/
SDL_QuartzVideo.m
1639 lines (1254 loc) · 51.9 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
/*
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);
97
static int QZ_AllocHWSurface(_THIS, SDL_Surface *surface);
98
99
static void QZ_FreeHWSurface (_THIS, SDL_Surface *surface);
/* static int QZ_FlipHWSurface (_THIS, SDL_Surface *surface); */
100
101
102
/* Bootstrap binding, enables entry point into the driver */
VideoBootStrap QZ_bootstrap = {
103
"Quartz", "Mac OS X CoreGraphics", QZ_Available, QZ_CreateDevice
104
105
};
106
107
108
109
110
111
112
113
/* Bootstrap functions */
static int QZ_Available () {
return 1;
}
static SDL_VideoDevice* QZ_CreateDevice (int device_index) {
114
#pragma unused (device_index)
115
116
117
118
119
120
121
122
123
124
125
126
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) );
127
128
129
130
131
132
133
device->hidden = hidden;
device->VideoInit = QZ_VideoInit;
device->ListModes = QZ_ListModes;
device->SetVideoMode = QZ_SetVideoMode;
device->ToggleFullScreen = QZ_ToggleFullScreen;
134
device->UpdateMouse = QZ_UpdateMouse;
135
136
137
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
SDL_OutOfMemory ();
return NULL;
}
303
rect->x = rect->y = 0;
304
305
306
rect->w = width;
rect->h = height;
307
308
client_mode_list[list_size-1] = rect;
client_mode_list[list_size] = NULL;
309
}
310
311
}
}
312
313
314
315
316
317
/* 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++) {
318
319
int area1, area2;
320
321
area1 = client_mode_list[j]->w * client_mode_list[j]->h;
area2 = client_mode_list[j+1]->w * client_mode_list[j+1]->h;
322
323
if (area1 < area2) {
324
325
326
SDL_Rect *tmp = client_mode_list[j];
client_mode_list[j] = client_mode_list[j+1];
client_mode_list[j+1] = tmp;
327
328
329
330
}
}
}
}
331
return client_mode_list;
332
333
}
334
335
336
337
338
339
340
341
342
343
344
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;
}
345
346
347
348
349
/*
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
*/
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
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;
}
395
396
397
398
/*
Fade the display from black to normal
Restore previously saved gamma values
*/
399
400
401
static UInt32 QZ_FadeGammaIn (_THIS, SDL_QuartzGammaTable *table) {
CGGammaValue redTable[QZ_GAMMA_TABLE_SIZE],
402
403
greenTable[QZ_GAMMA_TABLE_SIZE],
blueTable[QZ_GAMMA_TABLE_SIZE];
404
405
406
407
408
409
410
float percent;
int j;
memset (redTable, 0, sizeof(redTable));
memset (greenTable, 0, sizeof(greenTable));
memset (blueTable, 0, sizeof(greenTable));
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
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;
}
435
436
437
static void QZ_UnsetVideoMode (_THIS) {
/* Reset values that may change between switches */
438
439
440
441
442
443
this->info.blit_fill = 0;
this->FillHWRect = NULL;
this->UpdateRects = NULL;
this->LockHWSurface = NULL;
this->UnlockHWSurface = NULL;
444
/* Release fullscreen resources */
445
if ( mode_flags & SDL_FULLSCREEN ) {
446
447
448
SDL_QuartzGammaTable gamma_table;
int gamma_error;
449
450
NSRect screen_rect;
451
452
gamma_error = QZ_FadeGammaOut (this, &gamma_table);
453
/* Release double buffer stuff */
454
if ( mode_flags & SDL_DOUBLEBUF) {
455
456
457
458
459
460
461
462
quit_thread = YES;
SDL_SemPost (sem1);
SDL_WaitThread (thread, NULL);
SDL_DestroySemaphore (sem1);
SDL_DestroySemaphore (sem2);
free (sw_buffers[0]);
}
463
464
465
466
467
468
/*
Release the OpenGL context
Do this first to avoid trash on the display before fade
*/
if ( mode_flags & SDL_OPENGL ) {
469
QZ_TearDownOpenGL (this);
470
471
472
CGLSetFullScreen (NULL);
