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1 /*
2 Copyright (C) 1996-1997 Id Software, Inc.
3
4 This program is free software; you can redistribute it and/or
5 modify it under the terms of the GNU General Public License
6 as published by the Free Software Foundation; either version 2
7 of the License, or (at your option) any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
12
13 See the GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
18
19 */
20 // vid_wgl.c -- NT GL vid component
21
22 #ifdef _MSC_VER
23 #pragma comment(lib, "comctl32.lib")
24 #endif
25
26 #ifdef SUPPORTDIRECTX
27 // Include DX libs
28 #ifdef _MSC_VER
29 #pragma comment(lib, "dinput8.lib")
30 #pragma comment(lib, "dxguid.lib")
31 #endif
32 #ifndef DIRECTINPUT_VERSION
33 #       define DIRECTINPUT_VERSION 0x0500  /* Version 5.0 */
34 #endif
35 #endif
36
37 #include "quakedef.h"
38 #include <windows.h>
39 #include <mmsystem.h>
40 #ifdef SUPPORTDIRECTX
41 #include <dsound.h>
42 #endif
43 #include "resource.h"
44 #include <commctrl.h>
45 #ifdef SUPPORTDIRECTX
46 #include <dinput.h>
47 #endif
48 #include "dpsoftrast.h"
49
50 #ifdef SUPPORTD3D
51 #include <d3d9.h>
52
53 cvar_t vid_dx9 = {CVAR_SAVE, "vid_dx9", "0", "use Microsoft Direct3D9(r) for rendering"};
54 cvar_t vid_dx9_hal = {CVAR_SAVE, "vid_dx9_hal", "1", "enables hardware rendering (1), otherwise software reference rasterizer (0 - very slow), note that 0 is necessary when using NVPerfHUD (which renders in hardware but requires this option to enable it)"};
55 cvar_t vid_dx9_softvertex = {CVAR_SAVE, "vid_dx9_softvertex", "0", "enables software vertex processing (for compatibility testing?  or if you have a very fast CPU), usually you want this off"};
56 cvar_t vid_dx9_triplebuffer = {CVAR_SAVE, "vid_dx9_triplebuffer", "0", "enables triple buffering when using vid_vsync in fullscreen, this options adds some latency and only helps when framerate is below 60 so you usually don't want it"};
57 //cvar_t vid_dx10 = {CVAR_SAVE, "vid_dx10", "1", "use Microsoft Direct3D10(r) for rendering"};
58 //cvar_t vid_dx11 = {CVAR_SAVE, "vid_dx11", "1", "use Microsoft Direct3D11(r) for rendering"};
59
60 D3DPRESENT_PARAMETERS vid_d3dpresentparameters;
61
62 // we declare this in vid_shared.c because it is required by dedicated server and all clients when SUPPORTD3D is defined
63 extern LPDIRECT3DDEVICE9 vid_d3d9dev;
64
65 LPDIRECT3D9 vid_d3d9;
66 D3DCAPS9 vid_d3d9caps;
67 qboolean vid_d3ddevicelost;
68 #endif
69
70 extern HINSTANCE global_hInstance;
71
72 static HINSTANCE gldll;
73
74 #ifndef WM_MOUSEWHEEL
75 #define WM_MOUSEWHEEL                   0x020A
76 #endif
77
78 // Tell startup code that we have a client
79 int cl_available = true;
80
81 qboolean vid_supportrefreshrate = true;
82
83 static int (WINAPI *qwglChoosePixelFormat)(HDC, CONST PIXELFORMATDESCRIPTOR *);
84 static int (WINAPI *qwglDescribePixelFormat)(HDC, int, UINT, LPPIXELFORMATDESCRIPTOR);
85 //static int (WINAPI *qwglGetPixelFormat)(HDC);
86 static BOOL (WINAPI *qwglSetPixelFormat)(HDC, int, CONST PIXELFORMATDESCRIPTOR *);
87 static BOOL (WINAPI *qwglSwapBuffers)(HDC);
88 static HGLRC (WINAPI *qwglCreateContext)(HDC);
89 static BOOL (WINAPI *qwglDeleteContext)(HGLRC);
90 static HGLRC (WINAPI *qwglGetCurrentContext)(VOID);
91 static HDC (WINAPI *qwglGetCurrentDC)(VOID);
92 static PROC (WINAPI *qwglGetProcAddress)(LPCSTR);
93 static BOOL (WINAPI *qwglMakeCurrent)(HDC, HGLRC);
94 static BOOL (WINAPI *qwglSwapIntervalEXT)(int interval);
95 static const char *(WINAPI *qwglGetExtensionsStringARB)(HDC hdc);
96 static BOOL (WINAPI *qwglChoosePixelFormatARB)(HDC hdc, const int *piAttribIList, const FLOAT *pfAttribFList, UINT nMaxFormats, int *piFormats, UINT *nNumFormats);
97 static BOOL (WINAPI *qwglGetPixelFormatAttribivARB)(HDC hdc, int iPixelFormat, int iLayerPlane, UINT nAttributes, const int *piAttributes, int *piValues);
98
99 static dllfunction_t wglfuncs[] =
100 {
101         {"wglChoosePixelFormat", (void **) &qwglChoosePixelFormat},
102         {"wglDescribePixelFormat", (void **) &qwglDescribePixelFormat},
103 //      {"wglGetPixelFormat", (void **) &qwglGetPixelFormat},
104         {"wglSetPixelFormat", (void **) &qwglSetPixelFormat},
105         {"wglSwapBuffers", (void **) &qwglSwapBuffers},
106         {"wglCreateContext", (void **) &qwglCreateContext},
107         {"wglDeleteContext", (void **) &qwglDeleteContext},
108         {"wglGetProcAddress", (void **) &qwglGetProcAddress},
109         {"wglMakeCurrent", (void **) &qwglMakeCurrent},
110         {"wglGetCurrentContext", (void **) &qwglGetCurrentContext},
111         {"wglGetCurrentDC", (void **) &qwglGetCurrentDC},
112         {NULL, NULL}
113 };
114
115 static dllfunction_t wglswapintervalfuncs[] =
116 {
117         {"wglSwapIntervalEXT", (void **) &qwglSwapIntervalEXT},
118         {NULL, NULL}
119 };
120
121 static dllfunction_t wglpixelformatfuncs[] =
122 {
123         {"wglChoosePixelFormatARB", (void **) &qwglChoosePixelFormatARB},
124         {"wglGetPixelFormatAttribivARB", (void **) &qwglGetPixelFormatAttribivARB},
125         {NULL, NULL}
126 };
127
128 static DEVMODE gdevmode, initialdevmode;
129 static vid_mode_t desktop_mode;
130 static qboolean vid_initialized = false;
131 static qboolean vid_wassuspended = false;
132 static qboolean vid_usingmouse = false;
133 static qboolean vid_usinghidecursor = false;
134 static qboolean vid_usingvsync = false;
135 static qboolean vid_usevsync = false;
136 static HICON hIcon;
137
138 // used by cd_win.c and snd_win.c
139 HWND mainwindow;
140
141 static HDC       baseDC;
142 static HGLRC baseRC;
143
144 static HDC vid_softhdc;
145 static HGDIOBJ vid_softhdc_backup;
146 static BITMAPINFO vid_softbmi;
147 static HBITMAP vid_softdibhandle;
148
149 //HWND WINAPI InitializeWindow (HINSTANCE hInstance, int nCmdShow);
150
151 static qboolean vid_isfullscreen;
152
153 //void VID_MenuDraw (void);
154 //void VID_MenuKey (int key);
155
156 LONG WINAPI MainWndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
157 void AppActivate(BOOL fActive, BOOL minimize);
158 static void ClearAllStates(void);
159 qboolean VID_InitModeGL(viddef_mode_t *mode);
160 qboolean VID_InitModeSOFT(viddef_mode_t *mode);
161
162 //====================================
163
164 static int window_x, window_y;
165
166 static qboolean mouseinitialized;
167
168 #ifdef SUPPORTDIRECTX
169 static qboolean dinput;
170 #define DINPUT_BUFFERSIZE           16
171 #define iDirectInputCreate(a,b,c,d)     pDirectInputCreate(a,b,c,d)
172
173 static HRESULT (WINAPI *pDirectInputCreate)(HINSTANCE hinst, DWORD dwVersion, LPDIRECTINPUT * lplpDirectInput, LPUNKNOWN punkOuter);
174 #endif
175
176 // LordHavoc: thanks to backslash for this support for mouse buttons 4 and 5
177 /* backslash :: imouse explorer buttons */
178 /* These are #ifdefed out for non-Win2K in the February 2001 version of
179    MS's platform SDK, but we need them for compilation. . . */
180 #ifndef WM_XBUTTONDOWN
181    #define WM_XBUTTONDOWN      0x020B
182    #define WM_XBUTTONUP      0x020C
183 #endif
184 #ifndef MK_XBUTTON1
185    #define MK_XBUTTON1         0x0020
186    #define MK_XBUTTON2         0x0040
187 #endif
188 #ifndef MK_XBUTTON3
189 // LordHavoc: lets hope this allows more buttons in the future...
