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)
 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         *attrib++ = AGL_NONE;
 522 }
 523
 524 int VID_InitMode(int fullscreen, int width, int height, int bpp, int refreshrate, int stereobuffer)
 525 {
 526     const EventTypeSpec winEvents[] =
 527         {
 528                 { kEventClassWindow, kEventWindowClosed },
 529                 { kEventClassWindow, kEventWindowCollapsing },
 530                 { kEventClassWindow, kEventWindowExpanded },
 531         };
 532         OSStatus carbonError;
 533         Rect windowBounds;
 534         CFStringRef windowTitle;
 535         AGLPixelFormat pixelFormat;
 536         GLint attributes [32];
 537         GLenum error;
 538
 539         if (!GL_OpenLibrary())
 540         {
 541                 Con_Printf("Unable to load GL driver\n");
 542                 return false;
 543         }
 544
 545         if ((qaglChoosePixelFormat = (AGLPixelFormat (*) (const AGLDevice *gdevs, GLint ndev, const GLint *attribList))GL_GetProcAddress("aglChoosePixelFormat")) == NULL
 546          || (qaglCreateContext = (AGLContext (*) (AGLPixelFormat pix, AGLContext share))GL_GetProcAddress("aglCreateContext")) == NULL
 547          || (qaglDestroyContext = (GLboolean (*) (AGLContext ctx))GL_GetProcAddress("aglDestroyContext")) == NULL
 548          || (qaglDestroyPixelFormat = (void (*) (AGLPixelFormat pix))GL_GetProcAddress("aglDestroyPixelFormat")) == NULL
 549          || (qaglErrorString = (const GLubyte* (*) (GLenum code))GL_GetProcAddress("aglErrorString")) == NULL
 550          || (qaglGetError = (GLenum (*) (void))GL_GetProcAddress("aglGetError")) == NULL
 551          || (qaglSetCurrentContext = (GLboolean (*) (AGLContext ctx))GL_GetProcAddress("aglSetCurrentContext")) == NULL
 552          || (qaglSetDrawable = (GLboolean (*) (AGLContext ctx, AGLDrawable draw))GL_GetProcAddress("aglSetDrawable")) == NULL
 553          || (qaglSetFullScreen = (GLboolean (*) (AGLContext ctx, GLsizei width, GLsizei height, GLsizei freq, GLint device))GL_GetProcAddress("aglSetFullScreen")) == NULL
 554          || (qaglSetInteger = (GLboolean (*) (AGLContext ctx, GLenum pname, const GLint *params))GL_GetProcAddress("aglSetInteger")) == NULL
 555          || (qaglSwapBuffers = (void (*) (AGLContext ctx))GL_GetProcAddress("aglSwapBuffers")) == NULL
 556         )
 557         {
 558                 Con_Printf("AGL functions not found\n");
 559                 ReleaseWindow(window);
 560                 return false;
 561         }
 562
 563         qCGLEnable = (CGLError (*) (CGLContextObj ctx, CGLContextEnable pname)) CGL_GetProcAddress("CGLEnable");
 564         qCGLDisable = (CGLError (*) (CGLContextObj ctx, CGLContextEnable pname)) CGL_GetProcAddress("CGLDisable");
 565         qCGLGetCurrentContext = (CGLContextObj (*) (void)) CGL_GetProcAddress("CGLGetCurrentContext");
 566         if(!qCGLEnable || !qCGLDisable || !qCGLGetCurrentContext)
 567                 Con_Printf("CGL functions not found; disabling multithreaded OpenGL\n");
 568
 569         // Ignore the events from the previous window
 570         AsyncEvent_Quitting = false;
 571         AsyncEvent_Collapsed = false;
 572
 573         // Create the window, a bit towards the center of the screen
 574         windowBounds.left = 100;
 575         windowBounds.top = 100;
 576         windowBounds.right = width + 100;
 577         windowBounds.bottom = height + 100;
 578         carbonError = CreateNewWindow(kDocumentWindowClass, kWindowStandardFloatingAttributes | kWindowStandardHandlerAttribute, &windowBounds, &window);
 579         if (carbonError != noErr || window == NULL)
 580         {
 581                 Con_Printf("Unable to create window (error %u)\n", (unsigned)carbonError);
 582                 return false;
 583         }
 584
 585         // Set the window title
 586         windowTitle = CFSTR("DarkPlaces AGL");
 587         SetWindowTitleWithCFString(window, windowTitle);
 588
 589         // Install the callback function for the window events we can't get
 590         // through ReceiveNextEvent (i.e. close, collapse, and expand)
 591         InstallWindowEventHandler (window, NewEventHandlerUPP (MainWindowEventHandler),
 592                                                            GetEventTypeCount(winEvents), winEvents, window, NULL);
 593
 594         // Create the desired attribute list
