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comparison src/video/macrom/SDL_romvideo.c @ 0:74212992fb08

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Initial revision
author Sam Lantinga <slouken@lokigames.com>
date Thu, 26 Apr 2001 16:45:43 +0000
parents
children 45b1c4303f87
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-1:000000000000 0:74212992fb08
1 /*
2 SDL - Simple DirectMedia Layer
3 Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga
4
5 This library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public
7 License as published by the Free Software Foundation; either
8 version 2 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 Library General Public License for more details.
14
15 You should have received a copy of the GNU Library General Public
16 License along with this library; if not, write to the Free
17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18
19 Sam Lantinga
20 slouken@devolution.com
21 */
22
23 #ifdef SAVE_RCSID
24 static char rcsid =
25 "@(#) $Id$";
26 #endif
27
28 #include <stdio.h>
29 #include <stdlib.h>
30
31 #if TARGET_API_MAC_CARBON
32 #include <Carbon.h>
33 /* The fullscreen code requires the QuickTime framework, and the window
34 is still at the back on MacOS X, which is where this code is needed.
35 */
36 #if USE_QUICKTIME
37 #include <Movies.h>
38 #endif
39 #else
40 #include <LowMem.h>
41 #include <Gestalt.h>
42 #include <Devices.h>
43 #include <DiskInit.h>
44 #include <QDOffscreen.h>
45 #endif
46
47 #include "SDL_video.h"
48 #include "SDL_error.h"
49 #include "SDL_syswm.h"
50 #include "SDL_sysvideo.h"
51 #include "SDL_romvideo.h"
52 #include "SDL_macgl_c.h"
53 #include "SDL_macwm_c.h"
54 #include "SDL_macmouse_c.h"
55 #include "SDL_macevents_c.h"
56
57 /* Initialization/Query functions */
58 static int ROM_VideoInit(_THIS, SDL_PixelFormat *vformat);
59 static SDL_Rect **ROM_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags);
60 static SDL_Surface *ROM_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags);
61 static int ROM_SetColors(_THIS, int firstcolor, int ncolors,
62 SDL_Color *colors);
63 static void ROM_VideoQuit(_THIS);
64
65 /* Hardware surface functions */
66 static int ROM_AllocHWSurface(_THIS, SDL_Surface *surface);
67 static int ROM_LockHWSurface(_THIS, SDL_Surface *surface);
68 static void ROM_UnlockHWSurface(_THIS, SDL_Surface *surface);
69 static void ROM_FreeHWSurface(_THIS, SDL_Surface *surface);
70
71 #if !TARGET_API_MAC_CARBON /* This seems not to be available? -sts Aug 2000 */
72 /* Saved state for the menu bar */
73 static RgnHandle gSaveGrayRgn = nil;
74 static short gSaveMenuBar = 0;
75 static Boolean gSaveCSVis = true;
76
77 #if powerc
78 /* Mixed mode glue to activate the 68K emulator and twiddle a register */
79 #define ONEWORDSTUB(p1) \
80 { 0x41FA, 0x0010, 0x209F, (p1), 0x41FA, \
81 0x0008, 0x2F10, 0x4E75, 0x0000, 0x0000, 0x0000 }
82
83 #define TWOWORDSTUB(p1,p2) \
84 { 0x41FA, 0x0012, 0x209F, (p1), (p2), 0x41FA, \
85 0x0008, 0x2F10, 0x4E75, 0x0000, 0x0000, 0x0000 }
86
