1 /* 2 SDL - Simple DirectMedia Layer 3 Copyright (C) 1997-2006 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 (at) libsdl.org 21 */ 22 #include "SDL_config.h" 23 24 #if defined(__APPLE__) && defined(__MACH__) 25 #include <Carbon/Carbon.h> 26 #if USE_QUICKTIME 27 #include <QuickTime/Movies.h> 28 #endif 29 #elif TARGET_API_MAC_CARBON && (UNIVERSAL_INTERFACES_VERSION > 0x0335) 30 #include <Carbon.h> 31 /* The fullscreen code requires the QuickTime framework, and the window 32 is still at the back on Mac OS X, which is where this code is needed. 33 */ 34 #if USE_QUICKTIME 35 #include <Movies.h> 36 #endif 37 #else 38 #include <Quickdraw.h> 39 #include <LowMem.h> 40 #include <Gestalt.h> 41 #include <Devices.h> 42 #include <DiskInit.h> 43 #include <QDOffscreen.h> 44 #endif 45 46 #include "SDL_video.h" 47 #include "SDL_syswm.h" 48 #include "../SDL_sysvideo.h" 49 #include "SDL_romvideo.h" 50 #include "../maccommon/SDL_macgl_c.h" 51 #include "../maccommon/SDL_macwm_c.h" 52 #include "../maccommon/SDL_macmouse_c.h" 53 #include "../maccommon/SDL_macevents_c.h" 54 55 /* Initialization/Query functions */ 56 static int ROM_VideoInit(_THIS, SDL_PixelFormat *vformat); 57 static SDL_Rect **ROM_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags); 58 static SDL_Surface *ROM_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags); 59 static int ROM_SetColors(_THIS, int firstcolor, int ncolors, 60 SDL_Color *colors); 61 static void ROM_VideoQuit(_THIS); 62 63 /* Hardware surface functions */ 64 static int ROM_AllocHWSurface(_THIS, SDL_Surface *surface); 65 static int ROM_LockHWSurface(_THIS, SDL_Surface *surface); 66 static void ROM_UnlockHWSurface(_THIS, SDL_Surface *surface); 67 static void ROM_FreeHWSurface(_THIS, SDL_Surface *surface); 68 69 #if !TARGET_API_MAC_CARBON /* This seems not to be available? -sts Aug 2000 */ 70 /* Saved state for the menu bar */ 71 static RgnHandle gSaveGrayRgn = nil; 72 static short gSaveMenuBar = 0; 73 static Boolean gSaveCSVis = true; 74 75 #if powerc 76 /* Mixed mode glue to activate the 68K emulator and twiddle a register */ 77 #define ONEWORDSTUB(p1) \ 78 { 0x41FA, 0x0010, 0x209F, (p1), 0x41FA, \ 79 0x0008, 0x2F10, 0x4E75, 0x0000, 0x0000, 0x0000 } 80 81 #define TWOWORDSTUB(p1,p2) \ 82 { 0x41FA, 0x0012, 0x209F, (p1), (p2), 0x41FA, \ 83 0x0008, 0x2F10, 0x4E75, 0x0000, 0x0000, 0x0000 } 84 85 #define THREEWORDSTUB(p1,p2,p3) \ 86 { 0x41FA, 0x0014, 0x209F, (p1), (p2), (p3), 0x41FA, \ 87 0x0008, 0x2F10, 0x4E75, 0x0000, 0x0000, 0x0000 } 88 89 /* ControlStrip inline glue for PowerPC */ 90 static pascal Boolean SBIsControlStripVisible(void) 91 { 92 static short procData[] = TWOWORDSTUB(0x7000, 0xAAF2); 93 ProcInfoType procInfo = kD0DispatchedPascalStackBased 94 | RESULT_SIZE(SIZE_CODE(sizeof(Boolean))) 95 | DISPATCHED_STACK_ROUTINE_SELECTOR_SIZE(kFourByteCode); 96 97 return((Boolean) CallUniversalProc((UniversalProcPtr) procData, procInfo, 0x00)); 98 } 99 100 static pascal void SBShowHideControlStrip(Boolean showIt) 101 { 102 static short procData[] = THREEWORDSTUB(0x303C, 0x0101, 0xAAF2); 103 ProcInfoType procInfo = kD0DispatchedPascalStackBased 104 | DISPATCHED_STACK_ROUTINE_SELECTOR_SIZE(kFourByteCode) 105 | DISPATCHED_STACK_ROUTINE_PARAMETER(1, SIZE_CODE(sizeof(Boolean))); 106 107 CallUniversalProc((UniversalProcPtr) procData, procInfo, 0x01, showIt); 108 } 109 #endif /* powerc */ 110 #endif /* !TARGET_API_MAC_CARBON */ 111 112 /* Macintosh toolbox driver bootstrap functions */ 113 114 static int ROM_Available(void) 115 { 116 return(1); 117 } 118 119 static void ROM_DeleteDevice(SDL_VideoDevice *device) 120 { 121 SDL_free(device->hidden); 122 SDL_free(device); 123 } 124 125 static SDL_VideoDevice *ROM_CreateDevice(int devindex) 126 { 127 SDL_VideoDevice *device; 128 129 /* Initialize all variables that we clean on shutdown */ 130 device = (SDL_VideoDevice *)SDL_malloc(sizeof(SDL_VideoDevice)); 131 if ( device ) { 132 SDL_memset(device, 0, (sizeof *device)); 133 device->hidden = (struct SDL_PrivateVideoData *) 134 SDL_malloc((sizeof *device->hidden)); 135 } 136 if ( (device == NULL) || (device->hidden == NULL) ) { 137 SDL_OutOfMemory(); 138 if ( device ) { 139 SDL_free(device); 140 } 141 return(0); 142 } 143 SDL_memset(device->hidden, 0, (sizeof *device->hidden)); 144 145 /* Set the function pointers */ 146 device->VideoInit = ROM_VideoInit; 147 device->ListModes = ROM_ListModes; 148 device->SetVideoMode = ROM_SetVideoMode; 149 device->SetColors = ROM_SetColors; 150 device->UpdateRects = NULL; 151 device->VideoQuit = ROM_VideoQuit; 152 device->AllocHWSurface = ROM_AllocHWSurface; 153 device->CheckHWBlit = NULL; 154 device->FillHWRect = NULL; 155 device->SetHWColorKey = NULL; 156 device->SetHWAlpha = NULL; 157 device->LockHWSurface = ROM_LockHWSurface; 158 device->UnlockHWSurface = ROM_UnlockHWSurface; 159 device->FlipHWSurface = NULL; 160 device->FreeHWSurface = ROM_FreeHWSurface; 161 #if SDL_MACCLASSIC_GAMMA_SUPPORT 162 device->SetGammaRamp = Mac_SetGammaRamp; 163 device->GetGammaRamp = Mac_GetGammaRamp; 164 #endif 165 #if SDL_VIDEO_OPENGL 166 device->GL_MakeCurrent = Mac_GL_MakeCurrent; 167 device->GL_SwapBuffers = Mac_GL_SwapBuffers; 168 device->GL_LoadLibrary = Mac_GL_LoadLibrary; 169 device->GL_GetProcAddress = Mac_GL_GetProcAddress; 170 #endif /* Have OpenGL */ 171 device->SetCaption = Mac_SetCaption; 172 device->SetIcon = NULL; 173 device->IconifyWindow = NULL; 174 device->GrabInput = NULL; 175 device->GetWMInfo = NULL; 176 device->FreeWMCursor = Mac_FreeWMCursor; 177 device->CreateWMCursor = Mac_CreateWMCursor; 178 device->ShowWMCursor = Mac_ShowWMCursor; 179 device->WarpWMCursor = Mac_WarpWMCursor; 180 device->InitOSKeymap = Mac_InitOSKeymap; 181 device->PumpEvents = Mac_PumpEvents; 182 183 device->free = ROM_DeleteDevice; 184 185 return device; 186 } 187 188 VideoBootStrap TOOLBOX_bootstrap = { 189 "toolbox", "MacOS ROM Toolbox", 190 ROM_Available, ROM_CreateDevice 191 }; 192 193 194 static int ROM_VideoInit(_THIS, SDL_PixelFormat *vformat) 195 { 196 long info; 197 198 /* Check out some things about the system */ 199 Gestalt(gestaltQuickdrawVersion, &info); 200 if ( info == gestaltOriginalQD ) { 201 SDL_SetError("Color Quickdraw not