git.sesse.net Git - vlc/blob - modules/gui/macosx/voutgl.m

   1 /*****************************************************************************
   2  * voutgl.m: MacOS X OpenGL provider
   3  *****************************************************************************
   4  * Copyright (C) 2001-2004, 2007-2009 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Colin Delacroix <colin@zoy.org>
   8  *          Florian G. Pflug <fgp@phlo.org>
   9  *          Jon Lech Johansen <jon-vl@nanocrew.net>
  10  *          Derk-Jan Hartman <hartman at videolan dot org>
  11  *          Eric Petit <titer@m0k.org>
  12  *          Benjamin Pracht <bigben at videolan dot org>
  13  *          Damien Fouilleul <damienf at videolan dot org>
  14  *
  15  * This program is free software; you can redistribute it and/or modify
  16  * it under the terms of the GNU General Public License as published by
  17  * the Free Software Foundation; either version 2 of the License, or
  18  * (at your option) any later version.
  19  *
  20  * This program is distributed in the hope that it will be useful,
  21  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  22  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23  * GNU General Public License for more details.
  24  *
  25  * You should have received a copy of the GNU General Public License
  26  * along with this program; if not, write to the Free Software
  27  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  28  *****************************************************************************/
  29
  30 /*****************************************************************************
  31  * Preamble
  32  *****************************************************************************/
  33 #include <stdlib.h>                                                /* free() */
  34 #include <string.h>
  35
  36 #include <vlc_common.h>
  37 #include <vlc_keys.h>
  38
  39 #include "intf.h"
  40 #include "vout.h"
  41
  42 #include <OpenGL/OpenGL.h>
  43 #include <OpenGL/gl.h>
  44
  45 #include <AGL/agl.h>
  46
  47 /*****************************************************************************
  48  * VLCGLView interface
  49  *****************************************************************************/
  50 @interface VLCGLView : NSOpenGLView <VLCVoutViewResetting>
  51 {
  52     vout_thread_t * p_vout;
  53 }
  54
  55 + (void)resetVout: (NSValue *) voutValue;
  56 - (id) initWithVout: (vout_thread_t *) p_vout;
  57 @end
  58
  59 struct vout_sys_t
  60 {
  61     VLCGLView         * o_glview;
  62     VLCVoutView       * o_vout_view;
  63     bool                b_saved_frame;
  64     NSRect              s_frame;
  65     bool                b_got_frame;
  66
  67     /* Mozilla plugin-related variables (not 64bit compatible) */
  68     bool                b_embedded;
  69 #ifndef __x86_64__
  70     AGLContext          agl_ctx;
  71     AGLDrawable         agl_drawable;
  72     int                 i_offx, i_offy;
  73     int                 i_width, i_height;
  74     WindowRef           theWindow;
  75     WindowGroupRef      winGroup;
  76     bool                b_clipped_out;
  77     Rect                clipBounds, viewBounds;
  78 #endif
  79 };
  80
  81 /*****************************************************************************
  82  * Local prototypes
  83  *****************************************************************************/
  84
  85 static int  Init   ( vout_thread_t * p_vout );
  86 static void End    ( vout_thread_t * p_vout );
  87 static int  Manage ( vout_thread_t * p_vout );
  88 static int  Control( vout_thread_t *, int, va_list );
  89 static void Swap   ( vout_thread_t * p_vout );
  90 static int  Lock   ( vout_thread_t * p_vout );
  91 static void Unlock ( vout_thread_t * p_vout );
  92
  93 #ifndef __x86_64__
  94 static int  aglInit   ( vout_thread_t * p_vout );
  95 static void aglEnd    ( vout_thread_t * p_vout );
  96 static int  aglManage ( vout_thread_t * p_vout );
  97 static int  aglControl( vout_thread_t *, int, va_list );
  98 static void aglSwap   ( vout_thread_t * p_vout );
  99 static int  aglLock   ( vout_thread_t * p_vout );
 100 static void aglUnlock ( vout_thread_t * p_vout );
 101 #endif
 102
 103 int OpenVideoGL  ( vlc_object_t * p_this )
 104 {
 105     vout_thread_t * p_vout = (vout_thread_t *) p_this;
 106
 107     if( !CGDisplayUsesOpenGLAcceleration( kCGDirectMainDisplay ) )
 108     {
 109         msg_Warn( p_vout, "no OpenGL hardware acceleration found. "
 110                           "Video display might be slow" );
 111     }
 112     msg_Dbg( p_vout, "display is Quartz Extreme accelerated" );
 113
 114     p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
 115     if( p_vout->p_sys == NULL )
 116         return VLC_ENOMEM;
 117
 118     memset( p_vout->p_sys, 0, sizeof( vout_sys_t ) );
 119
 120 #ifndef __x86_64__
 121     int i_drawable_agl;
 122     i_drawable_agl = var_GetInteger( p_vout->p_libvlc, "drawable-agl" );
 123     if( i_drawable_agl > 0 )
 124     {
 125         static const GLint ATTRIBUTES[] = {
 126             AGL_WINDOW,
 127             AGL_RGBA,