87 #define THREEWORDSTUB(p1,p2,p3) \
88 { 0x41FA, 0x0014, 0x209F, (p1), (p2), (p3), 0x41FA, \
89 0x0008, 0x2F10, 0x4E75, 0x0000, 0x0000, 0x0000 }
90
91 /* ControlStrip inline glue for PowerPC */
92 static pascal Boolean SBIsControlStripVisible(void)
93 {
94 static short procData[] = TWOWORDSTUB(0x7000, 0xAAF2);
95 ProcInfoType procInfo = kD0DispatchedPascalStackBased
96 | RESULT_SIZE(SIZE_CODE(sizeof(Boolean)))
97 | DISPATCHED_STACK_ROUTINE_SELECTOR_SIZE(kFourByteCode);
98
99 return((Boolean) CallUniversalProc((UniversalProcPtr) procData, procInfo, 0x00));
100 }
101
102 static pascal void SBShowHideControlStrip(Boolean showIt)
103 {
104 static short procData[] = THREEWORDSTUB(0x303C, 0x0101, 0xAAF2);
105 ProcInfoType procInfo = kD0DispatchedPascalStackBased
106 | DISPATCHED_STACK_ROUTINE_SELECTOR_SIZE(kFourByteCode)
107 | DISPATCHED_STACK_ROUTINE_PARAMETER(1, SIZE_CODE(sizeof(Boolean)));
108
109 CallUniversalProc((UniversalProcPtr) procData, procInfo, 0x01, showIt);
110 }
111 #endif /* powerc */
112 #endif /* !TARGET_API_MAC_CARBON */
113
114 /* Macintosh toolbox driver bootstrap functions */
115
116 static int ROM_Available(void)
117 {
118 return(1);
119 }
120
121 static void ROM_DeleteDevice(SDL_VideoDevice *device)
122 {
123 free(device->hidden);
124 free(device);
125 }
126
127 static SDL_VideoDevice *ROM_CreateDevice(int devindex)
128 {
129 SDL_VideoDevice *device;
130
131 /* Initialize all variables that we clean on shutdown */
132 device = (SDL_VideoDevice *)malloc(sizeof(SDL_VideoDevice));
133 if ( device ) {
134 memset(device, 0, (sizeof *device));
135 device->hidden = (struct SDL_PrivateVideoData *)
136 malloc((sizeof *device->hidden));
137 }
138 if ( (device == NULL) || (device->hidden == NULL) ) {
139 SDL_OutOfMemory();
140 if ( device ) {
141 free(device);
142 }
143 return(0);
144 }
145 memset(device->hidden, 0, (sizeof *device->hidden));
146
147 /* Set the function pointers */
148 device->VideoInit = ROM_VideoInit;
149 device->ListModes = ROM_ListModes;
150 device->SetVideoMode = ROM_SetVideoMode;
151 device->SetColors = ROM_SetColors;
152 device->UpdateRects = NULL;
153 device->VideoQuit = ROM_VideoQuit;
154 device->AllocHWSurface = ROM_AllocHWSurface;
155 device->CheckHWBlit = NULL;
156 device->FillHWRect = NULL;
157 device->SetHWColorKey = NULL;
158 device->SetHWAlpha = NULL;
159 device->LockHWSurface = ROM_LockHWSurface;
160 device->UnlockHWSurface = ROM_UnlockHWSurface;
161 device->FlipHWSurface = NULL;
162 device->FreeHWSurface = ROM_FreeHWSurface;
163 #ifdef HAVE_OPENGL
164 device->GL_MakeCurrent = Mac_GL_MakeCurrent;
165 device->GL_SwapBuffers = Mac_GL_SwapBuffers;
166 #endif
167 device->SetCaption = Mac_SetCaption;
168 device->SetIcon = NULL;
169 device->IconifyWindow = NULL;
170 device->GrabInput = NULL;
171 device->GetWMInfo = NULL;
172 device->FreeWMCursor = Mac_FreeWMCursor;
173 device->CreateWMCursor = Mac_CreateWMCursor;
174 device->ShowWMCursor = Mac_ShowWMCursor;
175 device->WarpWMCursor = Mac_WarpWMCursor;
176 device->InitOSKeymap = Mac_InitOSKeymap;
177 device->PumpEvents = Mac_PumpEvents;
