/
SDL_QuartzVideo.m
1608 lines (1227 loc) · 50.6 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"
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
/*
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);
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
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) );
128
129
130
131
132
133
134
135
136
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
141
142
143
144
145
146
147
148
149
150
151
152
device->LockHWSurface = QZ_LockHWSurface;
device->UnlockHWSurface = QZ_UnlockHWSurface;
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;
154
155
156
157
158
159
160
161
162
163
164
165
166
167
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;
169
170
171
device->CreateYUVOverlay = QZ_CreateYUVOverlay;
device->free = QZ_DeleteDevice;
173
174
175
176
177
178
179
180
181
182
183
return device;
}
static void QZ_DeleteDevice (SDL_VideoDevice *device) {
free (device->hidden);
free (device);
}
static int QZ_VideoInit (_THIS, SDL_PixelFormat *video_format) {
184
185
186
187
188
/* 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 ();
190
191
192
/* Gather some information that is useful to know about the display */
CFNumberGetValue (CFDictionaryGetValue (save_mode, kCGDisplayBitsPerPixel),
kCFNumberSInt32Type, &device_bpp);
194
195
196
197
198
199
200
201
CFNumberGetValue (CFDictionaryGetValue (save_mode, kCGDisplayWidth),
kCFNumberSInt32Type, &device_width);
CFNumberGetValue (CFDictionaryGetValue (save_mode, kCGDisplayHeight),
kCFNumberSInt32Type, &device_height);
video_format->BitsPerPixel = device_bpp;
202
203
/* Set misc globals */
current_grab_mode = SDL_GRAB_OFF;
204
cursor_should_be_visible = YES;
205
cursor_visible = YES;
206
current_mods = 0;
208
209
210
/* register for sleep notifications so wake from sleep generates SDL_VIDEOEXPOSE */
QZ_RegisterForSleepNotifications (this);
211
return 0;
212
213
214
}
static SDL_Rect** QZ_ListModes (_THIS, SDL_PixelFormat *format, Uint32 flags) {
216
CFIndex num_modes;
217
218
219
CFIndex i;
int list_size = 0;
221
222
223
/* Any windowed mode is acceptable */
if ( (flags & SDL_FULLSCREEN) == 0 )
return (SDL_Rect**)-1;
225
/* Free memory from previous call, if any */
226
if ( client_mode_list != NULL ) {
228
int i;
230
231
for (i = 0; client_mode_list[i] != NULL; i++)
free (client_mode_list[i]);
233
234
free (client_mode_list);
client_mode_list = NULL;
237
238
num_modes = CFArrayGetCount (mode_list);
239
/* Build list of modes with the requested bpp */
240
for (i = 0; i < num_modes; i++) {
242
243
CFDictionaryRef onemode;
CFNumberRef number;
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
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++) {
269
270
if (client_mode_list[i]->w == width &&
client_mode_list[i]->h == height) {
271
272
273
hasMode = SDL_TRUE;
break;
}
276
277
278
279
280
281
282
283
/* Grow the list and add mode to the list */
if ( ! hasMode ) {
SDL_Rect *rect;
list_size++;
284
285
286
if (client_mode_list == NULL)
client_mode_list = (SDL_Rect**)
malloc (sizeof(*client_mode_list) * (list_size+1) );
288
289
client_mode_list = (SDL_Rect**)
realloc (client_mode_list, sizeof(*client_mode_list) * (list_size+1));
291
rect = (SDL_Rect*) malloc (sizeof(**client_mode_list));
293
if (client_mode_list == NULL || rect == NULL) {
294
295
296
297
298
299
300
SDL_OutOfMemory ();
return NULL;
}
rect->w = width;
rect->h = height;
301
302
client_mode_list[list_size-1] = rect;
client_mode_list[list_size] = NULL;
307
308
309
310
311
/* 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++) {
313
int area1, area2;
314
315
area1 = client_mode_list[j]->w * client_mode_list[j]->h;
area2 = client_mode_list[j+1]->w * client_mode_list[j+1]->h;
317
if (area1 < area2) {
318
319
320