 128             AGL_NO_RECOVERY,
 129             AGL_ACCELERATED,
 130             AGL_DOUBLEBUFFER,
 131             AGL_RED_SIZE,   8,
 132             AGL_GREEN_SIZE, 8,
 133             AGL_BLUE_SIZE,  8,
 134             AGL_ALPHA_SIZE, 8,
 135             AGL_DEPTH_SIZE, 24,
 136             AGL_NONE };
 137
 138         AGLPixelFormat pixFormat;
 139
 140         p_vout->p_sys->b_embedded = true;
 141
 142         pixFormat = aglChoosePixelFormat(NULL, 0, ATTRIBUTES);
 143         if( NULL == pixFormat )
 144         {
 145             msg_Err( p_vout, "no screen renderer available for required attributes." );
 146             free( p_vout->p_sys );
 147             return VLC_EGENERIC;
 148         }
 149
 150         p_vout->p_sys->agl_ctx = aglCreateContext(pixFormat, NULL);
 151         aglDestroyPixelFormat(pixFormat);
 152         if( NULL == p_vout->p_sys->agl_ctx )
 153         {
 154             msg_Err( p_vout, "cannot create AGL context." );
 155             free( p_vout->p_sys );
 156             return VLC_EGENERIC;
 157         }
 158         else
 159         {
 160             // tell opengl not to sync buffer swap with vertical retrace (too inefficient)
 161             GLint param = 0;
 162             aglSetInteger(p_vout->p_sys->agl_ctx, AGL_SWAP_INTERVAL, &param);
 163             aglEnable(p_vout->p_sys->agl_ctx, AGL_SWAP_INTERVAL);
 164         }
 165
 166         p_vout->pf_init             = aglInit;
 167         p_vout->pf_end              = aglEnd;
 168         p_vout->pf_manage           = aglManage;
 169         p_vout->pf_control          = aglControl;
 170         p_vout->pf_swap             = aglSwap;
 171         p_vout->pf_lock             = aglLock;
 172         p_vout->pf_unlock           = aglUnlock;
 173     }
 174     else
 175     {
 176 #endif
 177         NSAutoreleasePool *o_pool = [[NSAutoreleasePool alloc] init];
 178
 179         p_vout->p_sys->b_embedded = false;
 180
 181         [VLCGLView performSelectorOnMainThread:@selector(initVout:) withObject:[NSValue valueWithPointer:p_vout] waitUntilDone:YES];
 182
 183         [o_pool release];
 184
 185         /* Check to see if initVout: was successfull */
 186         if( !p_vout->p_sys->o_vout_view )
 187         {
 188             free( p_vout->p_sys );
 189             return VLC_EGENERIC;
 190         }
 191
 192         p_vout->pf_init   = Init;
 193         p_vout->pf_end    = End;
 194         p_vout->pf_manage = Manage;
 195         p_vout->pf_control= Control;
 196         p_vout->pf_swap   = Swap;
 197         p_vout->pf_lock   = Lock;
 198         p_vout->pf_unlock = Unlock;
 199 #ifndef __x86_64__
 200     }
 201 #endif
 202     p_vout->p_sys->b_got_frame = false;
 203
 204     return VLC_SUCCESS;
 205 }
 206
 207 void CloseVideoGL ( vlc_object_t * p_this )
 208 {
 209     vout_thread_t * p_vout = (vout_thread_t *) p_this;
 210
 211
 212 #ifndef __x86_64__
 213     if( p_vout->p_sys->b_embedded )
 214     {
 215         /* If the fullscreen window is still open, close it */
 216         if( p_vout->b_fullscreen )
 217         {
 218             p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
 219             aglManage( p_vout );
 220             var_SetBool( p_vout->p_parent, "fullscreen", false );
 221         }
 222         if( p_vout->p_sys->agl_ctx )
 223         {
 224             aglEnd( p_vout );
 225             aglDestroyContext(p_vout->p_sys->agl_ctx);
 226         }
 227     }
 228     else
 229 #endif
 230     if(VLCIntf && vlc_object_alive (VLCIntf))
 231     {
 232         NSAutoreleasePool *o_pool = [[NSAutoreleasePool alloc] init];
 233
 234         /* Close the window */
 235         [p_vout->p_sys->o_vout_view performSelectorOnMainThread:@selector(closeVout) withObject:NULL waitUntilDone:YES];
 236
 237         [o_pool release];
 238     }
 239     /* Clean up */
 240     free( p_vout->p_sys );
 241 }
 242
 243 static int Init( vout_thread_t * p_vout )
 244 {
 245     [[p_vout->p_sys->o_glview openGLContext] makeCurrentContext];
 246     return VLC_SUCCESS;
 247 }
 248
 249 static void End( vout_thread_t * p_vout )
 250 {
 251     [[p_vout->p_sys->o_glview openGLContext] makeCurrentContext];
 252 }
 253
 254 static int Manage( vout_thread_t * p_vout )
 255 {
 256     if( p_vout->i_changes & VOUT_ASPECT_CHANGE )
 257     {
 258         [p_vout->p_sys->o_glview reshape];
 259         p_vout->i_changes &= ~VOUT_ASPECT_CHANGE;
 260     }
 261     if( p_vout->i_changes & VOUT_CROP_CHANGE )
 262     {
 263         [p_vout->p_sys->o_glview reshape];
 264         p_vout->i_changes &= ~VOUT_CROP_CHANGE;
 265     }
 266
 267     if( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
 268     {
 269         NSAutoreleasePool *o_pool = [[NSAutoreleasePool alloc] init];
 270
 271         p_vout->b_fullscreen = !p_vout->b_fullscreen;
 272
 273         if( p_vout->b_fullscreen )
 274             [p_vout->p_sys->o_vout_view enterFullscreen];
 275         else
 276             [p_vout->p_sys->o_vout_view leaveFullscreen];
 277
 278         [o_pool release];
 279
 280         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
 281     }