178
179 device->free = ROM_DeleteDevice;
180
181 return device;
182 }
183
184 VideoBootStrap TOOLBOX_bootstrap = {
185 "toolbox", "MacOS ROM Toolbox",
186 ROM_Available, ROM_CreateDevice
187 };
188
189
190 static int ROM_VideoInit(_THIS, SDL_PixelFormat *vformat)
191 {
192 long info;
193
194 /* Check out some things about the system */
195 Gestalt(gestaltQuickdrawVersion, &info);
196 if ( info == gestaltOriginalQD ) {
197 SDL_SetError("Color Quickdraw not available");
198 return(-1);
199 }
200
201 /* Start ROMintosh events */
202 Mac_InitEvents(this);
203
204 /* Get a handle to the main monitor */
205 SDL_Display = GetMainDevice();
206
207 /* Determine pixel format */
208 vformat->BitsPerPixel = (**(**SDL_Display).gdPMap).pixelSize;
209 switch (vformat->BitsPerPixel) {
210 case 16: /* 5-5-5 RGB */
211 vformat->Rmask = 0x00007c00;
212 vformat->Gmask = 0x000003e0;
213 vformat->Bmask = 0x0000001f;
214 break;
215 default:
216 break;
217 }
218
219 /* Create our palette */
220 SDL_CTab = (CTabHandle)NewHandle(sizeof(ColorSpec)*256 + 8);
221 if ( SDL_CTab == nil ) {
222 SDL_OutOfMemory();
223 return(-1);
224 }
225 (**SDL_CTab).ctSeed = GetCTSeed();
226 (**SDL_CTab).ctFlags = 0;
227 (**SDL_CTab).ctSize = 255;
228 CTabChanged(SDL_CTab);
229 SDL_CPal = NewPalette(256, SDL_CTab, pmExplicit+pmTolerant, 0);
230
231 /* Get a list of available fullscreen modes */
232 SDL_modelist = (SDL_Rect **)malloc((1+1)*sizeof(SDL_Rect *));
233 if ( SDL_modelist ) {
234 SDL_modelist[0] = (SDL_Rect *)malloc(sizeof(SDL_Rect));
235 if ( SDL_modelist[0] ) {
236 SDL_modelist[0]->x = 0;
237 SDL_modelist[0]->y = 0;
238 SDL_modelist[0]->w = (**SDL_Display).gdRect.right;
239 SDL_modelist[0]->h = (**SDL_Display).gdRect.bottom;
240 }
241 SDL_modelist[1] = NULL;
242 }
243
244 /* Fill in some window manager capabilities */
245 this->info.wm_available = 1;
246
247 /* We're done! */
248 return(0);
249 }
250
251 static SDL_Rect **ROM_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags)
252 {
253 if ( this->screen->format->BitsPerPixel == format->BitsPerPixel ) {
254 if ( (flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) {
255 return(SDL_modelist);
256 } else {
257 return((SDL_Rect **)-1);
258 }
259 } else {
260 return((SDL_Rect **)0);
261 }
262 }
263
264 static void ROM_HideMenuBar(_THIS)
265 {
266 #if !TARGET_API_MAC_CARBON /* This seems not to be available? -sts Aug 2000 */
267 RgnHandle drawRgn = nil;
268 RgnHandle tempRgn = nil;
269 RgnHandle grayRgn = nil;
270 WindowPtr window = nil;
271 GDHandle gd = nil;
272 GrafPtr savePort;
273 long response;
274 short height;
275 EventRecord theEvent;
276
277 height = GetMBarHeight();
278
279 if ( height > 0 ) {
280 tempRgn = NewRgn();
281 drawRgn = NewRgn();
282 gSaveGrayRgn = NewRgn();
283 if ( ! tempRgn || ! drawRgn || ! gSaveGrayRgn ) {
284 goto CLEANUP;
285 }
286 grayRgn = GetGrayRgn(); /* No need to check for this */
287
288 GetPort(&savePort);
289
290 /* Hide the control strip if it's present, and record its
291 previous position into the dirty region for redrawing.
