/
SDL_QuartzVideo.m
1368 lines (1114 loc) · 45.4 KB
/
SDL_QuartzVideo.m
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/*
SDL - Simple DirectMedia Layer
Copyright (C) 1997-2009 Sam Lantinga
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Sam Lantinga
slouken@libsdl.org
*/
#include "SDL_config.h"
#include "SDL_QuartzVideo.h"
#include "SDL_QuartzWindow.h"
#ifdef __powerpc__ /* I'm gambling they fixed this by 10.4. --ryan. */
/*
Add methods to get at private members of NSScreen.
Since there is a bug in Apple's screen switching code
that does not update this variable when switching
to fullscreen, we'll set it manually (but only for the
main screen).
*/
@interface NSScreen (NSScreenAccess)
- (void) setFrame:(NSRect)frame;
@end
@implementation NSScreen (NSScreenAccess)
- (void) setFrame:(NSRect)frame;
{
_frame = frame;
}
@end
static inline void QZ_SetFrame(NSScreen *nsscreen, NSRect frame)
{
[nsscreen setFrame:frame];
}
#else
static inline void QZ_SetFrame(NSScreen *nsscreen, NSRect frame)
{
}
#endif
@interface SDLTranslatorResponder : NSTextView
{
}
- (void) doCommandBySelector:(SEL)myselector;
@end
@implementation SDLTranslatorResponder
- (void) doCommandBySelector:(SEL) myselector {}
@end
/* absent in 10.3.9. */
CG_EXTERN CGImageRef CGBitmapContextCreateImage (CGContextRef);
/* Bootstrap functions */
static int QZ_Available ();
static SDL_VideoDevice* QZ_CreateDevice (int device_index);
static void QZ_DeleteDevice (SDL_VideoDevice *device);
/* Initialization, Query, Setup, and Redrawing functions */
static int QZ_VideoInit (_THIS, SDL_PixelFormat *video_format);
static SDL_Rect** QZ_ListModes (_THIS, SDL_PixelFormat *format,
Uint32 flags);
static void QZ_UnsetVideoMode (_THIS, BOOL to_desktop);
static SDL_Surface* QZ_SetVideoMode (_THIS, SDL_Surface *current,
int width, int height, int bpp,
Uint32 flags);
static int QZ_ToggleFullScreen (_THIS, int on);
static int QZ_SetColors (_THIS, int first_color,
int num_colors, SDL_Color *colors);
static int QZ_LockDoubleBuffer (_THIS, SDL_Surface *surface);
static void QZ_UnlockDoubleBuffer (_THIS, SDL_Surface *surface);
static int QZ_ThreadFlip (_THIS);
static int QZ_FlipDoubleBuffer (_THIS, SDL_Surface *surface);
static void QZ_DoubleBufferUpdate (_THIS, int num_rects, SDL_Rect *rects);
static void QZ_DirectUpdate (_THIS, int num_rects, SDL_Rect *rects);
static void QZ_UpdateRects (_THIS, int num_rects, SDL_Rect *rects);
static void QZ_VideoQuit (_THIS);
/* Hardware surface functions (for fullscreen mode only) */
#if 0 /* Not used (apparently, it's really slow) */
static int QZ_FillHWRect (_THIS, SDL_Surface *dst, SDL_Rect *rect, Uint32 color);
#endif
static int QZ_LockHWSurface(_THIS, SDL_Surface *surface);
static void QZ_UnlockHWSurface(_THIS, SDL_Surface *surface);
static int QZ_AllocHWSurface(_THIS, SDL_Surface *surface);
static void QZ_FreeHWSurface (_THIS, SDL_Surface *surface);
/* static int QZ_FlipHWSurface (_THIS, SDL_Surface *surface); */
/* Bootstrap binding, enables entry point into the driver */
VideoBootStrap QZ_bootstrap = {
"Quartz", "Mac OS X CoreGraphics", QZ_Available, QZ_CreateDevice
};
/* Bootstrap functions */
static int QZ_Available ()
{
return 1;
}
static SDL_VideoDevice* QZ_CreateDevice (int device_index)
{
#pragma unused (device_index)
SDL_VideoDevice *device;
SDL_PrivateVideoData *hidden;
device = (SDL_VideoDevice*) SDL_malloc (sizeof (*device) );
hidden = (SDL_PrivateVideoData*) SDL_malloc (sizeof (*hidden) );