190    #define MK_XBUTTON3         0x0080
191    #define MK_XBUTTON4         0x0100
192    #define MK_XBUTTON5         0x0200
193    #define MK_XBUTTON6         0x0400
194    #define MK_XBUTTON7         0x0800
195 #endif
196 /* :: backslash */
197
198 // mouse variables
199 static int                      mouse_buttons;
200 static int                      mouse_oldbuttonstate;
201
202 static unsigned int uiWheelMessage;
203 #ifdef SUPPORTDIRECTX
204 static qboolean dinput_acquired;
205
206 static unsigned int             mstate_di;
207 #endif
208
209 static cvar_t vid_forcerefreshrate = {0, "vid_forcerefreshrate", "0", "try to set the given vid_refreshrate even if Windows doesn't list it as valid video mode"};
210
211 #ifdef SUPPORTDIRECTX
212 static LPDIRECTINPUT            g_pdi;
213 static LPDIRECTINPUTDEVICE      g_pMouse;
214 static HINSTANCE hInstDI;
215 #endif
216
217 // forward-referenced functions
218 static void IN_StartupMouse (void);
219 static void AdjustWindowBounds(int fullscreen, int *width, int *height, viddef_mode_t *mode, DWORD WindowStyle, RECT *rect);
220
221 //====================================
222
223 qboolean vid_reallyhidden = true;
224 #ifdef SUPPORTD3D
225 qboolean vid_begunscene = false;
226 #endif
227 void VID_Finish (void)
228 {
229 #ifdef SUPPORTD3D
230         HRESULT hr;
231 #endif
232         vid_hidden = vid_reallyhidden;
233
234         vid_usevsync = vid_vsync.integer && !cls.timedemo && qwglSwapIntervalEXT;
235
236         if (!vid_hidden)
237         {
238                 switch(vid.renderpath)
239                 {
240                 case RENDERPATH_GL11:
241                 case RENDERPATH_GL13:
242                 case RENDERPATH_GL20:
243                 case RENDERPATH_GLES1:
244                 case RENDERPATH_GLES2:
245                         if (vid_usingvsync != vid_usevsync)
246                         {
247                                 vid_usingvsync = vid_usevsync;
248                                 qwglSwapIntervalEXT (vid_usevsync);
249                         }
250                         if (r_speeds.integer == 2 || gl_finish.integer)
251                                 GL_Finish();
252                         SwapBuffers(baseDC);
253                         break;
254                 case RENDERPATH_D3D9:
255 #ifdef SUPPORTD3D
256                         if (vid_begunscene)
257                         {
258                                 IDirect3DDevice9_EndScene(vid_d3d9dev);
259                                 vid_begunscene = false;
260                         }
261                         if (!vid_reallyhidden)
262                         {
263                                 if (!vid_d3ddevicelost)
264                                 {
265                                         vid_hidden = vid_reallyhidden;
266                                         hr = IDirect3DDevice9_Present(vid_d3d9dev, NULL, NULL, NULL, NULL);
267                                         if (hr == D3DERR_DEVICELOST)
268                                         {
269                                                 vid_d3ddevicelost = true;
270                                                 vid_hidden = true;
271                                                 Sleep(100);
272                                         }
273                                 }
274                                 else
275                                 {
276                                         hr = IDirect3DDevice9_TestCooperativeLevel(vid_d3d9dev);
277                                         switch(hr)
278                                         {
279                                         case D3DERR_DEVICELOST:
280                                                 vid_d3ddevicelost = true;
281                                                 vid_hidden = true;
282                                                 Sleep(100);
283                                                 break;
284                                         case D3DERR_DEVICENOTRESET:
285                                                 vid_d3ddevicelost = false;
286                                                 vid_hidden = vid_reallyhidden;
287                                                 R_Modules_DeviceLost();
288                                                 IDirect3DDevice9_Reset(vid_d3d9dev, &vid_d3dpresentparameters);
289                                                 R_Modules_DeviceRestored();
290                                                 break;
291                                         case D3D_OK:
292                                                 vid_hidden = vid_reallyhidden;
293                                                 IDirect3DDevice9_Present(vid_d3d9dev, NULL, NULL, NULL, NULL);
294                                                 break;
295                                         }
296                                 }
297                                 if (!vid_begunscene && !vid_hidden)
298                                 {
299                                         IDirect3DDevice9_BeginScene(vid_d3d9dev);
300                                         vid_begunscene = true;
301                                 }
302                         }
303 #endif
304                         break;
305                 case RENDERPATH_D3D10:
306                         break;
307                 case RENDERPATH_D3D11:
308                         break;
309                 case RENDERPATH_SOFT:
310                         DPSOFTRAST_Finish();
311 //                      baseDC = GetDC(mainwindow);
312                         BitBlt(baseDC, 0, 0, vid.width, vid.height, vid_softhdc, 0, 0, SRCCOPY);
313 //                      ReleaseDC(mainwindow, baseDC);
314 //                      baseDC = NULL;
315                         break;
316                 }
317         }
318
319         // make sure a context switch can happen every frame - Logitech drivers
320         // input drivers sometimes eat cpu time every 3 seconds or lag badly
321         // without this help
322         Sleep(0);
323
324         VID_UpdateGamma(false, 256);
325 }
326
327 //==========================================================================
328
329
330 static unsigned char scantokey[128] =
331 {
332 //  0           1        2     3     4     5       6           7      8         9      A          B           C       D            E           F
333         0          ,K_ESCAPE,'1'  ,'2'  ,'3'  ,'4'    ,'5'        ,'6'   ,'7'      ,'8'   ,'9'       ,'0'        ,'-'    ,'='         ,K_BACKSPACE,K_TAB,//0
334         'q'        ,'w'     ,'e'  ,'r'  ,'t'  ,'y'    ,'u'        ,'i'   ,'o'      ,'p'   ,'['       ,']'        ,K_ENTER,K_CTRL      ,'a'        ,'s'  ,//1
335         'd'        ,'f'     ,'g'  ,'h'  ,'j'  ,'k'    ,'l'        ,';'   ,'\''     ,'`'   ,K_SHIFT   ,'\\'       ,'z'    ,'x'         ,'c'        ,'v'  ,//2
336         'b'        ,'n'     ,'m'  ,','  ,'.'  ,'/'    ,K_SHIFT    ,'*'   ,K_ALT    ,' '   ,K_CAPSLOCK,K_F1       ,K_F2   ,K_F3        ,K_F4       ,K_F5 ,//3
337         K_F6       ,K_F7    ,K_F8 ,K_F9 ,K_F10,K_PAUSE,K_SCROLLOCK,K_HOME,K_UPARROW,K_PGUP,K_KP_MINUS,K_LEFTARROW,K_KP_5 ,K_RIGHTARROW,K_KP_PLUS  ,K_END,//4
338         K_DOWNARROW,K_PGDN  ,K_INS,K_DEL,0    ,0      ,0          ,K_F11 ,K_F12    ,0     ,0         ,0          ,0      ,0           ,0          ,0    ,//5
339         0          ,0       ,0    ,0    ,0    ,0      ,0          ,0     ,0        ,0     ,0         ,0          ,0      ,0           ,0          ,0    ,//6
340         0          ,0       ,0    ,0    ,0    ,0      ,0          ,0     ,0        ,0     ,0         ,0          ,0      ,0           ,0          ,0     //7
341 };
342
343
344 /*
345 =======
346 MapKey
347
348 Map from windows to quake keynums
349 =======
350 */
351 static int MapKey (int key, int virtualkey)
352 {
353         int result;
354         int modified = (key >> 16) & 255;
355         qboolean is_extended = false;
356
357         if (modified < 128 && scantokey[modified])
358                 result = scantokey[modified];
359         else
360         {
361                 result = 0;
362                 Con_DPrintf("key 0x%02x (0x%8x, 0x%8x) has no translation\n", modified, key, virtualkey);
363         }
364
365         if (key & (1 << 24))
366                 is_extended = true;
367
368         if ( !is_extended )
369         {
370                 if(((GetKeyState(VK_NUMLOCK)) & 0xffff) == 0)
371                         return result;
372
373                 switch ( result )
374                 {
375                 case K_HOME:
376                         return K_KP_HOME;
377                 case K_UPARROW:
378                         return K_KP_UPARROW;
379                 case K_PGUP:
380                         return K_KP_PGUP;
381                 case K_LEFTARROW:
382                         return K_KP_LEFTARROW;
383                 case K_RIGHTARROW:
384                         return K_KP_RIGHTARROW;
385                 case K_END:
386                         return K_KP_END;
387                 case K_DOWNARROW:
388                         return K_KP_DOWNARROW;
389                 case K_PGDN:
390                         return K_KP_PGDN;
391                 case K_INS:
392                         return K_KP_INS;
393                 case K_DEL:
394                         return K_KP_DEL;
395                 default:
396                         return result;
397                 }
398         }
399         else
400         {
401                 if(virtualkey == VK_NUMLOCK)
402                         return K_NUMLOCK;
403
404                 switch ( result )
405                 {
406                 case 0x0D:
407                         return K_KP_ENTER;
408                 case 0x2F:
409                         return K_KP_SLASH;
410                 case 0xAF:
411                         return K_KP_PLUS;
412                 }
413                 return result;
414         }
415 }
416
417 /*
418 ===================================================================
419
420 MAIN WINDOW
421
422 ===================================================================
423 */
424
425 /*
426 ================
427 ClearAllStates
428 ================
429 */
430 static void ClearAllStates (void)
431 {
432         Key_ClearStates ();
433         if (vid_usingmouse)
434                 mouse_oldbuttonstate = 0;
435 }
436
437 void AppActivate(BOOL fActive, BOOL minimize)
438 /****************************************************************************
439 *
440 * Function:     AppActivate
441 * Parameters:   fActive - True if app is activating
442 *
443 * Description:  If the application is activating, then swap the system
444 *               into SYSPAL_NOSTATIC mode so that our palettes will display
445 *               correctly.