 282
 283     if( p_vout->p_sys->o_vout_view )
 284         [p_vout->p_sys->o_vout_view manage];
 285     return VLC_SUCCESS;
 286 }
 287
 288 /*****************************************************************************
 289  * Control: control facility for the vout
 290  *****************************************************************************/
 291 static int Control( vout_thread_t *p_vout, int i_query, va_list args )
 292 {
 293     bool b_arg;
 294
 295     switch( i_query )
 296     {
 297         case VOUT_SET_STAY_ON_TOP:
 298             b_arg = (bool) va_arg( args, int );
 299             [p_vout->p_sys->o_vout_view setOnTop: b_arg];
 300             return VLC_SUCCESS;
 301
 302         default:
 303             return VLC_EGENERIC;
 304     }
 305 }
 306
 307 static void Swap( vout_thread_t * p_vout )
 308 {
 309     p_vout->p_sys->b_got_frame = true;
 310     [[p_vout->p_sys->o_glview openGLContext] flushBuffer];
 311 }
 312
 313 static int Lock( vout_thread_t * p_vout )
 314 {
 315     if( kCGLNoError == CGLLockContext([[p_vout->p_sys->o_glview openGLContext] CGLContextObj]) )
 316     {
 317         [[p_vout->p_sys->o_glview openGLContext] makeCurrentContext];
 318         return 0;
 319     }
 320     return 1;
 321 }
 322
 323 static void Unlock( vout_thread_t * p_vout )
 324 {
 325     CGLUnlockContext([[p_vout->p_sys->o_glview openGLContext] CGLContextObj]);
 326 }
 327
 328 /*****************************************************************************
 329  * VLCGLView implementation
 330  *****************************************************************************/
 331 @implementation VLCGLView
 332 + (void)initVout:(NSValue *)arg
 333 {
 334     vout_thread_t * p_vout = [arg pointerValue];
 335
 336     /* Create the GL view */
 337     p_vout->p_sys->o_glview = [[VLCGLView alloc] initWithVout: p_vout];
 338     [p_vout->p_sys->o_glview autorelease];
 339
 340     /* Spawn the window */
 341     id old_vout = p_vout->p_sys->o_vout_view;
 342     p_vout->p_sys->o_vout_view = [[VLCVoutView voutView: p_vout
 343                                                 subView: p_vout->p_sys->o_glview frame: nil] retain];
 344     [old_vout release];
 345 }
 346
 347 /* This function will reset the o_vout_view. It's useful to go fullscreen. */
 348 + (void)resetVout:(NSValue *) voutValue
 349 {
 350     vout_thread_t * p_vout = [voutValue pointerValue];
 351     if( p_vout->b_fullscreen )
 352     {
 353         /* Save window size and position */
 354         p_vout->p_sys->s_frame.size =
 355             [p_vout->p_sys->o_vout_view frame].size;
 356         p_vout->p_sys->s_frame.origin =
 357             [[p_vout->p_sys->o_vout_view voutWindow]frame].origin;
 358         p_vout->p_sys->b_saved_frame = true;
 359     }
 360
 361     [p_vout->p_sys->o_vout_view closeVout];
 362
 363 #define o_glview p_vout->p_sys->o_glview
 364     o_glview = [[VLCGLView alloc] initWithVout: p_vout];
 365     [o_glview autorelease];
 366
 367     if( p_vout->p_sys->b_saved_frame )
 368     {
 369         id old_vout = p_vout->p_sys->o_vout_view;
 370         p_vout->p_sys->o_vout_view = [[VLCVoutView voutView: p_vout
 371                                                     subView: o_glview
 372                                                       frame: &p_vout->p_sys->s_frame] retain];
 373         [old_vout release];
 374     }
 375     else
 376     {
 377         id old_vout = p_vout->p_sys->o_vout_view;
 378         p_vout->p_sys->o_vout_view = [[VLCVoutView voutView: p_vout
 379                                                     subView: o_glview frame: nil] retain];
 380         [old_vout release];
 381     }
 382 #undef o_glview
 383 }
 384
 385 - (id) initWithVout: (vout_thread_t *) vout
 386 {
 387     /* Must be called from main thread:
 388      * "The NSView class is generally thread-safe, with a few exceptions. You
 389      * should create, destroy, resize, move, and perform other operations on NSView
 390      * objects only from the main thread of an application. Drawing from secondary
 391      * threads is thread-safe as long as you bracket drawing calls with calls to
 392      * lockFocusIfCanDraw and unlockFocus." Cocoa Thread Safety */
 393
 394     p_vout = vout;
 395
 396     NSOpenGLPixelFormatAttribute attribs[] =
 397     {
 398         NSOpenGLPFADoubleBuffer,
 399         NSOpenGLPFAAccelerated,
 400         NSOpenGLPFANoRecovery,
 401         NSOpenGLPFAColorSize, 24,
 402         NSOpenGLPFAAlphaSize, 8,
 403         NSOpenGLPFADepthSize, 24,
 404         NSOpenGLPFAWindow,
 405         0
 406     };
 407
 408     NSOpenGLPixelFormat * fmt = [[NSOpenGLPixelFormat alloc]
 409         initWithAttributes: attribs];
 410
 411     if( !fmt )
 412     {
 413         msg_Warn( p_vout, "could not create OpenGL video output" );
 414         return nil;
 415     }
 416
 417     self = [super initWithFrame: NSMakeRect(0,0,10,10) pixelFormat: fmt];
 418     [fmt release];
 419
 420     [[self openGLContext] makeCurrentContext];
 421     [[self openGLContext] update];
 422
 423     /* Swap buffers only during the vertical retrace of the monitor.