if (device == NULL || hidden == NULL)
SDL_OutOfMemory ();
SDL_memset (device, 0, sizeof (*device) );
SDL_memset (hidden, 0, sizeof (*hidden) );
device->hidden = hidden;
device->VideoInit = QZ_VideoInit;
device->ListModes = QZ_ListModes;
device->SetVideoMode = QZ_SetVideoMode;
device->ToggleFullScreen = QZ_ToggleFullScreen;
device->UpdateMouse = QZ_UpdateMouse;
device->SetColors = QZ_SetColors;
/* device->UpdateRects = QZ_UpdateRects; this is determined by SetVideoMode() */
device->VideoQuit = QZ_VideoQuit;
device->LockHWSurface = QZ_LockHWSurface;
device->UnlockHWSurface = QZ_UnlockHWSurface;
device->AllocHWSurface = QZ_AllocHWSurface;
device->FreeHWSurface = QZ_FreeHWSurface;
/* device->FlipHWSurface = QZ_FlipHWSurface */;
device->SetGamma = QZ_SetGamma;
device->GetGamma = QZ_GetGamma;
device->SetGammaRamp = QZ_SetGammaRamp;
device->GetGammaRamp = QZ_GetGammaRamp;
device->GL_GetProcAddress = QZ_GL_GetProcAddress;
device->GL_GetAttribute = QZ_GL_GetAttribute;
device->GL_MakeCurrent = QZ_GL_MakeCurrent;
device->GL_SwapBuffers = QZ_GL_SwapBuffers;
device->GL_LoadLibrary = QZ_GL_LoadLibrary;
device->FreeWMCursor = QZ_FreeWMCursor;
device->CreateWMCursor = QZ_CreateWMCursor;
device->ShowWMCursor = QZ_ShowWMCursor;
device->WarpWMCursor = QZ_WarpWMCursor;
device->MoveWMCursor = QZ_MoveWMCursor;
device->CheckMouseMode = QZ_CheckMouseMode;
device->InitOSKeymap = QZ_InitOSKeymap;
device->PumpEvents = QZ_PumpEvents;
device->SetCaption = QZ_SetCaption;
device->SetIcon = QZ_SetIcon;
device->IconifyWindow = QZ_IconifyWindow;
/*device->GetWMInfo = QZ_GetWMInfo;*/
device->GrabInput = QZ_GrabInput;
/*
* This is a big hassle, needing QuickDraw and QuickTime on older
* systems, and god knows what on 10.6, so we immediately fail here,
* which causes SDL to make an RGB surface and manage the YUV overlay
* in software. Sorry. Use SDL 1.3 if you want YUV rendering in a pixel
* shader. :)
*/
/*device->CreateYUVOverlay = QZ_CreateYUVOverlay;*/
device->free = QZ_DeleteDevice;
return device;
}
static void QZ_DeleteDevice (SDL_VideoDevice *device)
{
SDL_free (device->hidden);
SDL_free (device);
}
static int QZ_VideoInit (_THIS, SDL_PixelFormat *video_format)
{
NSRect r = NSMakeRect(0.0, 0.0, 0.0, 0.0);
const char *env = NULL;
/* Initialize the video settings; this data persists between mode switches */
display_id = kCGDirectMainDisplay;
#if 0 /* The mouse event code needs to take this into account... */
env = getenv("SDL_VIDEO_FULLSCREEN_DISPLAY");
if ( env ) {
int monitor = SDL_atoi(env);
CGDirectDisplayID activeDspys [3];
CGDisplayCount dspyCnt;
CGGetActiveDisplayList (3, activeDspys, &dspyCnt);
if ( monitor >= 0 && monitor < dspyCnt ) {
display_id = activeDspys[monitor];
}
}
#endif
save_mode = CGDisplayCurrentMode (display_id);
mode_list = CGDisplayAvailableModes (display_id);
palette = CGPaletteCreateDefaultColorPalette ();
/* Allow environment override of screensaver disable. */
env = SDL_getenv("SDL_VIDEO_ALLOW_SCREENSAVER");
if ( env ) {
allow_screensaver = SDL_atoi(env);
} else {
#ifdef SDL_VIDEO_DISABLE_SCREENSAVER
allow_screensaver = 0;
#else
allow_screensaver = 1;
#endif
}
/* Gather some information that is useful to know about the display */
CFNumberGetValue (CFDictionaryGetValue (save_mode, kCGDisplayBitsPerPixel),
kCFNumberSInt32Type, &device_bpp);
CFNumberGetValue (CFDictionaryGetValue (save_mode, kCGDisplayWidth),
kCFNumberSInt32Type, &device_width);
CFNumberGetValue (CFDictionaryGetValue (save_mode, kCGDisplayHeight),
