don't load corrupt wav files
[divverent/darkplaces.git] / 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         if ((qglGetString = (const GLubyte* (GLAPIENTRY *)(GLenum name))GL_GetProcAddress("glGetString")) == NULL)
698                 Sys_Error("glGetString not found in %s", gl_driver);
699
700         gl_platformextensions = "";
701         gl_platform = "AGL";
702
703         multithreadedgl = false;
704         vid_isfullscreen = mode->fullscreen;
705         vid_usingmouse = false;
706         vid_usinghidecursor = false;
707         vid_hidden = false;
708         vid_activewindow = true;
709         sound_active = true;
710         GL_Init();
711
712         SelectWindow(window);
713         ShowWindow(window);
714
715         return true;
716 }
717
718 static void Handle_KeyMod(UInt32 keymod)
719 {
720         const struct keymod_to_event_s { UInt32 keybit; keynum_t event; } keymod_events [] =
721         {
722                 { cmdKey,                                               K_AUX1 },
723                 { shiftKey,                                             K_SHIFT },
724                 { alphaLock,                                    K_CAPSLOCK },
725                 { optionKey,                                    K_ALT },
726                 { controlKey,                                   K_CTRL },
727                 { kEventKeyModifierNumLockMask, K_NUMLOCK },
728                 { kEventKeyModifierFnMask,              K_AUX2 }
729         };
730         static UInt32 prev_keymod = 0;
731         unsigned int i;
732         UInt32 modChanges;
733
734         modChanges = prev_keymod ^ keymod;
735         if (modChanges == 0)
736                 return;
737
738         for (i = 0; i < sizeof(keymod_events) / sizeof(keymod_events[0]); i++)
739         {
740                 UInt32 keybit = keymod_events[i].keybit;
741
742                 if ((modChanges & keybit) != 0)
743                         Key_Event(keymod_events[i].event, '\0', (keymod & keybit) != 0);
744         }
745
746         prev_keymod = keymod;
747 }
748
749 static void Handle_Key(unsigned char charcode, UInt32 mackeycode, qboolean keypressed)
750 {
751         unsigned int keycode = 0;
752         char ascii = '\0';
753
754         switch (mackeycode)
755         {
756                 case MK_ESCAPE:
757                         keycode = K_ESCAPE;
758                         break;
759                 case MK_F1:
760                         keycode = K_F1;
761                         break;
762                 case MK_F2:
763                         keycode = K_F2;
764                         break;
765                 case MK_F3:
766                         keycode = K_F3;
767                         break;
768                 case MK_F4:
769                         keycode = K_F4;
770                         break;
771                 case MK_F5:
772                         keycode = K_F5;
773                         break;
774                 case MK_F6:
775                         keycode = K_F6;
776                         break;
777                 case MK_F7:
778                         keycode = K_F7;
779                         break;
780                 case MK_F8:
781                         keycode = K_F8;
782                         break;
783                 case MK_F9:
784                         keycode = K_F9;
785                         break;
786                 case MK_F10:
787                         keycode = K_F10;
788                         break;
789                 case MK_F11:
790                         keycode = K_F11;
791                         break;
792                 case MK_F12:
793                         keycode = K_F12;
794                         break;
795                 case MK_SCROLLOCK:
796                         keycode = K_SCROLLOCK;
797                         break;
798                 case MK_PAUSE:
799                         keycode = K_PAUSE;
800                         break;
801                 case MK_BACKSPACE:
802                         keycode = K_BACKSPACE;
803                         break;
804                 case MK_INSERT:
805                         keycode = K_INS;
806                         break;
807                 case MK_HOME:
808                         keycode = K_HOME;
809                         break;
810                 case MK_PAGEUP:
811                         keycode = K_PGUP;
812                         break;
813                 case MK_NUMLOCK:
814                         keycode = K_NUMLOCK;
815                         break;
816                 case MK_KP_EQUALS:
817                         keycode = K_KP_EQUALS;
818                         break;
819                 case MK_KP_DIVIDE:
820                         keycode = K_KP_DIVIDE;
821                         break;
822                 case MK_KP_MULTIPLY:
823                         keycode = K_KP_MULTIPLY;
824                         break;
825                 case MK_TAB:
826                         keycode = K_TAB;
827                         break;
828                 case MK_DELETE:
829                         keycode = K_DEL;
830                         break;
831                 case MK_END:
832                         keycode = K_END;
833                         break;
834                 case MK_PAGEDOWN:
835                         keycode = K_PGDN;
836                         break;
837                 case MK_KP7:
838                         keycode = K_KP_7;
839                         break;
840                 case MK_KP8:
841                         keycode = K_KP_8;
842                         break;
