/
SDL_QuartzVideo.m
1620 lines (1236 loc) · 51.1 KB
1
2
/*
SDL - Simple DirectMedia Layer
3
Copyright (C) 1997-2003 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
21
22
23
*/
#include "SDL_QuartzVideo.h"
24
#include "SDL_QuartzWindow.h"
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
/*
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
/*
Structure for rez switch gamma fades
We can hide the monitor flicker by setting the gamma tables to 0
*/
#define QZ_GAMMA_TABLE_SIZE 256
typedef struct {
CGGammaValue red[QZ_GAMMA_TABLE_SIZE];
CGGammaValue green[QZ_GAMMA_TABLE_SIZE];
CGGammaValue blue[QZ_GAMMA_TABLE_SIZE];
} SDL_QuartzGammaTable;
/* 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);
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 int QZ_LockWindow (_THIS, SDL_Surface *surface);
static void QZ_UnlockWindow (_THIS, SDL_Surface *surface);
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);
98
static int QZ_AllocHWSurface(_THIS, SDL_Surface *surface);
99
100
static void QZ_FreeHWSurface (_THIS, SDL_Surface *surface);
/* static int QZ_FlipHWSurface (_THIS, SDL_Surface *surface); */
101
102
103
/* Bootstrap binding, enables entry point into the driver */
VideoBootStrap QZ_bootstrap = {
104
"Quartz", "Mac OS X CoreGraphics", QZ_Available, QZ_CreateDevice
105
106
};
107
108
109
110
111
112
113
114
/* Bootstrap functions */
static int QZ_Available () {
return 1;
}
static SDL_VideoDevice* QZ_CreateDevice (int device_index) {
115
#pragma unused (device_index)
116
117
118
119
120
121
122
123
124
125
126
127
SDL_VideoDevice *device;
SDL_PrivateVideoData *hidden;
device = (SDL_VideoDevice*) malloc (sizeof (*device) );
hidden = (SDL_PrivateVideoData*) malloc (sizeof (*hidden) );
if (device == NULL || hidden == NULL)
SDL_OutOfMemory ();
memset (device, 0, sizeof (*device) );
memset (hidden, 0, sizeof (*hidden) );
128
129
130
131
132
133
134
135
136
137
device->hidden = hidden;
device->VideoInit = QZ_VideoInit;
device->ListModes = QZ_ListModes;
device->SetVideoMode = QZ_SetVideoMode;
device->ToggleFullScreen = QZ_ToggleFullScreen;
device->SetColors = QZ_SetColors;
/* device->UpdateRects = QZ_UpdateRects; this is determined by SetVideoMode() */
device->VideoQuit = QZ_VideoQuit;
138
139
140
device->LockHWSurface = QZ_LockHWSurface;
device->UnlockHWSurface = QZ_UnlockHWSurface;
141
device->AllocHWSurface = QZ_AllocHWSurface;
142
143
144
145
146
147
148
149
150
151
152
153
154
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;
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
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;
170
171
172
173
device->CreateYUVOverlay = QZ_CreateYUVOverlay;
device->free = QZ_DeleteDevice;
174
175
176
177
178
179
180
181
182
183
184
185
return device;
}
static void QZ_DeleteDevice (SDL_VideoDevice *device) {
free (device->hidden);
free (device);
}
static int QZ_VideoInit (_THIS, SDL_PixelFormat *video_format) {
186
187
188
189
190
/* Initialize the video settings; this data persists between mode switches */
display_id = kCGDirectMainDisplay;
save_mode = CGDisplayCurrentMode (display_id);
mode_list = CGDisplayAvailableModes (display_id);
palette = CGPaletteCreateDefaultColorPalette ();
191
192
193
194
/* Gather some information that is useful to know about the display */