kCFNumberSInt32Type, &device_height);
/* Determine the current screen size */
this->info.current_w = device_width;
this->info.current_h = device_height;
/* Determine the default screen depth */
video_format->BitsPerPixel = device_bpp;
/* Set misc globals */
current_grab_mode = SDL_GRAB_OFF;
cursor_should_be_visible = YES;
cursor_visible = YES;
current_mods = 0;
field_edit = [[SDLTranslatorResponder alloc] initWithFrame:r];
if ( Gestalt(gestaltSystemVersion, &system_version) != noErr )
system_version = 0;
/* register for sleep notifications so wake from sleep generates SDL_VIDEOEXPOSE */
QZ_RegisterForSleepNotifications (this);
/* Fill in some window manager capabilities */
this->info.wm_available = 1;
return 0;
}
static SDL_Rect** QZ_ListModes (_THIS, SDL_PixelFormat *format, Uint32 flags)
{
CFIndex num_modes;
CFIndex i;
int list_size = 0;
/* Any windowed mode is acceptable */
if ( (flags & SDL_FULLSCREEN) == 0 )
return (SDL_Rect**)-1;
/* Free memory from previous call, if any */
if ( client_mode_list != NULL ) {
int i;
for (i = 0; client_mode_list[i] != NULL; i++)
SDL_free (client_mode_list[i]);
SDL_free (client_mode_list);
client_mode_list = NULL;
}
num_modes = CFArrayGetCount (mode_list);
/* Build list of modes with the requested bpp */
for (i = 0; i < num_modes; i++) {
CFDictionaryRef onemode;
CFNumberRef number;
int bpp;
onemode = CFArrayGetValueAtIndex (mode_list, i);
number = CFDictionaryGetValue (onemode, kCGDisplayBitsPerPixel);
CFNumberGetValue (number, kCFNumberSInt32Type, &bpp);
if (bpp == format->BitsPerPixel) {
int intvalue;
int hasMode;
int width, height;
number = CFDictionaryGetValue (onemode, kCGDisplayWidth);
CFNumberGetValue (number, kCFNumberSInt32Type, &intvalue);
width = (Uint16) intvalue;
number = CFDictionaryGetValue (onemode, kCGDisplayHeight);
CFNumberGetValue (number, kCFNumberSInt32Type, &intvalue);
height = (Uint16) intvalue;
/* Check if mode is already in the list */
{
int i;
hasMode = SDL_FALSE;
for (i = 0; i < list_size; i++) {
if (client_mode_list[i]->w == width &&
client_mode_list[i]->h == height) {
hasMode = SDL_TRUE;
break;
}
}
}
/* Grow the list and add mode to the list */
if ( ! hasMode ) {
SDL_Rect *rect;
list_size++;
if (client_mode_list == NULL)
client_mode_list = (SDL_Rect**)
SDL_malloc (sizeof(*client_mode_list) * (list_size+1) );
else
client_mode_list = (SDL_Rect**)
SDL_realloc (client_mode_list, sizeof(*client_mode_list) * (list_size+1));
rect = (SDL_Rect*) SDL_malloc (sizeof(**client_mode_list));
if (client_mode_list == NULL || rect == NULL) {
SDL_OutOfMemory ();
return NULL;
}
rect->x = rect->y = 0;
rect->w = width;
rect->h = height;
client_mode_list[list_size-1] = rect;
client_mode_list[list_size] = NULL;
}
}
}
/* Sort list largest to smallest (by area) */
{
int i, j;
for (i = 0; i < list_size; i++) {
for (j = 0; j < list_size-1; j++) {
int area1, area2;
area1 = client_mode_list[j]->w * client_mode_list[j]->h;
area2 = client_mode_list[j+1]->w * client_mode_list[j+1]->h;
if (area1 < area2) {
SDL_Rect *tmp = client_mode_list[j];
client_mode_list[j] = client_mode_list[j+1];
client_mode_list[j+1] = tmp;
}
}
}
}
return client_mode_list;
}
static SDL_bool QZ_WindowPosition(_THIS, int *x, int *y)
{
const char *window = getenv("SDL_VIDEO_WINDOW_POS");
if ( window ) {
if ( sscanf(window, "%d,%d", x, y) == 2 ) {
return SDL_TRUE;
}
}
return SDL_FALSE;
}
static void QZ_UnsetVideoMode (_THIS, BOOL to_desktop)
{
/* Reset values that may change between switches */
