vid_agl.c

   1 /*
   2         vid_agl.c
   3
   4         Mac OS X OpenGL and input module, using Carbon and AGL
   5
   6         Copyright (C) 2005-2006  Mathieu Olivier
   7
   8         This program is free software; you can redistribute it and/or modify
   9         it under the terms of the GNU General Public License as published by
  10         the Free Software Foundation; either version 2 of the License, or
  11         (at your option) any later version.
  12
  13         This program is distributed in the hope that it will be useful,
  14         but WITHOUT ANY WARRANTY; without even the implied warranty of
  15         MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16         GNU General Public License for more details.
  17
  18         You should have received a copy of the GNU General Public License
  19         along with this program; if not, write to the Free Software
  20         Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21 */
  22
  23
  24 #include <dlfcn.h>
  25 #include <signal.h>
  26 #include <AGL/agl.h>
  27 #include <OpenGL/OpenGL.h>
  28 #include <Carbon/Carbon.h>
  29 #include <IOKit/hidsystem/IOHIDLib.h>
  30 #include <IOKit/hidsystem/IOHIDParameter.h>
  31 #include <IOKit/hidsystem/event_status_driver.h>
  32 #include "quakedef.h"
  33 #include "vid_agl_mackeys.h" // this is SDL/src/video/maccommon/SDL_mackeys.h
  34
  35 #ifndef kCGLCEMPEngine
  36 #define kCGLCEMPEngine 313
  37 #endif
  38
  39 // Tell startup code that we have a client
  40 int cl_available = true;
  41
  42 qboolean vid_supportrefreshrate = true;
  43
  44 // AGL prototypes
  45 AGLPixelFormat (*qaglChoosePixelFormat) (const AGLDevice *gdevs, GLint ndev, const GLint *attribList);
  46 AGLContext (*qaglCreateContext) (AGLPixelFormat pix, AGLContext share);
  47 GLboolean (*qaglDestroyContext) (AGLContext ctx);
  48 void (*qaglDestroyPixelFormat) (AGLPixelFormat pix);
  49 const GLubyte* (*qaglErrorString) (GLenum code);
  50 GLenum (*qaglGetError) (void);
  51 GLboolean (*qaglSetCurrentContext) (AGLContext ctx);
  52 GLboolean (*qaglSetDrawable) (AGLContext ctx, AGLDrawable draw);
  53 GLboolean (*qaglSetFullScreen) (AGLContext ctx, GLsizei width, GLsizei height, GLsizei freq, GLint device);
  54 GLboolean (*qaglSetInteger) (AGLContext ctx, GLenum pname, const GLint *params);
  55 void (*qaglSwapBuffers) (AGLContext ctx);
  56 CGLError (*qCGLEnable) (CGLContextObj ctx, CGLContextEnable pname);
  57 CGLError (*qCGLDisable) (CGLContextObj ctx, CGLContextEnable pname);
  58 CGLContextObj (*qCGLGetCurrentContext) (void);
  59
  60 static qboolean multithreadedgl;
  61 static qboolean mouse_avail = true;
  62 static qboolean vid_usingmouse = false;
  63 static qboolean vid_usinghidecursor = false;
  64 static qboolean vid_usingnoaccel = false;
  65
  66 static qboolean vid_isfullscreen = false;
  67 static qboolean vid_usingvsync = false;
  68
  69 static qboolean sound_active = true;
  70
  71 static cvar_t apple_multithreadedgl = {CVAR_SAVE, "apple_multithreadedgl", "1", "makes use of a second thread for the OpenGL driver (if possible) rather than using the engine thread (note: this is done automatically on most other operating systems)"};
  72 static cvar_t apple_mouse_noaccel = {CVAR_SAVE, "apple_mouse_noaccel", "1", "disables mouse acceleration while DarkPlaces is active"};
  73
  74 static AGLContext context;
  75 static WindowRef window;
  76
  77 static double originalMouseSpeed = -1.0;
  78
  79 io_connect_t IN_GetIOHandle(void)
  80 {
  81         io_connect_t iohandle = MACH_PORT_NULL;
  82         kern_return_t status;
  83         io_service_t iohidsystem = MACH_PORT_NULL;
  84         mach_port_t masterport;
  85
  86         status = IOMasterPort(MACH_PORT_NULL, &masterport);
  87         if(status != KERN_SUCCESS)
  88                 return 0;
  89
  90         iohidsystem = IORegistryEntryFromPath(masterport, kIOServicePlane ":/IOResources/IOHIDSystem");
  91         if(!iohidsystem)
  92                 return 0;
  93
  94         status = IOServiceOpen(iohidsystem, mach_task_self(), kIOHIDParamConnectType, &iohandle);
  95         IOObjectRelease(iohidsystem);
  96
  97         return iohandle;
  98 }
  99
 100 void VID_SetMouse(qboolean fullscreengrab, qboolean relative, qboolean hidecursor)
 101 {
 102         if (!mouse_avail || !window)
 103                 relative = hidecursor = false;
 104
 105         if (relative)
 106         {
 107                 if(vid_usingmouse && (vid_usingnoaccel != !!apple_mouse_noaccel.integer))