CFNumberGetValue (CFDictionaryGetValue (save_mode, kCGDisplayBitsPerPixel),
kCFNumberSInt32Type, &device_bpp);
195
196
197
198
199
200
201
202
203
CFNumberGetValue (CFDictionaryGetValue (save_mode, kCGDisplayWidth),
kCFNumberSInt32Type, &device_width);
CFNumberGetValue (CFDictionaryGetValue (save_mode, kCGDisplayHeight),
kCFNumberSInt32Type, &device_height);
video_format->BitsPerPixel = device_bpp;
204
205
/* Set misc globals */
current_grab_mode = SDL_GRAB_OFF;
206
cursor_should_be_visible = YES;
207
cursor_visible = YES;
208
current_mods = 0;
209
210
211
if ( Gestalt(gestaltSystemVersion, &system_version) != noErr )
system_version = 0;
212
213
214
215
/* register for sleep notifications so wake from sleep generates SDL_VIDEOEXPOSE */
QZ_RegisterForSleepNotifications (this);
216
return 0;
217
218
219
}
static SDL_Rect** QZ_ListModes (_THIS, SDL_PixelFormat *format, Uint32 flags) {
220
221
CFIndex num_modes;
222
223
224
CFIndex i;
int list_size = 0;
225
226
227
228
/* Any windowed mode is acceptable */
if ( (flags & SDL_FULLSCREEN) == 0 )
return (SDL_Rect**)-1;
229
230
/* Free memory from previous call, if any */
231
if ( client_mode_list != NULL ) {
232
233
int i;
234
235
236
for (i = 0; client_mode_list[i] != NULL; i++)
free (client_mode_list[i]);
237
238
239
free (client_mode_list);
client_mode_list = NULL;
240
}
241
242
243
num_modes = CFArrayGetCount (mode_list);
244
/* Build list of modes with the requested bpp */
245
for (i = 0; i < num_modes; i++) {
246
247
248
CFDictionaryRef onemode;
CFNumberRef number;
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
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++) {
274
275
if (client_mode_list[i]->w == width &&
client_mode_list[i]->h == height) {
276
277
278
hasMode = SDL_TRUE;
break;
}
279
280
}
}
281
282
283
284
285
286
287
288
/* Grow the list and add mode to the list */
if ( ! hasMode ) {
SDL_Rect *rect;
list_size++;
289
290
291
if (client_mode_list == NULL)
client_mode_list = (SDL_Rect**)
malloc (sizeof(*client_mode_list) * (list_size+1) );
292
else
293
294
client_mode_list = (SDL_Rect**)
realloc (client_mode_list, sizeof(*client_mode_list) * (list_size+1));
295
296
rect = (SDL_Rect*) malloc (sizeof(**client_mode_list));
297
298
if (client_mode_list == NULL || rect == NULL) {
299
300
301
302
303
304
305
SDL_OutOfMemory ();
return NULL;
}
rect->w = width;
rect->h = height;
306
307
client_mode_list[list_size-1] = rect;
client_mode_list[list_size] = NULL;
308
}
309
310
}
}
311
312
313
314
315
316
/* 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++) {
317
318
int area1, area2;
319
320
area1 = client_mode_list[j]->w * client_mode_list[j]->h;
area2 = client_mode_list[j+1]->w * client_mode_list[j+1]->h;
321
322
if (area1 < area2) {
323
324
325
SDL_Rect *tmp = client_mode_list[j];
client_mode_list[j] = client_mode_list[j+1];
client_mode_list[j+1] = tmp;
326
327
328
329
}
}
}
}
330
return client_mode_list;
331
332
}
333
334
335
336
337
338
339
340
341
342
343
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;
}
344
345
346
347
348
/*
Gamma functions to try to hide the flash from a rez switch
Fade the display from normal to black
Save gamma tables for fade back to normal
*/
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