this->info.blit_fill = 0;
this->FillHWRect = NULL;
this->UpdateRects = NULL;
this->LockHWSurface = NULL;
this->UnlockHWSurface = NULL;
if (cg_context) {
CGContextFlush (cg_context);
CGContextRelease (cg_context);
cg_context = nil;
}
/* Release fullscreen resources */
if ( mode_flags & SDL_FULLSCREEN ) {
NSRect screen_rect;
/* Release double buffer stuff */
if ( mode_flags & SDL_DOUBLEBUF) {
quit_thread = YES;
SDL_SemPost (sem1);
SDL_WaitThread (thread, NULL);
SDL_DestroySemaphore (sem1);
SDL_DestroySemaphore (sem2);
SDL_free (sw_buffers[0]);
}
/* If we still have a valid window, close it. */
if ( qz_window ) {
NSCAssert([ qz_window delegate ] == nil, @"full screen window shouldn't have a delegate"); /* if that should ever change, we'd have to release it here */
[ qz_window close ]; /* includes release because [qz_window isReleasedWhenClosed] */
qz_window = nil;
window_view = nil;
}
/*
Release the OpenGL context
Do this first to avoid trash on the display before fade
*/
if ( mode_flags & SDL_OPENGL ) {
QZ_TearDownOpenGL (this);
CGLSetFullScreen (NULL);
}
if (to_desktop) {
ShowMenuBar ();
/* Restore original screen resolution/bpp */
CGDisplaySwitchToMode (display_id, save_mode);
CGReleaseAllDisplays ();
/*
Reset the main screen's rectangle
See comment in QZ_SetVideoFullscreen for why we do this
*/
screen_rect = NSMakeRect(0,0,device_width,device_height);
QZ_SetFrame([ NSScreen mainScreen ], screen_rect);
}
}
/* Release window mode resources */
else {
id delegate = [ qz_window delegate ];
[ qz_window close ]; /* includes release because [qz_window isReleasedWhenClosed] */
if (delegate != nil) [ delegate release ];
qz_window = nil;
window_view = nil;
/* Release the OpenGL context */
if ( mode_flags & SDL_OPENGL )
QZ_TearDownOpenGL (this);
}
/* Signal successful teardown */
video_set = SDL_FALSE;
}
static SDL_Surface* QZ_SetVideoFullScreen (_THIS, SDL_Surface *current, int width,
int height, int bpp, Uint32 flags)
{
boolean_t exact_match = 0;
NSRect screen_rect;
CGError error;
NSRect contentRect;
CGDisplayFadeReservationToken fade_token = kCGDisplayFadeReservationInvalidToken;
/* Fade to black to hide resolution-switching flicker (and garbage
that is displayed by a destroyed OpenGL context, if applicable) */
if ( CGAcquireDisplayFadeReservation (5, &fade_token) == kCGErrorSuccess ) {
CGDisplayFade (fade_token, 0.3, kCGDisplayBlendNormal, kCGDisplayBlendSolidColor, 0.0, 0.0, 0.0, TRUE);
}
/* Destroy any previous mode */
if (video_set == SDL_TRUE)
QZ_UnsetVideoMode (this, FALSE);
/* Sorry, QuickDraw was ripped out. */
if (getenv("SDL_NSWindowPointer") || getenv("SDL_NSQuickDrawViewPointer")) {
SDL_SetError ("Embedded QuickDraw windows are no longer supported");
goto ERR_NO_MATCH;
}
/* See if requested mode exists */
mode = CGDisplayBestModeForParameters (display_id, bpp, width,
height, &exact_match);
/* Require an exact match to the requested mode */
if ( ! exact_match ) {
SDL_SetError ("Failed to find display resolution: %dx%dx%d", width, height, bpp);
goto ERR_NO_MATCH;
}
/* Put up the blanking window (a window above all other windows) */
if (getenv ("SDL_SINGLEDISPLAY"))
error = CGDisplayCapture (display_id);
else
error = CGCaptureAllDisplays ();
if ( CGDisplayNoErr != error ) {
SDL_SetError ("Failed capturing display");
goto ERR_NO_CAPTURE;
}
/* Do the physical switch */
if ( CGDisplayNoErr != CGDisplaySwitchToMode (display_id, mode) ) {
SDL_SetError ("Failed switching display resolution");