available"); 202 return(-1); 203 } 204 205 /* Start ROMintosh events */ 206 Mac_InitEvents(this); 207 208 /* Get a handle to the main monitor */ 209 SDL_Display = GetMainDevice(); 210 211 /* Determine the current screen size */ 212 this->info.current_w = (**SDL_Display).gdRect.right; 213 this->info.current_h = (**SDL_Display).gdRect.bottom; 214 215 /* Determine pixel format */ 216 vformat->BitsPerPixel = (**(**SDL_Display).gdPMap).pixelSize; 217 switch (vformat->BitsPerPixel) { 218 case 16: /* 5-5-5 RGB */ 219 vformat->Rmask = 0x00007c00; 220 vformat->Gmask = 0x000003e0; 221 vformat->Bmask = 0x0000001f; 222 break; 223 default: 224 break; 225 } 226 227 /* Create our palette */ 228 SDL_CTab = (CTabHandle)NewHandle(sizeof(ColorSpec)*256 + 8); 229 if ( SDL_CTab == nil ) { 230 SDL_OutOfMemory(); 231 return(-1); 232 } 233 (**SDL_CTab).ctSeed = GetCTSeed(); 234 (**SDL_CTab).ctFlags = 0; 235 (**SDL_CTab).ctSize = 255; 236 CTabChanged(SDL_CTab); 237 SDL_CPal = NewPalette(256, SDL_CTab, pmExplicit+pmTolerant, 0); 238 239 /* Get a list of available fullscreen modes */ 240 SDL_modelist = (SDL_Rect **)SDL_malloc((1+1)*sizeof(SDL_Rect *)); 241 if ( SDL_modelist ) { 242 SDL_modelist[0] = (SDL_Rect *)SDL_malloc(sizeof(SDL_Rect)); 243 if ( SDL_modelist[0] ) { 244 SDL_modelist[0]->x = 0; 245 SDL_modelist[0]->y = 0; 246 SDL_modelist[0]->w = (**SDL_Display).gdRect.right; 247 SDL_modelist[0]->h = (**SDL_Display).gdRect.bottom; 248 } 249 SDL_modelist[1] = NULL; 250 } 251 252 /* Fill in some window manager capabilities */ 253 this->info.wm_available = 1; 254 255 /* We're done! */ 256 return(0); 257 } 258 259 static SDL_Rect **ROM_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags) 260 { 261 if ( this->screen->format->BitsPerPixel == format->BitsPerPixel ) { 262 if ( (flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) { 263 return(SDL_modelist); 264 } else { 265 return((SDL_Rect **)-1); 266 } 267 } else { 268 return((SDL_Rect **)0); 269 } 270 } 271 272 static void ROM_HideMenuBar(_THIS) 273 { 274 #if !TARGET_API_MAC_CARBON /* This seems not to be available? -sts Aug 2000 */ 275 RgnHandle drawRgn = nil; 276 RgnHandle tempRgn = nil; 277 RgnHandle grayRgn = nil; 278 WindowPtr window = nil; 279 GDHandle gd = nil; 280 GrafPtr savePort; 281 long response; 282 short height; 283 EventRecord theEvent; 284 285 height = GetMBarHeight(); 286 287 if ( height > 0 ) { 288 tempRgn = NewRgn(); 289 drawRgn = NewRgn(); 290 gSaveGrayRgn = NewRgn(); 291 if ( ! tempRgn || ! drawRgn || ! gSaveGrayRgn ) { 292 goto CLEANUP; 293 } 294 grayRgn = GetGrayRgn(); /* No need to check for this */ 295 296 GetPort(&savePort); 297 298 /* Hide the control strip if it's present, and record its 299 previous position into the dirty region for redrawing. 