 424        http://developer.apple.com/documentation/GraphicsImaging/
 425        Conceptual/OpenGL/chap5/chapter_5_section_44.html */
 426     GLint params[] = { 1 };
 427     CGLSetParameter( CGLGetCurrentContext(), kCGLCPSwapInterval, params );
 428     return self;
 429 }
 430
 431 - (BOOL)mouseDownCanMoveWindow
 432 {
 433     return YES;
 434 }
 435
 436 - (void) reshape
 437 {
 438     int x, y;
 439
 440     Lock( p_vout );
 441     NSRect bounds = [self bounds];
 442
 443     if( var_GetBool( p_vout, "macosx-stretch" ) )
 444     {
 445         x = bounds.size.width;
 446         y = bounds.size.height;
 447     }
 448     else if( bounds.size.height * p_vout->fmt_in.i_visible_width *
 449              p_vout->fmt_in.i_sar_num <
 450              bounds.size.width * p_vout->fmt_in.i_visible_height *
 451              p_vout->fmt_in.i_sar_den )
 452     {
 453         x = ( bounds.size.height * p_vout->fmt_in.i_visible_width *
 454               p_vout->fmt_in.i_sar_num ) /
 455             ( p_vout->fmt_in.i_visible_height * p_vout->fmt_in.i_sar_den);
 456
 457         y = bounds.size.height;
 458     }
 459     else
 460     {
 461         x = bounds.size.width;
 462         y = ( bounds.size.width * p_vout->fmt_in.i_visible_height *
 463               p_vout->fmt_in.i_sar_den) /
 464             ( p_vout->fmt_in.i_visible_width * p_vout->fmt_in.i_sar_num  );
 465     }
 466
 467     glViewport( ( bounds.size.width - x ) / 2,
 468                 ( bounds.size.height - y ) / 2, x, y );
 469
 470     [super reshape];
 471
 472     if( p_vout->p_sys->b_got_frame )
 473     {
 474         /* Ask the opengl module to redraw */
 475         vout_thread_t * p_parent;
 476         p_parent = (vout_thread_t *) p_vout->p_parent;
 477         Unlock( p_vout );
 478         if( p_parent && p_parent->pf_display )
 479         {
 480             p_parent->pf_display( p_parent, NULL );
 481         }
 482     }
 483     else
 484     {
 485         glClear( GL_COLOR_BUFFER_BIT );
 486         Unlock( p_vout );
 487     }
 488 }
 489
 490 - (void) update
 491 {
 492     Lock( p_vout );
 493     [super update];
 494     Unlock( p_vout );
 495 }
 496
 497 - (void) drawRect: (NSRect) rect
 498 {
 499     Lock( p_vout );
 500     [[p_vout->p_sys->o_glview openGLContext] flushBuffer];
 501     [super drawRect:rect];
 502     Unlock( p_vout );
 503 }
 504
 505 - (void) renewGState
 506 {
 507     NSWindow *window = [self window];
 508
 509         if ([window respondsToSelector:@selector(disableScreenUpdatesUntilFlush)])
 510         {
 511                 [window disableScreenUpdatesUntilFlush];
 512         }
 513
 514     [super renewGState];
 515 }
 516
 517 @end
 518
 519 /*****************************************************************************
 520  * embedded AGL context implementation
 521  *****************************************************************************/
 522
 523 #ifndef __x86_64__
 524
 525 static void aglSetViewport( vout_thread_t *p_vout, Rect viewBounds, Rect clipBounds );
 526 static void aglReshape( vout_thread_t * p_vout );
 527 static OSStatus WindowEventHandler(EventHandlerCallRef nextHandler, EventRef event, void *userData);
 528
 529 static int aglInit( vout_thread_t * p_vout )
 530 {
 531     Rect viewBounds;
 532     Rect clipBounds;
 533
 534     p_vout->p_sys->agl_drawable = (AGLDrawable)
 535             var_GetInteger( p_vout->p_libvlc, "drawable-agl" );
 536     aglSetDrawable(p_vout->p_sys->agl_ctx, p_vout->p_sys->agl_drawable);
 537
 538     viewBounds.top = var_GetInteger( p_vout->p_libvlc, "drawable-view-top" );
 539     viewBounds.left = var_GetInteger( p_vout->p_libvlc, "drawable-view-left" );
 540     viewBounds.bottom = var_GetInteger( p_vout->p_libvlc, "drawable-view-bottom" );
 541     viewBounds.right = var_GetInteger( p_vout->p_libvlc, "drawable-view-right" );
 542     clipBounds.top = var_GetInteger( p_vout->p_libvlc, "drawable-clip-top" );
 543     clipBounds.left = var_GetInteger( p_vout->p_libvlc, "drawable-clip-left" );
 544     clipBounds.bottom = var_GetInteger( p_vout->p_libvlc, "drawable-clip-bottom" );
 545     clipBounds.right = var_GetInteger( p_vout->p_libvlc, "drawable-clip-right" );
 546
 547     p_vout->p_sys->b_clipped_out = (clipBounds.top == clipBounds.bottom)
 548                                  || (clipBounds.left == clipBounds.right);
 549     if( ! p_vout->p_sys->b_clipped_out )
 550     {
 551         aglLock(p_vout);
 552         aglSetViewport(p_vout, viewBounds, clipBounds);
 553         aglReshape(p_vout);
 554         aglUnlock(p_vout);
 555     }
 556     p_vout->p_sys->clipBounds = clipBounds;
 557     p_vout->p_sys->viewBounds = viewBounds;
 558
 559     return VLC_SUCCESS;
 560 }
 561
 562 static void aglEnd( vout_thread_t * p_vout )
 563 {
 564     aglSetCurrentContext(NULL);
 565     if( p_vout->p_sys->theWindow )
 566     {
 567         DisposeWindow( p_vout->p_sys->theWindow );
 568         p_vout->p_sys->theWindow = NULL;
 569     }
 570 }
 571
 572 static void aglReshape( vout_thread_t * p_vout )
 573 {
 574     unsigned int x, y;
 575     unsigned int i_height = p_vout->p_sys->i_height;
 576     unsigned int i_width  = p_vout->p_sys->i_width;
 577
 578     vout_PlacePicture(p_vout, i_width, i_height, &x, &y, &i_width, &i_height);
 579