446 *
447 ****************************************************************************/
448 {
449         static qboolean sound_active = false;  // initially blocked by Sys_InitConsole()
450
451         vid_activewindow = fActive != FALSE;
452         vid_reallyhidden = minimize != FALSE;
453
454         // enable/disable sound on focus gain/loss
455         if ((!vid_reallyhidden && vid_activewindow) || !snd_mutewhenidle.integer)
456         {
457                 if (!sound_active)
458                 {
459                         S_UnblockSound ();
460                         sound_active = true;
461                 }
462         }
463         else
464         {
465                 if (sound_active)
466                 {
467                         S_BlockSound ();
468                         sound_active = false;
469                 }
470         }
471
472         if (fActive)
473         {
474                 if (vid_isfullscreen)
475                 {
476                         if (vid_wassuspended)
477                         {
478                                 vid_wassuspended = false;
479                                 if (gldll)
480                                 {
481                                         ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN);
482                                         ShowWindow(mainwindow, SW_SHOWNORMAL);
483                                 }
484                         }
485
486                         // LordHavoc: from dabb, fix for alt-tab bug in NVidia drivers
487                         if (gldll)
488                                 MoveWindow(mainwindow,0,0,gdevmode.dmPelsWidth,gdevmode.dmPelsHeight,false);
489                 }
490         }
491
492         if (!fActive)
493         {
494                 VID_SetMouse(false, false, false);
495                 if (vid_isfullscreen)
496                 {
497                         if (gldll)
498                                 ChangeDisplaySettings (NULL, CDS_FULLSCREEN);
499                         vid_wassuspended = true;
500                 }
501                 VID_RestoreSystemGamma();
502         }
503 }
504
505 //TODO: move it around in vid_wgl.c since I dont think this is the right position
506 void Sys_SendKeyEvents (void)
507 {
508         MSG msg;
509
510         while (PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE))
511         {
512                 if (!GetMessage (&msg, NULL, 0, 0))
513                         Sys_Quit (1);
514
515                 TranslateMessage (&msg);
516                 DispatchMessage (&msg);
517         }
518 }
519
520 #ifdef CONFIG_CD
521 LONG CDAudio_MessageHandler(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
522 #endif
523
524 static keynum_t buttonremap[16] =
525 {
526         K_MOUSE1,
527         K_MOUSE2,
528         K_MOUSE3,
529         K_MOUSE4,
530         K_MOUSE5,
531         K_MOUSE6,
532         K_MOUSE7,
533         K_MOUSE8,
534         K_MOUSE9,
535         K_MOUSE10,
536         K_MOUSE11,
537         K_MOUSE12,
538         K_MOUSE13,
539         K_MOUSE14,
540         K_MOUSE15,
541         K_MOUSE16,
542 };
543
544 /* main window procedure */
545 LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM  wParam, LPARAM lParam)
546 {
547         LONG    lRet = 1;
548         int             fActive, fMinimized, temp;
549         unsigned char state[256];
550         const unsigned int UNICODE_BUFFER_LENGTH = 4;
551         WCHAR unicode[UNICODE_BUFFER_LENGTH];
552         int             vkey;
553         int             charlength;
554         qboolean down = false;
555
556         if ( uMsg == uiWheelMessage )
557                 uMsg = WM_MOUSEWHEEL;
558
559         switch (uMsg)
560         {
561                 case WM_KILLFOCUS:
562                         if (vid_isfullscreen)
563                                 ShowWindow(mainwindow, SW_SHOWMINNOACTIVE);
564                         break;
565
566                 case WM_CREATE:
567                         break;
568
569                 case WM_MOVE:
570                         window_x = (short) LOWORD(lParam);
571                         window_y = (short) HIWORD(lParam);
572                         VID_SetMouse(false, false, false);
573                         break;
574
575                 case WM_KEYDOWN:
576                 case WM_SYSKEYDOWN:
577                         down = true;
578                 case WM_KEYUP:
579                 case WM_SYSKEYUP:
580                         vkey = MapKey(lParam, wParam);
581                         GetKeyboardState (state);
582                         // alt/ctrl/shift tend to produce funky ToAscii values,
583                         // and if it's not a single character we don't know care about it
584                         charlength = ToUnicode(wParam, lParam >> 16, state, unicode, UNICODE_BUFFER_LENGTH, 0);
585                         if(vkey == K_ALT || vkey == K_CTRL || vkey == K_SHIFT || charlength == 0)
586                                 unicode[0] = 0;
587                         else if(charlength == 2)
588                                 unicode[0] = unicode[1];
589                         if (!VID_JoyBlockEmulatedKeys(vkey))
590                                 Key_Event(vkey, unicode[0], down);
591                         break;
592
593                 case WM_SYSCHAR:
594                 // keep Alt-Space from happening
595                         break;
596
597                 case WM_SYSCOMMAND:
598                         // prevent screensaver from occuring while the active window
599                         // note: password-locked screensavers on Vista still work
600                         if (vid_activewindow && ((wParam & 0xFFF0) == SC_SCREENSAVE || (wParam & 0xFFF0) == SC_MONITORPOWER))
601                                 lRet = 0;
602                         else
603                                 lRet = DefWindowProc (hWnd, uMsg, wParam, lParam);
604                         break;
605
606         // this is complicated because Win32 seems to pack multiple mouse events into
607         // one update sometimes, so we always check all states and look for events
608                 case WM_LBUTTONDOWN:
609                 case WM_LBUTTONUP:
610                 case WM_RBUTTONDOWN:
611                 case WM_RBUTTONUP:
612                 case WM_MBUTTONDOWN:
613                 case WM_MBUTTONUP:
614                 case WM_XBUTTONDOWN:   // backslash :: imouse explorer buttons
615                 case WM_XBUTTONUP:      // backslash :: imouse explorer buttons
616                 case WM_MOUSEMOVE:
617                         temp = 0;
618
619                         if (wParam & MK_LBUTTON)
620                                 temp |= 1;
621
622                         if (wParam & MK_RBUTTON)
623                                 temp |= 2;
624
625                         if (wParam & MK_MBUTTON)
626                                 temp |= 4;
627
628                         /* backslash :: imouse explorer buttons */
629                         if (wParam & MK_XBUTTON1)
630                                 temp |= 8;
631
632                         if (wParam & MK_XBUTTON2)
633                                 temp |= 16;
634                         /* :: backslash */
635
636                         // LordHavoc: lets hope this allows more buttons in the future...
637                         if (wParam & MK_XBUTTON3)
638                                 temp |= 32;
639                         if (wParam & MK_XBUTTON4)
640                                 temp |= 64;
641                         if (wParam & MK_XBUTTON5)
642                                 temp |= 128;
643                         if (wParam & MK_XBUTTON6)
644                                 temp |= 256;
645                         if (wParam & MK_XBUTTON7)
646                                 temp |= 512;
647
648 #ifdef SUPPORTDIRECTX
649                         if (!dinput_acquired)
650 #endif
651                         {
652                                 // perform button actions
653                                 int i;
654                                 for (i=0 ; i<mouse_buttons && i < 16 ; i++)
655                                         if ((temp ^ mouse_oldbuttonstate) & (1<<i))
656                                                 Key_Event (buttonremap[i], 0, (temp & (1<<i)) != 0);
657                                 mouse_oldbuttonstate = temp;
658                         }
659
660                         break;
661
662                 // JACK: This is the mouse wheel with the Intellimouse
663                 // Its delta is either positive or neg, and we generate the proper
664                 // Event.