goto ERR_NO_SWITCH;
}
current->pixels = (Uint32*) CGDisplayBaseAddress (display_id);
current->pitch = CGDisplayBytesPerRow (display_id);
current->flags = 0;
current->w = width;
current->h = height;
current->flags |= SDL_FULLSCREEN;
current->flags |= SDL_HWSURFACE;
current->flags |= SDL_PREALLOC;
/* current->hwdata = (void *) CGDisplayGetDrawingContext (display_id); */
this->UpdateRects = QZ_DirectUpdate;
this->LockHWSurface = QZ_LockHWSurface;
this->UnlockHWSurface = QZ_UnlockHWSurface;
/* Setup double-buffer emulation */
if ( flags & SDL_DOUBLEBUF ) {
/*
Setup a software backing store for reasonable results when
double buffering is requested (since a single-buffered hardware
surface looks hideous).
The actual screen blit occurs in a separate thread to allow
other blitting while waiting on the VBL (and hence results in higher framerates).
*/
this->LockHWSurface = NULL;
this->UnlockHWSurface = NULL;
this->UpdateRects = NULL;
current->flags |= (SDL_HWSURFACE|SDL_DOUBLEBUF);
this->UpdateRects = QZ_DoubleBufferUpdate;
this->LockHWSurface = QZ_LockDoubleBuffer;
this->UnlockHWSurface = QZ_UnlockDoubleBuffer;
this->FlipHWSurface = QZ_FlipDoubleBuffer;
current->pixels = SDL_malloc (current->pitch * current->h * 2);
if (current->pixels == NULL) {
SDL_OutOfMemory ();
goto ERR_DOUBLEBUF;
}
sw_buffers[0] = current->pixels;
sw_buffers[1] = (Uint8*)current->pixels + current->pitch * current->h;
quit_thread = NO;
sem1 = SDL_CreateSemaphore (0);
sem2 = SDL_CreateSemaphore (1);
thread = SDL_CreateThread ((int (*)(void *))QZ_ThreadFlip, this);
}
if ( CGDisplayCanSetPalette (display_id) )
current->flags |= SDL_HWPALETTE;
/* Check if we should recreate the window */
if (qz_window == nil) {
/* Manually create a window, avoids having a nib file resource */
qz_window = [ [ SDL_QuartzWindow alloc ]
initWithContentRect:contentRect
styleMask:0
backing:NSBackingStoreBuffered
defer:NO ];
if (qz_window != nil) {
[ qz_window setAcceptsMouseMovedEvents:YES ];
[ qz_window setViewsNeedDisplay:NO ];
}
}
/* We already have a window, just change its size */
else {
[ qz_window setContentSize:contentRect.size ];
current->flags |= (SDL_NOFRAME|SDL_RESIZABLE) & mode_flags;
[ window_view setFrameSize:contentRect.size ];
}
/* Setup OpenGL for a fullscreen context */
if (flags & SDL_OPENGL) {
CGLError err;
CGLContextObj ctx;
if ( ! QZ_SetupOpenGL (this, bpp, flags) ) {
goto ERR_NO_GL;
}
/* Initialize the NSView and add it to our window. The presence of a valid window and
view allow the cursor to be changed whilst in fullscreen.*/
window_view = [ [ NSView alloc ] initWithFrame:contentRect ];
[ [ qz_window contentView ] addSubview:window_view ];
[ window_view release ];
ctx = QZ_GetCGLContextObj (gl_context);
err = CGLSetFullScreen (ctx);
if (err) {
SDL_SetError ("Error setting OpenGL fullscreen: %s", CGLErrorString(err));
goto ERR_NO_GL;
}
[ gl_context makeCurrentContext];
glClear (GL_COLOR_BUFFER_BIT);
[ gl_context flushBuffer ];
current->flags |= SDL_OPENGL;
}
/* If we don't hide menu bar, it will get events and interrupt the program */
HideMenuBar ();
/* Fade in again (asynchronously) */
if ( fade_token != kCGDisplayFadeReservationInvalidToken ) {
CGDisplayFade (fade_token, 0.5, kCGDisplayBlendSolidColor, kCGDisplayBlendNormal, 0.0, 0.0, 0.0, FALSE);
CGReleaseDisplayFadeReservation(fade_token);
}
/*
There is a bug in Cocoa where NSScreen doesn't synchronize
with CGDirectDisplay, so the main screen's frame is wrong.