 108                         VID_SetMouse(false, false, false); // ungrab first!
 109                 if (!vid_usingmouse)
 110                 {
 111                         Rect winBounds;
 112                         CGPoint winCenter;
 113
 114                         SelectWindow(window);
 115
 116                         // Put the mouse cursor at the center of the window
 117                         GetWindowBounds (window, kWindowContentRgn, &winBounds);
 118                         winCenter.x = (winBounds.left + winBounds.right) / 2;
 119                         winCenter.y = (winBounds.top + winBounds.bottom) / 2;
 120                         CGWarpMouseCursorPosition(winCenter);
 121
 122                         // Lock the mouse pointer at its current position
 123                         CGAssociateMouseAndMouseCursorPosition(false);
 124
 125                         // Save the status of mouse acceleration
 126                         originalMouseSpeed = -1.0; // in case of error
 127                         if(apple_mouse_noaccel.integer)
 128                         {
 129                                 io_connect_t mouseDev = IN_GetIOHandle();
 130                                 if(mouseDev != 0)
 131                                 {
 132                                         if(IOHIDGetAccelerationWithKey(mouseDev, CFSTR(kIOHIDMouseAccelerationType), &originalMouseSpeed) == kIOReturnSuccess)
 133                                         {
 134                                                 Con_DPrintf("previous mouse acceleration: %f\n", originalMouseSpeed);
 135                                                 if(IOHIDSetAccelerationWithKey(mouseDev, CFSTR(kIOHIDMouseAccelerationType), -1.0) != kIOReturnSuccess)
 136                                                 {
 137                                                         Con_Print("Could not disable mouse acceleration (failed at IOHIDSetAccelerationWithKey).\n");
 138                                                         Cvar_SetValueQuick(&apple_mouse_noaccel, 0);
 139                                                 }
 140                                         }
 141                                         else
 142                                         {
 143                                                 Con_Print("Could not disable mouse acceleration (failed at IOHIDGetAccelerationWithKey).\n");
 144                                                 Cvar_SetValueQuick(&apple_mouse_noaccel, 0);
 145                                         }
 146                                         IOServiceClose(mouseDev);
 147                                 }
 148                                 else
 149                                 {
 150                                         Con_Print("Could not disable mouse acceleration (failed at IO_GetIOHandle).\n");
 151                                         Cvar_SetValueQuick(&apple_mouse_noaccel, 0);
 152                                 }
 153                         }
 154
 155                         vid_usingmouse = true;
 156                         vid_usingnoaccel = !!apple_mouse_noaccel.integer;
 157                 }
 158         }
 159         else
 160         {
 161                 if (vid_usingmouse)
 162                 {
 163                         if(originalMouseSpeed != -1.0)
 164                         {
 165                                 io_connect_t mouseDev = IN_GetIOHandle();
 166                                 if(mouseDev != 0)
 167                                 {
 168                                         Con_DPrintf("restoring mouse acceleration to: %f\n", originalMouseSpeed);
 169                                         if(IOHIDSetAccelerationWithKey(mouseDev, CFSTR(kIOHIDMouseAccelerationType), originalMouseSpeed) != kIOReturnSuccess)
 170                                                 Con_Print("Could not re-enable mouse acceleration (failed at IOHIDSetAccelerationWithKey).\n");
 171                                         IOServiceClose(mouseDev);
 172                                 }
 173                                 else
 174                                         Con_Print("Could not re-enable mouse acceleration (failed at IO_GetIOHandle).\n");
 175                         }
 176
 177                         CGAssociateMouseAndMouseCursorPosition(true);
 178
 179                         vid_usingmouse = false;
 180                 }
 181         }
 182
 183         if (vid_usinghidecursor != hidecursor)
 184         {
 185                 vid_usinghidecursor = hidecursor;
 186                 if (hidecursor)
 187                         CGDisplayHideCursor(CGMainDisplayID());
 188                 else
 189                         CGDisplayShowCursor(CGMainDisplayID());
 190         }
 191 }
 192
 193 #define GAMMA_TABLE_SIZE 256
 194 void VID_Finish (void)
 195 {
 196         qboolean vid_usevsync;
 197
 198         // handle changes of the vsync option
 199         vid_usevsync = (vid_vsync.integer && !cls.timedemo);
 200         if (vid_usingvsync != vid_usevsync)
 201         {
 202                 GLint sync = (vid_usevsync ? 1 : 0);
 203
 204                 if (qaglSetInteger(context, AGL_SWAP_INTERVAL, &sync) == GL_TRUE)
 205                 {
 206                         vid_usingvsync = vid_usevsync;
 207                         Con_DPrintf("Vsync %s\n", vid_usevsync ? "activated" : "deactivated");
 208                 }
 209                 else
 210                         Con_Printf("ERROR: can't %s vsync\n", vid_usevsync ? "activate" : "deactivate");
 211         }
 212
 213         if (!vid_hidden)
 214         {
 215                 if (r_speeds.integer == 2 || gl_finish.integer)
 216                         GL_Finish();
 217                 qaglSwapBuffers(context);
 218         }
 219         VID_UpdateGamma(false, GAMMA_TABLE_SIZE);
 220
 221         if (apple_multithreadedgl.integer)
 222         {
 223                 if (!multithreadedgl)
 224                 {
 225                         if(qCGLGetCurrentContext && qCGLEnable && qCGLDisable)
 226                         {
 227                                 CGLContextObj ctx = qCGLGetCurrentContext();
 228                                 CGLError e = qCGLEnable(ctx, kCGLCEMPEngine);
 229                                 if(e == kCGLNoError)
 230                                         multithreadedgl = true;
 231                                 else
 232                                 {
 233                                         Con_Printf("WARNING: can't enable multithreaded GL, error %d\n", (int) e);
 234                                         Cvar_SetValueQuick(&apple_multithreadedgl, 0);
 235                                 }