292 This isn't necessary, but may help catch stray bits. */
293 CopyRgn(grayRgn, tempRgn);
294 if (!Gestalt(gestaltControlStripAttr, &response) &&
295 (response & (1L << gestaltControlStripExists))) {
296 gSaveCSVis = SBIsControlStripVisible();
297 if (gSaveCSVis)
298 SBShowHideControlStrip(false);
299 }
300 DiffRgn(grayRgn, tempRgn, drawRgn);
301
302 /* Save the gray region once the control strip is hidden*/
303 CopyRgn(grayRgn, gSaveGrayRgn);
304
305 /* Change the menu height in lowmem */
306 gSaveMenuBar = height;
307 LMSetMBarHeight(0);
308
309 /* Walk the monitor rectangles, and combine any pieces that
310 aren't in GrayRgn: menubar, round corners, fake floaters. */
311 for(gd = GetDeviceList(); gd; gd = GetNextDevice(gd))
312 {
313 if (!TestDeviceAttribute(gd, screenDevice)) continue;
314 if (!TestDeviceAttribute(gd, screenActive)) continue;
315
316 RectRgn(tempRgn, &(*gd)->gdRect); /* Get the whole screen */
317 DiffRgn(tempRgn, grayRgn, tempRgn); /* Subtract out GrayRgn */
318 UnionRgn(tempRgn, drawRgn, drawRgn);/* Combine all the bits */
319 }
320
321 /* Add the bits into the GrayRgn */
322 UnionRgn(drawRgn, grayRgn, grayRgn);
323
324 /* Modify the vis regions of exposed windows */
325 window = (FrontWindow()) ? FrontWindow() : (WindowPtr) -1L;
326 PaintBehind(window, drawRgn);
327 CalcVisBehind(window, drawRgn);
328
329 SetPort(savePort);
330
331 /* Yield time so that floaters can catch up */
332 EventAvail(0, &theEvent);
333 EventAvail(0, &theEvent);
334 EventAvail(0, &theEvent);
335 EventAvail(0, &theEvent);
336 }
337
338 CLEANUP:
339
340 if (tempRgn) DisposeRgn(tempRgn);
341 if (drawRgn) DisposeRgn(drawRgn);
342 #endif /* !TARGET_API_MAC_CARBON */
343 }
344
345 static void ROM_ShowMenuBar(_THIS)
346 {
347 #if !TARGET_API_MAC_CARBON /* This seems not to be available? -sts Aug 2000 */
348 RgnHandle drawRgn = nil;
349 RgnHandle menuRgn = nil;
350 RgnHandle tempRgn = nil;
351 RgnHandle grayRgn = nil;
352 WindowPtr window = nil;
353 GrafPtr wMgrPort;
354 GrafPtr savePort;
355 Rect menuRect;
356 long response;
357 short height;
358 EventRecord theEvent;
359 RGBColor saveRGB;
360 RGBColor blackRGB = { 0, 0, 0 };
361
362 height = GetMBarHeight();
363
364 if ((height <= 0) && (gSaveMenuBar > 0)) {
365 drawRgn = NewRgn();
366 menuRgn = NewRgn();
367 tempRgn = NewRgn();
368 if ( ! tempRgn || ! drawRgn || ! gSaveGrayRgn ) {
369 goto CLEANUP;
370 }
371 grayRgn = GetGrayRgn(); /* No need to check for this */
372
373 GetPort(&savePort);
374 GetWMgrPort(&wMgrPort);
375
376 /* Set the height properly */
377 LMSetMBarHeight(gSaveMenuBar);
378
379 /* Restore the old GrayRgn: rounded corners, etc, but not
380 the menubar -- subtract that out first! */
381 if (gSaveGrayRgn)
382 {
383 menuRect = (*GetMainDevice())->gdRect;
384 menuRect.bottom = menuRect.top + gSaveMenuBar;
385 RectRgn(menuRgn, &menuRect);
386
387 DiffRgn(grayRgn, gSaveGrayRgn, drawRgn); /* What do we inval? */
388 DiffRgn(drawRgn, menuRgn, drawRgn); /* Clip out the menu */
389
390 /* Now redraw the corners and other bits black */
391 SetPort(wMgrPort);
392 GetClip(tempRgn);
393 SetClip(drawRgn);
394 GetForeColor(&saveRGB);