SDL_Rect *tmp = client_mode_list[j];
client_mode_list[j] = client_mode_list[j+1];
client_mode_list[j+1] = tmp;
321
322
323
324
}
}
}
}
325
return client_mode_list;
328
329
330
331
332
333
334
335
336
337
338
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;
}
339
340
341
342
343
/*
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
*/
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
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;
}
389
390
391
392
/*
Fade the display from black to normal
Restore previously saved gamma values
*/
393
394
395
static UInt32 QZ_FadeGammaIn (_THIS, SDL_QuartzGammaTable *table) {
CGGammaValue redTable[QZ_GAMMA_TABLE_SIZE],
396
397
greenTable[QZ_GAMMA_TABLE_SIZE],
blueTable[QZ_GAMMA_TABLE_SIZE];
398
399
400
401
402
403
404
float percent;
int j;
memset (redTable, 0, sizeof(redTable));
memset (greenTable, 0, sizeof(greenTable));
memset (blueTable, 0, sizeof(greenTable));
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
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;
}
429
430
431
static void QZ_UnsetVideoMode (_THIS) {
/* Reset values that may change between switches */
432
433
434
435
436
437
this->info.blit_fill = 0;
this->FillHWRect = NULL;
this->UpdateRects = NULL;
this->LockHWSurface = NULL;
this->UnlockHWSurface = NULL;
438
/* Release fullscreen resources */
439
if ( mode_flags & SDL_FULLSCREEN ) {
440
441
442
SDL_QuartzGammaTable gamma_table;
int gamma_error;
443
444
NSRect screen_rect;
445
446
gamma_error = QZ_FadeGammaOut (this, &gamma_table);
447
448
449
450
451
452
453
454
455
456
/* 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]);
}
457
458
459
460
461
462
/*
Release the OpenGL context
Do this first to avoid trash on the display before fade
*/
if ( mode_flags & SDL_OPENGL ) {
463
QZ_TearDownOpenGL (this);
464
465
466
CGLSetFullScreen (NULL);
}
467
/* Restore original screen resolution/bpp */
468
CGDisplaySwitchToMode (display_id, save_mode);
469
CGReleaseAllDisplays ();
470
ShowMenuBar ();
472
473
Reset the main screen's rectangle
See comment in QZ_SetVideoFullscreen for why we do this
474
475
476
477
*/
screen_rect = NSMakeRect(0,0,device_width,device_height);
[ [ NSScreen mainScreen ] setFrame:screen_rect ];
478
479
if (! gamma_error)
QZ_FadeGammaIn (this, &gamma_table);
481
/* Release window mode resources */
482
else {
484
[ qz_window close ];
485
[ qz_window release ];
486
qz_window = nil;
487
488
window_view = nil;
489
490
491
/* Release the OpenGL context */
if ( mode_flags & SDL_OPENGL )
QZ_TearDownOpenGL (this);
494
495
/* Signal successful teardown */
video_set = SDL_FALSE;
496
497
498
499
500
}
static SDL_Surface* QZ_SetVideoFullScreen (_THIS, SDL_Surface *current, int width,
int height, int bpp, Uint32 flags) {
int exact_match;
501
502
int gamma_error;
SDL_QuartzGammaTable gamma_table;
503
NSRect screen_rect;
504
CGError error;
506
507
508
509
/* Destroy any previous mode */
if (video_set == SDL_TRUE)
QZ_UnsetVideoMode (this);
510
/* See if requested mode exists */
511
512
513
mode = CGDisplayBestModeForParameters (display_id, bpp, width,
height, &exact_match);
514
515
/* Require an exact match to the requested mode */
if ( ! exact_match ) {
516
SDL_SetError ("Failed to find display resolution: %dx%dx%d", width, height, bpp);
517
518
goto ERR_NO_MATCH;
}
520
521
522
/* Fade display to zero gamma */
gamma_error = QZ_FadeGammaOut (this, &gamma_table);
523
/* Put up the blanking window (a window above all other windows) */
524
525
526
527
528
529
if (getenv ("SDL_SINGLEDISPLAY"))
error = CGDisplayCapture (display_id);
else
error = CGCaptureAllDisplays ();
if ( CGDisplayNoErr != error ) {
530
531
532
SDL_SetError ("Failed capturing display");
goto ERR_NO_CAPTURE;
}
534
535
536
537
538
/* Do the physical switch */