 236                         }
 237                         else
 238                         {
 239                                 Con_Printf("WARNING: can't enable multithreaded GL, CGL functions not present\n");
 240                                 Cvar_SetValueQuick(&apple_multithreadedgl, 0);
 241                         }
 242                 }
 243         }
 244         else
 245         {
 246                 if (multithreadedgl)
 247                 {
 248                         if(qCGLGetCurrentContext && qCGLEnable && qCGLDisable)
 249                         {
 250                                 CGLContextObj ctx = qCGLGetCurrentContext();
 251                                 qCGLDisable(ctx, kCGLCEMPEngine);
 252                                 multithreadedgl = false;
 253                         }
 254                 }
 255         }
 256 }
 257
 258 int VID_SetGamma(unsigned short *ramps, int rampsize)
 259 {
 260         CGGammaValue table_red [GAMMA_TABLE_SIZE];
 261         CGGammaValue table_green [GAMMA_TABLE_SIZE];
 262         CGGammaValue table_blue [GAMMA_TABLE_SIZE];
 263         int i;
 264
 265         // Convert the unsigned short table into 3 float tables
 266         for (i = 0; i < rampsize; i++)
 267                 table_red[i] = (float)ramps[i] / 65535.0f;
 268         for (i = 0; i < rampsize; i++)
 269                 table_green[i] = (float)ramps[i + rampsize] / 65535.0f;
 270         for (i = 0; i < rampsize; i++)
 271                 table_blue[i] = (float)ramps[i + 2 * rampsize] / 65535.0f;
 272
 273         if (CGSetDisplayTransferByTable(CGMainDisplayID(), rampsize, table_red, table_green, table_blue) != CGDisplayNoErr)
 274         {
 275                 Con_Print("VID_SetGamma: ERROR: CGSetDisplayTransferByTable failed!\n");
 276                 return false;
 277         }
 278
 279         return true;
 280 }
 281
 282 int VID_GetGamma(unsigned short *ramps, int rampsize)
 283 {
 284         CGGammaValue table_red [GAMMA_TABLE_SIZE];
 285         CGGammaValue table_green [GAMMA_TABLE_SIZE];
 286         CGGammaValue table_blue [GAMMA_TABLE_SIZE];
 287         CGTableCount actualsize = 0;
 288         int i;
 289
 290         // Get the gamma ramps from the system
 291         if (CGGetDisplayTransferByTable(CGMainDisplayID(), rampsize, table_red, table_green, table_blue, &actualsize) != CGDisplayNoErr)
 292         {
 293                 Con_Print("VID_GetGamma: ERROR: CGGetDisplayTransferByTable failed!\n");
 294                 return false;
 295         }
 296         if (actualsize != (unsigned int)rampsize)
 297         {
 298                 Con_Printf("VID_GetGamma: ERROR: invalid gamma table size (%u != %u)\n", actualsize, rampsize);
 299                 return false;
 300         }
 301
 302         // Convert the 3 float tables into 1 unsigned short table
 303         for (i = 0; i < rampsize; i++)
 304                 ramps[i] = table_red[i] * 65535.0f;
 305         for (i = 0; i < rampsize; i++)
 306                 ramps[i + rampsize] = table_green[i] * 65535.0f;
 307         for (i = 0; i < rampsize; i++)
 308                 ramps[i + 2 * rampsize] = table_blue[i] * 65535.0f;
 309
 310         return true;
 311 }
 312
 313 void signal_handler(int sig)
 314 {
 315         printf("Received signal %d, exiting...\n", sig);
 316         VID_RestoreSystemGamma();
 317         Sys_Quit(1);
 318 }
 319
 320 void InitSig(void)
 321 {
 322         signal(SIGHUP, signal_handler);
 323         signal(SIGINT, signal_handler);
 324         signal(SIGQUIT, signal_handler);
 325         signal(SIGILL, signal_handler);
 326         signal(SIGTRAP, signal_handler);
 327         signal(SIGIOT, signal_handler);
 328         signal(SIGBUS, signal_handler);
 329         signal(SIGFPE, signal_handler);
 330         signal(SIGSEGV, signal_handler);
 331         signal(SIGTERM, signal_handler);
 332 }
 333
 334 void VID_Init(void)
 335 {
 336         InitSig(); // trap evil signals
 337         Cvar_RegisterVariable(&apple_multithreadedgl);
 338         Cvar_RegisterVariable(&apple_mouse_noaccel);
 339 // COMMANDLINEOPTION: Input: -nomouse disables mouse support (see also vid_mouse cvar)
 340         if (COM_CheckParm ("-nomouse"))
 341                 mouse_avail = false;
 342 }
 343
 344 static void *prjobj = NULL;
 345 static void *cglobj = NULL;
 346
 347 static void GL_CloseLibrary(void)
 348 {
 349         if (cglobj)
 350                 dlclose(cglobj);
 351         cglobj = NULL;
 352         if (prjobj)
 353                 dlclose(prjobj);
 354         prjobj = NULL;
 355         gl_driver[0] = 0;
 356         gl_extensions = "";
 357         gl_platform = "";
 358         gl_platformextensions = "";
 359 }
 360
 361 static int GL_OpenLibrary(void)
 362 {
 363         const char *name = "/System/Library/Frameworks/AGL.framework/AGL";
 364         const char *name2 = "/System/Library/Frameworks/OpenGL.framework/OpenGL";
 365
 366         Con_Printf("Loading OpenGL driver %s\n", name);
 367         GL_CloseLibrary();
 368         if (!(prjobj = dlopen(name, RTLD_LAZY)))
 369         {
 370                 Con_Printf("Unable to open symbol list for %s\n", name);
 371                 return false;
 372         }
 373         strlcpy(gl_driver, name, sizeof(gl_driver));
 374
 375         Con_Printf("Loading OpenGL driver %s\n", name2);
 376         if (!(cglobj = dlopen(name2, RTLD_LAZY)))
 377                 Con_Printf("Unable to open symbol list for %s; multithreaded GL disabled\n", name);
 378
 379         return true;
 380 }
 381
 382 void *GL_GetProcAddress(const char *name)
 383 {
 384         return dlsym(prjobj, name);
 385 }
 386
 387 static void *CGL_GetProcAddress(const char *name)
 388 {
 389         if(!cglobj)
 390                 return NULL;
 391         return dlsym(cglobj, name);
 392 }
 393
 394 void VID_Shutdown(void)
 395 {
 396         if (context == NULL && window == NULL)
 397                 return;
 398
 399         VID_EnableJoystick(false);
 400         VID_SetMouse(false, false, false);
 401         VID_RestoreSystemGamma();
 402
 403         if (context != NULL)
 404         {
 405                 qaglDestroyContext(context);
 406                 context = NULL;
 407         }
 408
 409         if (vid_isfullscreen)
 410                 CGReleaseAllDisplays();
 411
 412         if (window != NULL)
 413         {
 414                 DisposeWindow(window);
 415                 window = NULL;
 416         }
 417
 418         vid_hidden = true;
 419         vid_isfullscreen = false;
 420
 421         GL_CloseLibrary();
 422         Key_ClearStates ();
 423 }
 424
 425 // Since the event handler can be called at any time, we store the events for later processing
 426 static qboolean AsyncEvent_Quitting = false;