static UInt32 QZ_FadeGammaOut (_THIS, SDL_QuartzGammaTable *table) {
CGGammaValue redTable[QZ_GAMMA_TABLE_SIZE],
greenTable[QZ_GAMMA_TABLE_SIZE],
blueTable[QZ_GAMMA_TABLE_SIZE];
float percent;
int j;
int actual;
if ( (CGDisplayNoErr != CGGetDisplayTransferByTable
(display_id, QZ_GAMMA_TABLE_SIZE,
table->red, table->green, table->blue, &actual)) ||
actual != QZ_GAMMA_TABLE_SIZE) {
return 1;
}
memcpy (redTable, table->red, sizeof(redTable));
memcpy (greenTable, table->green, sizeof(greenTable));
memcpy (blueTable, table->blue, sizeof(greenTable));
for (percent = 1.0; percent >= 0.0; percent -= 0.01) {
for (j = 0; j < QZ_GAMMA_TABLE_SIZE; j++) {
redTable[j] = redTable[j] * percent;
greenTable[j] = greenTable[j] * percent;
blueTable[j] = blueTable[j] * percent;
}
if (CGDisplayNoErr != CGSetDisplayTransferByTable
(display_id, QZ_GAMMA_TABLE_SIZE,
redTable, greenTable, blueTable)) {
CGDisplayRestoreColorSyncSettings();
return 1;
}
SDL_Delay (10);
}
return 0;
}
394
395
396
397
/*
Fade the display from black to normal
Restore previously saved gamma values
*/
398
399
400
static UInt32 QZ_FadeGammaIn (_THIS, SDL_QuartzGammaTable *table) {
CGGammaValue redTable[QZ_GAMMA_TABLE_SIZE],
401
402
greenTable[QZ_GAMMA_TABLE_SIZE],
blueTable[QZ_GAMMA_TABLE_SIZE];
403
404
405
406
407
408
409
float percent;
int j;
memset (redTable, 0, sizeof(redTable));
memset (greenTable, 0, sizeof(greenTable));
memset (blueTable, 0, sizeof(greenTable));
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
for (percent = 0.0; percent <= 1.0; percent += 0.01) {
for (j = 0; j < QZ_GAMMA_TABLE_SIZE; j++) {
redTable[j] = table->red[j] * percent;
greenTable[j] = table->green[j] * percent;
blueTable[j] = table->blue[j] * percent;
}
if (CGDisplayNoErr != CGSetDisplayTransferByTable
(display_id, QZ_GAMMA_TABLE_SIZE,
redTable, greenTable, blueTable)) {
CGDisplayRestoreColorSyncSettings();
return 1;
}
SDL_Delay (10);
}
return 0;
}
434
435
436
static void QZ_UnsetVideoMode (_THIS) {
/* Reset values that may change between switches */
437
438
439
440
441
442
this->info.blit_fill = 0;
this->FillHWRect = NULL;
this->UpdateRects = NULL;
this->LockHWSurface = NULL;
this->UnlockHWSurface = NULL;
443
/* Release fullscreen resources */
444
if ( mode_flags & SDL_FULLSCREEN ) {
445
446
447
SDL_QuartzGammaTable gamma_table;
int gamma_error;
448
449
NSRect screen_rect;
450
451
gamma_error = QZ_FadeGammaOut (this, &gamma_table);
452
453
454
455
456
457
458
459
460
461
/* Release double buffer stuff */
if ( mode_flags & (SDL_HWSURFACE|SDL_DOUBLEBUF)) {
quit_thread = YES;
SDL_SemPost (sem1);
SDL_WaitThread (thread, NULL);
SDL_DestroySemaphore (sem1);
SDL_DestroySemaphore (sem2);
free (sw_buffers[0]);
}
462
463
464
465
466
467
/*
Release the OpenGL context
Do this first to avoid trash on the display before fade
*/
if ( mode_flags & SDL_OPENGL ) {
468
QZ_TearDownOpenGL (this);
469
470
471
CGLSetFullScreen (NULL);
}
472
/* Restore original screen resolution/bpp */
473
CGDisplaySwitchToMode (display_id, save_mode);
474
CGReleaseAllDisplays ();
475
ShowMenuBar ();
476
/*
477
478
Reset the main screen's rectangle
See comment in QZ_SetVideoFullscreen for why we do this
479
480
481
482
*/
screen_rect = NSMakeRect(0,0,device_width,device_height);
[ [ NSScreen mainScreen ] setFrame:screen_rect ];
483