if ( CGDisplayNoErr != CGDisplaySwitchToMode (display_id, mode) ) {
SDL_SetError ("Failed switching display resolution");
goto ERR_NO_SWITCH;
}
540
541
542
current->pixels = (Uint32*) CGDisplayBaseAddress (display_id);
current->pitch = CGDisplayBytesPerRow (display_id);
543
current->flags = 0;
544
545
current->w = width;
current->h = height;
546
current->flags |= SDL_FULLSCREEN;
547
current->flags |= SDL_HWSURFACE;
548
549
550
551
552
current->flags |= SDL_PREALLOC;
this->UpdateRects = QZ_DirectUpdate;
this->LockHWSurface = QZ_LockHWSurface;
this->UnlockHWSurface = QZ_UnlockHWSurface;
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
/* 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);
590
591
if ( CGDisplayCanSetPalette (display_id) )
current->flags |= SDL_HWPALETTE;
593
594
595
596
597
/* Setup OpenGL for a fullscreen context */
if (flags & SDL_OPENGL) {
CGLError err;
CGLContextObj ctx;
599
if ( ! QZ_SetupOpenGL (this, bpp, flags) ) {
600
goto ERR_NO_GL;
603
604
ctx = [ gl_context cglContext ];
err = CGLSetFullScreen (ctx);
606
if (err) {
607
SDL_SetError ("Error setting OpenGL fullscreen: %s", CGLErrorString(err));
608
609
goto ERR_NO_GL;
}
611
[ gl_context makeCurrentContext];
612
613
614
615
glClear (GL_COLOR_BUFFER_BIT);
[ gl_context flushBuffer ];
617
618
619
620
621
current->flags |= SDL_OPENGL;
}
/* If we don't hide menu bar, it will get events and interrupt the program */
HideMenuBar ();
622
623
624
625
/* Fade the display to original gamma */
if (! gamma_error )
QZ_FadeGammaIn (this, &gamma_table);
628
629
630
631
632
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.
633
634
635
636
*/
screen_rect = NSMakeRect(0,0,width,height);
[ [ NSScreen mainScreen ] setFrame:screen_rect ];
637
638
/* Save the flags to ensure correct tear-down */
mode_flags = current->flags;
640
641
return current;
642
/* Since the blanking window covers *all* windows (even force quit) correct recovery is crucial */
643
644
645
ERR_NO_GL:
ERR_DOUBLEBUF: CGDisplaySwitchToMode (display_id, save_mode);
ERR_NO_SWITCH: CGReleaseAllDisplays ();
646
ERR_NO_CAPTURE: if (!gamma_error) { QZ_FadeGammaIn (this, &gamma_table); }
647
ERR_NO_MATCH: return NULL;
648
649
650
}
static SDL_Surface* QZ_SetVideoWindowed (_THIS, SDL_Surface *current, int width,
651
int height, int bpp, Uint32 flags) {
652
unsigned int style;
653
NSRect contentRect;
654
BOOL isCustom = NO;
655
656
int center_window = 1;
int origin_x, origin_y;
658
659
current->flags = 0;
current->w = width;
660
current->h = height;
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
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);
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
/* 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;
}
}
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
/* 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;
}
}
728
729
730
731
732
733
if ( QZ_WindowPosition(this, &origin_x, &origin_y) ) {
center_window = 0;
contentRect.origin.x = (float)origin_x;
contentRect.origin.y = (float)origin_y;
}
734
735
736
737
738
739
740
741
742
743
744
745
/* 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;
}
746
//[ qz_window setReleasedWhenClosed:YES ];
747
748
749
QZ_SetCaption(this, this->wm_title, this->wm_icon);
[ qz_window setAcceptsMouseMovedEvents:YES ];
[ qz_window setViewsNeedDisplay:NO ];
750
751
752
if ( center_window ) {
[ qz_window center ];
}
753
754
755
756
757
758
[ qz_window setDelegate:
[ [ [ SDL_QuartzWindowDelegate alloc ] init ] autorelease ] ];
}
/* We already have a window, just change its size */
else {
759
760
761
if (!isCustom) {
[ qz_window setContentSize:contentRect.size ];
current->flags |= (SDL_NOFRAME|SDL_RESIZABLE) & mode_flags;
762
[ window_view setFrameSize:contentRect.size ];
766
/* For OpenGL, we bind the context to a subview */