665                 case WM_MOUSEWHEEL:
666                         if ((short) HIWORD(wParam) > 0) {
667                                 Key_Event(K_MWHEELUP, 0, true);
668                                 Key_Event(K_MWHEELUP, 0, false);
669                         } else {
670                                 Key_Event(K_MWHEELDOWN, 0, true);
671                                 Key_Event(K_MWHEELDOWN, 0, false);
672                         }
673                         break;
674
675                 case WM_SIZE:
676                         break;
677
678                 case WM_CLOSE:
679                         if (MessageBox (mainwindow, "Are you sure you want to quit?", "Confirm Exit", MB_YESNO | MB_SETFOREGROUND | MB_ICONQUESTION) == IDYES)
680                                 Sys_Quit (0);
681
682                         break;
683
684                 case WM_ACTIVATE:
685                         fActive = LOWORD(wParam);
686                         fMinimized = (BOOL) HIWORD(wParam);
687                         AppActivate(!(fActive == WA_INACTIVE), fMinimized);
688
689                 // fix the leftover Alt from any Alt-Tab or the like that switched us away
690                         ClearAllStates ();
691
692                         break;
693
694                 //case WM_DESTROY:
695                 //      PostQuitMessage (0);
696                 //      break;
697
698                 case MM_MCINOTIFY:
699 #ifdef CONFIG_CD
700                         lRet = CDAudio_MessageHandler (hWnd, uMsg, wParam, lParam);
701 #endif
702                         break;
703
704                 default:
705                         /* pass all unhandled messages to DefWindowProc */
706                         lRet = DefWindowProc (hWnd, uMsg, wParam, lParam);
707                 break;
708         }
709
710         /* return 1 if handled message, 0 if not */
711         return lRet;
712 }
713
714 int VID_SetGamma(unsigned short *ramps, int rampsize)
715 {
716         if (qwglMakeCurrent)
717         {
718                 HDC hdc = GetDC (NULL);
719                 int i = SetDeviceGammaRamp(hdc, ramps);
720                 ReleaseDC (NULL, hdc);
721                 return i; // return success or failure
722         }
723         else
724                 return 0;
725 }
726
727 int VID_GetGamma(unsigned short *ramps, int rampsize)
728 {
729         if (qwglMakeCurrent)
730         {
731                 HDC hdc = GetDC (NULL);
732                 int i = GetDeviceGammaRamp(hdc, ramps);
733                 ReleaseDC (NULL, hdc);
734                 return i; // return success or failure
735         }
736         else
737                 return 0;
738 }
739
740 static void GL_CloseLibrary(void)
741 {
742         if (gldll)
743         {
744                 FreeLibrary(gldll);
745                 gldll = 0;
746                 gl_driver[0] = 0;
747                 qwglGetProcAddress = NULL;
748                 gl_extensions = "";
749                 gl_platform = "";
750                 gl_platformextensions = "";
751         }
752 }
753
754 static int GL_OpenLibrary(const char *name)
755 {
756         Con_Printf("Loading OpenGL driver %s\n", name);
757         GL_CloseLibrary();
758         if (!(gldll = LoadLibrary(name)))
759         {
760                 Con_Printf("Unable to LoadLibrary %s\n", name);
761                 return false;
762         }
763         strlcpy(gl_driver, name, sizeof(gl_driver));
764         return true;
765 }
766
767 void *GL_GetProcAddress(const char *name)
768 {
769         if (gldll)
770         {
771                 void *p = NULL;
772                 if (qwglGetProcAddress != NULL)
773                         p = (void *) qwglGetProcAddress(name);
774                 if (p == NULL)
775                         p = (void *) GetProcAddress(gldll, name);
776                 return p;
777         }
778         else
779                 return NULL;
780 }
781
782 #ifndef WGL_ARB_pixel_format
783 #define WGL_NUMBER_PIXEL_FORMATS_ARB   0x2000
784 #define WGL_DRAW_TO_WINDOW_ARB         0x2001
785 #define WGL_DRAW_TO_BITMAP_ARB         0x2002
786 #define WGL_ACCELERATION_ARB           0x2003
787 #define WGL_NEED_PALETTE_ARB           0x2004
788 #define WGL_NEED_SYSTEM_PALETTE_ARB    0x2005
789 #define WGL_SWAP_LAYER_BUFFERS_ARB     0x2006
790 #define WGL_SWAP_METHOD_ARB            0x2007
791 #define WGL_NUMBER_OVERLAYS_ARB        0x2008
792 #define WGL_NUMBER_UNDERLAYS_ARB       0x2009
793 #define WGL_TRANSPARENT_ARB            0x200A
794 #define WGL_TRANSPARENT_RED_VALUE_ARB  0x2037
795 #define WGL_TRANSPARENT_GREEN_VALUE_ARB 0x2038
796 #define WGL_TRANSPARENT_BLUE_VALUE_ARB 0x2039
797 #define WGL_TRANSPARENT_ALPHA_VALUE_ARB 0x203A
798 #define WGL_TRANSPARENT_INDEX_VALUE_ARB 0x203B
799 #define WGL_SHARE_DEPTH_ARB            0x200C
800 #define WGL_SHARE_STENCIL_ARB          0x200D
801 #define WGL_SHARE_ACCUM_ARB            0x200E
802 #define WGL_SUPPORT_GDI_ARB            0x200F
803 #define WGL_SUPPORT_OPENGL_ARB         0x2010
804 #define WGL_DOUBLE_BUFFER_ARB          0x2011
805 #define WGL_STEREO_ARB                 0x2012
806 #define WGL_PIXEL_TYPE_ARB             0x2013
807 #define WGL_COLOR_BITS_ARB             0x2014
808 #define WGL_RED_BITS_ARB               0x2015
809 #define WGL_RED_SHIFT_ARB              0x2016
810 #define WGL_GREEN_BITS_ARB             0x2017
811 #define WGL_GREEN_SHIFT_ARB            0x2018
812 #define WGL_BLUE_BITS_ARB              0x2019
813 #define WGL_BLUE_SHIFT_ARB             0x201A
814 #define WGL_ALPHA_BITS_ARB             0x201B
815 #define WGL_ALPHA_SHIFT_ARB            0x201C
816 #define WGL_ACCUM_BITS_ARB             0x201D
817 #define WGL_ACCUM_RED_BITS_ARB         0x201E
818 #define WGL_ACCUM_GREEN_BITS_ARB       0x201F
819 #define WGL_ACCUM_BLUE_BITS_ARB        0x2020
820 #define WGL_ACCUM_ALPHA_BITS_ARB       0x2021
821 #define WGL_DEPTH_BITS_ARB             0x2022
822 #define WGL_STENCIL_BITS_ARB           0x2023
823 #define WGL_AUX_BUFFERS_ARB            0x2024
824 #define WGL_NO_ACCELERATION_ARB        0x2025
825 #define WGL_GENERIC_ACCELERATION_ARB   0x2026
826 #define WGL_FULL_ACCELERATION_ARB      0x2027
827 #define WGL_SWAP_EXCHANGE_ARB          0x2028
828 #define WGL_SWAP_COPY_ARB              0x2029
829 #define WGL_SWAP_UNDEFINED_ARB         0x202A
830 #define WGL_TYPE_RGBA_ARB              0x202B
831 #define WGL_TYPE_COLORINDEX_ARB        0x202C
832 #endif
833
834 #ifndef WGL_ARB_multisample
835 #define WGL_SAMPLE_BUFFERS_ARB         0x2041
836 #define WGL_SAMPLES_ARB                0x2042
837 #endif
838
839
840 static void IN_Init(void);
841 void VID_Init(void)
842 {
843         WNDCLASS wc;
844
845 #ifdef SUPPORTD3D
846         Cvar_RegisterVariable(&vid_dx9);
847         Cvar_RegisterVariable(&vid_dx9_hal);
848         Cvar_RegisterVariable(&vid_dx9_softvertex);
849         Cvar_RegisterVariable(&vid_dx9_triplebuffer);
850 //      Cvar_RegisterVariable(&vid_dx10);
851 //      Cvar_RegisterVariable(&vid_dx11);
852 #endif
853
854         InitCommonControls();
855         hIcon = LoadIcon (global_hInstance, MAKEINTRESOURCE (IDI_ICON1));
856
857         // Register the frame class
858         wc.style         = 0;
859         wc.lpfnWndProc   = (WNDPROC)MainWndProc;
860         wc.cbClsExtra    = 0;
861         wc.cbWndExtra    = 0;
862         wc.hInstance     = global_hInstance;
863         wc.hIcon         = hIcon;
864         wc.hCursor       = LoadCursor (NULL,IDC_ARROW);
865         wc.hbrBackground = NULL;
866         wc.lpszMenuName  = 0;
867         wc.lpszClassName = "DarkPlacesWindowClass";
868
869         if (!RegisterClass (&wc))
870                 Con_Printf ("Couldn't register window class\n");
871
872         memset(&initialdevmode, 0, sizeof(initialdevmode));
873         EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &initialdevmode);
874
875         desktop_mode.width = initialdevmode.dmPelsWidth;
876         desktop_mode.height = initialdevmode.dmPelsHeight;
877         desktop_mode.bpp = initialdevmode.dmBitsPerPel;
878         desktop_mode.refreshrate = initialdevmode.dmDisplayFrequency;
879         desktop_mode.pixelheight_num = 1;
880         desktop_mode.pixelheight_denom = 1; // Win32 apparently does not provide this (FIXME)
881
882         IN_Init();
883 }
884
885 qboolean VID_InitModeGL(viddef_mode_t *mode)
886 {
887         int i;
888         HDC hdc;
889         RECT rect;
890         MSG msg;
891         PIXELFORMATDESCRIPTOR pfd =
892         {
893                 sizeof(PIXELFORMATDESCRIPTOR),  // size of this pfd
894                 1,                              // version number
895                 PFD_DRAW_TO_WINDOW              // support window
896                 |  PFD_SUPPORT_OPENGL   // support OpenGL
897                 |  PFD_DOUBLEBUFFER ,   // double buffered
898                 PFD_TYPE_RGBA,                  // RGBA type
899                 24,                             // 24-bit color depth
900                 0, 0, 0, 0, 0, 0,               // color bits ignored
901                 0,                              // no alpha buffer
902                 0,                              // shift bit ignored
903                 0,                              // no accumulation buffer
904                 0, 0, 0, 0,                     // accum bits ignored
905                 32,                             // 32-bit z-buffer
