SDL_QuartzVideo.m
1
2
/*
SDL - Simple DirectMedia Layer
3
Copyright (C) 1997-2009 Sam Lantinga
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
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
20
slouken@libsdl.org
22
#include "SDL_config.h"
23
24
#include "SDL_QuartzVideo.h"
25
#include "SDL_QuartzWindow.h"
27
28
29
30
31
32
33
34
35
36
37
38
/* These APIs aren't just deprecated; they're gone from the headers in the
10.7 SDK. If we're using a >= 10.7 SDK, but targeting < 10.7, then we
force these function declarations. */
#if ((MAC_OS_X_VERSION_MIN_REQUIRED < 1070) && (MAC_OS_X_VERSION_MAX_ALLOWED >= 1070))
CG_EXTERN void *CGDisplayBaseAddress(CGDirectDisplayID display)
CG_AVAILABLE_BUT_DEPRECATED(__MAC_10_0, __MAC_10_6,
__IPHONE_NA, __IPHONE_NA);
CG_EXTERN size_t CGDisplayBytesPerRow(CGDirectDisplayID display)
CG_AVAILABLE_BUT_DEPRECATED(__MAC_10_0, __MAC_10_6,
__IPHONE_NA, __IPHONE_NA);
#endif
39
#if (MAC_OS_X_VERSION_MIN_REQUIRED < 1060) /* Fixed in Snow Leopard */
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
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
57
58
59
60
61
62
63
64
65
static inline void QZ_SetFrame(NSScreen *nsscreen, NSRect frame)
{
[nsscreen setFrame:frame];
}
#else
static inline void QZ_SetFrame(NSScreen *nsscreen, NSRect frame)
{
}
#endif
67
68
69
70
71
72
73
74
75
76
@interface SDLTranslatorResponder : NSTextView
{
}
- (void) doCommandBySelector:(SEL)myselector;
@end
@implementation SDLTranslatorResponder
- (void) doCommandBySelector:(SEL) myselector {}
@end
77
78
/* absent in 10.3.9. */
CG_EXTERN CGImageRef CGBitmapContextCreateImage (CGContextRef);
79
80
81
82
83
84
85
86
87
88
89
/* 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);
90
static void QZ_UnsetVideoMode (_THIS, BOOL to_desktop);
91
92
93
94
95
96
97
98
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);
99
100
101
102
103
104
105
106
107
#if (MAC_OS_X_VERSION_MIN_REQUIRED < 1070)
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);
#endif
108
109
110
111
112
static void QZ_UpdateRects (_THIS, int num_rects, SDL_Rect *rects);
static void QZ_VideoQuit (_THIS);
static int QZ_LockHWSurface(_THIS, SDL_Surface *surface);
static void QZ_UnlockHWSurface(_THIS, SDL_Surface *surface);
113
static int QZ_AllocHWSurface(_THIS, SDL_Surface *surface);
114
static void QZ_FreeHWSurface (_THIS, SDL_Surface *surface);
115
116
117
/* Bootstrap binding, enables entry point into the driver */
VideoBootStrap QZ_bootstrap = {
118
"Quartz", "Mac OS X CoreGraphics", QZ_Available, QZ_CreateDevice
121
122
/* Disable compiler warnings we can't avoid. */
#if (defined(__GNUC__) && (__GNUC__ >= 4))
123
124
# if (MAC_OS_X_VERSION_MAX_ALLOWED <= 1070)
# pragma GCC diagnostic ignored "-Wdeprecated-declarations"
125
126
127
# endif
#endif
128
129
130
131
132
static inline BOOL IS_LION_OR_LATER(_THIS)
{
return (system_version >= 0x1070);
}
133
134
135
136
137
138
139
140
static inline BOOL IS_SNOW_LEOPARD_OR_LATER(_THIS)
{
return (system_version >= 0x1060);
}
static void QZ_ReleaseDisplayMode(_THIS, const void *moderef)
{
/* we only own these references in the 10.6+ API. */
141