 580     glViewport( p_vout->p_sys->i_offx + x, p_vout->p_sys->i_offy + y, i_width, i_height );
 581
 582     if( p_vout->p_sys->b_got_frame )
 583     {
 584         /* Ask the opengl module to redraw */
 585         vout_thread_t * p_parent;
 586         p_parent = (vout_thread_t *) p_vout->p_parent;
 587         if( p_parent && p_parent->pf_display )
 588         {
 589             p_parent->pf_display( p_parent, NULL );
 590         }
 591     }
 592     else
 593     {
 594         glClear( GL_COLOR_BUFFER_BIT );
 595     }
 596 }
 597
 598 /* private event class */
 599 enum
 600 {
 601     kEventClassVLCPlugin = 'vlcp',
 602 };
 603 /* private event kinds */
 604 enum
 605 {
 606     kEventVLCPluginShowFullscreen = 32768,
 607     kEventVLCPluginHideFullscreen,
 608 };
 609
 610 static void sendEventToMainThread(EventTargetRef target, UInt32 class, UInt32 kind)
 611 {
 612     EventRef myEvent;
 613     if( noErr == CreateEvent(NULL, class, kind, 0, kEventAttributeNone, &myEvent) )
 614     {
 615         if( noErr == SetEventParameter(myEvent, kEventParamPostTarget, typeEventTargetRef, sizeof(EventTargetRef), &target) )
 616         {
 617             PostEventToQueue(GetMainEventQueue(), myEvent, kEventPriorityStandard);
 618         }
 619         ReleaseEvent(myEvent);
 620     }
 621 }
 622
 623 static int aglManage( vout_thread_t * p_vout )
 624 {
 625     if( p_vout->i_changes & VOUT_ASPECT_CHANGE )
 626     {
 627         aglLock( p_vout );
 628         aglReshape(p_vout);
 629         aglUnlock( p_vout );
 630         p_vout->i_changes &= ~VOUT_ASPECT_CHANGE;
 631     }
 632     if( p_vout->i_changes & VOUT_CROP_CHANGE )
 633     {
 634         aglLock( p_vout );
 635         aglReshape(p_vout);
 636         aglUnlock( p_vout );
 637         p_vout->i_changes &= ~VOUT_CROP_CHANGE;
 638     }
 639     if( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
 640     {
 641         aglSetDrawable(p_vout->p_sys->agl_ctx, NULL);
 642         aglLock( p_vout );
 643         if( p_vout->b_fullscreen )
 644         {
 645             /* Close the fullscreen window and resume normal drawing */
 646             Rect viewBounds;
 647             Rect clipBounds;
 648
 649             p_vout->p_sys->agl_drawable = (AGLDrawable)
 650                     var_GetInteger( p_vout->p_libvlc, "drawable-agl" );
 651
 652             aglSetDrawable(p_vout->p_sys->agl_ctx, p_vout->p_sys->agl_drawable);
 653
 654             viewBounds.top = var_GetInteger( p_vout->p_libvlc, "drawable-view-top" );
 655             viewBounds.left = var_GetInteger( p_vout->p_libvlc, "drawable-view-left" );
 656             viewBounds.bottom = var_GetInteger( p_vout->p_libvlc, "drawable-view-bottom" );
 657             viewBounds.right = var_GetInteger( p_vout->p_libvlc, "drawable-view-right" );
 658             clipBounds.top = var_GetInteger( p_vout->p_libvlc, "drawable-clip-top" );
 659             clipBounds.left = var_GetInteger( p_vout->p_libvlc, "drawable-clip-left" );
 660             clipBounds.bottom = var_GetInteger( p_vout->p_libvlc, "drawable-clip-bottom" );
 661             clipBounds.right = var_GetInteger( p_vout->p_libvlc, "drawable-clip-right" );
 662
 663             aglSetCurrentContext(p_vout->p_sys->agl_ctx);
 664             aglSetViewport(p_vout, viewBounds, clipBounds);
 665
 666             if( p_vout->p_sys->theWindow )
 667             {
 668                 /* Most Carbon APIs are not thread-safe, therefore delagate some GUI visibilty
 669                  * update to the main thread */
 670                 sendEventToMainThread(GetWindowEventTarget(p_vout->p_sys->theWindow),
 671                                       kEventClassVLCPlugin, kEventVLCPluginHideFullscreen);
 672             }
 673         }
 674         else
 675         {
 676             /* Go into fullscreen */
 677             Rect deviceRect;
 678
 679             GDHandle deviceHdl = GetMainDevice();
 680             deviceRect = (*deviceHdl)->gdRect;
 681
 682             if( !p_vout->p_sys->theWindow )
 683             {
 684                 /* Create a window */
 685                 WindowAttributes windowAttrs;
 686
 687                 windowAttrs = kWindowStandardDocumentAttributes
 688                             | kWindowStandardHandlerAttribute
 689                             | kWindowLiveResizeAttribute
 690                             | kWindowNoShadowAttribute;
 691
 692                 windowAttrs &= (~kWindowResizableAttribute);
 693
 694                 CreateNewWindow(kDocumentWindowClass, windowAttrs, &deviceRect, &p_vout->p_sys->theWindow);
 695                 if( !p_vout->p_sys->winGroup )
 696                 {
 697                     CreateWindowGroup(0, &p_vout->p_sys->winGroup);
 698                     SetWindowGroup(p_vout->p_sys->theWindow, p_vout->p_sys->winGroup);
 699                     SetWindowGroupParent( p_vout->p_sys->winGroup, GetWindowGroupOfClass(kDocumentWindowClass) ) ;
 700                 }
 701
 702                 // Window title
 703                 CFStringRef titleKey    = CFSTR("Fullscreen VLC media plugin");
 704                 CFStringRef windowTitle = CFCopyLocalizedString(titleKey, NULL);
 705                 SetWindowTitleWithCFString(p_vout->p_sys->theWindow, windowTitle);
 706                 CFRelease(titleKey);