906                 0,                              // no stencil buffer
907                 0,                              // no auxiliary buffer
908                 PFD_MAIN_PLANE,                 // main layer
909                 0,                              // reserved
910                 0, 0, 0                         // layer masks ignored
911         };
912         int windowpass;
913         int pixelformat, newpixelformat;
914         UINT numpixelformats;
915         DWORD WindowStyle, ExWindowStyle;
916         const char *gldrivername;
917         int depth;
918         DEVMODE thismode;
919         qboolean foundmode, foundgoodmode;
920         int *a;
921         float *af;
922         int attribs[128];
923         float attribsf[16];
924         int bpp = mode->bitsperpixel;
925         int width = mode->width;
926         int height = mode->height;
927         int refreshrate = (int)floor(mode->refreshrate+0.5);
928         int stereobuffer = mode->stereobuffer;
929         int samples = mode->samples;
930         int fullscreen = mode->fullscreen;
931
932         if (vid_initialized)
933                 Sys_Error("VID_InitMode called when video is already initialised");
934
935         // if stencil is enabled, ask for alpha too
936         if (bpp >= 32)
937         {
938                 pfd.cRedBits = 8;
939                 pfd.cGreenBits = 8;
940                 pfd.cBlueBits = 8;
941                 pfd.cAlphaBits = 8;
942                 pfd.cDepthBits = 24;
943                 pfd.cStencilBits = 8;
944         }
945         else
946         {
947                 pfd.cRedBits = 5;
948                 pfd.cGreenBits = 5;
949                 pfd.cBlueBits = 5;
950                 pfd.cAlphaBits = 0;
951                 pfd.cDepthBits = 16;
952                 pfd.cStencilBits = 0;
953         }
954
955         if (stereobuffer)
956                 pfd.dwFlags |= PFD_STEREO;
957
958         a = attribs;
959         af = attribsf;
960         *a++ = WGL_DRAW_TO_WINDOW_ARB;
961         *a++ = GL_TRUE;
962         *a++ = WGL_ACCELERATION_ARB;
963         *a++ = WGL_FULL_ACCELERATION_ARB;
964         *a++ = WGL_DOUBLE_BUFFER_ARB;
965         *a++ = true;
966
967         if (bpp >= 32)
968         {
969                 *a++ = WGL_RED_BITS_ARB;
970                 *a++ = 8;
971                 *a++ = WGL_GREEN_BITS_ARB;
972                 *a++ = 8;
973                 *a++ = WGL_BLUE_BITS_ARB;
974                 *a++ = 8;
975                 *a++ = WGL_ALPHA_BITS_ARB;
976                 *a++ = 8;
977                 *a++ = WGL_DEPTH_BITS_ARB;
978                 *a++ = 24;
979                 *a++ = WGL_STENCIL_BITS_ARB;
980                 *a++ = 8;
981         }
982         else
983         {
984                 *a++ = WGL_RED_BITS_ARB;
985                 *a++ = 1;
986                 *a++ = WGL_GREEN_BITS_ARB;
987                 *a++ = 1;
988                 *a++ = WGL_BLUE_BITS_ARB;
989                 *a++ = 1;
990                 *a++ = WGL_DEPTH_BITS_ARB;
991                 *a++ = 16;
992         }
993
994         if (stereobuffer)
995         {
996                 *a++ = WGL_STEREO_ARB;
997                 *a++ = GL_TRUE;
998         }
999
1000         if (samples > 1)
1001         {
1002                 *a++ = WGL_SAMPLE_BUFFERS_ARB;
1003                 *a++ = 1;
1004                 *a++ = WGL_SAMPLES_ARB;
1005                 *a++ = samples;
1006         }
1007
1008         *a = 0;
1009         *af = 0;
1010
1011         gldrivername = "opengl32.dll";
1012 // COMMANDLINEOPTION: Windows WGL: -gl_driver <drivername> selects a GL driver library, default is opengl32.dll, useful only for 3dfxogl.dll or 3dfxvgl.dll, if you don't know what this is for, you don't need it
1013         i = COM_CheckParm("-gl_driver");
1014         if (i && i < com_argc - 1)
1015                 gldrivername = com_argv[i + 1];
1016         if (!GL_OpenLibrary(gldrivername))
1017         {
1018                 Con_Printf("Unable to load GL driver %s\n", gldrivername);
1019                 return false;
1020         }
1021
1022         memset(&gdevmode, 0, sizeof(gdevmode));
1023
1024         vid_isfullscreen = false;
1025         if (fullscreen)
1026         {
1027                 if(vid_desktopfullscreen.integer)
1028                 {
1029                         foundmode = true;
1030                         gdevmode = initialdevmode;
1031                         width = mode->width = gdevmode.dmPelsWidth;
1032                         height = mode->height = gdevmode.dmPelsHeight;
1033                         bpp = mode->bitsperpixel = gdevmode.dmBitsPerPel;
1034                 }
1035                 else if(vid_forcerefreshrate.integer)
1036                 {
1037                         foundmode = true;
1038                         gdevmode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
1039                         gdevmode.dmBitsPerPel = bpp;
1040                         gdevmode.dmPelsWidth = width;
1041                         gdevmode.dmPelsHeight = height;
1042                         gdevmode.dmSize = sizeof (gdevmode);
1043                         if(refreshrate)
1044                         {
1045                                 gdevmode.dmFields |= DM_DISPLAYFREQUENCY;
1046                                 gdevmode.dmDisplayFrequency = refreshrate;
1047                         }
1048                 }
1049                 else
1050                 {
1051                         if(refreshrate == 0)
1052                                 refreshrate = initialdevmode.dmDisplayFrequency; // default vid_refreshrate to the rate of the desktop
1053
1054                         foundmode = false;
1055                         foundgoodmode = false;
1056
1057                         thismode.dmSize = sizeof(thismode);
1058                         thismode.dmDriverExtra = 0;
1059                         for(i = 0; EnumDisplaySettings(NULL, i, &thismode); ++i)
1060                         {
1061                                 if(~thismode.dmFields & (DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT | DM_DISPLAYFREQUENCY))
1062                                 {
1063                                         Con_DPrintf("enumerating modes yielded a bogus item... please debug this\n");
1064                                         continue;
1065                                 }
1066                                 if(developer_extra.integer)
1067                                         Con_DPrintf("Found mode %dx%dx%dbpp %dHz... ", (int)thismode.dmPelsWidth, (int)thismode.dmPelsHeight, (int)thismode.dmBitsPerPel, (int)thismode.dmDisplayFrequency);
1068                                 if(thismode.dmBitsPerPel != (DWORD)bpp)
1069                                 {
1070                                         if(developer_extra.integer)
1071                                                 Con_DPrintf("wrong bpp\n");
1072                                         continue;
1073                                 }
1074                                 if(thismode.dmPelsWidth != (DWORD)width)
1075                                 {
1076                                         if(developer_extra.integer)
1077                                                 Con_DPrintf("wrong width\n");
1078                                         continue;
1079                                 }
1080                                 if(thismode.dmPelsHeight != (DWORD)height)
1081                                 {
1082                                         if(developer_extra.integer)
1083                                                 Con_DPrintf("wrong height\n");
1084                                         continue;
1085                                 }
1086
1087                                 if(foundgoodmode)
1088                                 {
1089                                         // if we have a good mode, make sure this mode is better than the previous one, and allowed by the refreshrate
1090                                         if(thismode.dmDisplayFrequency > (DWORD)refreshrate)
1091                                         {
1092                                                 if(developer_extra.integer)
1093                                                         Con_DPrintf("too high refresh rate\n");
1094                                                 continue;
1095                                         }
1096                                         else if(thismode.dmDisplayFrequency <= gdevmode.dmDisplayFrequency)
1097                                         {
1098                                                 if(developer_extra.integer)
1099                                                         Con_DPrintf("doesn't beat previous best match (too low)\n");
1100                                                 continue;
1101                                         }
1102                                 }
1103                                 else if(foundmode)
1104                                 {
1105                                         // we do have one, but it isn't good... make sure it has a lower frequency than the previous one
1106                                         if(thismode.dmDisplayFrequency >= gdevmode.dmDisplayFrequency)
1107                                         {
1108                                                 if(developer_extra.integer)