395 RGBForeColor(&blackRGB);
396 PaintRgn(drawRgn);
397 RGBForeColor(&saveRGB);
398 SetClip(tempRgn);
399 SetPort(savePort);
400
401 UnionRgn(drawRgn, menuRgn, drawRgn); /* Put back the menu */
402
403 /* Now actually restore the GrayRgn */
404 CopyRgn(gSaveGrayRgn, grayRgn);
405 DisposeRgn(gSaveGrayRgn);
406 gSaveGrayRgn = nil;
407 }
408
409 /* Modify the vis regions of exposed windows and draw menubar */
410 window = (FrontWindow()) ? FrontWindow() : (WindowPtr) -1L;
411 PaintBehind(window, drawRgn);
412 CalcVisBehind(window, drawRgn);
413 DrawMenuBar();
414
415 SetPort(savePort);
416 gSaveMenuBar = 0;
417
418 /* Now show the control strip if it's present */
419 if (!Gestalt(gestaltControlStripAttr, &response) &&
420 (response & (1L << gestaltControlStripExists)))
421 {
422 if (gSaveCSVis && !SBIsControlStripVisible())
423 SBShowHideControlStrip(true);
424 gSaveCSVis = true;
425 }
426
427 /* Yield time so that floaters can catch up */
428 EventAvail(0, &theEvent);
429 EventAvail(0, &theEvent);
430 EventAvail(0, &theEvent);
431 EventAvail(0, &theEvent);
432 }
433
434 CLEANUP:
435
436 if (drawRgn) DisposeRgn(drawRgn);
437 if (menuRgn) DisposeRgn(menuRgn);
438 if (tempRgn) DisposeRgn(tempRgn);
439 #endif /* !TARGET_API_MAC_CARBON */
440 }
441
442 /* Various screen update functions available */
443 static void ROM_DirectUpdate(_THIS, int numrects, SDL_Rect *rects);
444 static void ROM_WindowUpdate(_THIS, int numrects, SDL_Rect *rects);
445
446 static void ROM_UnsetVideoMode(_THIS, SDL_Surface *current)
447 {
448 /* Free the current window, if any */
449 if ( SDL_Window != nil ) {
450 GWorldPtr memworld;
451
452 /* Handle OpenGL support */
453 Mac_GL_Quit(this);
454
455 memworld = (GWorldPtr)GetWRefCon(SDL_Window);
456 if ( memworld != nil ) {
457 UnlockPixels(GetGWorldPixMap(memworld));
458 DisposeGWorld(memworld);
459 }
460 if ( (current->flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) {
461 #if USE_QUICKTIME
462 EndFullScreen(fullscreen_ctx, nil);
463 SDL_Window = nil;
464 #else
465 ROM_ShowMenuBar(this);
466 #endif
467 }
468 }
469 current->pixels = NULL;
470 current->flags &= ~(SDL_HWSURFACE|SDL_FULLSCREEN);
471 }
472
473 static SDL_Surface *ROM_SetVideoMode(_THIS, SDL_Surface *current,
474 int width, int height, int bpp, Uint32 flags)
475 {
476 Rect wrect, orect;
477 #if TARGET_API_MAC_CARBON
478 Rect tmprect;
479 #endif
480
481 /* Free any previous video mode */
482 ROM_UnsetVideoMode(this, current);
483
484 /* Create the ROM window and SDL video surface */
485 current->flags = 0; /* Clear flags */
486 current->w = width;
487 current->h = height;
488 SetRect(&wrect, 0, 0, width, height);
489 if ( SDL_Window ) {
490 /* If we recreate the window, don't move it around */
491 #if TARGET_API_MAC_CARBON
492 orect = *GetWindowPortBounds(SDL_Window, &tmprect);
493 #else
494 orect = SDL_Window->portRect;
495 #endif
496 OffsetRect(&wrect, orect.left, orect.top);
497 } else {
498 /* Center the window the first time we show it */
499 OffsetRect(&wrect,
500 (SDL_modelist[0]->w-width)/2, (SDL_modelist[0]->h-height)/2);
501 }
502
503 #if MACOSX && !USE_QUICKTIME