 595         VID_BuildAGLAttrib(attributes, bpp == 32, fullscreen, stereobuffer);
 596
 597         if (!fullscreen)
 598         {
 599                 // Output to Window
 600                 pixelFormat = qaglChoosePixelFormat(NULL, 0, attributes);
 601                 error = qaglGetError();
 602                 if (error != AGL_NO_ERROR)
 603                 {
 604                         Con_Printf("qaglChoosePixelFormat FAILED: %s\n",
 605                                         (char *)qaglErrorString(error));
 606                         ReleaseWindow(window);
 607                         return false;
 608                 }
 609         }
 610         else  // Output is fullScreen
 611         {
 612                 CGDirectDisplayID mainDisplay;
 613                 CFDictionaryRef refDisplayMode;
 614                 GDHandle gdhDisplay;
 615
 616                 // Get the mainDisplay and set resolution to current
 617                 mainDisplay = CGMainDisplayID();
 618                 CGDisplayCapture(mainDisplay);
 619
 620                 // TOCHECK: not sure whether or not it's necessary to change the resolution
 621                 // "by hand", or if aglSetFullscreen does the job anyway
 622                 refDisplayMode = CGDisplayBestModeForParametersAndRefreshRate(mainDisplay, bpp, width, height, refreshrate, NULL);
 623                 CGDisplaySwitchToMode(mainDisplay, refDisplayMode);
 624                 DMGetGDeviceByDisplayID((DisplayIDType)mainDisplay, &gdhDisplay, false);
 625
 626                 // Set pixel format with built attribs
 627                 // Note: specifying a device is *required* for AGL_FullScreen
 628                 pixelFormat = qaglChoosePixelFormat(&gdhDisplay, 1, attributes);
 629                 error = qaglGetError();
 630                 if (error != AGL_NO_ERROR)
 631                 {
 632                         Con_Printf("qaglChoosePixelFormat FAILED: %s\n",
 633                                                 (char *)qaglErrorString(error));
 634                         ReleaseWindow(window);
 635                         return false;
 636                 }
 637         }
 638
 639         // Create a context using the pform
 640         context = qaglCreateContext(pixelFormat, NULL);
 641         error = qaglGetError();
 642         if (error != AGL_NO_ERROR)
 643         {
 644                 Con_Printf("qaglCreateContext FAILED: %s\n",
 645                                         (char *)qaglErrorString(error));
 646         }
 647
 648         // Make the context the current one ('enable' it)
 649         qaglSetCurrentContext(context);
 650         error = qaglGetError();
 651         if (error != AGL_NO_ERROR)
 652         {
 653                 Con_Printf("qaglSetCurrentContext FAILED: %s\n",
 654                                         (char *)qaglErrorString(error));
 655                 ReleaseWindow(window);
 656                 return false;
 657         }
 658
 659         // Discard pform
 660         qaglDestroyPixelFormat(pixelFormat);
 661
 662         // Attempt fullscreen if requested
 663         if (fullscreen)
 664         {
 665                 qaglSetFullScreen (context, width, height, refreshrate, 0);
 666                 error = qaglGetError();
 667                 if (error != AGL_NO_ERROR)
 668                 {
 669                         Con_Printf("qaglSetFullScreen FAILED: %s\n",
 670                                                 (char *)qaglErrorString(error));
 671                         return false;
 672                 }
 673         }
 674         else
 675         {
 676                 // Set Window as Drawable
 677                 qaglSetDrawable(context, GetWindowPort(window));
 678                 error = qaglGetError();
 679                 if (error != AGL_NO_ERROR)
 680                 {
 681                         Con_Printf("qaglSetDrawable FAILED: %s\n",
 682                                                 (char *)qaglErrorString(error));
 683                         ReleaseWindow(window);
 684                         return false;
 685                 }
 686         }
 687
 688         scr_width = width;
 689         scr_height = height;
 690
 691         if ((qglGetString = (const GLubyte* (GLAPIENTRY *)(GLenum name))GL_GetProcAddress("glGetString")) == NULL)
 692                 Sys_Error("glGetString not found in %s", gl_driver);