300 This isn't necessary, but may help catch stray bits. */ 301 CopyRgn(grayRgn, tempRgn); 302 if (!Gestalt(gestaltControlStripAttr, &response) && 303 (response & (1L << gestaltControlStripExists))) { 304 gSaveCSVis = SBIsControlStripVisible(); 305 if (gSaveCSVis) 306 SBShowHideControlStrip(false); 307 } 308 DiffRgn(grayRgn, tempRgn, drawRgn); 309 310 /* Save the gray region once the control strip is hidden*/ 311 CopyRgn(grayRgn, gSaveGrayRgn); 312 313 /* Change the menu height in lowmem */ 314 gSaveMenuBar = height; 315 LMSetMBarHeight(0); 316 317 /* Walk the monitor rectangles, and combine any pieces that 318 aren't in GrayRgn: menubar, round corners, fake floaters. */ 319 for(gd = GetDeviceList(); gd; gd = GetNextDevice(gd)) 320 { 321 if (!TestDeviceAttribute(gd, screenDevice)) continue; 322 if (!TestDeviceAttribute(gd, screenActive)) continue; 323 324 RectRgn(tempRgn, &(*gd)->gdRect); /* Get the whole screen */ 325 DiffRgn(tempRgn, grayRgn, tempRgn); /* Subtract out GrayRgn */ 326 UnionRgn(tempRgn, drawRgn, drawRgn);/* Combine all the bits */ 327 } 328 329 /* Add the bits into the GrayRgn */ 330 UnionRgn(drawRgn, grayRgn, grayRgn); 331 332 /* Modify the vis regions of exposed windows */ 333 window = (FrontWindow()) ? FrontWindow() : (WindowPtr) -1L; 334 PaintBehind(window, drawRgn); 335 CalcVisBehind(window, drawRgn); 336 337 SetPort(savePort); 338 339 /* Yield time so that floaters can catch up */ 340 EventAvail(0, &theEvent); 341 EventAvail(0, &theEvent); 342 EventAvail(0, &theEvent); 343 EventAvail(0, &theEvent); 344 } 345 346 CLEANUP: 347 348 if (tempRgn) DisposeRgn(tempRgn); 349 if (drawRgn) DisposeRgn(drawRgn); 350 #endif /* !TARGET_API_MAC_CARBON */ 351 } 352 353 static void ROM_ShowMenuBar(_THIS) 354 { 355 #if !TARGET_API_MAC_CARBON /* This seems not to be available? -sts Aug 2000 */ 356 RgnHandle drawRgn = nil; 357 RgnHandle menuRgn = nil; 358 RgnHandle tempRgn = nil; 359 RgnHandle grayRgn = nil; 360 WindowPtr window = nil; 361 GrafPtr wMgrPort; 362 GrafPtr savePort; 363 Rect menuRect; 364 long response; 365 short height; 366 EventRecord theEvent; 367 RGBColor saveRGB; 368 RGBColor blackRGB = { 0, 0, 0 }; 369 370 height = GetMBarHeight(); 371 372 if ((height <= 0) && (gSaveMenuBar > 0)) { 373 drawRgn = NewRgn(); 374 menuRgn = NewRgn(); 375 tempRgn = NewRgn(); 376 if ( ! tempRgn || ! drawRgn || ! gSaveGrayRgn ) { 377 goto CLEANUP; 378 } 379 grayRgn = GetGrayRgn(); /* No need to check for this */ 380 381 GetPort(&savePort); 382 GetWMgrPort(&wMgrPort); 383 384 /* Set the height properly */ 385 LMSetMBarHeight(gSaveMenuBar); 386 387 /* Restore the old GrayRgn: rounded corners, etc, but not 388 the menubar -- subtract that out first! */ 389 if (gSaveGrayRgn) 390 { 391 menuRect = (*GetMainDevice())->gdRect; 392 menuRect.bottom = menuRect.top + gSaveMenuBar; 393 RectRgn(menuRgn, &menuRect); 394 395 DiffRgn(grayRgn, gSaveGrayRgn, drawRgn); /* What do we inval? */ 396 DiffRgn(drawRgn, menuRgn, drawRgn); /* Clip out the menu */ 397 398 /* Now redraw the corners and other bits black */ 399 SetPort(wMgrPort); 400 GetClip(tempRgn); 401 SetClip(drawRgn); 402 GetForeColor(&saveRGB); 403 RGBForeColor(&blackRGB); 404 PaintRgn(drawRgn); 405 RGBForeColor(&saveRGB); 406 SetClip(tempRgn); 407 SetPort(savePort); 408 409 UnionRgn(drawRgn, menuRgn, drawRgn); /* Put back the menu */ 410 411 /* Now actually restore the GrayRgn */ 412 CopyRgn(gSaveGrayRgn, grayRgn); 413 DisposeRgn(gSaveGrayRgn); 