#if (MAC_OS_X_VERSION_MAX_ALLOWED >= 1060)
142
if (use_new_mode_apis) {
143
144
145
146
147
148
149
150
CGDisplayModeRelease((CGDisplayModeRef) moderef);
}
#endif
}
static void QZ_ReleaseDisplayModeList(_THIS, CFArrayRef mode_list)
{
/* we only own these references in the 10.6+ API. */
151
#if (MAC_OS_X_VERSION_MAX_ALLOWED >= 1060)
152
if (use_new_mode_apis) {
153
154
155
156
157
158
CFRelease(mode_list);
}
#endif
}
159
/* Bootstrap functions */
160
161
static int QZ_Available ()
{
162
163
164
return 1;
}
165
166
static SDL_VideoDevice* QZ_CreateDevice (int device_index)
{
167
#pragma unused (device_index)
168
169
170
171
SDL_VideoDevice *device;
SDL_PrivateVideoData *hidden;
172
173
device = (SDL_VideoDevice*) SDL_malloc (sizeof (*device) );
hidden = (SDL_PrivateVideoData*) SDL_malloc (sizeof (*hidden) );
174
175
176
177
if (device == NULL || hidden == NULL)
SDL_OutOfMemory ();
178
179
SDL_memset (device, 0, sizeof (*device) );
SDL_memset (hidden, 0, sizeof (*hidden) );
181
182
183
184
185
186
device->hidden = hidden;
device->VideoInit = QZ_VideoInit;
device->ListModes = QZ_ListModes;
device->SetVideoMode = QZ_SetVideoMode;
device->ToggleFullScreen = QZ_ToggleFullScreen;
187
device->UpdateMouse = QZ_UpdateMouse;
188
device->SetColors = QZ_SetColors;
189
/* device->UpdateRects = QZ_UpdateRects; this is determined by SetVideoMode() */
190
device->VideoQuit = QZ_VideoQuit;
192
193
device->LockHWSurface = QZ_LockHWSurface;
device->UnlockHWSurface = QZ_UnlockHWSurface;
194
device->AllocHWSurface = QZ_AllocHWSurface;
195
196
197
198
199
200
201
202
203
204
205
206
device->FreeHWSurface = QZ_FreeHWSurface;
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;
208
209
210
211
212
213
214
215
216
217
218
219
220
221
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;
223
224
225
226
227
228
229
230
/*
* 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;*/
231
232
device->free = QZ_DeleteDevice;
234
235
236
return device;
}
237
238
static void QZ_DeleteDevice (SDL_VideoDevice *device)
{
239
_THIS = device;
240
241
QZ_ReleaseDisplayMode(this, save_mode);
QZ_ReleaseDisplayMode(this, mode);
242
243
SDL_free (device->hidden);
SDL_free (device);
246
247
248
249
250
251
252
static void QZ_GetModeInfo(_THIS, const void *_mode, Uint32 *w, Uint32 *h, Uint32 *bpp)
{
*w = *h = *bpp = 0;
if (_mode == NULL) {
return;
}
253
#if (MAC_OS_X_VERSION_MAX_ALLOWED >= 1060)
254
if (use_new_mode_apis) {
255
256
257
258
259
260
261
262
263
264
265
266
267
CGDisplayModeRef vidmode = (CGDisplayModeRef) _mode;
CFStringRef fmt = CGDisplayModeCopyPixelEncoding(vidmode);
*w = (Uint32) CGDisplayModeGetWidth(vidmode);
*h = (Uint32) CGDisplayModeGetHeight(vidmode);
/* we only care about the 32-bit modes... */
if (CFStringCompare(fmt, CFSTR(IO32BitDirectPixels),
kCFCompareCaseInsensitive) == kCFCompareEqualTo) {
*bpp = 32;
}
CFRelease(fmt);
271
#if (MAC_OS_X_VERSION_MIN_REQUIRED < 1060)
272
if (!use_new_mode_apis) {
273
274
275
276
277
278
279
280
281
282
283
284
285
CFDictionaryRef vidmode = (CFDictionaryRef) _mode;
CFNumberGetValue (
CFDictionaryGetValue (vidmode, kCGDisplayBitsPerPixel),
kCFNumberSInt32Type, bpp);
CFNumberGetValue (