 427 static qboolean AsyncEvent_Collapsed = false;
 428 static OSStatus MainWindowEventHandler (EventHandlerCallRef nextHandler, EventRef event, void *userData)
 429 {
 430         OSStatus err = noErr;
 431
 432         switch (GetEventKind (event))
 433         {
 434                 case kEventWindowClosed:
 435                         AsyncEvent_Quitting = true;
 436                         break;
 437
 438                 // Docked (start)
 439                 case kEventWindowCollapsing:
 440                         AsyncEvent_Collapsed = true;
 441                         break;
 442
 443                 // Undocked / restored (end)
 444                 case kEventWindowExpanded:
 445                         AsyncEvent_Collapsed = false;
 446                         break;
 447
 448                 default:
 449                         err = eventNotHandledErr;
 450                         break;
 451         }
 452
 453         return err;
 454 }
 455
 456 static void VID_AppFocusChanged(qboolean windowIsActive)
 457 {
 458         if (vid_activewindow != windowIsActive)
 459         {
 460                 vid_activewindow = windowIsActive;
 461                 if (!vid_activewindow)
 462                         VID_RestoreSystemGamma();
 463         }
 464
 465         if (windowIsActive || !snd_mutewhenidle.integer)
 466         {
 467                 if (!sound_active)
 468                 {
 469                         S_UnblockSound ();
 470                         sound_active = true;
 471                 }
 472         }
 473         else
 474         {
 475                 if (sound_active)
 476                 {
 477                         S_BlockSound ();
 478                         sound_active = false;
 479                 }
 480         }
 481 }
 482
 483 static void VID_ProcessPendingAsyncEvents (void)
 484 {
 485         // Collapsed / expanded
 486         if (AsyncEvent_Collapsed != vid_hidden)
 487         {
 488                 vid_hidden = !vid_hidden;
 489                 VID_AppFocusChanged(!vid_hidden);
 490         }
 491
 492         // Closed
 493         if (AsyncEvent_Quitting)
 494                 Sys_Quit(0);
 495 }
 496
 497 static void VID_BuildAGLAttrib(GLint *attrib, qboolean stencil, qboolean fullscreen, qboolean stereobuffer, int samples)
 498 {
 499         *attrib++ = AGL_RGBA;
 500         *attrib++ = AGL_RED_SIZE;*attrib++ = stencil ? 8 : 5;
 501         *attrib++ = AGL_GREEN_SIZE;*attrib++ = stencil ? 8 : 5;
 502         *attrib++ = AGL_BLUE_SIZE;*attrib++ = stencil ? 8 : 5;
 503         *attrib++ = AGL_DOUBLEBUFFER;
 504         *attrib++ = AGL_DEPTH_SIZE;*attrib++ = stencil ? 24 : 16;
 505
 506         // if stencil is enabled, ask for alpha too
 507         if (stencil)
 508         {
 509                 *attrib++ = AGL_STENCIL_SIZE;*attrib++ = 8;
 510                 *attrib++ = AGL_ALPHA_SIZE;*attrib++ = 8;
 511         }
 512         if (fullscreen)
 513                 *attrib++ = AGL_FULLSCREEN;
 514         if (stereobuffer)
 515                 *attrib++ = AGL_STEREO;
 516 #ifdef AGL_SAMPLE_BUFFERS_ARB
 517 #ifdef AGL_SAMPLES_ARB
 518         if (samples > 1)
 519         {
 520                 *attrib++ = AGL_SAMPLE_BUFFERS_ARB;
 521                 *attrib++ = 1;
 522                 *attrib++ = AGL_SAMPLES_ARB;
 523                 *attrib++ = samples;
 524         }
 525 #endif
 526 #endif
 527
 528         *attrib++ = AGL_NONE;
 529 }
 530
 531 qboolean VID_InitMode(viddef_mode_t *mode)
 532 {
 533         const EventTypeSpec winEvents[] =
 534         {
 535                 { kEventClassWindow, kEventWindowClosed },
 536                 { kEventClassWindow, kEventWindowCollapsing },
 537                 { kEventClassWindow, kEventWindowExpanded },
 538         };
 539         OSStatus carbonError;
 540         Rect windowBounds;
 541         CFStringRef windowTitle;
 542         AGLPixelFormat pixelFormat;
 543         GLint attributes [32];
 544         GLenum error;
 545
 546         if (!GL_OpenLibrary())
 547         {
 548                 Con_Printf("Unable to load GL driver\n");
 549                 return false;
 550         }
 551
 552         if ((qaglChoosePixelFormat = (AGLPixelFormat (*) (const AGLDevice *gdevs, GLint ndev, const GLint *attribList))GL_GetProcAddress("aglChoosePixelFormat")) == NULL
 553          || (qaglCreateContext = (AGLContext (*) (AGLPixelFormat pix, AGLContext share))GL_GetProcAddress("aglCreateContext")) == NULL
 554          || (qaglDestroyContext = (GLboolean (*) (AGLContext ctx))GL_GetProcAddress("aglDestroyContext")) == NULL
 555          || (qaglDestroyPixelFormat = (void (*) (AGLPixelFormat pix))GL_GetProcAddress("aglDestroyPixelFormat")) == NULL
 556          || (qaglErrorString = (const GLubyte* (*) (GLenum code))GL_GetProcAddress("aglErrorString")) == NULL
 557          || (qaglGetError = (GLenum (*) (void))GL_GetProcAddress("aglGetError")) == NULL
 558          || (qaglSetCurrentContext = (GLboolean (*) (AGLContext ctx))GL_GetProcAddress("aglSetCurrentContext")) == NULL
 559          || (qaglSetDrawable = (GLboolean (*) (AGLContext ctx, AGLDrawable draw))GL_GetProcAddress("aglSetDrawable")) == NULL
 560          || (qaglSetFullScreen = (GLboolean (*) (AGLContext ctx, GLsizei width, GLsizei height, GLsizei freq, GLint device))GL_GetProcAddress("aglSetFullScreen")) == NULL
 561          || (qaglSetInteger = (GLboolean (*) (AGLContext ctx, GLenum pname, const GLint *params))GL_GetProcAddress("aglSetInteger")) == NULL
 562          || (qaglSwapBuffers = (void (*) (AGLContext ctx))GL_GetProcAddress("aglSwapBuffers")) == NULL
 563         )
 564         {
 565                 Con_Printf("AGL functions not found\n");
 566                 ReleaseWindow(window);
 567                 return false;
 568         }
 569
 570         qCGLEnable = (CGLError (*) (CGLContextObj ctx, CGLContextEnable pname)) CGL_GetProcAddress("CGLEnable");
 571         qCGLDisable = (CGLError (*) (CGLContextObj ctx, CGLContextEnable pname)) CGL_GetProcAddress("CGLDisable");
 572         qCGLGetCurrentContext = (CGLContextObj (*) (void)) CGL_GetProcAddress("CGLGetCurrentContext");
 573         if(!qCGLEnable || !qCGLDisable || !qCGLGetCurrentContext)
 574                 Con_Printf("CGL functions not found; disabling multithreaded OpenGL\n");
 575
 576         // Ignore the events from the previous window
 577         AsyncEvent_Quitting = false;
 578         AsyncEvent_Collapsed = false;
 579
 580         // Create the window, a bit towards the center of the screen
 581         windowBounds.left = 100;
 582         windowBounds.top = 100;
 583         windowBounds.right = mode->width + 100;
 584         windowBounds.bottom = mode->height + 100;
 585         carbonError = CreateNewWindow(kDocumentWindowClass, kWindowStandardFloatingAttributes | kWindowStandardHandlerAttribute, &windowBounds, &window);
