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