 707                 CFRelease(windowTitle);
 708
 709                 //Install event handler
 710                 static const EventTypeSpec win_events[] = {
 711                     { kEventClassMouse, kEventMouseDown },
 712                     { kEventClassMouse, kEventMouseMoved },
 713                     { kEventClassMouse, kEventMouseUp },
 714                     { kEventClassWindow, kEventWindowClosed },
 715                     { kEventClassWindow, kEventWindowBoundsChanged },
 716                     { kEventClassCommand, kEventCommandProcess },
 717                     { kEventClassVLCPlugin, kEventVLCPluginShowFullscreen },
 718                     { kEventClassVLCPlugin, kEventVLCPluginHideFullscreen },
 719                 };
 720                 InstallWindowEventHandler (p_vout->p_sys->theWindow, NewEventHandlerUPP (WindowEventHandler), GetEventTypeCount(win_events), win_events, p_vout, NULL);
 721             }
 722             else
 723             {
 724                 /* just in case device resolution changed */
 725                 SetWindowBounds(p_vout->p_sys->theWindow, kWindowContentRgn, &deviceRect);
 726             }
 727             glClear( GL_COLOR_BUFFER_BIT );
 728             p_vout->p_sys->agl_drawable = (AGLDrawable)GetWindowPort(p_vout->p_sys->theWindow);
 729             aglSetDrawable(p_vout->p_sys->agl_ctx, p_vout->p_sys->agl_drawable);
 730             aglSetCurrentContext(p_vout->p_sys->agl_ctx);
 731             aglSetViewport(p_vout, deviceRect, deviceRect);
 732             //aglSetFullScreen(p_vout->p_sys->agl_ctx, device_width, device_height, 0, 0);
 733
 734             if( p_vout->p_sys->theWindow )
 735             {
 736                 /* Most Carbon APIs are not thread-safe, therefore delagate some GUI visibilty
 737                  * update to the main thread */
 738                 sendEventToMainThread(GetWindowEventTarget(p_vout->p_sys->theWindow),
 739                                       kEventClassVLCPlugin, kEventVLCPluginShowFullscreen);
 740             }
 741         }
 742         aglReshape(p_vout);
 743         aglUnlock( p_vout );
 744         p_vout->b_fullscreen = !p_vout->b_fullscreen;
 745         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
 746     }
 747     return VLC_SUCCESS;
 748 }
 749
 750 static int aglControl( vout_thread_t *p_vout, int i_query, va_list args )
 751 {
 752     switch( i_query )
 753     {
 754         case VOUT_SET_VIEWPORT:
 755         {
 756             Rect viewBounds, clipBounds;
 757             viewBounds.top = va_arg( args, int);
 758             viewBounds.left = va_arg( args, int);
 759             viewBounds.bottom = va_arg( args, int);
 760             viewBounds.right = va_arg( args, int);
 761             clipBounds.top = va_arg( args, int);
 762             clipBounds.left = va_arg( args, int);
 763             clipBounds.bottom = va_arg( args, int);
 764             clipBounds.right = va_arg( args, int);
 765
 766             if( !p_vout->b_fullscreen )
 767             {
 768                 /*
 769                 ** check that the clip rect is not empty, as this is used
 770                 ** by Firefox to prevent a plugin from displaying during
 771                 ** a scrolling event. In this case we just prevent buffers
 772                 ** from being swapped and ignore clipping as this is less
 773                 ** disruptive than a GL geometry change
 774                 */
 775
 776                 p_vout->p_sys->b_clipped_out = (clipBounds.top == clipBounds.bottom)
 777                                              || (clipBounds.left == clipBounds.right);
 778                 if( ! p_vout->p_sys->b_clipped_out )
 779                 {
 780                     /* ignore consecutive viewport update with identical parameters */
 781                     if( memcmp(&clipBounds, &(p_vout->p_sys->clipBounds), sizeof(clipBounds) )
 782                      && memcmp(&viewBounds, &(p_vout->p_sys->viewBounds), sizeof(viewBounds)) )
 783                     {
 784                         aglLock( p_vout );
 785                         aglSetViewport(p_vout, viewBounds, clipBounds);
 786                         aglReshape( p_vout );
 787                         aglUnlock( p_vout );
 788                         p_vout->p_sys->clipBounds = clipBounds;
 789                         p_vout->p_sys->viewBounds = viewBounds;
 790                     }
 791                 }
 792             }
 793             return VLC_SUCCESS;
 794         }
 795
 796         case VOUT_REDRAW_RECT:
 797         {
 798             vout_thread_t * p_parent;
 799             Rect areaBounds;
 800
 801             areaBounds.top = va_arg( args, int);
 802             areaBounds.left = va_arg( args, int);
 803             areaBounds.bottom = va_arg( args, int);
 804             areaBounds.right = va_arg( args, int);
 805
 806             /* Ask the opengl module to redraw */
 807             p_parent = (vout_thread_t *) p_vout->p_parent;
 808             if( p_parent && p_parent->pf_display )
 809             {
 810                 p_parent->pf_display( p_parent, NULL );
 811             }
 812             return VLC_SUCCESS;
 813         }
 814
 815         default:
 816             return VLC_EGENERIC;
 817     }
 818 }
 819