 586         if (carbonError != noErr || window == NULL)
 587         {
 588                 Con_Printf("Unable to create window (error %u)\n", (unsigned)carbonError);
 589                 return false;
 590         }
 591
 592         // Set the window title
 593         windowTitle = CFSTR("DarkPlaces AGL");
 594         SetWindowTitleWithCFString(window, windowTitle);
 595
 596         // Install the callback function for the window events we can't get
 597         // through ReceiveNextEvent (i.e. close, collapse, and expand)
 598         InstallWindowEventHandler (window, NewEventHandlerUPP (MainWindowEventHandler),
 599                                                            GetEventTypeCount(winEvents), winEvents, window, NULL);
 600
 601         // Create the desired attribute list
 602         VID_BuildAGLAttrib(attributes, mode->bitsperpixel == 32, mode->fullscreen, mode->stereobuffer, mode->samples);
 603
 604         if (!mode->fullscreen)
 605         {
 606                 // Output to Window
 607                 pixelFormat = qaglChoosePixelFormat(NULL, 0, attributes);
 608                 error = qaglGetError();
 609                 if (error != AGL_NO_ERROR)
 610                 {
 611                         Con_Printf("qaglChoosePixelFormat FAILED: %s\n",
 612                                         (char *)qaglErrorString(error));
 613                         ReleaseWindow(window);
 614                         return false;
 615                 }
 616         }
 617         else  // Output is fullScreen
 618         {
 619                 CGDirectDisplayID mainDisplay;
 620                 CFDictionaryRef refDisplayMode;
 621                 GDHandle gdhDisplay;
 622
 623                 // Get the mainDisplay and set resolution to current
 624                 mainDisplay = CGMainDisplayID();
 625                 CGDisplayCapture(mainDisplay);
 626
 627                 // TOCHECK: not sure whether or not it's necessary to change the resolution
 628                 // "by hand", or if aglSetFullscreen does the job anyway
 629                 refDisplayMode = CGDisplayBestModeForParametersAndRefreshRateWithProperty(mainDisplay, mode->bitsperpixel, mode->width, mode->height, mode->refreshrate, kCGDisplayModeIsSafeForHardware, NULL);
 630                 CGDisplaySwitchToMode(mainDisplay, refDisplayMode);
 631                 DMGetGDeviceByDisplayID((DisplayIDType)mainDisplay, &gdhDisplay, false);
 632
 633                 // Set pixel format with built attribs
 634                 // Note: specifying a device is *required* for AGL_FullScreen
 635                 pixelFormat = qaglChoosePixelFormat(&gdhDisplay, 1, attributes);
 636                 error = qaglGetError();
 637                 if (error != AGL_NO_ERROR)
 638                 {
 639                         Con_Printf("qaglChoosePixelFormat FAILED: %s\n",
 640                                                 (char *)qaglErrorString(error));
 641                         ReleaseWindow(window);
 642                         return false;
 643                 }
 644         }
 645
 646         // Create a context using the pform
 647         context = qaglCreateContext(pixelFormat, NULL);
 648         error = qaglGetError();
 649         if (error != AGL_NO_ERROR)
 650         {
 651                 Con_Printf("qaglCreateContext FAILED: %s\n",
 652                                         (char *)qaglErrorString(error));
 653         }
 654
 655         // Make the context the current one ('enable' it)
 656         qaglSetCurrentContext(context);
 657         error = qaglGetError();
 658         if (error != AGL_NO_ERROR)
 659         {
 660                 Con_Printf("qaglSetCurrentContext FAILED: %s\n",
 661                                         (char *)qaglErrorString(error));
 662                 ReleaseWindow(window);
 663                 return false;
 664         }
 665
 666         // Discard pform
 667         qaglDestroyPixelFormat(pixelFormat);
 668
 669         // Attempt fullscreen if requested
 670         if (mode->fullscreen)
 671         {
 672                 qaglSetFullScreen (context, mode->width, mode->height, mode->refreshrate, 0);
 673                 error = qaglGetError();
 674                 if (error != AGL_NO_ERROR)
 675                 {
 676                         Con_Printf("qaglSetFullScreen FAILED: %s\n",
 677                                                 (char *)qaglErrorString(error));
 678                         return false;
 679                 }
 680         }
 681         else
 682         {
 683                 // Set Window as Drawable
 684                 qaglSetDrawable(context, GetWindowPort(window));
 685                 error = qaglGetError();
 686                 if (error != AGL_NO_ERROR)
 687                 {
 688                         Con_Printf("qaglSetDrawable FAILED: %s\n",
 689                                                 (char *)qaglErrorString(error));
 690                         ReleaseWindow(window);
 691                         return false;
 692                 }
 693         }
 694
 695         if ((qglGetString = (const GLubyte* (GLAPIENTRY *)(GLenum name))GL_GetProcAddress("glGetString")) == NULL)
 696                 Sys_Error("glGetString not found in %s", gl_driver);
 697
 698         gl_platformextensions = "";
 699         gl_platform = "AGL";
 700
 701         multithreadedgl = false;
 702         vid_isfullscreen = mode->fullscreen;
 703         vid_usingmouse = false;
 704         vid_usinghidecursor = false;
 705         vid_hidden = false;
 706         vid_activewindow = true;
 707         sound_active = true;
 708         GL_Init();
 709
 710         SelectWindow(window);
 711         ShowWindow(window);
 712
 713         return true;
 714 }
 715
 716 static void Handle_KeyMod(UInt32 keymod)
 717 {
 718         const struct keymod_to_event_s { UInt32 keybit; keynum_t event; } keymod_events [] =
 719         {
 720                 { cmdKey,                                               K_AUX1 },
 721                 { shiftKey,                                             K_SHIFT },
 722                 { alphaLock,                                    K_CAPSLOCK },
 723                 { optionKey,                                    K_ALT },
 724                 { controlKey,                                   K_CTRL },
 725                 { kEventKeyModifierNumLockMask, K_NUMLOCK },
 726                 { kEventKeyModifierFnMask,              K_AUX2 }
 727         };
 728         static UInt32 prev_keymod = 0;
 729         unsigned int i;
 730         UInt32 modChanges;
 731
 732         modChanges = prev_keymod ^ keymod;
 733         if (modChanges == 0)
 734                 return;
