vid_agl.c

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