484
if (! gamma_error)
QZ_FadeGammaIn (this, &gamma_table);
485
}
486
/* Release window mode resources */
487
else {
488
489
[ qz_window close ];
490
qz_window = nil;
491
492
window_view = nil;
493
494
495
/* Release the OpenGL context */
if ( mode_flags & SDL_OPENGL )
QZ_TearDownOpenGL (this);
496
}
497
498
499
/* Signal successful teardown */
video_set = SDL_FALSE;
500
501
502
503
504
}
static SDL_Surface* QZ_SetVideoFullScreen (_THIS, SDL_Surface *current, int width,
int height, int bpp, Uint32 flags) {
int exact_match;
505
506
int gamma_error;
SDL_QuartzGammaTable gamma_table;
507
NSRect screen_rect;
508
CGError error;
509
510
511
512
513
/* Destroy any previous mode */
if (video_set == SDL_TRUE)
QZ_UnsetVideoMode (this);
514
/* See if requested mode exists */
515
516
517
mode = CGDisplayBestModeForParameters (display_id, bpp, width,
height, &exact_match);
518
519
/* Require an exact match to the requested mode */
if ( ! exact_match ) {
520
SDL_SetError ("Failed to find display resolution: %dx%dx%d", width, height, bpp);
521
522
goto ERR_NO_MATCH;
}
523
524
525
526
/* Fade display to zero gamma */
gamma_error = QZ_FadeGammaOut (this, &gamma_table);
527
/* Put up the blanking window (a window above all other windows) */
528
529
530
531
532
533
if (getenv ("SDL_SINGLEDISPLAY"))
error = CGDisplayCapture (display_id);
else
error = CGCaptureAllDisplays ();
if ( CGDisplayNoErr != error ) {
534
535
536
SDL_SetError ("Failed capturing display");
goto ERR_NO_CAPTURE;
}
537
538
539
540
541
542
/* Do the physical switch */
if ( CGDisplayNoErr != CGDisplaySwitchToMode (display_id, mode) ) {
SDL_SetError ("Failed switching display resolution");
goto ERR_NO_SWITCH;
}
543
544
545
546
current->pixels = (Uint32*) CGDisplayBaseAddress (display_id);
current->pitch = CGDisplayBytesPerRow (display_id);
547
current->flags = 0;
548
549
current->w = width;
current->h = height;
550
current->flags |= SDL_FULLSCREEN;
551
current->flags |= SDL_HWSURFACE;
552
553
554
555
556
current->flags |= SDL_PREALLOC;
this->UpdateRects = QZ_DirectUpdate;
this->LockHWSurface = QZ_LockHWSurface;
this->UnlockHWSurface = QZ_UnlockHWSurface;
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
/* 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 = 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);
592
}
593
594
595
if ( CGDisplayCanSetPalette (display_id) )
current->flags |= SDL_HWPALETTE;
596
597
598
599
600
601
/* Setup OpenGL for a fullscreen context */
if (flags & SDL_OPENGL) {
CGLError err;
CGLContextObj ctx;
602
603
if ( ! QZ_SetupOpenGL (this, bpp, flags) ) {
604
goto ERR_NO_GL;
605
}
606
607
608
ctx = [ gl_context cglContext ];
err = CGLSetFullScreen (ctx);
609
610
if (err) {
611
SDL_SetError ("Error setting OpenGL fullscreen: %s", CGLErrorString(err));
612
613
goto ERR_NO_GL;
}
614
615
[ gl_context makeCurrentContext];
616
617
618
619
glClear (GL_COLOR_BUFFER_BIT);
[ gl_context flushBuffer ];
620
621
622
623
624
625
current->flags |= SDL_OPENGL;
}
/* If we don't hide menu bar, it will get events and interrupt the program */
HideMenuBar ();
626
627
628
629
/* Fade the display to original gamma */
if (! gamma_error )
QZ_FadeGammaIn (this, &gamma_table);
630
631
/*
632
633
634
635
636
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.