CFDictionaryGetValue (vidmode, kCGDisplayWidth),
kCFNumberSInt32Type, w);
CFNumberGetValue (
CFDictionaryGetValue (vidmode, kCGDisplayHeight),
kCFNumberSInt32Type, h);
}
287
288
289
290
291
292
293
/* we only care about the 32-bit modes... */
if (*bpp != 32) {
*bpp = 0;
}
}
294
295
static int QZ_VideoInit (_THIS, SDL_PixelFormat *video_format)
{
296
NSRect r = NSMakeRect(0.0, 0.0, 0.0, 0.0);
297
const char *env = NULL;
298
299
300
301
if ( Gestalt(gestaltSystemVersion, &system_version) != noErr )
system_version = 0;
302
303
304
305
306
307
use_new_mode_apis = NO;
#if (MAC_OS_X_VERSION_MAX_ALLOWED >= 1060)
use_new_mode_apis = IS_SNOW_LEOPARD_OR_LATER(this);
#endif
308
309
/* Initialize the video settings; this data persists between mode switches */
display_id = kCGDirectMainDisplay;
311
312
313
314
315
316
317
318
319
320
321
322
323
#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
324
#if (MAC_OS_X_VERSION_MAX_ALLOWED >= 1060)
325
if (use_new_mode_apis) {
326
327
328
329
save_mode = CGDisplayCopyDisplayMode(display_id);
}
#endif
330
#if (MAC_OS_X_VERSION_MIN_REQUIRED < 1060)
331
if (!use_new_mode_apis) {
332
333
334
335
save_mode = CGDisplayCurrentMode(display_id);
}
#endif
336
337
338
339
340
341
#if (MAC_OS_X_VERSION_MIN_REQUIRED < 1070)
if (!IS_LION_OR_LATER(this)) {
palette = CGPaletteCreateDefaultColorPalette();
}
#endif
342
343
344
345
if (save_mode == NULL) {
SDL_SetError("Couldn't figure out current display mode.");
return -1;
}
347
/* Allow environment override of screensaver disable. */
348
env = SDL_getenv("SDL_VIDEO_ALLOW_SCREENSAVER");
349
350
351
352
353
354
355
356
357
if ( env ) {
allow_screensaver = SDL_atoi(env);
} else {
#ifdef SDL_VIDEO_DISABLE_SCREENSAVER
allow_screensaver = 0;
#else
allow_screensaver = 1;
#endif
}
359
/* Gather some information that is useful to know about the display */
360
361
QZ_GetModeInfo(this, save_mode, &device_width, &device_height, &device_bpp);
if (device_bpp == 0) {
362
QZ_ReleaseDisplayMode(this, save_mode);
363
364
365
366
save_mode = NULL;
SDL_SetError("Unsupported display mode");
return -1;
}
368
369
370
371
372
/* Determine the current screen size */
this->info.current_w = device_width;
this->info.current_h = device_height;
/* Determine the default screen depth */
373
374
video_format->BitsPerPixel = device_bpp;
375
376
/* Set misc globals */
current_grab_mode = SDL_GRAB_OFF;
377
cursor_should_be_visible = YES;
378
cursor_visible = YES;
379
current_mods = 0;
380
field_edit = [[SDLTranslatorResponder alloc] initWithFrame:r];
382
383
384
/* register for sleep notifications so wake from sleep generates SDL_VIDEOEXPOSE */
QZ_RegisterForSleepNotifications (this);
385
386
387
/* Fill in some window manager capabilities */
this->info.wm_available = 1;
388
return 0;
391
392
static SDL_Rect** QZ_ListModes (_THIS, SDL_PixelFormat *format, Uint32 flags)
{
393
CFArrayRef mode_list = NULL; /* list of available fullscreen modes */
394
CFIndex num_modes;
395
396
397
CFIndex i;
int list_size = 0;
399
400
401
/* Any windowed mode is acceptable */
if ( (flags & SDL_FULLSCREEN) == 0 )
return (SDL_Rect**)-1;
403
/* Free memory from previous call, if any */