1109                                                         Con_DPrintf("doesn't beat previous best match (too high)\n");
1110                                                 continue;
1111                                         }
1112                                 }
1113                                 // otherwise, take anything
1114
1115                                 memcpy(&gdevmode, &thismode, sizeof(gdevmode));
1116                                 if(thismode.dmDisplayFrequency <= (DWORD)refreshrate)
1117                                         foundgoodmode = true;
1118                                 else
1119                                 {
1120                                         if(developer_extra.integer)
1121                                                 Con_DPrintf("(out of range)\n");
1122                                 }
1123                                 foundmode = true;
1124                                 if(developer_extra.integer)
1125                                         Con_DPrintf("accepted\n");
1126                         }
1127                 }
1128
1129                 if (!foundmode)
1130                 {
1131                         VID_Shutdown();
1132                         Con_Printf("Unable to find the requested mode %dx%dx%dbpp\n", width, height, bpp);
1133                         return false;
1134                 }
1135                 else if(ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN) != DISP_CHANGE_SUCCESSFUL)
1136                 {
1137                         VID_Shutdown();
1138                         Con_Printf("Unable to change to requested mode %dx%dx%dbpp\n", width, height, bpp);
1139                         return false;
1140                 }
1141
1142                 vid_isfullscreen = true;
1143                 WindowStyle = WS_POPUP;
1144                 ExWindowStyle = WS_EX_TOPMOST;
1145         }
1146         else
1147         {
1148                 hdc = GetDC (NULL);
1149                 i = GetDeviceCaps(hdc, RASTERCAPS);
1150                 depth = GetDeviceCaps(hdc, PLANES) * GetDeviceCaps(hdc, BITSPIXEL);
1151                 ReleaseDC (NULL, hdc);
1152                 if (i & RC_PALETTE)
1153                 {
1154                         VID_Shutdown();
1155                         Con_Print("Can't run in non-RGB mode\n");
1156                         return false;
1157                 }
1158                 if (bpp > depth)
1159                 {
1160                         VID_Shutdown();
1161                         Con_Print("A higher desktop depth is required to run this video mode\n");
1162                         return false;
1163                 }
1164
1165                 WindowStyle = WS_OVERLAPPED | WS_BORDER | WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX;
1166                 ExWindowStyle = 0;
1167         }
1168
1169         AdjustWindowBounds(fullscreen, &width, &height, mode, WindowStyle, &rect);
1170
1171         pixelformat = 0;
1172         newpixelformat = 0;
1173         // start out at the final windowpass if samples is 1 as it's the only feature we need extended pixel formats for
1174         for (windowpass = samples == 1;windowpass < 2;windowpass++)
1175         {
1176                 gl_extensions = "";
1177                 gl_platformextensions = "";
1178
1179                 mainwindow = CreateWindowEx (ExWindowStyle, "DarkPlacesWindowClass", gamename, WindowStyle, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, NULL, NULL, global_hInstance, NULL);
1180                 if (!mainwindow)
1181                 {
1182                         Con_Printf("CreateWindowEx(%d, %s, %s, %d, %d, %d, %d, %d, %p, %p, %p, %p) failed\n", (int)ExWindowStyle, "DarkPlacesWindowClass", gamename, (int)WindowStyle, (int)(rect.left), (int)(rect.top), (int)(rect.right - rect.left), (int)(rect.bottom - rect.top), (void *)NULL, (void *)NULL, (void *)global_hInstance, (void *)NULL);
1183                         VID_Shutdown();
1184                         return false;
1185                 }
1186
1187                 baseDC = GetDC(mainwindow);
1188
1189                 if (!newpixelformat)
1190                         newpixelformat = ChoosePixelFormat(baseDC, &pfd);
1191                 pixelformat = newpixelformat;
1192                 if (!pixelformat)
1193                 {
1194                         VID_Shutdown();
1195                         Con_Printf("ChoosePixelFormat(%p, %p) failed\n", (void *)baseDC, (void *)&pfd);
1196                         return false;
1197                 }
1198
1199                 if (SetPixelFormat(baseDC, pixelformat, &pfd) == false)
1200                 {
1201                         VID_Shutdown();
1202                         Con_Printf("SetPixelFormat(%p, %d, %p) failed\n", (void *)baseDC, pixelformat, (void *)&pfd);
1203                         return false;
1204                 }
1205
1206                 if (!GL_CheckExtension("wgl", wglfuncs, NULL, false))
1207                 {
1208                         VID_Shutdown();
1209                         Con_Print("wgl functions not found\n");
1210                         return false;
1211                 }
1212
1213                 baseRC = qwglCreateContext(baseDC);
1214                 if (!baseRC)
1215                 {
1216                         VID_Shutdown();
1217                         Con_Print("Could not initialize GL (wglCreateContext failed).\n\nMake sure you are in 65536 color mode, and try running -window.\n");
1218                         return false;
1219                 }
1220                 if (!qwglMakeCurrent(baseDC, baseRC))
1221                 {
1222                         VID_Shutdown();
1223                         Con_Printf("wglMakeCurrent(%p, %p) failed\n", (void *)baseDC, (void *)baseRC);
1224                         return false;
1225                 }
1226
1227                 if ((qglGetString = (const GLubyte* (GLAPIENTRY *)(GLenum name))GL_GetProcAddress("glGetString")) == NULL)
1228                 {
1229                         VID_Shutdown();
1230                         Con_Print("glGetString not found\n");
1231                         return false;
1232                 }
1233                 if ((qwglGetExtensionsStringARB = (const char *(WINAPI *)(HDC hdc))GL_GetProcAddress("wglGetExtensionsStringARB")) == NULL)
1234                         Con_Print("wglGetExtensionsStringARB not found\n");
1235
1236                 gl_extensions = (const char *)qglGetString(GL_EXTENSIONS);
1237                 gl_platform = "WGL";
1238                 gl_platformextensions = "";
1239
1240                 if (qwglGetExtensionsStringARB)
1241                         gl_platformextensions = (const char *)qwglGetExtensionsStringARB(baseDC);
1242
1243                 if (!gl_extensions)
1244                         gl_extensions = "";
1245                 if (!gl_platformextensions)
1246                         gl_platformextensions = "";
1247
1248                 // now some nice Windows pain:
1249                 // we have created a window, we needed one to find out if there are
1250                 // any multisample pixel formats available, the problem is that to
1251                 // actually use one of those multisample formats we now have to
1252                 // recreate the window (yes Microsoft OpenGL really is that bad)
1253
1254                 if (windowpass == 0)
1255                 {
1256                         if (!GL_CheckExtension("WGL_ARB_pixel_format", wglpixelformatfuncs, "-noarbpixelformat", false) || !qwglChoosePixelFormatARB(baseDC, attribs, attribsf, 1, &newpixelformat, &numpixelformats) || !newpixelformat)
1257                                 break;
1258                         // ok we got one - do it all over again with newpixelformat
1259                         qwglMakeCurrent(NULL, NULL);
1260                         qwglDeleteContext(baseRC);baseRC = 0;
1261                         ReleaseDC(mainwindow, baseDC);baseDC = 0;
1262                         // eat up any messages waiting for us
1263                         while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
1264                         {
1265                                 TranslateMessage (&msg);
1266                                 DispatchMessage (&msg);
1267                         }
1268                 }
1269         }
1270
1271         /*
1272         if (!fullscreen)
1273                 SetWindowPos (mainwindow, NULL, CenterX, CenterY, 0, 0,SWP_NOSIZE | SWP_NOZORDER | SWP_SHOWWINDOW | SWP_DRAWFRAME);
1274         */
1275
1276         ShowWindow (mainwindow, SW_SHOWDEFAULT);
1277         UpdateWindow (mainwindow);
1278
1279         // now we try to make sure we get the focus on the mode switch, because
1280         // sometimes in some systems we don't.  We grab the foreground, then
1281         // finish setting up, pump all our messages, and sleep for a little while
1282         // to let messages finish bouncing around the system, then we put
1283         // ourselves at the top of the z order, then grab the foreground again,
1284         // Who knows if it helps, but it probably doesn't hurt
1285         SetForegroundWindow (mainwindow);
1286
1287         while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
1288         {
1289                 TranslateMessage (&msg);
1290                 DispatchMessage (&msg);