504 /* Hum.. fullscreen mode is broken */
505 flags &= ~SDL_FULLSCREEN;
506 #endif
507 if ( (flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) {
508 /* Create the fullscreen window and use screen bits */
509 current->flags |= SDL_HWSURFACE|SDL_FULLSCREEN;
510 if ( SDL_Window ) {
511 DisposeWindow(SDL_Window);
512 }
513 #if USE_QUICKTIME
514 BeginFullScreen(&fullscreen_ctx, nil, 0,0, &SDL_Window, nil, 0);
515 #else
516 SDL_Window = NewCWindow(nil, &wrect, "\p", true, plainDBox,
517 (WindowPtr)-1, false, 0);
518 ROM_HideMenuBar(this);
519 #endif
520 current->pitch = (**(**SDL_Display).gdPMap).rowBytes & 0x3FFF;
521 current->pixels = (**(**SDL_Display).gdPMap).baseAddr;
522 this->UpdateRects = ROM_DirectUpdate;
523 } else {
524 GWorldPtr memworld;
525 PixMapHandle pixmap;
526 int style;
527
528 style = noGrowDocProc;
529 if ( flags & SDL_NOFRAME ) {
530 style = plainDBox;
531 current->flags |= SDL_NOFRAME;
532 } else
533 if ( flags & SDL_RESIZABLE ) {
534 style = zoomDocProc;
535 current->flags |= SDL_RESIZABLE;
536 }
537 if ( SDL_Window && (style == current_style) ) {
538 /* Resize existing window, if necessary */
539 if ( ((orect.right-orect.left) != width) ||
540 ((orect.bottom-orect.top) != height) ) {
541 SizeWindow(SDL_Window, width, height, false);
542 }
543 } else {
544 /* Recreate the window in the new style */
545 if ( SDL_Window ) {
546 DisposeWindow(SDL_Window);
547 }
548 SDL_Window = NewCWindow(nil, &wrect, "\p", true,
549 style, (WindowPtr)-1, true, 0);
550
551 /* Set the window title, if any */
552 { char *title;
553 SDL_WM_GetCaption(&title, NULL);
554 if ( title ) {
555 Mac_SetCaption(this, title, NULL);
556 }
557 }
558 }
559 current_style = style;
560 SetPalette(SDL_Window, SDL_CPal, false);
561 ActivatePalette(SDL_Window);
562 if ( NewGWorld(&memworld, 0,
563 #if TARGET_API_MAC_CARBON
564 GetWindowPortBounds(SDL_Window, &tmprect),
565 #else
566 &SDL_Window->portRect,
567 #endif
568 SDL_CTab, nil, 0) != noErr ) {
569 SDL_SetError("NewGWorld() failed");
570 return(NULL);
571 }
572 SetWRefCon(SDL_Window, (long)memworld);
573 pixmap = GetGWorldPixMap(memworld);
574 LockPixels(pixmap);
575 current->pitch = (**pixmap).rowBytes & 0x3FFF;
576 current->pixels = GetPixBaseAddr(pixmap);
577 this->UpdateRects = ROM_WindowUpdate;
578 }
579 SetPortWindowPort(SDL_Window);
580 SelectWindow(SDL_Window);
581
582 /* Handle OpenGL support */
583 if ( flags & SDL_OPENGL ) {
584 if ( Mac_GL_Init(this) == 0 ) {
585 current->flags |= SDL_OPENGL;
586 } else {
587 current = NULL;
588 }
589 }
590
591 if ( (flags & SDL_HWPALETTE) && (flags & SDL_FULLSCREEN) )
592 current->flags |= SDL_HWPALETTE;
593
594 /* We're live! */
595 return(current);
596 }
597
598 /* We don't actually allow hardware surfaces other than the main one */
599 static int ROM_AllocHWSurface(_THIS, SDL_Surface *surface)
600 {
601 return(-1);
602 }
603 static void ROM_FreeHWSurface(_THIS, SDL_Surface *surface)
604 {
605 return;
606 }
607 static int ROM_LockHWSurface(_THIS, SDL_Surface *surface)
608 {
609 return(0);
610 }
611 static void ROM_UnlockHWSurface(_THIS, SDL_Surface *surface)
612 {
613 return;
614 }
615
