vid_agl.c

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