637
638
639
640
*/
screen_rect = NSMakeRect(0,0,width,height);
[ [ NSScreen mainScreen ] setFrame:screen_rect ];
641
642
/* Save the flags to ensure correct tear-down */
mode_flags = current->flags;
643
644
645
646
/* we're fullscreen, so flag all input states... */
SDL_PrivateAppActive(1, SDL_APPMOUSEFOCUS | SDL_APPINPUTFOCUS | SDL_APPACTIVE);
647
648
return current;
649
/* Since the blanking window covers *all* windows (even force quit) correct recovery is crucial */
650
651
652
ERR_NO_GL:
ERR_DOUBLEBUF: CGDisplaySwitchToMode (display_id, save_mode);
ERR_NO_SWITCH: CGReleaseAllDisplays ();
653
ERR_NO_CAPTURE: if (!gamma_error) { QZ_FadeGammaIn (this, &gamma_table); }
654
ERR_NO_MATCH: return NULL;
655
656
657
}
static SDL_Surface* QZ_SetVideoWindowed (_THIS, SDL_Surface *current, int width,
658
int height, int bpp, Uint32 flags) {
659
unsigned int style;
660
NSRect contentRect;
661
BOOL isCustom = NO;
662
663
int center_window = 1;
int origin_x, origin_y;
664
665
666
current->flags = 0;
current->w = width;
667
current->h = height;
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
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) ||
((mode_flags ^ flags) & (SDL_NOFRAME|SDL_RESIZABLE)) ||
(mode_flags & SDL_OPENGL) ||
(flags & SDL_OPENGL) )
QZ_UnsetVideoMode (this);
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
/* Check for user-specified window and view */
{
char *windowPtrString = getenv ("SDL_NSWindowPointer");
char *viewPtrString = getenv ("SDL_NSQuickDrawViewPointer");
if (windowPtrString && viewPtrString) {
/* Release any previous window */
if ( qz_window ) {
[ qz_window release ];
qz_window = nil;
}
qz_window = (NSWindow*)atoi(windowPtrString);
window_view = (NSQuickDrawView*)atoi(viewPtrString);
isCustom = YES;
/*
Retain reference to window because we
might release it in QZ_UnsetVideoMode
*/
[ qz_window retain ];
style = [ qz_window styleMask ];
/* Check resizability */
if ( style & NSResizableWindowMask )
current->flags |= SDL_RESIZABLE;
/* Check frame */
if ( style & NSBorderlessWindowMask )
current->flags |= SDL_NOFRAME;
}
}
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
/* 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;
}
}
735
736
737
738
739
740
if ( QZ_WindowPosition(this, &origin_x, &origin_y) ) {
center_window = 0;
contentRect.origin.x = (float)origin_x;
contentRect.origin.y = (float)origin_y;
}
741
742
743
744
745
746
747
748
749
750
751
752
/* 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");
return NULL;
}
753
//[ qz_window setReleasedWhenClosed:YES ];
754
755
756
QZ_SetCaption(this, this->wm_title, this->wm_icon);
[ qz_window setAcceptsMouseMovedEvents:YES ];
[ qz_window setViewsNeedDisplay:NO ];
757
758
759
if ( center_window ) {
[ qz_window center ];
}
760
761
762
763
764
765
[ qz_window setDelegate:
[ [ [ SDL_QuartzWindowDelegate alloc ] init ] autorelease ] ];
}
/* We already have a window, just change its size */
else {
766
767
768
if (!isCustom) {
[ qz_window setContentSize:contentRect.size ];
current->flags |= (SDL_NOFRAME|SDL_RESIZABLE) & mode_flags;
769
[ window_view setFrameSize:contentRect.size ];
770
}
771
}
772
773
/* For OpenGL, we bind the context to a subview */
774
if ( flags & SDL_OPENGL ) {
775
776
777
778
if ( ! QZ_SetupOpenGL (this, bpp, flags) ) {
return NULL;
}
779
780
window_view = [ [ NSView alloc ] initWithFrame:contentRect ];
781
[ window_view setAutoresizingMask: NSViewWidthSizable | NSViewHeightSizable ];
782
783
784
[ [ qz_window contentView ] addSubview:window_view ];
[ gl_context setView: window_view ];
[ window_view release ];
785
[ gl_context makeCurrentContext];
786
[ qz_window makeKeyAndOrderFront:nil ];
787
788
current->flags |= SDL_OPENGL;
}
789
/* For 2D, we set the subview to an NSQuickDrawView */
790
else {
791
792
793
794
/* Only recreate the view if it doesn't already exist */
if (window_view == nil) {
795
window_view = [ [ NSQuickDrawView alloc ] initWithFrame:contentRect ];
796
[ window_view setAutoresizingMask: NSViewWidthSizable | NSViewHeightSizable ];