616 static void ROM_DirectUpdate(_THIS, int numrects, SDL_Rect *rects)
617 {
618 /* The application is already updating the visible video memory */
619 return;
620 }
621
622 static void ROM_WindowUpdate(_THIS, int numrects, SDL_Rect *rects)
623 {
624 GWorldPtr memworld;
625 GrafPtr saveport;
626 CGrafPtr thePort;
627 const BitMap *memBits;
628 const BitMap *winBits;
629 int i;
630 Rect update;
631
632 /* Copy from the offscreen GWorld to the window port */
633 GetPort(&saveport);
634 SetPortWindowPort(SDL_Window);
635 thePort = GetWindowPort(SDL_Window);
636 memworld = (GWorldPtr)GetWRefCon(SDL_Window);
637 #if TARGET_API_MAC_CARBON
638 memBits = GetPortBitMapForCopyBits((CGrafPtr) memworld);
639 #else
640 memBits = &((GrafPtr)memworld)->portBits;
641 #endif
642 #if TARGET_API_MAC_CARBON
643 winBits = GetPortBitMapForCopyBits(thePort);
644 #else
645 winBits = &SDL_Window->portBits;
646 #endif
647 for ( i=0; i<numrects; ++i ) {
648 update.left = rects[i].x;
649 update.right = rects[i].x+rects[i].w;
650 update.top = rects[i].y;
651 update.bottom = rects[i].y+rects[i].h;
652 CopyBits(memBits, winBits,
653 &update, &update, srcCopy, nil);
654 }
655 #if TARGET_API_MAC_CARBON
656 if ( QDIsPortBuffered(thePort) ) {
657 QDFlushPortBuffer(thePort, NULL);
658 }
659 #endif
660 SetPort(saveport);
661 }
662
663 static int ROM_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors)
664 {
665 CTabHandle cTab;
666 int i;
667
668 /* Get the colortable from the either the display or window */
669 if ( (this->screen->flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) {
670 cTab = (**(**SDL_Display).gdPMap).pmTable;
671 } else {
672 cTab = SDL_CTab;
673 }
674
675 /* Verify the range of colors */
676 if ( (firstcolor+ncolors) > ((**cTab).ctSize+1) ) {
677 return(0);
678 }
679
680 /* Set the screen palette and update the display */
681 for ( i=0; i< ncolors; ++i ) {
682 int j = firstcolor + i;
683 (**cTab).ctTable[j].value = j;
684 (**cTab).ctTable[j].rgb.red = colors[i].r << 8 | colors[i].r;
685 (**cTab).ctTable[j].rgb.green = colors[i].g << 8 | colors[i].g;
686 (**cTab).ctTable[j].rgb.blue = colors[i].b << 8 | colors[i].b;
687 }
688 // if ( (this->screen->flags & SDL_FULLSCREEN) == SDL_FULLSCREEN )
689 {
690 GDevice **odisplay;
691 odisplay = GetGDevice();
692 SetGDevice(SDL_Display);
693 SetEntries(0, (**cTab).ctSize, (ColorSpec *)&(**cTab).ctTable);
694 SetGDevice(odisplay);
695 }
696 return(1);
697 }
698
699 void ROM_VideoQuit(_THIS)
700 {
701 int i;
702
703 /* Free current video mode */
704 ROM_UnsetVideoMode(this, this->screen);
705 if ( SDL_Window ) {
706 DisposeWindow(SDL_Window);
707 SDL_Window = nil;
708 }
709
710 /* Free palette and restore original one */
711 if ( SDL_CTab != nil ) {
712 DisposeHandle((Handle)SDL_CTab);
713 SDL_CTab = nil;
714 }
715 if ( SDL_CPal != nil ) {
716 DisposePalette(SDL_CPal);
717 SDL_CPal = nil;
718 }
719 RestoreDeviceClut(GetMainDevice());
720
721 /* Free list of video modes */
722 if ( SDL_modelist != NULL ) {
723 for ( i=0; SDL_modelist[i]; ++i ) {
724 free(SDL_modelist[i]);
725 }
726 free(SDL_modelist);
727 SDL_modelist = NULL;
728 }
729 }
730