}
473
/* Restore original screen resolution/bpp */
474
CGDisplaySwitchToMode (display_id, save_mode);
475
CGReleaseAllDisplays ();
476
ShowMenuBar ();
477
/*
478
479
Reset the main screen's rectangle
See comment in QZ_SetVideoFullscreen for why we do this
480
481
482
483
*/
screen_rect = NSMakeRect(0,0,device_width,device_height);
[ [ NSScreen mainScreen ] setFrame:screen_rect ];
484
485
if (! gamma_error)
QZ_FadeGammaIn (this, &gamma_table);
486
}
487
/* Release window mode resources */
488
else {
489
490
[ qz_window close ];
491
[ qz_window release ];
492
qz_window = nil;
493
window_view = nil;
494
495
496
497
/* Release the OpenGL context */
if ( mode_flags & SDL_OPENGL )
QZ_TearDownOpenGL (this);
498
}
499
500
501
/* Signal successful teardown */
video_set = SDL_FALSE;
502
503
504
505
}
static SDL_Surface* QZ_SetVideoFullScreen (_THIS, SDL_Surface *current, int width,
int height, int bpp, Uint32 flags) {
506
boolean_t exact_match = 0;
507
508
int gamma_error;
SDL_QuartzGammaTable gamma_table;
509
NSRect screen_rect;
510
CGError error;
511
512
513
514
515
/* Destroy any previous mode */
if (video_set == SDL_TRUE)
QZ_UnsetVideoMode (this);
516
/* See if requested mode exists */
517
518
519
mode = CGDisplayBestModeForParameters (display_id, bpp, width,
height, &exact_match);
520
521
/* Require an exact match to the requested mode */
if ( ! exact_match ) {
522
SDL_SetError ("Failed to find display resolution: %dx%dx%d", width, height, bpp);
523
524
goto ERR_NO_MATCH;
}
525
526
527
528
/* Fade display to zero gamma */
gamma_error = QZ_FadeGammaOut (this, &gamma_table);
529
/* Put up the blanking window (a window above all other windows) */
530
531
532
533
534
535
if (getenv ("SDL_SINGLEDISPLAY"))
error = CGDisplayCapture (display_id);
else
error = CGCaptureAllDisplays ();
if ( CGDisplayNoErr != error ) {
536
537
538
SDL_SetError ("Failed capturing display");
goto ERR_NO_CAPTURE;
}
539
540
541
542
543
544
/* Do the physical switch */
if ( CGDisplayNoErr != CGDisplaySwitchToMode (display_id, mode) ) {
SDL_SetError ("Failed switching display resolution");
goto ERR_NO_SWITCH;
}
545
546
547
548
current->pixels = (Uint32*) CGDisplayBaseAddress (display_id);
current->pitch = CGDisplayBytesPerRow (display_id);
549
current->flags = 0;
550
551
current->w = width;
current->h = height;
552
current->flags |= SDL_FULLSCREEN;
553
current->flags |= SDL_HWSURFACE;
554
555
556
557
558
current->flags |= SDL_PREALLOC;
this->UpdateRects = QZ_DirectUpdate;
this->LockHWSurface = QZ_LockHWSurface;
this->UnlockHWSurface = QZ_UnlockHWSurface;
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
/* 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);
594
}
595
596
597
if ( CGDisplayCanSetPalette (display_id) )
current->flags |= SDL_HWPALETTE;
598
599
600
601
602
603
/* Setup OpenGL for a fullscreen context */
if (flags & SDL_OPENGL) {
CGLError err;
CGLContextObj ctx;
604
605
if ( ! QZ_SetupOpenGL (this, bpp, flags) ) {
606
goto ERR_NO_GL;
607
}
608
609
610
ctx = [ gl_context cglContext ];
err = CGLSetFullScreen (ctx);
611
612
if (err) {
613
SDL_SetError ("Error setting OpenGL fullscreen: %s", CGLErrorString(err));
614
615
goto ERR_NO_GL;
}
616
617
[ gl_context makeCurrentContext];
618
619
620
621
glClear (GL_COLOR_BUFFER_BIT);
[ gl_context flushBuffer ];
622
623
624
625
626
627
current->flags |= SDL_OPENGL;
}
/* If we don't hide menu bar, it will get events and interrupt the program */
HideMenuBar ();
628
629
630
631
/* Fade the display to original gamma */
if (! gamma_error )
QZ_FadeGammaIn (this, &gamma_table);
632
633
/*
634
635
636
637
638
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.