As a result, coordinate translation produces incorrect results.
We can hack around this bug by setting the screen rect
ourselves. This hack should be removed if/when the bug is fixed.
*/
screen_rect = NSMakeRect(0,0,width,height);
QZ_SetFrame([ NSScreen mainScreen ], screen_rect);
/* Save the flags to ensure correct tear-down */
mode_flags = current->flags;
/* Set app state, hide cursor if necessary, ... */
QZ_DoActivate(this);
return current;
/* Since the blanking window covers *all* windows (even force quit) correct recovery is crucial */
ERR_NO_GL:
ERR_DOUBLEBUF: CGDisplaySwitchToMode (display_id, save_mode);
ERR_NO_SWITCH: CGReleaseAllDisplays ();
ERR_NO_CAPTURE:
ERR_NO_MATCH: if ( fade_token != kCGDisplayFadeReservationInvalidToken ) {
CGDisplayFade (fade_token, 0.5, kCGDisplayBlendSolidColor, kCGDisplayBlendNormal, 0.0, 0.0, 0.0, FALSE);
CGReleaseDisplayFadeReservation (fade_token);
}
return NULL;
}
static SDL_Surface* QZ_SetVideoWindowed (_THIS, SDL_Surface *current, int width,
int height, int *bpp, Uint32 flags)
{
unsigned int style;
NSRect contentRect;
int center_window = 1;
int origin_x, origin_y;
CGDisplayFadeReservationToken fade_token = kCGDisplayFadeReservationInvalidToken;
current->flags = 0;
current->w = width;
current->h = height;
contentRect = NSMakeRect (0, 0, width, height);
/*
Check if we should completely destroy the previous mode
- If it is fullscreen
- If it has different noframe or resizable attribute
- If it is OpenGL (since gl attributes could be different)
- If new mode is OpenGL, but previous mode wasn't
*/
if (video_set == SDL_TRUE) {
if (mode_flags & SDL_FULLSCREEN) {
/* Fade to black to hide resolution-switching flicker (and garbage
that is displayed by a destroyed OpenGL context, if applicable) */
if (CGAcquireDisplayFadeReservation (5, &fade_token) == kCGErrorSuccess) {
CGDisplayFade (fade_token, 0.3, kCGDisplayBlendNormal, kCGDisplayBlendSolidColor, 0.0, 0.0, 0.0, TRUE);
}
QZ_UnsetVideoMode (this, TRUE);
}
else if ( ((mode_flags ^ flags) & (SDL_NOFRAME|SDL_RESIZABLE)) ||
(mode_flags & SDL_OPENGL) ||
(flags & SDL_OPENGL) ) {
QZ_UnsetVideoMode (this, TRUE);
}
}
/* Sorry, QuickDraw was ripped out. */
if (getenv("SDL_NSWindowPointer") || getenv("SDL_NSQuickDrawViewPointer")) {
SDL_SetError ("Embedded QuickDraw windows are no longer supported");
if (fade_token != kCGDisplayFadeReservationInvalidToken) {
CGDisplayFade (fade_token, 0.5, kCGDisplayBlendSolidColor, kCGDisplayBlendNormal, 0.0, 0.0, 0.0, FALSE);
CGReleaseDisplayFadeReservation (fade_token);
}
return NULL;
}
/* Check if we should recreate the window */
if (qz_window == nil) {
/* Set the window style based on input flags */
if ( flags & SDL_NOFRAME ) {
style = NSBorderlessWindowMask;
current->flags |= SDL_NOFRAME;
} else {
style = NSTitledWindowMask;
style |= (NSMiniaturizableWindowMask | NSClosableWindowMask);
if ( flags & SDL_RESIZABLE ) {
style |= NSResizableWindowMask;
current->flags |= SDL_RESIZABLE;
}
}
/* Manually create a window, avoids having a nib file resource */
qz_window = [ [ SDL_QuartzWindow alloc ]
initWithContentRect:contentRect
styleMask:style
backing:NSBackingStoreBuffered
defer:NO ];
if (qz_window == nil) {
SDL_SetError ("Could not create the Cocoa window");