404
if ( client_mode_list != NULL ) {
405
int i;
407
for (i = 0; client_mode_list[i] != NULL; i++)
408
SDL_free (client_mode_list[i]);
410
SDL_free (client_mode_list);
411
client_mode_list = NULL;
414
#if (MAC_OS_X_VERSION_MAX_ALLOWED >= 1060)
415
if (use_new_mode_apis) {
416
mode_list = CGDisplayCopyAllDisplayModes(display_id, NULL);
420
#if (MAC_OS_X_VERSION_MIN_REQUIRED < 1060)
421
if (!use_new_mode_apis) {
422
423
mode_list = CGDisplayAvailableModes(display_id);
}
426
427
num_modes = CFArrayGetCount (mode_list);
428
/* Build list of modes with the requested bpp */
429
for (i = 0; i < num_modes; i++) {
430
431
Uint32 width, height, bpp;
const void *onemode = CFArrayGetValueAtIndex(mode_list, i);
433
QZ_GetModeInfo(this, onemode, &width, &height, &bpp);
435
436
437
if (bpp && (bpp == format->BitsPerPixel)) {
int hasMode = SDL_FALSE;
int i;
438
439
/* Check if mode is already in the list */
440
441
442
for (i = 0; i < list_size; i++) {
if (client_mode_list[i]->w == width &&
client_mode_list[i]->h == height) {
443
444
hasMode = SDL_TRUE;
break;
447
448
449
450
451
452
453
/* Grow the list and add mode to the list */
if ( ! hasMode ) {
SDL_Rect *rect;
list_size++;
454
455
if (client_mode_list == NULL)
client_mode_list = (SDL_Rect**)
456
SDL_malloc (sizeof(*client_mode_list) * (list_size+1) );
457
458
459
else {
/* !!! FIXME: this leaks memory if SDL_realloc() fails! */
client_mode_list = (SDL_Rect**)
460
SDL_realloc (client_mode_list, sizeof(*client_mode_list) * (list_size+1));
463
rect = (SDL_Rect*) SDL_malloc (sizeof(**client_mode_list));
465
if (client_mode_list == NULL || rect == NULL) {
466
QZ_ReleaseDisplayModeList(this, mode_list);
467
468
469
470
SDL_OutOfMemory ();
return NULL;
}
471
rect->x = rect->y = 0;
472
473
474
rect->w = width;
rect->h = height;
475
476
client_mode_list[list_size-1] = rect;
client_mode_list[list_size] = NULL;
481
QZ_ReleaseDisplayModeList(this, mode_list);
483
484
485
486
487
/* 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++) {
489
int area1, area2;
490
491
area1 = client_mode_list[j]->w * client_mode_list[j]->h;
area2 = client_mode_list[j+1]->w * client_mode_list[j+1]->h;
493
if (area1 < area2) {
494
495
496
SDL_Rect *tmp = client_mode_list[j];
client_mode_list[j] = client_mode_list[j+1];
client_mode_list[j+1] = tmp;
497
498
499
500
}
}
}
}
502
return client_mode_list;
505
506
507
508
509
510
511
512
513
514
515
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;
}
516
517
static CGError QZ_SetDisplayMode(_THIS, const void *vidmode)
{
518
#if (MAC_OS_X_VERSION_MAX_ALLOWED >= 1060)
519
if (use_new_mode_apis) {
520
return CGDisplaySetDisplayMode(display_id, (CGDisplayModeRef) vidmode, NULL);
524
#if (MAC_OS_X_VERSION_MIN_REQUIRED < 1060)
525
if (!use_new_mode_apis) {
526
527
return CGDisplaySwitchToMode(display_id, (CFDictionaryRef) vidmode);
}
529
530
531
532
533
534
535
536
537
return kCGErrorFailure;
}
static inline CGError QZ_RestoreDisplayMode(_THIS)
{
return QZ_SetDisplayMode(this, save_mode);
}
538
539
static void QZ_UnsetVideoMode (_THIS, BOOL to_desktop)
{
540
/* Reset values that may change between switches */
541