 735
 736         for (i = 0; i < sizeof(keymod_events) / sizeof(keymod_events[0]); i++)
 737         {
 738                 UInt32 keybit = keymod_events[i].keybit;
 739
 740                 if ((modChanges & keybit) != 0)
 741                         Key_Event(keymod_events[i].event, '\0', (keymod & keybit) != 0);
 742         }
 743
 744         prev_keymod = keymod;
 745 }
 746
 747 static void Handle_Key(unsigned char charcode, UInt32 mackeycode, qboolean keypressed)
 748 {
 749         unsigned int keycode = 0;
 750         char ascii = '\0';
 751
 752         switch (mackeycode)
 753         {
 754                 case MK_ESCAPE:
 755                         keycode = K_ESCAPE;
 756                         break;
 757                 case MK_F1:
 758                         keycode = K_F1;
 759                         break;
 760                 case MK_F2:
 761                         keycode = K_F2;
 762                         break;
 763                 case MK_F3:
 764                         keycode = K_F3;
 765                         break;
 766                 case MK_F4:
 767                         keycode = K_F4;
 768                         break;
 769                 case MK_F5:
 770                         keycode = K_F5;
 771                         break;
 772                 case MK_F6:
 773                         keycode = K_F6;
 774                         break;
 775                 case MK_F7:
 776                         keycode = K_F7;
 777                         break;
 778                 case MK_F8:
 779                         keycode = K_F8;
 780                         break;
 781                 case MK_F9:
 782                         keycode = K_F9;
 783                         break;
 784                 case MK_F10:
 785                         keycode = K_F10;
 786                         break;
 787                 case MK_F11:
 788                         keycode = K_F11;
 789                         break;
 790                 case MK_F12:
 791                         keycode = K_F12;
 792                         break;
 793                 case MK_SCROLLOCK:
 794                         keycode = K_SCROLLOCK;
 795                         break;
 796                 case MK_PAUSE:
 797                         keycode = K_PAUSE;
 798                         break;
 799                 case MK_BACKSPACE:
 800                         keycode = K_BACKSPACE;
 801                         break;
 802                 case MK_INSERT:
 803                         keycode = K_INS;
 804                         break;
 805                 case MK_HOME:
 806                         keycode = K_HOME;
 807                         break;
 808                 case MK_PAGEUP:
 809                         keycode = K_PGUP;
 810                         break;
 811                 case MK_NUMLOCK:
 812                         keycode = K_NUMLOCK;
 813                         break;
 814                 case MK_KP_EQUALS:
 815                         keycode = K_KP_EQUALS;
 816                         break;
 817                 case MK_KP_DIVIDE:
 818                         keycode = K_KP_DIVIDE;
 819                         break;
 820                 case MK_KP_MULTIPLY:
 821                         keycode = K_KP_MULTIPLY;
 822                         break;
 823                 case MK_TAB:
 824                         keycode = K_TAB;
 825                         break;
 826                 case MK_DELETE:
 827                         keycode = K_DEL;
 828                         break;
 829                 case MK_END:
 830                         keycode = K_END;
 831                         break;
 832                 case MK_PAGEDOWN:
 833                         keycode = K_PGDN;
 834                         break;
 835                 case MK_KP7:
 836                         keycode = K_KP_7;
 837                         break;
 838                 case MK_KP8:
 839                         keycode = K_KP_8;
 840                         break;
 841                 case MK_KP9:
 842                         keycode = K_KP_9;
 843                         break;
 844                 case MK_KP_MINUS:
 845                         keycode = K_KP_MINUS;
 846                         break;
 847                 case MK_CAPSLOCK:
 848                         keycode = K_CAPSLOCK;
 849                         break;
 850                 case MK_RETURN:
 851                         keycode = K_ENTER;
 852                         break;
 853                 case MK_KP4:
 854                         keycode = K_KP_4;
 855                         break;
 856                 case MK_KP5:
 857                         keycode = K_KP_5;
 858                         break;
 859                 case MK_KP6:
 860                         keycode = K_KP_6;
 861                         break;
 862                 case MK_KP_PLUS:
 863                         keycode = K_KP_PLUS;
 864                         break;
 865                 case MK_KP1:
 866                         keycode = K_KP_1;
 867                         break;
 868                 case MK_KP2:
 869                         keycode = K_KP_2;
 870                         break;
 871                 case MK_KP3:
 872                         keycode = K_KP_3;
 873                         break;
 874                 case MK_KP_ENTER:
 875                 case MK_IBOOK_ENTER:
 876                         keycode = K_KP_ENTER;
 877                         break;
 878                 case MK_KP0:
 879                         keycode = K_KP_0;
 880                         break;
 881                 case MK_KP_PERIOD:
 882                         keycode = K_KP_PERIOD;
 883                         break;
 884                 default:
 885                         switch(charcode)
 886                         {
 887                                 case kUpArrowCharCode:
 888                                         keycode = K_UPARROW;
 889                                         break;
 890                                 case kLeftArrowCharCode:
 891                                         keycode = K_LEFTARROW;
 892                                         break;
 893                                 case kDownArrowCharCode:
 894                                         keycode = K_DOWNARROW;
 895                                         break;
 896                                 case kRightArrowCharCode:
 897                                         keycode = K_RIGHTARROW;
 898                                         break;
 899                                 case 0:
 900                                 case 191:
 901                                         // characters 0 and 191 are sent by the mouse buttons (?!)