414 gSaveGrayRgn = nil; 415 } 416 417 /* Modify the vis regions of exposed windows and draw menubar */ 418 window = (FrontWindow()) ? FrontWindow() : (WindowPtr) -1L; 419 PaintBehind(window, drawRgn); 420 CalcVisBehind(window, drawRgn); 421 DrawMenuBar(); 422 423 SetPort(savePort); 424 gSaveMenuBar = 0; 425 426 /* Now show the control strip if it's present */ 427 if (!Gestalt(gestaltControlStripAttr, &response) && 428 (response & (1L << gestaltControlStripExists))) 429 { 430 if (gSaveCSVis && !SBIsControlStripVisible()) 431 SBShowHideControlStrip(true); 432 gSaveCSVis = true; 433 } 434 435 /* Yield time so that floaters can catch up */ 436 EventAvail(0, &theEvent); 437 EventAvail(0, &theEvent); 438 EventAvail(0, &theEvent); 439 EventAvail(0, &theEvent); 440 } 441 442 CLEANUP: 443 444 if (drawRgn) DisposeRgn(drawRgn); 445 if (menuRgn) DisposeRgn(menuRgn); 446 if (tempRgn) DisposeRgn(tempRgn); 447 #endif /* !TARGET_API_MAC_CARBON */ 448 } 449 450 /* Various screen update functions available */ 451 static void ROM_DirectUpdate(_THIS, int numrects, SDL_Rect *rects); 452 static void ROM_WindowUpdate(_THIS, int numrects, SDL_Rect *rects); 453 454 static void ROM_UnsetVideoMode(_THIS, SDL_Surface *current) 455 { 456 /* Free the current window, if any */ 457 if ( SDL_Window != nil ) { 458 GWorldPtr memworld; 459 460 /* Handle OpenGL support */ 461 Mac_GL_Quit(this); 462 463 memworld = (GWorldPtr)GetWRefCon(SDL_Window); 464 if ( memworld != nil ) { 465 UnlockPixels(GetGWorldPixMap(memworld)); 466 DisposeGWorld(memworld); 467 } 468 if ( (current->flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) { 469 #if USE_QUICKTIME 470 EndFullScreen(fullscreen_ctx, nil); 471 SDL_Window = nil; 472 #else 473 ROM_ShowMenuBar(this); 474 #endif 475 } 476 } 477 current->pixels = NULL; 478 current->flags &= ~(SDL_HWSURFACE|SDL_FULLSCREEN); 479 } 480 481 static SDL_Surface *ROM_SetVideoMode(_THIS, SDL_Surface *current, 482 int width, int height, int bpp, Uint32 flags) 483 { 484 Rect wrect, orect; 485 #if TARGET_API_MAC_CARBON 486 Rect tmprect; 487 #endif 488 489 /* Free any previous video mode */ 490 ROM_UnsetVideoMode(this, current); 491 492 /* Create the ROM window and SDL video surface */ 493 current->flags = 0; /* Clear flags */ 494 current->w = width; 495 current->h = height; 496 SetRect(&wrect, 0, 0, width, height); 497 if ( SDL_Window ) { 498 /* If we recreate the window, don't move it around */ 499 #if TARGET_API_MAC_CARBON 500 orect = *GetWindowPortBounds(SDL_Window, &tmprect); 501 #else 502 orect = SDL_Window->portRect; 503 #endif 504 OffsetRect(&wrect, orect.left, orect.top); 505 } else { 506 /* Center the window the first time we show it */ 507 OffsetRect(&wrect, 508 (SDL_modelist[0]->w-width)/2, (SDL_modelist[0]->h-height)/2); 509 } 510 511 #if defined(__MACOSX__) && !USE_QUICKTIME 512 /* Hum.. fullscreen mode is broken */ 513 flags &= ~SDL_FULLSCREEN; 514 #endif 515 if ( (flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) { 516 /* Create the fullscreen window and use screen bits */ 517 current->flags |= SDL_HWSURFACE|SDL_FULLSCREEN; 