 693
 694         gl_renderer = (const char *)qglGetString(GL_RENDERER);
 695         gl_vendor = (const char *)qglGetString(GL_VENDOR);
 696         gl_version = (const char *)qglGetString(GL_VERSION);
 697         gl_extensions = (const char *)qglGetString(GL_EXTENSIONS);
 698         gl_platform = "AGL";
 699         gl_videosyncavailable = true;
 700
 701         Con_DPrintf("GL_VENDOR: %s\n", gl_vendor);
 702         Con_DPrintf("GL_RENDERER: %s\n", gl_renderer);
 703         Con_DPrintf("GL_VERSION: %s\n", gl_version);
 704         Con_DPrintf("GL_EXTENSIONS: %s\n", gl_extensions);
 705         Con_DPrintf("%s_EXTENSIONS: %s\n", gl_platform, gl_platformextensions);
 706
 707         multithreadedgl = false;
 708         vid_isfullscreen = fullscreen;
 709         vid_usingmouse = false;
 710         vid_hidden = false;
 711         vid_activewindow = true;
 712         sound_active = true;
 713         GL_Init();
 714
 715         SelectWindow(window);
 716         ShowWindow(window);
 717
 718         return true;
 719 }
 720
 721 static void Handle_KeyMod(UInt32 keymod)
 722 {
 723         const struct keymod_to_event_s { UInt32 keybit; keynum_t event; } keymod_events [] =
 724         {
 725                 { cmdKey,                                               K_AUX1 },
 726                 { shiftKey,                                             K_SHIFT },
 727                 { alphaLock,                                    K_CAPSLOCK },
 728                 { optionKey,                                    K_ALT },
 729                 { controlKey,                                   K_CTRL },
 730                 { kEventKeyModifierNumLockMask, K_NUMLOCK },
 731                 { kEventKeyModifierFnMask,              K_AUX2 }
 732         };
 733         static UInt32 prev_keymod = 0;
 734         unsigned int i;
 735         UInt32 modChanges;
 736
 737         modChanges = prev_keymod ^ keymod;
 738         if (modChanges == 0)
 739                 return;
 740
 741         for (i = 0; i < sizeof(keymod_events) / sizeof(keymod_events[0]); i++)
 742         {
 743                 UInt32 keybit = keymod_events[i].keybit;
 744
 745                 if ((modChanges & keybit) != 0)
 746                         Key_Event(keymod_events[i].event, '\0', (keymod & keybit) != 0);
 747         }
 748
 749         prev_keymod = keymod;
 750 }
 751
 752 static void Handle_Key(unsigned char charcode, UInt32 mackeycode, qboolean keypressed)
 753 {
 754         unsigned int keycode = 0;
 755         char ascii = '\0';
 756
 757         switch (mackeycode)
 758         {
 759                 case MK_ESCAPE:
 760                         keycode = K_ESCAPE;
 761                         break;
 762                 case MK_F1:
 763                         keycode = K_F1;
 764                         break;
 765                 case MK_F2:
 766                         keycode = K_F2;
 767                         break;
 768                 case MK_F3:
 769                         keycode = K_F3;
 770                         break;
 771                 case MK_F4:
 772                         keycode = K_F4;
 773                         break;
 774                 case MK_F5:
 775                         keycode = K_F5;
 776                         break;
 777                 case MK_F6:
 778                         keycode = K_F6;
 779                         break;
 780                 case MK_F7:
 781                         keycode = K_F7;
 782                         break;
 783                 case MK_F8:
 784                         keycode = K_F8;
 785                         break;
 786                 case MK_F9:
 787                         keycode = K_F9;
 788                         break;
 789                 case MK_F10:
 790                         keycode = K_F10;
 791                         break;
 792                 case MK_F11:
 793                         keycode = K_F11;
 794                         break;
 795                 case MK_F12:
 796                         keycode = K_F12;
 797                         break;
 798                 case MK_SCROLLOCK:
 799                         keycode = K_SCROLLOCK;
 800                         break;
 801                 case MK_PAUSE:
 802                         keycode = K_PAUSE;
 803                         break;
 804                 case MK_BACKSPACE:
 805                         keycode = K_BACKSPACE;
 806                         break;
 807                 case MK_INSERT:
 808                         keycode = K_INS;
 809                         break;
 810                 case MK_HOME:
 811                         keycode = K_HOME;
 812                         break;
 813                 case MK_PAGEUP:
 814                         keycode = K_PGUP;
 815                         break;
 816                 case MK_NUMLOCK:
 817                         keycode = K_NUMLOCK;
 818                         break;
 819                 case MK_KP_EQUALS:
 820                         keycode = K_KP_EQUALS;
 821                         break;
 822                 case MK_KP_DIVIDE:
 823                         keycode = K_KP_DIVIDE;
 824                         break;
 825                 case MK_KP_MULTIPLY:
 826                         keycode = K_KP_MULTIPLY;
 827                         break;
 828                 case MK_TAB:
 829                         keycode = K_TAB;
 830                         break;
 831                 case MK_DELETE:
 832                         keycode = K_DEL;
 833                         break;
 834                 case MK_END:
 835                         keycode = K_END;
 836                         break;
 837                 case MK_PAGEDOWN:
 838                         keycode = K_PGDN;
 839                         break;
 840                 case MK_KP7:
 841                         keycode = K_KP_7;
 842                         break;
 843                 case MK_KP8:
 844                         keycode = K_KP_8;
 845                         break;
 846                 case MK_KP9:
 847                         keycode = K_KP_9;
 848                         break;
 849                 case MK_KP_MINUS:
 850                         keycode = K_KP_MINUS;
 851                         break;
 852                 case MK_CAPSLOCK:
 853                         keycode = K_CAPSLOCK;
 854                         break;
 855                 case MK_RETURN:
 856                         keycode = K_ENTER;
 857                         break;
 858                 case MK_KP4:
 859                         keycode = K_KP_4;
 860                         break;
 861                 case MK_KP5:
 862                         keycode = K_KP_5;
 863                         break;
 864                 case MK_KP6:
 865                         keycode = K_KP_6;
 866                         break;
 867                 case MK_KP_PLUS:
 868                         keycode = K_KP_PLUS;
 869                         break;
 870                 case MK_KP1:
 871                         keycode = K_KP_1;
 872                         break;
 873                 case MK_KP2:
 874                         keycode = K_KP_2;
 875                         break;
 876                 case MK_KP3:
 877                         keycode = K_KP_3;
 878                         break;
 879                 case MK_KP_ENTER:
 880                 case MK_IBOOK_ENTER:
 881                         keycode = K_KP_ENTER;
 882                         break;
 883                 case MK_KP0:
 884                         keycode = K_KP_0;
 885                         break;
 886                 case MK_KP_PERIOD:
 887                         keycode = K_KP_PERIOD;
 888                         break;
 889                 default:
 890                         switch(charcode)
 891                         {
 892                                 case kUpArrowCharCode:
 893                                         keycode = K_UPARROW;
 894                                         break;
 895                                 case kLeftArrowCharCode:
 896                                         keycode = K_LEFTARROW;
 897                                         break;
 898                                 case kDownArrowCharCode:
 899                                         keycode = K_DOWNARROW;
 900                                         break;
 901                                 case kRightArrowCharCode:
 902                                         keycode = K_RIGHTARROW;
 903                                         break;
 904                                 case 0:
 905                                 case 191:
 906                                         // characters 0 and 191 are sent by the mouse buttons (?!)