 902                                         break;
 903                                 default:
 904                                         if ('A' <= charcode && charcode <= 'Z')
 905                                         {
 906                                                 keycode = charcode + ('a' - 'A');  // lowercase it
 907                                                 ascii = charcode;
 908                                         }
 909                                         else if (charcode >= 32)
 910                                         {
 911                                                 keycode = charcode;
 912                                                 ascii = charcode;
 913                                         }
 914                                         else
 915                                                 Con_DPrintf(">> UNKNOWN char/keycode: %d/%u <<\n", charcode, (unsigned) mackeycode);
 916                         }
 917         }
 918
 919         if (keycode != 0)
 920                 Key_Event(keycode, ascii, keypressed);
 921 }
 922
 923 void Sys_SendKeyEvents(void)
 924 {
 925         EventRef theEvent;
 926         EventTargetRef theTarget;
 927
 928         // Start by processing the asynchronous events we received since the previous frame
 929         VID_ProcessPendingAsyncEvents();
 930
 931         theTarget = GetEventDispatcherTarget();
 932         while (ReceiveNextEvent(0, NULL, kEventDurationNoWait, true, &theEvent) == noErr)
 933         {
 934                 UInt32 eventClass = GetEventClass(theEvent);
 935                 UInt32 eventKind = GetEventKind(theEvent);
 936
 937                 switch (eventClass)
 938                 {
 939                         case kEventClassMouse:
 940                         {
 941                                 EventMouseButton theButton;
 942                                 int key;
 943
 944                                 switch (eventKind)
 945                                 {
 946                                         case kEventMouseDown:
 947                                         case kEventMouseUp:
 948                                                 GetEventParameter(theEvent, kEventParamMouseButton, typeMouseButton, NULL, sizeof(theButton), NULL, &theButton);
 949                                                 switch (theButton)
 950                                                 {
 951                                                         default:
 952                                                         case kEventMouseButtonPrimary:
 953                                                                 key = K_MOUSE1;
 954                                                                 break;
 955                                                         case kEventMouseButtonSecondary:
 956                                                                 key = K_MOUSE2;
 957                                                                 break;
 958                                                         case kEventMouseButtonTertiary:
 959                                                                 key = K_MOUSE3;
 960                                                                 break;
 961                                                 }
 962                                                 Key_Event(key, '\0', eventKind == kEventMouseDown);
 963                                                 break;
 964
 965                                         // Note: These two events are mutual exclusives
 966                                         // Treat MouseDragged in the same statement, so we don't block MouseMoved while a mousebutton is held
 967                                         case kEventMouseMoved:
 968                                         case kEventMouseDragged:
 969                                         {
 970                                                 HIPoint deltaPos;
 971                                                 HIPoint windowPos;
 972
 973                                                 GetEventParameter(theEvent, kEventParamMouseDelta, typeHIPoint, NULL, sizeof(deltaPos), NULL, &deltaPos);
 974                                                 GetEventParameter(theEvent, kEventParamWindowMouseLocation, typeHIPoint, NULL, sizeof(windowPos), NULL, &windowPos);
 975
 976                                                 if (vid_usingmouse)
 977                                                 {
 978                                                         in_mouse_x += deltaPos.x;
 979                                                         in_mouse_y += deltaPos.y;
 980                                                 }
 981
 982                                                 in_windowmouse_x = windowPos.x;
 983                                                 in_windowmouse_y = windowPos.y;
 984                                                 break;
 985                                         }
 986
 987                                         case kEventMouseWheelMoved:
 988                                         {
 989                                                 SInt32 delta;
 990                                                 unsigned int wheelEvent;
 991
 992                                                 GetEventParameter(theEvent, kEventParamMouseWheelDelta, typeSInt32, NULL, sizeof(delta), NULL, &delta);
 993
 994                                                 wheelEvent = (delta > 0) ? K_MWHEELUP : K_MWHEELDOWN;
 995                                                 Key_Event(wheelEvent, 0, true);
 996                                                 Key_Event(wheelEvent, 0, false);
 997                                                 break;
 998                                         }
 999
1000                                         default:
1001                                                 Con_Printf (">> kEventClassMouse (UNKNOWN eventKind: %u) <<\n", (unsigned)eventKind);
1002                                                 break;
1003                                 }
1004                         }
1005
1006                         case kEventClassKeyboard:
1007                         {
1008                                 char charcode;
1009                                 UInt32 keycode;
1010
1011                                 switch (eventKind)
1012                                 {
1013                                         case kEventRawKeyDown:
1014                                                 GetEventParameter(theEvent, kEventParamKeyMacCharCodes, typeChar, NULL, sizeof(charcode), NULL, &charcode);
1015                                                 GetEventParameter(theEvent, kEventParamKeyCode, typeUInt32, NULL, sizeof(keycode), NULL, &keycode);
1016                                                 Handle_Key(charcode, keycode, true);
1017                                                 break;
1018
1019                                         case kEventRawKeyRepeat:
1020                                                 break;
1021
1022                                         case kEventRawKeyUp:
1023                                                 GetEventParameter(theEvent, kEventParamKeyMacCharCodes, typeChar, NULL, sizeof(charcode), NULL, &charcode);
1024                                                 GetEventParameter(theEvent, kEventParamKeyCode, typeUInt32, NULL, sizeof(keycode), NULL, &keycode);
1025                                                 Handle_Key(charcode, keycode, false);