1291         }
1292
1293         Sleep (100);
1294
1295         SetWindowPos (mainwindow, HWND_TOP, 0, 0, 0, 0, SWP_DRAWFRAME | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW | SWP_NOCOPYBITS);
1296
1297         SetForegroundWindow (mainwindow);
1298
1299         // fix the leftover Alt from any Alt-Tab or the like that switched us away
1300         ClearAllStates ();
1301
1302 // COMMANDLINEOPTION: Windows WGL: -novideosync disables WGL_EXT_swap_control
1303         GL_CheckExtension("WGL_EXT_swap_control", wglswapintervalfuncs, "-novideosync", false);
1304
1305         GL_Init ();
1306
1307         //vid_menudrawfn = VID_MenuDraw;
1308         //vid_menukeyfn = VID_MenuKey;
1309         vid_usingmouse = false;
1310         vid_usinghidecursor = false;
1311         vid_usingvsync = false;
1312         vid_reallyhidden = vid_hidden = false;
1313         vid_initialized = true;
1314
1315         IN_StartupMouse ();
1316
1317         if (qwglSwapIntervalEXT)
1318         {
1319                 vid_usevsync = vid_vsync.integer != 0;
1320                 vid_usingvsync = vid_vsync.integer != 0;
1321                 qwglSwapIntervalEXT (vid_usevsync);
1322         }
1323
1324         return true;
1325 }
1326
1327 static void AdjustWindowBounds(int fullscreen, int *width, int *height, viddef_mode_t *mode, DWORD WindowStyle, RECT *rect)
1328 {
1329         int CenterX, CenterY;
1330
1331         rect->top = 0;
1332         rect->left = 0;
1333         rect->right = *width;
1334         rect->bottom = *height;
1335         AdjustWindowRectEx(rect, WindowStyle, false, 0);
1336
1337         if (fullscreen)
1338         {
1339                 CenterX = 0;
1340                 CenterY = 0;
1341         }
1342         else
1343         {
1344                 RECT workArea;
1345                 SystemParametersInfo(SPI_GETWORKAREA, NULL, &workArea, 0);
1346                 int workWidth = workArea.right - workArea.left;
1347                 int workHeight = workArea.bottom - workArea.top;
1348
1349                 // if height/width matches physical screen height/width, adjust it to available desktop size
1350                 // and allow 2 pixels on top for the title bar so the window can be moved
1351                 const int titleBarPixels = 2;
1352                 if (*width == GetSystemMetrics(SM_CXSCREEN) && (*height == GetSystemMetrics(SM_CYSCREEN) || *height == workHeight - titleBarPixels))
1353                 {
1354                         rect->right -= *width - workWidth;
1355                         *width = mode->width = workWidth;
1356                         rect->bottom -= *height - (workHeight - titleBarPixels);
1357                         *height = mode->height = workHeight - titleBarPixels;
1358                         CenterX = 0;
1359                         CenterY = titleBarPixels;
1360                 }
1361                 else
1362                 {
1363                         CenterX = max(0, (workWidth - *width) / 2);
1364                         CenterY = max(0, (workHeight - *height) / 2);
1365                 }
1366         }
1367
1368         // x and y may be changed by WM_MOVE messages
1369         window_x = CenterX;
1370         window_y = CenterY;
1371         rect->left += CenterX;
1372         rect->right += CenterX;
1373         rect->top += CenterY;
1374         rect->bottom += CenterY;
1375 }
1376
1377 #ifdef SUPPORTD3D
1378 static D3DADAPTER_IDENTIFIER9 d3d9adapteridentifier;
1379
1380 extern cvar_t gl_info_extensions;
1381 extern cvar_t gl_info_vendor;
1382 extern cvar_t gl_info_renderer;
1383 extern cvar_t gl_info_version;
1384 extern cvar_t gl_info_platform;
1385 extern cvar_t gl_info_driver;
1386 qboolean VID_InitModeDX(viddef_mode_t *mode, int version)
1387 {
1388         int deviceindex;
1389         RECT rect;
1390         MSG msg;
1391         DWORD WindowStyle, ExWindowStyle;
1392         int bpp = mode->bitsperpixel;
1393         int width = mode->width;
1394         int height = mode->height;
1395         int refreshrate = (int)floor(mode->refreshrate+0.5);
1396 //      int stereobuffer = mode->stereobuffer;
1397         int samples = mode->samples;
1398         int fullscreen = mode->fullscreen;
1399         int numdevices;
1400
1401         if (vid_initialized)
1402                 Sys_Error("VID_InitMode called when video is already initialised");
1403
1404         vid_isfullscreen = fullscreen != 0;
1405         if (fullscreen)
1406         {
1407                 WindowStyle = WS_POPUP;
1408                 ExWindowStyle = WS_EX_TOPMOST;
1409         }
1410         else
1411         {
1412                 WindowStyle = WS_OVERLAPPED | WS_BORDER | WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX;
1413                 ExWindowStyle = 0;
1414         }
1415
1416         AdjustWindowBounds(fullscreen, &width, &height, mode, WindowStyle, &rect);
1417
1418         gl_extensions = "";
1419         gl_platformextensions = "";
1420
1421         mainwindow = CreateWindowEx (ExWindowStyle, "DarkPlacesWindowClass", gamename, WindowStyle, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, NULL, NULL, global_hInstance, NULL);
1422         if (!mainwindow)
1423         {
1424                 Con_Printf("CreateWindowEx(%d, %s, %s, %d, %d, %d, %d, %d, %p, %p, %p, %p) failed\n", (int)ExWindowStyle, "DarkPlacesWindowClass", gamename, (int)WindowStyle, (int)(rect.left), (int)(rect.top), (int)(rect.right - rect.left), (int)(rect.bottom - rect.top), (void *)NULL, (void *)NULL, global_hInstance, (void *)NULL);
1425                 VID_Shutdown();
1426                 return false;
1427         }
1428
1429         baseDC = GetDC(mainwindow);
1430
1431         vid_d3d9 = Direct3DCreate9(D3D_SDK_VERSION);
1432         if (!vid_d3d9)
1433                 Sys_Error("VID_InitMode: Direct3DCreate9 failed");
1434
1435         numdevices = IDirect3D9_GetAdapterCount(vid_d3d9);
1436         vid_d3d9dev = NULL;
1437         memset(&d3d9adapteridentifier, 0, sizeof(d3d9adapteridentifier));
1438         for (deviceindex = 0;deviceindex < numdevices && !vid_d3d9dev;deviceindex++)
1439         {
1440                 memset(&vid_d3dpresentparameters, 0, sizeof(vid_d3dpresentparameters));
1441 //              vid_d3dpresentparameters.Flags = D3DPRESENTFLAG_DISCARD_DEPTHSTENCIL;
1442                 vid_d3dpresentparameters.Flags = 0;
1443                 vid_d3dpresentparameters.SwapEffect = D3DSWAPEFFECT_DISCARD;
1444                 vid_d3dpresentparameters.hDeviceWindow = mainwindow;
1445                 vid_d3dpresentparameters.BackBufferWidth = width;
1446                 vid_d3dpresentparameters.BackBufferHeight = height;
1447                 vid_d3dpresentparameters.MultiSampleType = samples > 1 ? (D3DMULTISAMPLE_TYPE)samples : D3DMULTISAMPLE_NONE;
1448                 vid_d3dpresentparameters.BackBufferCount = fullscreen ? (vid_dx9_triplebuffer.integer ? 3 : 2) : 1;
1449                 vid_d3dpresentparameters.FullScreen_RefreshRateInHz = fullscreen ? refreshrate : 0;
1450                 vid_d3dpresentparameters.Windowed = !fullscreen;
1451                 vid_d3dpresentparameters.EnableAutoDepthStencil = true;
1452                 vid_d3dpresentparameters.AutoDepthStencilFormat = bpp > 16 ? D3DFMT_D24S8 : D3DFMT_D16;
1453                 vid_d3dpresentparameters.BackBufferFormat = fullscreen?D3DFMT_X8R8G8B8:D3DFMT_UNKNOWN;
1454                 vid_d3dpresentparameters.PresentationInterval = vid_vsync.integer ? D3DPRESENT_INTERVAL_ONE : D3DPRESENT_INTERVAL_IMMEDIATE;
1455
1456                 memset(&d3d9adapteridentifier, 0, sizeof(d3d9adapteridentifier));
1457                 IDirect3D9_GetAdapterIdentifier(vid_d3d9, deviceindex, 0, &d3d9adapteridentifier);
1458
1459                 IDirect3D9_CreateDevice(vid_d3d9, deviceindex, vid_dx9_hal.integer ? D3DDEVTYPE_HAL : D3DDEVTYPE_REF, mainwindow, vid_dx9_softvertex.integer ? D3DCREATE_SOFTWARE_VERTEXPROCESSING : D3DCREATE_HARDWARE_VERTEXPROCESSING, &vid_d3dpresentparameters, &vid_d3d9dev);
1460         }
1461
1462         if (!vid_d3d9dev)
1463         {
1464                 VID_Shutdown();
1465                 return false;
1466         }
1467
1468         IDirect3DDevice9_GetDeviceCaps(vid_d3d9dev, &vid_d3d9caps);
1469
1470         Con_Printf("Using D3D9 device: %s\n", d3d9adapteridentifier.Description);
1471         gl_extensions = "";
1472         gl_platform = "D3D9";
1473         gl_platformextensions = "";
1474
1475         ShowWindow (mainwindow, SW_SHOWDEFAULT);
1476         UpdateWindow (mainwindow);
1477
1478         // now we try to make sure we get the focus on the mode switch, because
1479         // sometimes in some systems we don't.  We grab the foreground, then
1480         // finish setting up, pump all our messages, and sleep for a little while
1481         // to let messages finish bouncing around the system, then we put
1482         // ourselves at the top of the z order, then grab the foreground again,
1483         // Who knows if it helps, but it probably doesn't hurt
1484         SetForegroundWindow (mainwindow);
1485
1486         while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
1487         {
1488                 TranslateMessage (&msg);
1489                 DispatchMessage (&msg);
1490         }
1491
1492         Sleep (100);
1493
1494         SetWindowPos (mainwindow, HWND_TOP, 0, 0, 0, 0, SWP_DRAWFRAME | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW | SWP_NOCOPYBITS);