767
if ( flags & SDL_OPENGL ) {
769
770
771
if ( ! QZ_SetupOpenGL (this, bpp, flags) ) {
return NULL;
}
773
window_view = [ [ NSView alloc ] initWithFrame:contentRect ];
774
[ window_view setAutoresizingMask: NSViewWidthSizable | NSViewHeightSizable ];
775
776
777
[ [ qz_window contentView ] addSubview:window_view ];
[ gl_context setView: window_view ];
[ window_view release ];
778
[ gl_context makeCurrentContext];
779
[ qz_window makeKeyAndOrderFront:nil ];
780
781
current->flags |= SDL_OPENGL;
}
782
/* For 2D, we set the subview to an NSQuickDrawView */
785
786
787
/* Only recreate the view if it doesn't already exist */
if (window_view == nil) {
788
window_view = [ [ NSQuickDrawView alloc ] initWithFrame:contentRect ];
789
[ window_view setAutoresizingMask: NSViewWidthSizable | NSViewHeightSizable ];
790
791
792
793
794
[ [ qz_window contentView ] addSubview:window_view ];
[ window_view release ];
[ qz_window makeKeyAndOrderFront:nil ];
}
795
796
797
LockPortBits ( [ window_view qdPort ] );
current->pixels = GetPixBaseAddr ( GetPortPixMap ( [ window_view qdPort ] ) );
current->pitch = GetPixRowBytes ( GetPortPixMap ( [ window_view qdPort ] ) );
798
UnlockPortBits ( [ window_view qdPort ] );
800
801
current->flags |= SDL_SWSURFACE;
current->flags |= SDL_PREALLOC;
802
803
current->flags |= SDL_ASYNCBLIT;
804
805
806
807
808
809
810
811
812
813
814
815
/*
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);
}
816
817
818
this->UpdateRects = QZ_UpdateRects;
this->LockHWSurface = QZ_LockWindow;
this->UnlockHWSurface = QZ_UnlockWindow;
821
822
/* Save flags to ensure correct teardown */
mode_flags = current->flags;
824
825
826
return current;
}
827
828
static SDL_Surface* QZ_SetVideoMode (_THIS, SDL_Surface *current, int width,
int height, int bpp, Uint32 flags) {
829
830
current->flags = 0;
832
833
834
835
836
837
838
839
840
/* 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 */
841
bpp = device_bpp;
842
843
844
845
current = QZ_SetVideoWindowed (this, current, width, height, bpp, flags);
if (current == NULL)
return NULL;
}
847
848
/* Setup the new pixel format */
{
849
850
851
852
853
int amask = 0,
rmask = 0,
gmask = 0,
bmask = 0;
854
855
switch (bpp) {
case 16: /* (1)-5-5-5 RGB */
856
amask = 0;
857
858
859
rmask = 0x7C00;
gmask = 0x03E0;
bmask = 0x001F;
860
861
862
863
864
break;
case 24:
SDL_SetError ("24bpp is not available");
return NULL;
case 32: /* (8)-8-8-8 ARGB */
865
amask = 0x00000000;
866
867
868
869
870
rmask = 0x00FF0000;
gmask = 0x0000FF00;
bmask = 0x000000FF;
break;
}
872
873
if ( ! SDL_ReallocFormat (current, bpp,
rmask, gmask, bmask, amask ) ) {
874
875
876
SDL_SetError ("Couldn't reallocate pixel format");
return NULL;
}
879
/* Signal successful completion (used internally) */
880
video_set = SDL_TRUE;
882
883
884
return current;
}
885
static int QZ_ToggleFullScreen (_THIS, int on) {
889
890
static int QZ_SetColors (_THIS, int first_color, int num_colors,
SDL_Color *colors) {
891
892
893
CGTableCount index;
CGDeviceColor color;
895
for (index = first_color; index < first_color+num_colors; index++) {
897
898
899
900
/* 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;
904
905
CGPaletteSetColorAtIndex (palette, color, index);
}
907
908
if ( CGDisplayNoErr != CGDisplaySetPalette (display_id, palette) )
return 0;
910
911
912
return 1;
}
913
914
915
916
917
918
919
920
921
922
923
924
925
926
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
{
927
UInt64 i;
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
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 ) {
SDL_SetError ("Display has no refresh rate, using 60hz");
/* ok, for LCD's we'll emulate a 60hz refresh, which may or may not look right */
refreshRate = 60.0;
}
linesPerSecond = refreshRate * h;