 820 static void aglSwap( vout_thread_t * p_vout )
 821 {
 822     if( ! p_vout->p_sys->b_clipped_out )
 823     {
 824         p_vout->p_sys->b_got_frame = true;
 825         aglSwapBuffers(p_vout->p_sys->agl_ctx);
 826     }
 827     else
 828     {
 829         /* drop frame */
 830         glFlush();
 831     }
 832 }
 833
 834 /* Enter this function with the p_vout locked */
 835 static void aglSetViewport( vout_thread_t *p_vout, Rect viewBounds, Rect clipBounds )
 836 {
 837     // mozilla plugin provides coordinates based on port bounds
 838     // however AGL coordinates are based on window structure region
 839     // and are vertically flipped
 840     GLint rect[4];
 841     CGrafPtr port = (CGrafPtr)p_vout->p_sys->agl_drawable;
 842     Rect winBounds, clientBounds;
 843
 844     GetWindowBounds(GetWindowFromPort(port),
 845         kWindowStructureRgn, &winBounds);
 846     GetWindowBounds(GetWindowFromPort(port),
 847         kWindowContentRgn, &clientBounds);
 848
 849     /* update video clipping bounds in drawable */
 850     rect[0] = (clientBounds.left-winBounds.left)
 851             + clipBounds.left;                  // from window left edge
 852     rect[1] = (winBounds.bottom-winBounds.top)
 853             - (clientBounds.top-winBounds.top)
 854             - clipBounds.bottom;                // from window bottom edge
 855     rect[2] = clipBounds.right-clipBounds.left; // width
 856     rect[3] = clipBounds.bottom-clipBounds.top; // height
 857
 858     aglSetInteger(p_vout->p_sys->agl_ctx, AGL_BUFFER_RECT, rect);
 859     aglEnable(p_vout->p_sys->agl_ctx, AGL_BUFFER_RECT);
 860
 861     /* update video internal bounds in drawable */
 862     p_vout->p_sys->i_width  = viewBounds.right-viewBounds.left;
 863     p_vout->p_sys->i_height = viewBounds.bottom-viewBounds.top;
 864     p_vout->p_sys->i_offx   = -clipBounds.left - viewBounds.left;
 865     p_vout->p_sys->i_offy   = clipBounds.bottom + viewBounds.top
 866                             - p_vout->p_sys->i_height;
 867
 868     aglUpdateContext(p_vout->p_sys->agl_ctx);
 869 }
 870
 871 //default window event handler
 872 static pascal OSStatus WindowEventHandler(EventHandlerCallRef nextHandler, EventRef event, void *userData)
 873 {
 874     OSStatus result = noErr;
 875     UInt32 class = GetEventClass (event);
 876     UInt32 kind = GetEventKind (event);
 877     vout_thread_t *p_vout = (vout_thread_t *)userData;
 878
 879     result = CallNextEventHandler(nextHandler, event);
 880     if(class == kEventClassCommand)
 881     {
 882         HICommand theHICommand;
 883         GetEventParameter( event, kEventParamDirectObject, typeHICommand, NULL, sizeof( HICommand ), NULL, &theHICommand );
 884
 885         switch ( theHICommand.commandID )
 886         {
 887             default:
 888                 result = eventNotHandledErr;
 889         }
 890     }
 891     else if(class == kEventClassWindow)
 892     {
 893         WindowRef     window;
 894         Rect          rectPort = {0,0,0,0};
 895
 896         GetEventParameter(event, kEventParamDirectObject, typeWindowRef, NULL, sizeof(WindowRef), NULL, &window);
 897
 898         if(window)
 899         {
 900             GetPortBounds(GetWindowPort(window), &rectPort);
 901         }
 902
 903         switch (kind)
 904         {
 905             case kEventWindowClosed:
 906             case kEventWindowZoomed:
 907             case kEventWindowBoundsChanged:
 908                 break;
 909
 910             default:
 911                 result = eventNotHandledErr;
 912         }
 913     }
 914     else if(class == kEventClassMouse)
 915     {
 916         switch (kind)
 917         {
 918             case kEventMouseDown:
 919             {
 920                 UInt16     button;
 921
 922                 GetEventParameter(event, kEventParamMouseButton, typeMouseButton, NULL, sizeof(button), NULL, &button);
 923                 switch (button)
 924                 {
 925                     case kEventMouseButtonPrimary:
 926                     {
 927                         vlc_value_t val;
 928
 929                         var_Get( p_vout, "mouse-button-down", &val );
 930                         val.i_int |= 1;
 931                         var_Set( p_vout, "mouse-button-down", val );
 932                         break;
 933                     }
 934                     case kEventMouseButtonSecondary:
 935                     {
 936                         vlc_value_t val;
 937
 938                         var_Get( p_vout, "mouse-button-down", &val );
 939                         val.i_int |= 2;
 940                         var_Set( p_vout, "mouse-button-down", val );
 941                         break;
 942                     }
 943                     case kEventMouseButtonTertiary:
 944                     {
 945                         vlc_value_t val;
 946
 947                         var_Get( p_vout, "mouse-button-down", &val );
 948                         val.i_int |= 4;
 949                         var_Set( p_vout, "mouse-button-down", val );
 950                         break;
 951                     }
 952                     default:
 953                         result = eventNotHandledErr;
 954                 }
 955                 break;
 956             }
 957