639
640
641
642
*/
screen_rect = NSMakeRect(0,0,width,height);
[ [ NSScreen mainScreen ] setFrame:screen_rect ];
643
644
/* Save the flags to ensure correct tear-down */
mode_flags = current->flags;
645
646
647
648
/* we're fullscreen, so flag all input states... */
SDL_PrivateAppActive(1, SDL_APPMOUSEFOCUS | SDL_APPINPUTFOCUS | SDL_APPACTIVE);
649
650
return current;
651
/* Since the blanking window covers *all* windows (even force quit) correct recovery is crucial */
652
653
654
ERR_NO_GL:
ERR_DOUBLEBUF: CGDisplaySwitchToMode (display_id, save_mode);
ERR_NO_SWITCH: CGReleaseAllDisplays ();
655
ERR_NO_CAPTURE: if (!gamma_error) { QZ_FadeGammaIn (this, &gamma_table); }
656
ERR_NO_MATCH: return NULL;
657
658
659
}
static SDL_Surface* QZ_SetVideoWindowed (_THIS, SDL_Surface *current, int width,
660
int height, int *bpp, Uint32 flags) {
661
unsigned int style;
662
NSRect contentRect;
663
BOOL isCustom = NO;
664
665
int center_window = 1;
int origin_x, origin_y;
666
667
668
current->flags = 0;
current->w = width;
669
current->h = height;
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
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);
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
/* 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;
}
}
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
/* 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;
}
}
737
738
739
740
741
742
if ( QZ_WindowPosition(this, &origin_x, &origin_y) ) {
center_window = 0;
contentRect.origin.x = (float)origin_x;
contentRect.origin.y = (float)origin_y;
}
743
744
745
746
747
748
749
750
751
752
753
754
/* 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;
}
755
//[ qz_window setReleasedWhenClosed:YES ];
756
757
758
QZ_SetCaption(this, this->wm_title, this->wm_icon);
[ qz_window setAcceptsMouseMovedEvents:YES ];
[ qz_window setViewsNeedDisplay:NO ];
759
760
761
if ( center_window ) {
[ qz_window center ];
}
762
763
764
765
766
767
[ qz_window setDelegate:
[ [ [ SDL_QuartzWindowDelegate alloc ] init ] autorelease ] ];
}
/* We already have a window, just change its size */
else {
768
769
770
if (!isCustom) {
[ qz_window setContentSize:contentRect.size ];
current->flags |= (SDL_NOFRAME|SDL_RESIZABLE) & mode_flags;
771
[ window_view setFrameSize:contentRect.size ];
772
}
773
}
774
775
/* For OpenGL, we bind the context to a subview */
776
if ( flags & SDL_OPENGL ) {
777
778
if ( ! QZ_SetupOpenGL (this, *bpp, flags) ) {
779
780
return NULL;
}
781
782
window_view = [ [ NSView alloc ] initWithFrame:contentRect ];
783
[ window_view setAutoresizingMask: NSViewWidthSizable | NSViewHeightSizable ];
784
785
786
[ [ qz_window contentView ] addSubview:window_view ];
[ gl_context setView: window_view ];
[ window_view release ];
787
[ gl_context makeCurrentContext];
788
[ qz_window makeKeyAndOrderFront:nil ];
789
790
current->flags |= SDL_OPENGL;
}
791
/* For 2D, we set the subview to an NSQuickDrawView */
792
else {
793
short qdbpp = 0;
794
795
796
797
/* Only recreate the view if it doesn't already exist */
if (window_view == nil) {
798
window_view = [ [ NSQuickDrawView alloc ] initWithFrame:contentRect ];
799
[ window_view setAutoresizingMask: NSViewWidthSizable | NSViewHeightSizable ];
800
801
802
803
804
[ [ qz_window contentView ] addSubview:window_view ];
[ window_view release ];