1026                                                 break;
1027
1028                                         case kEventRawKeyModifiersChanged:
1029                                         {
1030                                                 UInt32 keymod = 0;
1031                                                 GetEventParameter(theEvent, kEventParamKeyModifiers, typeUInt32, NULL, sizeof(keymod), NULL, &keymod);
1032                                                 Handle_KeyMod(keymod);
1033                                                 break;
1034                                         }
1035
1036                                         case kEventHotKeyPressed:
1037                                                 break;
1038
1039                                         case kEventHotKeyReleased:
1040                                                 break;
1041
1042                                         case kEventMouseWheelMoved:
1043                                                 break;
1044
1045                                         default:
1046                                                 Con_Printf (">> kEventClassKeyboard (UNKNOWN eventKind: %u) <<\n", (unsigned)eventKind);
1047                                                 break;
1048                                 }
1049                                 break;
1050                         }
1051
1052                         case kEventClassTextInput:
1053                                 Con_Printf(">> kEventClassTextInput (%d) <<\n", (int)eventKind);
1054                                 break;
1055
1056                         case kEventClassApplication:
1057                                 switch (eventKind)
1058                                 {
1059                                         case kEventAppActivated :
1060                                                 VID_AppFocusChanged(true);
1061                                                 break;
1062                                         case kEventAppDeactivated:
1063                                                 VID_AppFocusChanged(false);
1064                                                 break;
1065                                         case kEventAppQuit:
1066                                                 Sys_Quit(0);
1067                                                 break;
1068                                         case kEventAppActiveWindowChanged:
1069                                                 break;
1070                                         default:
1071                                                 Con_Printf(">> kEventClassApplication (UNKNOWN eventKind: %u) <<\n", (unsigned)eventKind);
1072                                                 break;
1073                                 }
1074                                 break;
1075
1076                         case kEventClassAppleEvent:
1077                                 switch (eventKind)
1078                                 {
1079                                         case kEventAppleEvent :
1080                                                 break;
1081                                         default:
1082                                                 Con_Printf(">> kEventClassAppleEvent (UNKNOWN eventKind: %u) <<\n", (unsigned)eventKind);
1083                                                 break;
1084                                 }
1085                                 break;
1086
1087                         case kEventClassWindow:
1088                                 switch (eventKind)
1089                                 {
1090                                         case kEventWindowUpdate :
1091                                                 break;
1092                                         default:
1093                                                 Con_Printf(">> kEventClassWindow (UNKNOWN eventKind: %u) <<\n", (unsigned)eventKind);
1094                                                 break;
1095                                 }
1096                                 break;
1097
1098                         case kEventClassControl:
1099                                 break;
1100
1101                         default:
1102                                 /*Con_Printf(">> UNKNOWN eventClass: %c%c%c%c, eventKind: %d <<\n",
1103                                                         eventClass >> 24, (eventClass >> 16) & 0xFF,
1104                                                         (eventClass >> 8) & 0xFF, eventClass & 0xFF,
1105                                                         eventKind);*/
1106                                 break;
1107                 }
1108
1109                 SendEventToEventTarget (theEvent, theTarget);
1110                 ReleaseEvent(theEvent);
1111         }
1112 }
1113
1114 void VID_BuildJoyState(vid_joystate_t *joystate)
1115 {
1116         VID_Shared_BuildJoyState_Begin(joystate);
1117         VID_Shared_BuildJoyState_Finish(joystate);
1118 }
1119
1120 void VID_EnableJoystick(qboolean enable)
1121 {
1122         int index = joy_enable.integer > 0 ? joy_index.integer : -1;
1123         qboolean success = false;
1124         int sharedcount = 0;
1125         sharedcount = VID_Shared_SetJoystick(index);
1126         if (index >= 0 && index < sharedcount)
1127                 success = true;
1128
1129         // update cvar containing count of XInput joysticks
1130         if (joy_detected.integer != sharedcount)
1131                 Cvar_SetValueQuick(&joy_detected, sharedcount);
1132
1133         Cvar_SetValueQuick(&joy_active, success ? 1 : 0);
1134 }
1135
1136 void IN_Move (void)
1137 {
1138         vid_joystate_t joystate;
1139         VID_EnableJoystick(true);
1140         VID_BuildJoyState(&joystate);
1141         VID_ApplyJoyState(&joystate);
1142 }
1143
1144 static bool GetDictionaryBoolean(CFDictionaryRef d, const void *key)
1145 {
1146     CFBooleanRef ref = (CFBooleanRef) CFDictionaryGetValue(d, key);
1147     if(ref)
1148         return CFBooleanGetValue(ref);
1149     return false;
1150 }
1151
1152 long GetDictionaryLong(CFDictionaryRef d, const void *key)
1153 {
1154         long value = 0;
1155     CFNumberRef ref = (CFNumberRef) CFDictionaryGetValue(d, key);
1156     if(ref)
1157         CFNumberGetValue(ref, kCFNumberLongType, &value);
1158     return value;
1159 }
1160
1161 size_t VID_ListModes(vid_mode_t *modes, size_t maxcount)
1162 {
1163         CGDirectDisplayID mainDisplay = CGMainDisplayID();
1164         CFArrayRef vidmodes = CGDisplayAvailableModes(mainDisplay);
1165         CFDictionaryRef thismode;
1166         unsigned int n = CFArrayGetCount(vidmodes);
1167         unsigned int i;
1168         size_t k;
1169
1170         k = 0;
1171         for(i = 0; i < n; ++i)
1172         {
1173                 thismode = (CFDictionaryRef) CFArrayGetValueAtIndex(vidmodes, i);
1174                 if(!GetDictionaryBoolean(thismode, kCGDisplayModeIsSafeForHardware))
1175                         continue;
1176
1177                 if(k >= maxcount)
1178                         break;
1179                 modes[k].width = GetDictionaryLong(thismode, kCGDisplayWidth);
1180                 modes[k].height = GetDictionaryLong(thismode, kCGDisplayHeight);
1181                 modes[k].bpp = GetDictionaryLong(thismode, kCGDisplayBitsPerPixel);
1182                 modes[k].refreshrate = GetDictionaryLong(thismode, kCGDisplayRefreshRate);
1183                 modes[k].pixelheight_num = 1;
1184                 modes[k].pixelheight_denom = 1; // OS X doesn't expose this either
1185                 ++k;
1186         }
1187         return k;
1188 }