 958             case kEventMouseUp:
 959             {
 960                 UInt16     button;
 961
 962                 GetEventParameter(event, kEventParamMouseButton, typeMouseButton, NULL, sizeof(button), NULL, &button);
 963                 switch (button)
 964                 {
 965                     case kEventMouseButtonPrimary:
 966                     {
 967                         UInt32 clickCount = 0;
 968                         GetEventParameter(event, kEventParamClickCount, typeUInt32, NULL, sizeof(clickCount), NULL, &clickCount);
 969                         if( clickCount > 1 )
 970                         {
 971                             vlc_value_t val;
 972
 973                             val.b_bool = false;
 974                             var_Set((vout_thread_t *) p_vout->p_parent, "fullscreen", val);
 975                         }
 976                         else
 977                         {
 978                             vlc_value_t val;
 979                             int x, y;
 980
 981                             var_GetCoords( p_vout, "mouse-moved", &x, &y );
 982                             var_SetCoords( p_vout, "mouse-clicked", x, y );
 983
 984                             var_Get( p_vout, "mouse-button-down", &val );
 985                             val.i_int &= ~1;
 986                             var_Set( p_vout, "mouse-button-down", val );
 987                         }
 988                         break;
 989                     }
 990                     case kEventMouseButtonSecondary:
 991                     {
 992                         vlc_value_t val;
 993
 994                         var_Get( p_vout, "mouse-button-down", &val );
 995                         val.i_int &= ~2;
 996                         var_Set( p_vout, "mouse-button-down", val );
 997                         break;
 998                     }
 999                     case kEventMouseButtonTertiary:
1000                     {
1001                         vlc_value_t val;
1002
1003                         var_Get( p_vout, "mouse-button-down", &val );
1004                         val.i_int &= ~2;
1005                         var_Set( p_vout, "mouse-button-down", val );
1006                         break;
1007                     }
1008                     default:
1009                         result = eventNotHandledErr;
1010                 }
1011                 break;
1012             }
1013
1014             case kEventMouseMoved:
1015             {
1016                 Point ml;
1017                 vlc_value_t val;
1018
1019                 unsigned int i_x, i_y;
1020                 unsigned int i_height = p_vout->p_sys->i_height;
1021                 unsigned int i_width  = p_vout->p_sys->i_width;
1022                 int x, y;
1023
1024                 vout_PlacePicture(p_vout, i_width, i_height, &i_x, &i_y, &i_width, &i_height);
1025
1026                 GetEventParameter(event, kEventParamWindowMouseLocation, typeQDPoint, NULL, sizeof(Point), NULL, &ml);
1027
1028                 x = (((int)ml.h) - i_x) * p_vout->render.i_width / i_width;
1029                 y = (((int)ml.v) - i_y) * p_vout->render.i_height / i_height;
1030                 var_SetCoords( p_vout, "mouse-moved", x, y );
1031                 break;
1032             }
1033
1034             default:
1035                 result = eventNotHandledErr;
1036         }
1037     }
1038     else if(class == kEventClassTextInput)
1039     {
1040         switch (kind)
1041         {
1042             case kEventTextInputUnicodeForKeyEvent:
1043             {
1044                 break;
1045             }
1046             default:
1047                 result = eventNotHandledErr;
1048         }
1049     }
1050     else if(class == kEventClassVLCPlugin)
1051     {
1052         switch (kind)
1053         {
1054             case kEventVLCPluginShowFullscreen:
1055                 ShowWindow (p_vout->p_sys->theWindow);
1056                 SetSystemUIMode( kUIModeAllHidden, kUIOptionAutoShowMenuBar);
1057                 //CGDisplayHideCursor(kCGDirectMainDisplay);
1058                 break;
1059             case kEventVLCPluginHideFullscreen:
1060                 HideWindow (p_vout->p_sys->theWindow);
1061                 SetSystemUIMode( kUIModeNormal, 0);
1062                 CGDisplayShowCursor(kCGDirectMainDisplay);
1063                 break;
1064             default:
1065                 result = eventNotHandledErr;
1066                 break;
1067         }
1068     }
1069     return result;
1070 }
1071
1072 static int aglLock( vout_thread_t * p_vout )
1073 {
1074         /* get the underlying CGL context */
1075     CGLContextObj cglContext;
1076     if( aglGetCGLContext(p_vout->p_sys->agl_ctx, (void**)&cglContext) )
1077     {
1078         if( kCGLNoError == CGLLockContext( cglContext ) )
1079         {
1080             aglSetCurrentContext(p_vout->p_sys->agl_ctx);
1081             return 0;
1082         }
1083     }
1084     return 1;
1085 }
1086
1087 static void aglUnlock( vout_thread_t * p_vout )
1088 {
1089         /* get the underlying CGL context */
1090     CGLContextObj cglContext;
1091     if( aglGetCGLContext(p_vout->p_sys->agl_ctx, (void**)&cglContext) )
1092     {
1093         CGLUnlockContext( cglContext );
1094     }
1095 }
1096
1097 #endif