797
798
799
800
801
[ [ qz_window contentView ] addSubview:window_view ];
[ window_view release ];
[ qz_window makeKeyAndOrderFront:nil ];
}
802
803
804
LockPortBits ( [ window_view qdPort ] );
current->pixels = GetPixBaseAddr ( GetPortPixMap ( [ window_view qdPort ] ) );
current->pitch = GetPixRowBytes ( GetPortPixMap ( [ window_view qdPort ] ) );
805
UnlockPortBits ( [ window_view qdPort ] );
806
807
808
current->flags |= SDL_SWSURFACE;
current->flags |= SDL_PREALLOC;
809
810
current->flags |= SDL_ASYNCBLIT;
811
812
813
814
815
816
817
818
819
820
821
822
/*
current->pixels now points to the window's pixels
We want it to point to the *view's* pixels
*/
{
int vOffset = [ qz_window frame ].size.height -
[ window_view frame ].size.height - [ window_view frame ].origin.y;
int hOffset = [ window_view frame ].origin.x;
current->pixels += (vOffset * current->pitch) + hOffset * (device_bpp/8);
}
823
824
825
this->UpdateRects = QZ_UpdateRects;
this->LockHWSurface = QZ_LockWindow;
this->UnlockHWSurface = QZ_UnlockWindow;
826
}
827
828
829
/* Save flags to ensure correct teardown */
mode_flags = current->flags;
830
831
832
833
return current;
}
834
835
static SDL_Surface* QZ_SetVideoMode (_THIS, SDL_Surface *current, int width,
int height, int bpp, Uint32 flags) {
836
837
current->flags = 0;
838
current->pixels = NULL;
839
840
841
842
843
844
845
846
847
848
/* 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 the device's bpp */
849
bpp = device_bpp;
850
851
852
853
current = QZ_SetVideoWindowed (this, current, width, height, bpp, flags);
if (current == NULL)
return NULL;
}
854
855
856
/* Setup the new pixel format */
{
857
858
859
860
861
int amask = 0,
rmask = 0,
gmask = 0,
bmask = 0;
862
863
switch (bpp) {
case 16: /* (1)-5-5-5 RGB */
864
amask = 0;
865
866
867
rmask = 0x7C00;
gmask = 0x03E0;
bmask = 0x001F;
868
869
870
871
872
break;
case 24:
SDL_SetError ("24bpp is not available");
return NULL;
case 32: /* (8)-8-8-8 ARGB */
873
amask = 0x00000000;
874
875
876
877
878
rmask = 0x00FF0000;
gmask = 0x0000FF00;
bmask = 0x000000FF;
break;
}
879
880
881
if ( ! SDL_ReallocFormat (current, bpp,
rmask, gmask, bmask, amask ) ) {
882
883
884
SDL_SetError ("Couldn't reallocate pixel format");
return NULL;
}
885
}
886
887
/* Signal successful completion (used internally) */
888
video_set = SDL_TRUE;
889
890
891
892
return current;
}
893
static int QZ_ToggleFullScreen (_THIS, int on) {
894
return 0;
895
896
}
897
898
static int QZ_SetColors (_THIS, int first_color, int num_colors,
SDL_Color *colors) {
899
900
901
CGTableCount index;
CGDeviceColor color;
902
903
for (index = first_color; index < first_color+num_colors; index++) {
904
905
906
907
908
/* 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;
909
910
colors++;
911
912
913
CGPaletteSetColorAtIndex (palette, color, index);
}
914
915
916
if ( CGDisplayNoErr != CGDisplaySetPalette (display_id, palette) )
return 0;
917
918
919
920
return 1;
}
921
922
923
924
925
926
927
928
929
930
931
932
933
934
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
{
935
UInt64 i;
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
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;
dst = CGDisplayBaseAddress (display_id);
src = current_buffer;
len = SDL_VideoSurface->w * SDL_VideoSurface->format->BytesPerPixel;
h = SDL_VideoSurface->h;
skip = SDL_VideoSurface->pitch;
/* Wait for the VBL to occur (estimated since we don't have a hardware interrupt) */
{
/* The VBL delay is based on Ian Ollmann's RezLib <iano@cco.caltech.edu> */
double refreshRate;
double linesPerSecond;
double target;
double position;
double adjustment;
AbsoluteTime nextTime;
CFNumberRef refreshRateCFNumber;
refreshRateCFNumber = CFDictionaryGetValue (mode, kCGDisplayRefreshRate);
if ( NULL == refreshRateCFNumber ) {
SDL_SetError ("Mode has no refresh rate");
goto ERROR;
}
if ( 0 == CFNumberGetValue (refreshRateCFNumber, kCFNumberDoubleType, &refreshRate) ) {
SDL_SetError ("Error getting refresh rate");
goto ERROR;
}
if ( 0 == refreshRate ) {