843                 case MK_KP9:
844                         keycode = K_KP_9;
845                         break;
846                 case MK_KP_MINUS:
847                         keycode = K_KP_MINUS;
848                         break;
849                 case MK_CAPSLOCK:
850                         keycode = K_CAPSLOCK;
851                         break;
852                 case MK_RETURN:
853                         keycode = K_ENTER;
854                         break;
855                 case MK_KP4:
856                         keycode = K_KP_4;
857                         break;
858                 case MK_KP5:
859                         keycode = K_KP_5;
860                         break;
861                 case MK_KP6:
862                         keycode = K_KP_6;
863                         break;
864                 case MK_KP_PLUS:
865                         keycode = K_KP_PLUS;
866                         break;
867                 case MK_KP1:
868                         keycode = K_KP_1;
869                         break;
870                 case MK_KP2:
871                         keycode = K_KP_2;
872                         break;
873                 case MK_KP3:
874                         keycode = K_KP_3;
875                         break;
876                 case MK_KP_ENTER:
877                 case MK_IBOOK_ENTER:
878                         keycode = K_KP_ENTER;
879                         break;
880                 case MK_KP0:
881                         keycode = K_KP_0;
882                         break;
883                 case MK_KP_PERIOD:
884                         keycode = K_KP_PERIOD;
885                         break;
886                 default:
887                         switch(charcode)
888                         {
889                                 case kUpArrowCharCode:
890                                         keycode = K_UPARROW;
891                                         break;
892                                 case kLeftArrowCharCode:
893                                         keycode = K_LEFTARROW;
894                                         break;
895                                 case kDownArrowCharCode:
896                                         keycode = K_DOWNARROW;
897                                         break;
898                                 case kRightArrowCharCode:
899                                         keycode = K_RIGHTARROW;
900                                         break;
901                                 case 0:
902                                 case 191:
903                                         // characters 0 and 191 are sent by the mouse buttons (?!)
904                                         break;
905                                 default:
906                                         if ('A' <= charcode && charcode <= 'Z')
907                                         {
908                                                 keycode = charcode + ('a' - 'A');  // lowercase it
909                                                 ascii = charcode;
910                                         }
911                                         else if (charcode >= 32)
912                                         {
913                                                 keycode = charcode;
914                                                 ascii = charcode;
915                                         }
916                                         else
917                                                 Con_DPrintf(">> UNKNOWN char/keycode: %d/%u <<\n", charcode, (unsigned) mackeycode);
918                         }
919         }
920
921         if (keycode != 0)
922                 Key_Event(keycode, ascii, keypressed);
923 }
924
925 void Sys_SendKeyEvents(void)
926 {
927         EventRef theEvent;
928         EventTargetRef theTarget;
929
930         // Start by processing the asynchronous events we received since the previous frame
931         VID_ProcessPendingAsyncEvents();
932
933         theTarget = GetEventDispatcherTarget();
934         while (ReceiveNextEvent(0, NULL, kEventDurationNoWait, true, &theEvent) == noErr)
935         {
936                 UInt32 eventClass = GetEventClass(theEvent);
937                 UInt32 eventKind = GetEventKind(theEvent);
938
939                 switch (eventClass)
940                 {
941                         case kEventClassMouse:
942                         {
943                                 EventMouseButton theButton;
944                                 int key;
945
946                                 switch (eventKind)
947                                 {
948                                         case kEventMouseDown:
949                                         case kEventMouseUp:
950                                                 GetEventParameter(theEvent, kEventParamMouseButton, typeMouseButton, NULL, sizeof(theButton), NULL, &theButton);
951                                                 switch (theButton)
952                                                 {
953                                                         default:
954                                                         case kEventMouseButtonPrimary:
955                                                                 key = K_MOUSE1;
956                                                                 break;
957                                                         case kEventMouseButtonSecondary:
958                                                                 key = K_MOUSE2;
959                                                                 break;