this->info.blit_fill = 0;
542
543
544
545
this->FillHWRect = NULL;
this->UpdateRects = NULL;
this->LockHWSurface = NULL;
this->UnlockHWSurface = NULL;
547
548
549
550
551
552
if (cg_context) {
CGContextFlush (cg_context);
CGContextRelease (cg_context);
cg_context = nil;
}
553
/* Release fullscreen resources */
554
if ( mode_flags & SDL_FULLSCREEN ) {
556
NSRect screen_rect;
558
559
560
561
562
563
564
565
566
567
568
569
/* Release double buffer stuff */
#if (MAC_OS_X_VERSION_MIN_REQUIRED < 1070)
if ( !IS_LION_OR_LATER(this) && (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]);
}
#endif
572
573
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] */
577
578
579
580
581
582
/*
Release the OpenGL context
Do this first to avoid trash on the display before fade
*/
if ( mode_flags & SDL_OPENGL ) {
583
QZ_TearDownOpenGL (this);
584
#ifdef __powerpc__ /* we only use this for pre-10.3 compatibility. */
585
CGLSetFullScreen (NULL);
588
if (to_desktop) {
589
590
591
592
593
594
595
596
597
598
599
/* !!! FIXME: keep an eye on this.
* This API is officially unavailable for 64-bit binaries.
* It happens to work, as of 10.7, but we're going to see if
* we can just simply do without it on newer OSes...
*/
#if (MAC_OS_X_VERSION_MIN_REQUIRED < 1070) && !defined(__LP64__)
if ( !IS_LION_OR_LATER(this) ) {
ShowMenuBar ();
}
#endif
600
/* Restore original screen resolution/bpp */
601
QZ_RestoreDisplayMode (this);
602
603
604
605
606
607
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);
608
QZ_SetFrame([ NSScreen mainScreen ], screen_rect);
611
/* Release window mode resources */
612
else {
613
614
615
id delegate = [ qz_window delegate ];
[ qz_window close ]; /* includes release because [qz_window isReleasedWhenClosed] */
if (delegate != nil) [ delegate release ];
616
qz_window = nil;
617
window_view = nil;
619
620
621
/* Release the OpenGL context */
if ( mode_flags & SDL_OPENGL )
QZ_TearDownOpenGL (this);
624
625
/* Signal successful teardown */
video_set = SDL_FALSE;
628
629
630
631
632
633
634
635
static const void *QZ_BestMode(_THIS, const int bpp, const int w, const int h)
{
const void *best = NULL;
if (bpp == 0) {
return NULL;
}
636
#if (MAC_OS_X_VERSION_MAX_ALLOWED >= 1060)
637
if (use_new_mode_apis) {
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
/* apparently, we have to roll our own now. :/ */
CFArrayRef mode_list = CGDisplayCopyAllDisplayModes(display_id, NULL);
if (mode_list != NULL) {
const CFIndex num_modes = CFArrayGetCount(mode_list);
CFIndex i;
for (i = 0; i < num_modes; i++) {
const void *vidmode = CFArrayGetValueAtIndex(mode_list, i);
Uint32 thisw, thish, thisbpp;
QZ_GetModeInfo(this, vidmode, &thisw, &thish, &thisbpp);
/* We only care about exact matches, apparently. */
if ((thisbpp == bpp) && (thisw == w) && (thish == h)) {
best = vidmode;
break; /* got it! */
}
}
CGDisplayModeRetain((CGDisplayModeRef) best); /* NULL is ok */
CFRelease(mode_list);
}
660
#if (MAC_OS_X_VERSION_MIN_REQUIRED < 1060)
661
if (!use_new_mode_apis) {
662
663
664
665
666
667
boolean_t exact = 0;
best = CGDisplayBestModeForParameters(display_id, bpp, w, h, &exact);
if (!exact) {