if (fade_token != kCGDisplayFadeReservationInvalidToken) {
CGDisplayFade (fade_token, 0.5, kCGDisplayBlendSolidColor, kCGDisplayBlendNormal, 0.0, 0.0, 0.0, FALSE);
CGReleaseDisplayFadeReservation (fade_token);
}
return NULL;
}
/*[ qz_window setReleasedWhenClosed:YES ];*/ /* no need to set this as it's the default for NSWindows */
QZ_SetCaption(this, this->wm_title, this->wm_icon);
[ qz_window setAcceptsMouseMovedEvents:YES ];
[ qz_window setViewsNeedDisplay:NO ];
if ( QZ_WindowPosition(this, &origin_x, &origin_y) ) {
/* have to flip the Y value (NSPoint is lower left corner origin) */
[ qz_window setFrameTopLeftPoint:NSMakePoint((float) origin_x, (float) (this->info.current_h - origin_y))];
center_window = 0;
} else if ( center_window ) {
[ qz_window center ];
}
[ qz_window setDelegate:
[ [ SDL_QuartzWindowDelegate alloc ] init ] ];
[ qz_window setContentView: [ [ [ SDL_QuartzView alloc ] init ] autorelease ] ];
}
/* We already have a window, just change its size */
else {
[ qz_window setContentSize:contentRect.size ];
current->flags |= (SDL_NOFRAME|SDL_RESIZABLE) & mode_flags;
[ window_view setFrameSize:contentRect.size ];
}
/* For OpenGL, we bind the context to a subview */
if ( flags & SDL_OPENGL ) {
if ( ! QZ_SetupOpenGL (this, *bpp, flags) ) {
if (fade_token != kCGDisplayFadeReservationInvalidToken) {
CGDisplayFade (fade_token, 0.5, kCGDisplayBlendSolidColor, kCGDisplayBlendNormal, 0.0, 0.0, 0.0, FALSE);
CGReleaseDisplayFadeReservation (fade_token);
}
return NULL;
}
window_view = [ [ NSView alloc ] initWithFrame:contentRect ];
[ window_view setAutoresizingMask: NSViewWidthSizable | NSViewHeightSizable ];
[ [ qz_window contentView ] addSubview:window_view ];
[ gl_context setView: window_view ];
[ window_view release ];
[ gl_context makeCurrentContext];
[ qz_window makeKeyAndOrderFront:nil ];
current->flags |= SDL_OPENGL;
}
/* For 2D, we build a CGBitmapContext */
else {
CGColorSpaceRef cgColorspace;
/* Only recreate the view if it doesn't already exist */
if (window_view == nil) {
window_view = [ [ NSView alloc ] initWithFrame:contentRect ];
[ window_view setAutoresizingMask: NSViewWidthSizable | NSViewHeightSizable ];
[ [ qz_window contentView ] addSubview:window_view ];
[ window_view release ];
[ qz_window makeKeyAndOrderFront:nil ];
}
cgColorspace = CGColorSpaceCreateDeviceRGB();
current->pitch = 4 * current->w;
current->pixels = SDL_malloc (current->h * current->pitch);
cg_context = CGBitmapContextCreate (current->pixels, current->w, current->h,
8, current->pitch, cgColorspace,
kCGImageAlphaNoneSkipFirst);
CGColorSpaceRelease (cgColorspace);
current->flags |= SDL_SWSURFACE;
current->flags |= SDL_ASYNCBLIT;
current->hwdata = (void *) cg_context;
this->UpdateRects = QZ_UpdateRects;
this->LockHWSurface = QZ_LockHWSurface;
this->UnlockHWSurface = QZ_UnlockHWSurface;
}
/* Save flags to ensure correct teardown */
mode_flags = current->flags;
/* Fade in again (asynchronously) if we came from a fullscreen mode and faded to black */
if (fade_token != kCGDisplayFadeReservationInvalidToken) {
CGDisplayFade (fade_token, 0.5, kCGDisplayBlendSolidColor, kCGDisplayBlendNormal, 0.0, 0.0, 0.0, FALSE);
CGReleaseDisplayFadeReservation (fade_token);
}
return current;