 907                                         break;
 908                                 default:
 909                                         if ('A' <= charcode && charcode <= 'Z')
 910                                         {
 911                                                 keycode = charcode + ('a' - 'A');  // lowercase it
 912                                                 ascii = charcode;
 913                                         }
 914                                         else if (charcode >= 32)
 915                                         {
 916                                                 keycode = charcode;
 917                                                 ascii = charcode;
 918                                         }
 919                                         else
 920                                                 Con_DPrintf(">> UNKNOWN char/keycode: %d/%u <<\n", charcode, (unsigned) mackeycode);
 921                         }
 922         }
 923
 924         if (keycode != 0)
 925                 Key_Event(keycode, ascii, keypressed);
 926 }
 927
 928 void Sys_SendKeyEvents(void)
 929 {
 930         EventRef theEvent;
 931         EventTargetRef theTarget;
 932
 933         // Start by processing the asynchronous events we received since the previous frame
 934         VID_ProcessPendingAsyncEvents();
 935
 936         theTarget = GetEventDispatcherTarget();
 937         while (ReceiveNextEvent(0, NULL, kEventDurationNoWait, true, &theEvent) == noErr)
 938         {
 939                 UInt32 eventClass = GetEventClass(theEvent);
 940                 UInt32 eventKind = GetEventKind(theEvent);
 941
 942                 switch (eventClass)
 943                 {
 944                         case kEventClassMouse:
 945                         {
 946                                 EventMouseButton theButton;
 947                                 int key;
 948
 949                                 switch (eventKind)
 950                                 {
 951                                         case kEventMouseDown:
 952                                         case kEventMouseUp:
 953                                                 GetEventParameter(theEvent, kEventParamMouseButton, typeMouseButton, NULL, sizeof(theButton), NULL, &theButton);
 954                                                 switch (theButton)
 955                                                 {
 956                                                         default:
 957                                                         case kEventMouseButtonPrimary:
 958                                                                 key = K_MOUSE1;
 959                                                                 break;
 960                                                         case kEventMouseButtonSecondary:
 961                                                                 key = K_MOUSE2;
 962                                                                 break;
 963                                                         case kEventMouseButtonTertiary:
 964                                                                 key = K_MOUSE3;
 965                                                                 break;
 966                                                 }
 967                                                 Key_Event(key, '\0', eventKind == kEventMouseDown);
 968                                                 break;
 969
 970                                         // Note: These two events are mutual exclusives
 971                                         // Treat MouseDragged in the same statement, so we don't block MouseMoved while a mousebutton is held
 972                                         case kEventMouseMoved:
 973                                         case kEventMouseDragged:
 974                                         {
 975                                                 HIPoint deltaPos;
 976
 977                                                 GetEventParameter(theEvent, kEventParamMouseDelta, typeHIPoint, NULL, sizeof(deltaPos), NULL, &deltaPos);
 978
 979                                                 mouse_x += deltaPos.x;
 980                                                 mouse_y += deltaPos.y;
 981                                                 break;
 982                                         }
 983
 984                                         case kEventMouseWheelMoved:
 985                                         {
 986                                                 SInt32 delta;
 987                                                 unsigned int wheelEvent;
 988
 989                                                 GetEventParameter(theEvent, kEventParamMouseWheelDelta, typeSInt32, NULL, sizeof(delta), NULL, &delta);
 990
 991                                                 wheelEvent = (delta > 0) ? K_MWHEELUP : K_MWHEELDOWN;
 992                                                 Key_Event(wheelEvent, 0, true);
 993                                                 Key_Event(wheelEvent, 0, false);
 994                                                 break;
 995                                         }
 996
 997                                         default:
 998                                                 Con_Printf (">> kEventClassMouse (UNKNOWN eventKind: %u) <<\n", (unsigned)eventKind);
 999                                                 break;
1000                                 }
1001                         }
1002
1003                         case kEventClassKeyboard:
1004                         {
1005                                 char charcode;
1006                                 UInt32 keycode;
1007
1008                                 switch (eventKind)
1009                                 {
1010                                         case kEventRawKeyDown:
1011                                                 GetEventParameter(theEvent, kEventParamKeyMacCharCodes, typeChar, NULL, sizeof(charcode), NULL, &charcode);
