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