[ qz_window makeKeyAndOrderFront:nil ];
}
805
806
807
LockPortBits ( [ window_view qdPort ] );
current->pixels = GetPixBaseAddr ( GetPortPixMap ( [ window_view qdPort ] ) );
current->pitch = GetPixRowBytes ( GetPortPixMap ( [ window_view qdPort ] ) );
808
qdbpp = GetPixDepth ( GetPortPixMap ( [ window_view qdPort ] ) );
809
UnlockPortBits ( [ window_view qdPort ] );
810
811
812
813
/* QuickDraw may give a 16-bit shadow surface on 8-bit displays! */
*bpp = qdbpp;
814
815
current->flags |= SDL_SWSURFACE;
current->flags |= SDL_PREALLOC;
816
817
current->flags |= SDL_ASYNCBLIT;
818
819
820
821
822
823
824
825
826
827
/*
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;
828
current->pixels += (vOffset * current->pitch) + hOffset * (qdbpp/8);
829
}
830
831
832
this->UpdateRects = QZ_UpdateRects;
this->LockHWSurface = QZ_LockWindow;
this->UnlockHWSurface = QZ_UnlockWindow;
833
}
834
835
836
/* Save flags to ensure correct teardown */
mode_flags = current->flags;
837
838
839
840
return current;
}
841
842
static SDL_Surface* QZ_SetVideoMode (_THIS, SDL_Surface *current, int width,
int height, int bpp, Uint32 flags) {
843
844
current->flags = 0;
845
current->pixels = NULL;
846
847
848
849
850
851
852
853
854
855
/* 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 */
856
bpp = device_bpp;
857
current = QZ_SetVideoWindowed (this, current, width, height, &bpp, flags);
858
859
860
if (current == NULL)
return NULL;
}
861
862
863
/* Setup the new pixel format */
{
864
865
866
867
868
int amask = 0,
rmask = 0,
gmask = 0,
bmask = 0;
869
870
switch (bpp) {
case 16: /* (1)-5-5-5 RGB */
871
amask = 0;
872
873
874
rmask = 0x7C00;
gmask = 0x03E0;
bmask = 0x001F;
875
876
877
878
879
break;
case 24:
SDL_SetError ("24bpp is not available");
return NULL;
case 32: /* (8)-8-8-8 ARGB */
880
amask = 0x00000000;
881
882
883
884
885
rmask = 0x00FF0000;
gmask = 0x0000FF00;
bmask = 0x000000FF;
break;
}
886
887
888
if ( ! SDL_ReallocFormat (current, bpp,
rmask, gmask, bmask, amask ) ) {
889
890
891
SDL_SetError ("Couldn't reallocate pixel format");
return NULL;
}
892
}
893
894
/* Signal successful completion (used internally) */
895
video_set = SDL_TRUE;
896
897
898
899
return current;
}
900
static int QZ_ToggleFullScreen (_THIS, int on) {
901
return 0;
902
903
}
904
905
static int QZ_SetColors (_THIS, int first_color, int num_colors,
SDL_Color *colors) {
906
907
908
CGTableCount index;
CGDeviceColor color;
909
910
for (index = first_color; index < first_color+num_colors; index++) {
911
912
913
914
915
/* 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;
916
917
colors++;
918
919
920
CGPaletteSetColorAtIndex (palette, color, index);
}
921
922
923
if ( CGDisplayNoErr != CGDisplaySetPalette (display_id, palette) )
return 0;
924
925
926
927
return 1;
}
928
929
930
931
932
933
934
935
936
937
938
939
940
941
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
{
942
UInt64 i;
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
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;
978
979
980
981
982
983
984
985
/*
* 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 = CGDisplayBaseAddress (display_id) + SDL_VideoSurface->offset;
src = current_buffer + SDL_VideoSurface->offset;
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
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;