 | v = colors[i].g; |
| 1000 | b = colors[i].b; |
| 1001 | |
| 1002 | TT_palette[i]=((r>>4)<<8)|((v>>4)<<4)|(b>>4); |
| 1003 | } |
| 1004 | EsetPalette(firstcolor,ncolors,TT_palette); |
| 1005 | break; |
| 1006 | case VDO_F30: |
| 1007 | case VDO_MILAN: |
| 1008 | for(i = 0; i < ncolors; i++) |
| 1009 | { |
| 1010 | r = colors[i].r; |
| 1011 | v = colors[i].g; |
| 1012 | b = colors[i].b; |
| 1013 | |
| 1014 | F30_palette[i]=(r<<16)|(v<<8)|b; |
| 1015 | } |
| 1016 | VsetRGB(firstcolor,ncolors,F30_palette); |
| 1017 | break; |
| 1018 | } |
| 1019 | #endif |
| 1020 | |
| 1021 | return(1); |
| 1022 | } |
| 1023 | |
| 1024 | /* Note: If we are terminated, this could be called in the middle of |
| 1025 | another SDL video routine -- notably UpdateRects. |
| 1026 | */ |
| 1027 | static void XBIOS_VideoQuit(_THIS) |
| 1028 | { |
| 1029 | int i,j; |
| 1030 | |
| 1031 | Atari_ShutdownEvents(); |
| 1032 | |
| 1033 | /* Restore video mode and palette */ |
| 1034 | #ifndef DEBUG_VIDEO_XBIOS |
| 1035 | switch(XBIOS_cvdo >> 16) { |
| 1036 | case VDO_ST: |
| 1037 | case VDO_STE: |
| 1038 | Setscreen(-1,XBIOS_oldvbase,XBIOS_oldvmode); |
| 1039 | if (XBIOS_oldnumcol) { |
| 1040 | Setpalette(XBIOS_oldpalette); |
| 1041 | } |
| 1042 | break; |
| 1043 | case VDO_TT: |
| 1044 | Setscreen(-1,XBIOS_oldvbase,-1); |
| 1045 | EsetShift(XBIOS_oldvmode); |
| 1046 | if (XBIOS_oldnumcol) { |
| 1047 | EsetPalette(0, XBIOS_oldnumcol, XBIOS_oldpalette); |
| 1048 | } |
| 1049 | break; |
| 1050 | case VDO_F30: |
| 1051 | Setscreen(-1, XBIOS_oldvbase, -1); |
| 1052 | if (XBIOS_centscreen) { |
| 1053 | SDL_XBIOS_CentscreenRestore(this, XBIOS_oldvmode); |
| 1054 | } else { |
| 1055 | VsetMode(XBIOS_oldvmode); |
| 1056 | } |
| 1057 | if (XBIOS_oldnumcol) { |
| 1058 | VsetRGB(0, XBIOS_oldnumcol, XBIOS_oldpalette); |
| 1059 | } |
| 1060 | break; |
| 1061 | case VDO_MILAN: |
| 1062 | VsetScreen(-1, &XBIOS_oldvbase, MI_MAGIC, CMD_SETADR); |
| 1063 | VsetScreen(-1, &XBIOS_oldvmode, MI_MAGIC, CMD_SETMODE); |
| 1064 | if (XBIOS_oldnumcol) { |
| 1065 | VsetRGB(0, XBIOS_oldnumcol, XBIOS_oldpalette); |
| 1066 | } |
| 1067 | break; |
| 1068 | } |
| 1069 | Vsync(); |
| 1070 | #endif |
| 1071 | |
| 1072 | #if SDL_VIDEO_OPENGL |
| 1073 | if (gl_active) { |
| 1074 | SDL_AtariGL_Quit(this, SDL_TRUE); |
| 1075 | } |
| 1076 | #endif |
| 1077 | |
| 1078 | if (XBIOS_oldpalette) { |
| 1079 | SDL_free(XBIOS_oldpalette); |
| 1080 | XBIOS_oldpalette=NULL; |
| 1081 | } |
| 1082 | XBIOS_FreeBuffers(this); |
| 1083 | |
| 1084 | /* Free mode list */ |
| 1085 | for ( i=0; i<NUM_MODELISTS; ++i ) { |
| 1086 | if ( SDL_modelist[i] != NULL ) { |
| 1087 | for ( j=0; SDL_modelist[i][j]; ++j ) |
| 1088 | SDL_free(SDL_modelist[i][j]); |
| 1089 | SDL_free(SDL_modelist[i]); |
| 1090 | SDL_modelist[i] = NULL; |
| 1091 | } |
| 1092 | if ( SDL_xbiosmode[i] != NULL ) { |
| 1093 | for ( j=0; SDL_xbiosmode[i][j]; ++j ) |
| 1094 | SDL_free(SDL_xbiosmode[i][j]); |
| 1095 | SDL_free(SDL_xbiosmode[i]); |
| 1096 | SDL_xbiosmode[i] = NULL; |
| 1097 | } |
| 1098 | } |
| 1099 | |
| 1100 | this->screen->pixels = NULL; |
| 1101 | |
| 1102 | /* Restore screensavers */ |
| 1103 | if (SDL_XBIOS_TveillePresent(this)) { |
| 1104 | SDL_XBIOS_TveilleRestore(this); |
| 1105 | } |
| 1106 | } |
| 1107 | |
| 1108 | #if SDL_VIDEO_OPENGL |
| 1109 | |
| 1110 | static void XBIOS_GL_SwapBuffers(_THIS) |
| 1111 | { |
| 1112 | SDL_AtariGL_SwapBuffers(this); |
| 1113 | XBIOS_FlipHWSurface(this, this->screen); |
| 1114 | SDL_AtariGL_MakeCurrent(this); |
| 1115 | } |
| 1116 | |
| 1117 | #endif |