518 if ( SDL_Window ) { 519 DisposeWindow(SDL_Window); 520 } 521 #if USE_QUICKTIME 522 BeginFullScreen(&fullscreen_ctx, nil, 0,0, &SDL_Window, nil, 0); 523 #else 524 SDL_Window = NewCWindow(nil, &wrect, "\p", true, plainDBox, 525 (WindowPtr)-1, false, 0); 526 ROM_HideMenuBar(this); 527 #endif 528 current->pitch = (**(**SDL_Display).gdPMap).rowBytes & 0x3FFF; 529 current->pixels = (**(**SDL_Display).gdPMap).baseAddr; 530 this->UpdateRects = ROM_DirectUpdate; 531 } else { 532 GWorldPtr memworld; 533 PixMapHandle pixmap; 534 int style; 535 536 style = noGrowDocProc; 537 if ( flags & SDL_NOFRAME ) { 538 style = plainDBox; 539 current->flags |= SDL_NOFRAME; 540 } else 541 if ( flags & SDL_RESIZABLE ) { 542 style = zoomDocProc; 543 current->flags |= SDL_RESIZABLE; 544 } 545 if ( SDL_Window && (style == current_style) ) { 546 /* Resize existing window, if necessary */ 547 if ( ((orect.right-orect.left) != width) || 548 ((orect.bottom-orect.top) != height) ) { 549 SizeWindow(SDL_Window, width, height, false); 550 } 551 } else { 552 /* Recreate the window in the new style */ 553 if ( SDL_Window ) { 554 DisposeWindow(SDL_Window); 555 } 556 SDL_Window = NewCWindow(nil, &wrect, "\p", true, 557 style, (WindowPtr)-1, true, 0); 558 559 /* Set the window title, if any */ 560 { char *title; 561 SDL_WM_GetCaption(&title, NULL); 562 if ( title ) { 563 Mac_SetCaption(this, title, NULL); 564 } 565 } 566 } 567 current_style = style; 568 SetPalette(SDL_Window, SDL_CPal, false); 569 ActivatePalette(SDL_Window); 570 if ( NewGWorld(&memworld, 0, 571 #if TARGET_API_MAC_CARBON 572 GetWindowPortBounds(SDL_Window, &tmprect), 573 #else 574 &SDL_Window->portRect, 575 #endif 576 SDL_CTab, nil, 0) != noErr ) { 577 SDL_SetError("NewGWorld() failed"); 578 return(NULL); 579 } 580 SetWRefCon(SDL_Window, (long)memworld); 581 pixmap = GetGWorldPixMap(memworld); 582 LockPixels(pixmap); 583 current->pitch = (**pixmap).rowBytes & 0x3FFF; 584 current->pixels = GetPixBaseAddr(pixmap); 585 this->UpdateRects = ROM_WindowUpdate; 586 } 587 SetPortWindowPort(SDL_Window); 588 SelectWindow(SDL_Window); 589 590 /* Handle OpenGL support */ 591 if ( flags & SDL_OPENGL ) { 592 if ( Mac_GL_Init(this) == 0 ) { 593 current->flags |= SDL_OPENGL; 594 } else { 595 current = NULL; 596 } 597 } 598 599 if ( (flags & SDL_HWPALETTE) && (flags & SDL_FULLSCREEN) ) 600 current->flags |= SDL_HWPALETTE; 601 602 /* We're live! */ 603 return(current); 604 } 605 606 /* We don't actually allow hardware surfaces other than the main one */ 607 static int ROM_AllocHWSurface(_THIS, SDL_Surface *surface) 608 { 609 return(-1); 610 } 611 static void ROM_FreeHWSurface(_THIS, SDL_Surface *surface) 612 { 613 return; 614 } 615 static int ROM_LockHWSurface(_THIS, SDL_Surface *surface) 616 { 617 return(0); 618 } 619 static void ROM_UnlockHWSurface(_THIS, SDL_Surface *surface) 620 { 621 return; 622 } 623 624 static void ROM_DirectUpdate(_THIS, int numrects, SDL_Rect *rects) 625 { 626 /* The application is already updating the visible video memory */ 627 return; 628 } 629 630 static void ROM_WindowUpdate(_THIS, int numrects, SDL_Rect *rects) 631 { 632 GWorldPtr memworld; 633 GrafPtr saveport; 634 CGrafPtr thePort; 635 const BitMap *memBits; 636 const BitMap *winBits; 637 int i; 638 Rect update; 639 640 /* Copy from the offscreen GWorld to the window port */ 641 GetPort(&saveport); 642 SetPortWindowPort(SDL_Window); 643 thePort = GetWindowPort(SDL_Window); 644 memworld = (GWorldPtr)GetWRefCon(SDL_Window); 645 #if TARGET_API_MAC_CARBON && ACCESSOR_CALLS_ARE_FUNCTIONS 646 memBits = GetPortBitMapForCopyBits((CGrafPtr) memworld); 647 #else 648 memBits = &((GrafPtr)memworld)->portBits; 649 #endif 650 #if TARGET_API_MAC_CARBON && ACCESSOR_CALLS_ARE_FUNCTIONS 651 winBits = GetPortBitMapForCopyBits(thePort); 652 #else 653 winBits = &SDL_Window->portBits; 654 #endif 655 for ( i=0; i<numrects; ++i ) { 656 update.left = rects[i].x; 657 update.right = rects[i].x+rects[i].w; 658 update.top = rects[i].y; 659 update.bottom = rects[i].y+rects[i].h; 660 CopyBits(memBits, winBits, 661 &update, &update, srcCopy, nil); 662 } 663 #if TARGET_API_MAC_CARBON 664 if ( QDIsPortBuffered(thePort) ) { 665 QDFlushPortBuffer(thePort, NULL); 666 } 667 #endif 668 SetPort(saveport); 669 } 670 671 static int ROM_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors) 672 { 673 CTabHandle cTab; 674 int i; 675 676 /* Get the colortable from the either the display or window */ 677 if ( (this->screen->flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) { 678 cTab = (**(**SDL_Display).gdPMap).pmTable; 679 } else { 680 cTab = SDL_CTab; 681 } 682 683 /* Verify the range of colors */ 684 if ( (firstcolor+ncolors) > ((**cTab).ctSize+1) ) { 685 return(0); 686 } 687 688 /* Set the screen palette and update the display */ 689 for ( i=0; i< ncolors; ++i ) { 690 int j = firstcolor + i; 691 (**cTab).ctTable[j].value = j; 692 (**cTab).ctTable[j].rgb.red = colors[i].r << 8 | colors[i].r; 693 (**cTab).ctTable[j].rgb.green = colors[i].g << 8 | colors[i].g; 694 (**cTab).ctTable[j].rgb.blue = colors[i].b << 8 | colors[i].b; 695 } 696 697 #if 0 698 if ( (this->screen->flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) 699 #endif 700 { 701 GDevice **odisplay; 702 odisplay = GetGDevice(); 703 SetGDevice(SDL_Display); 704 SetEntries(0, (**cTab).ctSize, (ColorSpec *)&(**cTab).ctTable); 705 SetGDevice(odisplay); 706 } 707 return(1); 708 } 709 710 void ROM_VideoQuit(_THIS) 711 { 712 int i; 713 714 /* Free current video mode */ 715 ROM_UnsetVideoMode(this, this->screen); 716 if ( SDL_Window ) { 717 DisposeWindow(SDL_Window); 718 SDL_Window = nil; 719 } 720 721 /* Free palette and restore original one */ 722 if ( SDL_CTab != nil ) { 723 DisposeHandle((Handle)SDL_CTab); 724 SDL_CTab = nil; 725 } 726 if ( SDL_CPal != nil ) { 727 DisposePalette(SDL_CPal); 728 SDL_CPal = nil; 729 } 730 RestoreDeviceClut(GetMainDevice()); 731 732 #if SDL_MACCLASSIC_GAMMA_SUPPORT 733 Mac_QuitGamma(this); 734 #endif 735 736 /* Free list of video modes */ 737 if ( SDL_modelist != NULL ) { 738 for ( i=0; SDL_modelist[i]; ++i ) { 739 SDL_free(SDL_modelist[i]); 740 } 741 SDL_free(SDL_modelist); 742 SDL_modelist = NULL; 743 } 744 } 745 746