best = NULL;
}
}
668
669
#endif
670
671
672
return best;
}
673
static SDL_Surface* QZ_SetVideoFullScreen (_THIS, SDL_Surface *current, int width,
674
675
int height, int bpp, Uint32 flags)
{
676
const BOOL isLion = IS_LION_OR_LATER(this);
677
NSRect screen_rect;
678
CGError error;
680
CGDisplayFadeReservationToken fade_token = kCGDisplayFadeReservationInvalidToken;
682
683
684
685
current->flags = SDL_FULLSCREEN;
current->w = width;
current->h = height;
686
687
contentRect = NSMakeRect (0, 0, width, height);
688
689
690
691
692
/* 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);
}
694
695
/* Destroy any previous mode */
if (video_set == SDL_TRUE)
696
QZ_UnsetVideoMode (this, FALSE);
698
699
700
701
702
703
/* 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;
}
704
QZ_ReleaseDisplayMode(this, mode); /* NULL is okay. */
706
/* See if requested mode exists */
707
mode = QZ_BestMode(this, bpp, width, height);
709
/* Require an exact match to the requested mode */
710
if ( mode == NULL ) {
711
SDL_SetError ("Failed to find display resolution: %dx%dx%d", width, height, bpp);
712
713
goto ERR_NO_MATCH;
}
715
/* Put up the blanking window (a window above all other windows) */
716
717
718
719
720
721
if (getenv ("SDL_SINGLEDISPLAY"))
error = CGDisplayCapture (display_id);
else
error = CGCaptureAllDisplays ();
if ( CGDisplayNoErr != error ) {
722
723
724
SDL_SetError ("Failed capturing display");
goto ERR_NO_CAPTURE;
}
726
/* Do the physical switch */
727
if ( CGDisplayNoErr != QZ_SetDisplayMode(this, mode) ) {
728
729
730
SDL_SetError ("Failed switching display resolution");
goto ERR_NO_SWITCH;
}
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
#if (MAC_OS_X_VERSION_MIN_REQUIRED < 1070)
if ( !isLion ) {
current->pixels = (Uint32*) CGDisplayBaseAddress (display_id);
current->pitch = CGDisplayBytesPerRow (display_id);
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;
}
#endif
786
787
788
789
790
/* 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
791
styleMask:(isLion ? NSBorderlessWindowMask : 0)
792
793
794
795
796
797
backing:NSBackingStoreBuffered
defer:NO ];
if (qz_window != nil) {
[ qz_window setAcceptsMouseMovedEvents:YES ];
[ qz_window setViewsNeedDisplay:NO ];
798
799
800
if (isLion) {
[ qz_window setContentView: [ [ [ SDL_QuartzView alloc ] init ] autorelease ] ];
}
805
806
807
[ qz_window setContentSize:contentRect.size ];
current->flags |= (SDL_NOFRAME|SDL_RESIZABLE) & mode_flags;
[ window_view setFrameSize:contentRect.size ];
810
811
812
813
/* Setup OpenGL for a fullscreen context */
if (flags & SDL_OPENGL) {
if ( ! QZ_SetupOpenGL (this, bpp, flags) ) {
814
goto ERR_NO_GL;
817
818
819
820
/* 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 ];
821
822
823
824
825
if ( isLion ) {
[ window_view setAutoresizingMask: NSViewWidthSizable | NSViewHeightSizable ];
}
[ [ qz_window contentView ] addSubview:window_view ];
827
828
829
/* Apparently Lion checks some version flag set by the linker
and changes API behavior. Annoying. */
#if (MAC_OS_X_VERSION_MAX_ALLOWED < 1070)
830
831
832
833
834
835
836
{
CGLError err;
CGLContextObj ctx;
[ qz_window setLevel:NSNormalWindowLevel ];