1012                                                 GetEventParameter(theEvent, kEventParamKeyCode, typeUInt32, NULL, sizeof(keycode), NULL, &keycode);
1013                                                 Handle_Key(charcode, keycode, true);
1014                                                 break;
1015
1016                                         case kEventRawKeyRepeat:
1017                                                 break;
1018
1019                                         case kEventRawKeyUp:
1020                                                 GetEventParameter(theEvent, kEventParamKeyMacCharCodes, typeChar, NULL, sizeof(charcode), NULL, &charcode);
1021                                                 GetEventParameter(theEvent, kEventParamKeyCode, typeUInt32, NULL, sizeof(keycode), NULL, &keycode);
1022                                                 Handle_Key(charcode, keycode, false);
1023                                                 break;
1024
1025                                         case kEventRawKeyModifiersChanged:
1026                                         {
1027                                                 UInt32 keymod = 0;
1028                                                 GetEventParameter(theEvent, kEventParamKeyModifiers, typeUInt32, NULL, sizeof(keymod), NULL, &keymod);
1029                                                 Handle_KeyMod(keymod);
1030                                                 break;
1031                                         }
1032
1033                                         case kEventHotKeyPressed:
1034                                                 break;
1035
1036                                         case kEventHotKeyReleased:
1037                                                 break;
1038
1039                                         case kEventMouseWheelMoved:
1040                                                 break;
1041
1042                                         default:
1043                                                 Con_Printf (">> kEventClassKeyboard (UNKNOWN eventKind: %u) <<\n", (unsigned)eventKind);
1044                                                 break;
1045                                 }
1046                                 break;
1047                         }
1048
1049                         case kEventClassTextInput:
1050                                 Con_Printf(">> kEventClassTextInput (%d) <<\n", (int)eventKind);
1051                                 break;
1052
1053                         case kEventClassApplication:
1054                                 switch (eventKind)
1055                                 {
1056                                         case kEventAppActivated :
1057                                                 VID_AppFocusChanged(true);
1058                                                 break;
1059                                         case kEventAppDeactivated:
1060                                                 VID_AppFocusChanged(false);
1061                                                 break;
1062                                         case kEventAppQuit:
1063                                                 Sys_Quit(0);
1064                                                 break;
1065                                         case kEventAppActiveWindowChanged:
1066                                                 break;
1067                                         default:
1068                                                 Con_Printf(">> kEventClassApplication (UNKNOWN eventKind: %u) <<\n", (unsigned)eventKind);
1069                                                 break;
1070                                 }
1071                                 break;
1072
1073                         case kEventClassAppleEvent:
1074                                 switch (eventKind)
1075                                 {
1076                                         case kEventAppleEvent :
1077                                                 break;
1078                                         default:
1079                                                 Con_Printf(">> kEventClassAppleEvent (UNKNOWN eventKind: %u) <<\n", (unsigned)eventKind);
1080                                                 break;
1081                                 }
1082                                 break;
1083
1084                         case kEventClassWindow:
1085                                 switch (eventKind)
1086                                 {
1087                                         case kEventWindowUpdate :
1088                                                 break;
1089                                         default:
1090                                                 Con_Printf(">> kEventClassWindow (UNKNOWN eventKind: %u) <<\n", (unsigned)eventKind);
1091                                                 break;
1092                                 }
1093                                 break;
1094
1095                         case kEventClassControl:
1096                                 break;
1097
1098                         default:
1099                                 /*Con_Printf(">> UNKNOWN eventClass: %c%c%c%c, eventKind: %d <<\n",
1100                                                         eventClass >> 24, (eventClass >> 16) & 0xFF,
1101                                                         (eventClass >> 8) & 0xFF, eventClass & 0xFF,
1102                                                         eventKind);*/
1103                                 break;
1104                 }
1105
1106                 SendEventToEventTarget (theEvent, theTarget);
1107                 ReleaseEvent(theEvent);
1108         }
1109 }
1110
1111 void IN_Move (void)
1112 {
1113         if (mouse_avail)
1114         {
1115                 in_mouse_x = mouse_x;
1116                 in_mouse_y = mouse_y;
1117         }
1118         mouse_x = 0;
1119         mouse_y = 0;
1120 }