}
static SDL_Surface* QZ_SetVideoMode (_THIS, SDL_Surface *current, int width,
int height, int bpp, Uint32 flags)
{
current->flags = 0;
current->pixels = NULL;
/* Setup full screen video */
if ( flags & SDL_FULLSCREEN ) {
current = QZ_SetVideoFullScreen (this, current, width, height, bpp, flags );
if (current == NULL)
return NULL;
}
/* Setup windowed video */
else {
/* Force bpp to 32 */
bpp = 32;
current = QZ_SetVideoWindowed (this, current, width, height, &bpp, flags);
if (current == NULL)
return NULL;
}
/* Setup the new pixel format */
{
int amask = 0,
rmask = 0,
gmask = 0,
bmask = 0;
switch (bpp) {
case 16: /* (1)-5-5-5 RGB */
amask = 0;
rmask = 0x7C00;
gmask = 0x03E0;
bmask = 0x001F;
break;
case 24:
SDL_SetError ("24bpp is not available");
return NULL;
case 32: /* (8)-8-8-8 ARGB */
amask = 0x00000000;
if ( flags & SDL_FULLSCREEN )
{
rmask = 0x00FF0000;
gmask = 0x0000FF00;
bmask = 0x000000FF;
}
else
{
#if SDL_BYTEORDER == SDL_LITTLE_ENDIAN
rmask = 0x0000FF00;
gmask = 0x00FF0000;
bmask = 0xFF000000;
#else
rmask = 0x00FF0000;
gmask = 0x0000FF00;
bmask = 0x000000FF;
#endif
}
break;
}
if ( ! SDL_ReallocFormat (current, bpp,
rmask, gmask, bmask, amask ) ) {
SDL_SetError ("Couldn't reallocate pixel format");
return NULL;
}
}
/* Signal successful completion (used internally) */
video_set = SDL_TRUE;
return current;
}
static int QZ_ToggleFullScreen (_THIS, int on)
{
return 0;
}
static int QZ_SetColors (_THIS, int first_color, int num_colors,
SDL_Color *colors)
{
CGTableCount index;
CGDeviceColor color;
for (index = first_color; index < first_color+num_colors; index++) {
/* Clamp colors between 0.0 and 1.0 */
color.red = colors->r / 255.0;
color.blue = colors->b / 255.0;
color.green = colors->g / 255.0;
colors++;
CGPaletteSetColorAtIndex (palette, color, index);
}
if ( CGDisplayNoErr != CGDisplaySetPalette (display_id, palette) )
return 0;
return 1;
}
static int QZ_LockDoubleBuffer (_THIS, SDL_Surface *surface)
{
return 1;
}
static void QZ_UnlockDoubleBuffer (_THIS, SDL_Surface *surface)
{
}
/* The VBL delay is based on code by Ian R Ollmann's RezLib <iano@cco.caltech.edu> */
static AbsoluteTime QZ_SecondsToAbsolute ( double seconds )
{
union
{
UInt64 i;
Nanoseconds ns;
} temp;
temp.i = seconds * 1000000000.0;
return NanosecondsToAbsolute ( temp.ns );
}
static int QZ_ThreadFlip (_THIS)
{
Uint8 *src, *dst;
int skip, len, h;
/*
Give this thread the highest scheduling priority possible,
in the hopes that it will immediately run after the VBL delay
*/
{
pthread_t current_thread;
int policy;
struct sched_param param;
current_thread = pthread_self ();
pthread_getschedparam (current_thread, &policy, ¶m);
policy = SCHED_RR;
param.sched_priority = sched_get_priority_max (policy);
pthread_setschedparam (current_thread, policy, ¶m);
}
while (1) {
SDL_SemWait (sem1);
if (quit_thread)
return 0;
/*
* We have to add SDL_VideoSurface->offset here, since we might be a
* smaller surface in the center of the framebuffer (you asked for
* a fullscreen resolution smaller than the hardware could supply
* so SDL is centering it in a bigger resolution)...
*/
dst = (Uint8 *)CGDisplayBaseAddress (display_id) + SDL_VideoSurface->offset;
src = current_buffer + SDL_VideoSurface->offset;