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