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@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 */
SBIsControlStripVisible(void)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
SBShowHideControlStrip(Boolean showIt)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
ROM_Available(void)114 static int ROM_Available(void)
115 {
116 return(1);
117 }
118
ROM_DeleteDevice(SDL_VideoDevice * device)119 static void ROM_DeleteDevice(SDL_VideoDevice *device)
120 {
121 SDL_free(device->hidden);
122 SDL_free(device);
123 }
124
ROM_CreateDevice(int devindex)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
ROM_VideoInit(_THIS,SDL_PixelFormat * vformat)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
ROM_ListModes(_THIS,SDL_PixelFormat * format,Uint32 flags)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
ROM_HideMenuBar(_THIS)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
ROM_ShowMenuBar(_THIS)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
ROM_UnsetVideoMode(_THIS,SDL_Surface * current)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
ROM_SetVideoMode(_THIS,SDL_Surface * current,int width,int height,int bpp,Uint32 flags)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 */
ROM_AllocHWSurface(_THIS,SDL_Surface * surface)607 static int ROM_AllocHWSurface(_THIS, SDL_Surface *surface)
608 {
609 return(-1);
610 }
ROM_FreeHWSurface(_THIS,SDL_Surface * surface)611 static void ROM_FreeHWSurface(_THIS, SDL_Surface *surface)
612 {
613 return;
614 }
ROM_LockHWSurface(_THIS,SDL_Surface * surface)615 static int ROM_LockHWSurface(_THIS, SDL_Surface *surface)
616 {
617 return(0);
618 }
ROM_UnlockHWSurface(_THIS,SDL_Surface * surface)619 static void ROM_UnlockHWSurface(_THIS, SDL_Surface *surface)
620 {
621 return;
622 }
623
ROM_DirectUpdate(_THIS,int numrects,SDL_Rect * rects)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
ROM_WindowUpdate(_THIS,int numrects,SDL_Rect * rects)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
ROM_SetColors(_THIS,int firstcolor,int ncolors,SDL_Color * colors)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
ROM_VideoQuit(_THIS)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