ctx = QZ_GetCGLContextObj (gl_context);
err = CGLSetFullScreen (ctx);
838
839
840
841
if (err) {
SDL_SetError ("Error setting OpenGL fullscreen: %s", CGLErrorString(err));
goto ERR_NO_GL;
}
843
844
845
846
847
#else
[ qz_window setLevel:CGShieldingWindowLevel() ];
[ gl_context setView: window_view ];
[ gl_context setFullScreen ];
[ gl_context update ];
848
849
850
#endif
[ window_view release ];
851
[ gl_context makeCurrentContext];
852
853
854
855
glClear (GL_COLOR_BUFFER_BIT);
[ gl_context flushBuffer ];
857
current->flags |= SDL_OPENGL;
858
} else if (isLion) { /* For 2D, we build a CGBitmapContext */
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
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 ];
}
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;
/* Force this window to draw above _everything_. */
[ qz_window setLevel:CGShieldingWindowLevel() ];
884
885
886
887
this->UpdateRects = QZ_UpdateRects;
this->LockHWSurface = QZ_LockHWSurface;
this->UnlockHWSurface = QZ_UnlockHWSurface;
890
891
892
893
894
if (isLion) {
[ qz_window setHasShadow:NO];
[ qz_window setOpaque:YES];
[ qz_window makeKeyAndOrderFront:nil ];
}
896
897
898
899
900
901
902
903
904
905
906
/* !!! FIXME: keep an eye on this.
* This API is officially unavailable for 64-bit binaries.
* It happens to work, as of 10.7, but we're going to see if
* we can just simply do without it on newer OSes...
*/
#if (MAC_OS_X_VERSION_MIN_REQUIRED < 1070) && !defined(__LP64__)
if ( !IS_LION_OR_LATER(this) ) {
/* If we don't hide menu bar, it will get events and interrupt the program */
HideMenuBar ();
}
#endif
908
909
910
911
912
/* 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);
}
915
916
917
918
919
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.
920
921
*/
screen_rect = NSMakeRect(0,0,width,height);
922
QZ_SetFrame([ NSScreen mainScreen ], screen_rect);
924
925
/* Save the flags to ensure correct tear-down */
mode_flags = current->flags;
930
931
return current;
932
/* Since the blanking window covers *all* windows (even force quit) correct recovery is crucial */
933
934
ERR_NO_GL:
ERR_DOUBLEBUF: QZ_RestoreDisplayMode(this);
935
ERR_NO_SWITCH: CGReleaseAllDisplays ();
936
937
938
939
940
941
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;
942
943
944
}
static SDL_Surface* QZ_SetVideoWindowed (_THIS, SDL_Surface *current, int width,
945
946
int height, int *bpp, Uint32 flags)
{
947
unsigned int style;
948
NSRect contentRect;
949
950
int center_window = 1;
int origin_x, origin_y;
951
CGDisplayFadeReservationToken fade_token = kCGDisplayFadeReservationInvalidToken;
953
954
current->flags = 0;
current->w = width;
955
current->h = height;
956
957
contentRect = NSMakeRect (0, 0, width, height);
959
960
961
962
963
964
965
/*
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
*/
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
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);
}
}
982
983
984
985
986
987
/* 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);
989
return NULL;
992
993
994
995
996
997
998
999
1000
/* 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;