960                                                         case kEventMouseButtonTertiary:
961                                                                 key = K_MOUSE3;
962                                                                 break;
963                                                 }
964                                                 Key_Event(key, '\0', eventKind == kEventMouseDown);
965                                                 break;
966
967                                         // Note: These two events are mutual exclusives
968                                         // Treat MouseDragged in the same statement, so we don't block MouseMoved while a mousebutton is held
969                                         case kEventMouseMoved:
970                                         case kEventMouseDragged:
971                                         {
972                                                 HIPoint deltaPos;
973                                                 HIPoint windowPos;
974
975                                                 GetEventParameter(theEvent, kEventParamMouseDelta, typeHIPoint, NULL, sizeof(deltaPos), NULL, &deltaPos);
976                                                 GetEventParameter(theEvent, kEventParamWindowMouseLocation, typeHIPoint, NULL, sizeof(windowPos), NULL, &windowPos);
977
978                                                 if (vid_usingmouse)
979                                                 {
980                                                         in_mouse_x += deltaPos.x;
981                                                         in_mouse_y += deltaPos.y;
982                                                 }
983
984                                                 in_windowmouse_x = windowPos.x;
985                                                 in_windowmouse_y = windowPos.y;
986                                                 break;
987                                         }
988
989                                         case kEventMouseWheelMoved:
990                                         {
991                                                 SInt32 delta;
992                                                 unsigned int wheelEvent;
993
994                                                 GetEventParameter(theEvent, kEventParamMouseWheelDelta, typeSInt32, NULL, sizeof(delta), NULL, &delta);
995
996                                                 wheelEvent = (delta > 0) ? K_MWHEELUP : K_MWHEELDOWN;
997                                                 Key_Event(wheelEvent, 0, true);
998                                                 Key_Event(wheelEvent, 0, false);
999                                                 break;
1000                                         }
1001
1002                                         default:
1003                                                 Con_Printf (">> kEventClassMouse (UNKNOWN eventKind: %u) <<\n", (unsigned)eventKind);
1004                                                 break;
1005                                 }
1006                         }
1007
1008                         case kEventClassKeyboard:
1009                         {
1010                                 char charcode;
1011                                 UInt32 keycode;
1012
1013                                 switch (eventKind)
1014                                 {
1015                                         case kEventRawKeyDown:
1016                                                 GetEventParameter(theEvent, kEventParamKeyMacCharCodes, typeChar, NULL, sizeof(charcode), NULL, &charcode);
1017                                                 GetEventParameter(theEvent, kEventParamKeyCode, typeUInt32, NULL, sizeof(keycode), NULL, &keycode);
1018                                                 Handle_Key(charcode, keycode, true);
1019                                                 break;
1020
1021                                         case kEventRawKeyRepeat:
1022                                                 break;
1023
1024                                         case kEventRawKeyUp:
1025                                                 GetEventParameter(theEvent, kEventParamKeyMacCharCodes, typeChar, NULL, sizeof(charcode), NULL, &charcode);
1026                                                 GetEventParameter(theEvent, kEventParamKeyCode, typeUInt32, NULL, sizeof(keycode), NULL, &keycode);
1027                                                 Handle_Key(charcode, keycode, false);
1028                                                 break;
1029
1030                                         case kEventRawKeyModifiersChanged:
1031                                         {
1032                                                 UInt32 keymod = 0;
1033                                                 GetEventParameter(theEvent, kEventParamKeyModifiers, typeUInt32, NULL, sizeof(keymod), NULL, &keymod);
1034                                                 Handle_KeyMod(keymod);
1035                                                 break;
1036                                         }
1037
1038                                         case kEventHotKeyPressed:
1039                                                 break;
1040
1041                                         case kEventHotKeyReleased:
1042                                                 break;
1043
1044                                         case kEventMouseWheelMoved:
1045                                                 break;
1046
1047                                         default:
1048                                                 Con_Printf (">> kEventClassKeyboard (UNKNOWN eventKind: %u) <<\n", (unsigned)eventKind);
1049                                                 break;
1050                                 }
1051                                 break;
1052                         }
1053
1054                         case kEventClassTextInput:
1055                                 Con_Printf(">> kEventClassTextInput (%d) <<\n", (int)eventKind);
1056                                 break;
1057
1058                         case kEventClassApplication:
1059                                 switch (eventKind)
1060                                 {
1061                                         case kEventAppActivated :
1062                                                 VID_AppFocusChanged(true);
1063                                                 break;
1064                                         case kEventAppDeactivated:
1065                                                 VID_AppFocusChanged(false);
1066                                                 break;
1067                                         case kEventAppQuit:
1068                                                 Sys_Quit(0);
1069                                                 break;
1070                                         case kEventAppActiveWindowChanged:
1071                                                 break;
1072                                         default:
1073                                                 Con_Printf(">> kEventClassApplication (UNKNOWN eventKind: %u) <<\n", (unsigned)eventKind);
1074                                                 break;
1075                                 }
1076                                 break;
1077
1078                         case kEventClassAppleEvent:
1079                                 switch (eventKind)
1080                                 {
1081                                         case kEventAppleEvent :
1082                                                 break;
1083                                         default:
1084                                                 Con_Printf(">> kEventClassAppleEvent (UNKNOWN eventKind: %u) <<\n", (unsigned)eventKind);
1085                                                 break;
1086                                 }
1087                                 break;
1088
1089                         case kEventClassWindow:
1090                                 switch (eventKind)
1091                                 {
1092                                         case kEventWindowUpdate :
1093                                                 break;
1094                                         default:
1095                                                 Con_Printf(">> kEventClassWindow (UNKNOWN eventKind: %u) <<\n", (unsigned)eventKind);
1096                                                 break;
1097                                 }
1098                                 break;
1099
1100                         case kEventClassControl:
1101                                 break;
1102
1103                         default:
1104                                 /*Con_Printf(">> UNKNOWN eventClass: %c%c%c%c, eventKind: %d <<\n",
1105                                                         eventClass >> 24, (eventClass >> 16) & 0xFF,
1106                                                         (eventClass >> 8) & 0xFF, eventClass & 0xFF,
1107                                                         eventKind);*/
1108                                 break;
1109                 }
1110
1111                 SendEventToEventTarget (theEvent, theTarget);
1112                 ReleaseEvent(theEvent);
1113         }
1114 }
1115
1116 void IN_Move (void)
1117 {
1118 }
1119
1120 static bool GetDictionaryBoolean(CFDictionaryRef d, const void *key)
1121 {
1122     CFBooleanRef ref = (CFBooleanRef) CFDictionaryGetValue(d, key);
1123     if(ref)
1124         return CFBooleanGetValue(ref);
1125     return false;
1126 }
1127
1128 long GetDictionaryLong(CFDictionaryRef d, const void *key)
1129 {
1130         long value = 0;
1131     CFNumberRef ref = (CFNumberRef) CFDictionaryGetValue(d, key);
1132     if(ref)
1133         CFNumberGetValue(ref, kCFNumberLongType, &value);
1134     return value;
1135 }
1136
1137 size_t VID_ListModes(vid_mode_t *modes, size_t maxcount)
1138 {
1139         CGDirectDisplayID mainDisplay = CGMainDisplayID();
1140         CFArrayRef vidmodes = CGDisplayAvailableModes(mainDisplay);
1141         CFDictionaryRef thismode;
1142         unsigned int n = CFArrayGetCount(vidmodes);
1143         unsigned int i;
1144         size_t k;
1145
1146         k = 0;
1147         for(i = 0; i < n; ++i)
1148         {
1149                 thismode = (CFDictionaryRef) CFArrayGetValueAtIndex(vidmodes, i);
1150                 if(!GetDictionaryBoolean(thismode, kCGDisplayModeIsSafeForHardware))
1151                         continue;
1152
1153                 if(k >= maxcount)
1154                         break;
1155                 modes[k].width = GetDictionaryLong(thismode, kCGDisplayWidth);
1156                 modes[k].height = GetDictionaryLong(thismode, kCGDisplayHeight);
1157                 modes[k].bpp = GetDictionaryLong(thismode, kCGDisplayBitsPerPixel);
1158                 modes[k].refreshrate = GetDictionaryLong(thismode, kCGDisplayRefreshRate);
1159                 modes[k].pixelheight_num = 1;
1160                 modes[k].pixelheight_denom = 1; // OS X doesn't expose this either
1161                 ++k;
1162         }
1163         return k;
1164 }