1495
1496         SetForegroundWindow (mainwindow);
1497
1498         // fix the leftover Alt from any Alt-Tab or the like that switched us away
1499         ClearAllStates ();
1500
1501         gl_renderer = d3d9adapteridentifier.Description;
1502         gl_vendor = d3d9adapteridentifier.Driver;
1503         gl_version = "";
1504         gl_extensions = "";
1505
1506         Con_Printf("D3D9 adapter info:\n");
1507         Con_Printf("Description: %s\n", d3d9adapteridentifier.Description);
1508         Con_Printf("DeviceId: %x\n", (unsigned int)d3d9adapteridentifier.DeviceId);
1509         Con_Printf("DeviceName: %p\n", d3d9adapteridentifier.DeviceName);
1510         Con_Printf("Driver: %s\n", d3d9adapteridentifier.Driver);
1511         Con_Printf("DriverVersion: %08x%08x\n", (unsigned int)d3d9adapteridentifier.DriverVersion.u.HighPart, (unsigned int)d3d9adapteridentifier.DriverVersion.u.LowPart);
1512         Con_DPrintf("GL_EXTENSIONS: %s\n", gl_extensions);
1513         Con_DPrintf("%s_EXTENSIONS: %s\n", gl_platform, gl_platformextensions);
1514
1515         // clear the extension flags
1516         memset(&vid.support, 0, sizeof(vid.support));
1517         Cvar_SetQuick(&gl_info_extensions, "");
1518
1519         // D3D9 requires BGRA
1520         vid.forcetextype = TEXTYPE_BGRA;
1521
1522         vid.forcevbo = false;
1523         vid.support.arb_depth_texture = true;
1524         vid.support.arb_draw_buffers = vid_d3d9caps.NumSimultaneousRTs > 1;
1525         vid.support.arb_occlusion_query = true; // can't find a cap for this
1526         vid.support.arb_query_buffer_object = true;
1527         vid.support.arb_shadow = true;
1528         vid.support.arb_texture_compression = true;
1529         vid.support.arb_texture_cube_map = true;
1530         vid.support.arb_texture_non_power_of_two = (vid_d3d9caps.TextureCaps & D3DPTEXTURECAPS_POW2) == 0;
1531         vid.support.arb_vertex_buffer_object = true;
1532         vid.support.ext_blend_subtract = true;
1533         vid.support.ext_draw_range_elements = true;
1534         vid.support.ext_framebuffer_object = true;
1535
1536         vid.support.ext_texture_3d = true;
1537         vid.support.ext_texture_compression_s3tc = true;
1538         vid.support.ext_texture_filter_anisotropic = true;
1539         vid.support.ati_separate_stencil = (vid_d3d9caps.StencilCaps & D3DSTENCILCAPS_TWOSIDED) != 0;
1540         vid.support.ext_texture_srgb = false; // FIXME use D3DSAMP_SRGBTEXTURE if CheckDeviceFormat agrees
1541
1542         vid.maxtexturesize_2d = min(vid_d3d9caps.MaxTextureWidth, vid_d3d9caps.MaxTextureHeight);
1543         vid.maxtexturesize_3d = vid_d3d9caps.MaxVolumeExtent;
1544         vid.maxtexturesize_cubemap = vid.maxtexturesize_2d;
1545         vid.texunits = 4;
1546         vid.teximageunits = vid_d3d9caps.MaxSimultaneousTextures;
1547         vid.texarrayunits = 8; // can't find a caps field for this?
1548         vid.max_anisotropy = vid_d3d9caps.MaxAnisotropy;
1549         vid.maxdrawbuffers = vid_d3d9caps.NumSimultaneousRTs;
1550
1551         vid.texunits = bound(4, vid.texunits, MAX_TEXTUREUNITS);
1552         vid.teximageunits = bound(16, vid.teximageunits, MAX_TEXTUREUNITS);
1553         vid.texarrayunits = bound(8, vid.texarrayunits, MAX_TEXTUREUNITS);
1554         Con_DPrintf("Using D3D9.0 rendering path - %i texture matrix, %i texture images, %i texcoords, shadowmapping supported%s\n", vid.texunits, vid.teximageunits, vid.texarrayunits, vid.maxdrawbuffers > 1 ? ", MRT detected (allows prepass deferred lighting)" : "");
1555         vid.renderpath = RENDERPATH_D3D9;
1556         vid.sRGBcapable2D = false;
1557         vid.sRGBcapable3D = true;
1558         vid.useinterleavedarrays = true;
1559
1560         Cvar_SetQuick(&gl_info_vendor, gl_vendor);
1561         Cvar_SetQuick(&gl_info_renderer, gl_renderer);
1562         Cvar_SetQuick(&gl_info_version, gl_version);
1563         Cvar_SetQuick(&gl_info_platform, gl_platform ? gl_platform : "");
1564         Cvar_SetQuick(&gl_info_driver, gl_driver);
1565
1566         // LordHavoc: report supported extensions
1567         Con_DPrintf("\nQuakeC extensions for server and client: %s\nQuakeC extensions for menu: %s\n", vm_sv_extensions, vm_m_extensions );
1568
1569         // clear to black (loading plaque will be seen over this)
1570         IDirect3DDevice9_Clear(vid_d3d9dev, 0, NULL, D3DCLEAR_TARGET, D3DCOLOR_XRGB(0, 0, 0), 1.0f, 0);
1571         IDirect3DDevice9_BeginScene(vid_d3d9dev);
1572         IDirect3DDevice9_EndScene(vid_d3d9dev);
1573         IDirect3DDevice9_Present(vid_d3d9dev, NULL, NULL, NULL, NULL);
1574         // because the only time we end/begin scene is in VID_Finish, we'd better start a scene now...
1575         IDirect3DDevice9_BeginScene(vid_d3d9dev);
1576         vid_begunscene = true;
1577
1578         //vid_menudrawfn = VID_MenuDraw;
1579         //vid_menukeyfn = VID_MenuKey;
1580         vid_usingmouse = false;
1581         vid_usinghidecursor = false;
1582         vid_usingvsync = false;
1583         vid_hidden = vid_reallyhidden = false;
1584         vid_initialized = true;
1585
1586         IN_StartupMouse ();
1587
1588         return true;
1589 }
1590 #endif
1591
1592 qboolean VID_InitModeSOFT(viddef_mode_t *mode)
1593 {
1594         int i;
1595         HDC hdc;
1596         RECT rect;
1597         MSG msg;
1598         int pixelformat, newpixelformat;
1599         DWORD WindowStyle, ExWindowStyle;
1600         int depth;
1601         DEVMODE thismode;
1602         qboolean foundmode, foundgoodmode;
1603         int bpp = mode->bitsperpixel;
1604         int width = mode->width;
1605         int height = mode->height;
1606         int refreshrate = (int)floor(mode->refreshrate+0.5);
1607         int fullscreen = mode->fullscreen;
1608
1609         if (vid_initialized)
1610                 Sys_Error("VID_InitMode called when video is already initialised");
1611
1612         memset(&gdevmode, 0, sizeof(gdevmode));
1613
1614         vid_isfullscreen = false;
1615         if (fullscreen)
1616         {
1617                 if(vid_forcerefreshrate.integer)
1618                 {
1619                         foundmode = true;
1620                         gdevmode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
1621                         gdevmode.dmBitsPerPel = bpp;
1622                         gdevmode.dmPelsWidth = width;
1623                         gdevmode.dmPelsHeight = height;
1624                         gdevmode.dmSize = sizeof (gdevmode);
1625                         if(refreshrate)
1626                         {
1627                                 gdevmode.dmFields |= DM_DISPLAYFREQUENCY;
1628                                 gdevmode.dmDisplayFrequency = refreshrate;
1629                         }
1630                 }
1631                 else
1632                 {
1633                         if(refreshrate == 0)
1634                                 refreshrate = initialdevmode.dmDisplayFrequency; // default vid_refreshrate to the rate of the desktop
1635
1636                         foundmode = false;
1637                         foundgoodmode = false;
1638
1639                         thismode.dmSize = sizeof(thismode);
1640                         thismode.dmDriverExtra = 0;
1641                         for(i = 0; EnumDisplaySettings(NULL, i, &thismode); ++i)
1642                         {
1643                                 if(~thismode.dmFields & (DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT | DM_DISPLAYFREQUENCY))
1644                                 {
1645                                         Con_DPrintf("enumerating modes yielded a bogus item... please debug this\n");
1646                                         continue;
1647                                 }
1648                                 if(developer_extra.integer)
1649                                         Con_DPrintf("Found mode %dx%dx%dbpp %dHz... ", (int)thismode.dmPelsWidth, (int)thismode.dmPelsHeight, (int)thismode.dmBitsPerPel, (int)thismode.dmDisplayFrequency);
1650                                 if(thismode.dmBitsPerPel != (DWORD)bpp)
1651                                 {
1652                                         if(developer_extra.integer)
1653                                                 Con_DPrintf("wrong bpp\n");
1654                                         continue;
1655                                 }
1656                                 if(thismode.dmPelsWidth != (DWORD)width)
1657                                 {
1658                                         if(developer_extra.integer)
1659                                                 Con_DPrintf("wrong width\n");
1660                                         continue;
1661                                 }
1662                                 if(thismode.dmPelsHeight != (DWORD)height)
1663                                 {
1664                                         if(developer_extra.integer)
1665                                                 Con_DPrintf("wrong height\n");
1666                                         continue;
1667                                 }
1668
1669                                 if(foundgoodmode)
1670                                 {
1671                                         // if we have a good mode, make sure this mode is better than the previous one, and allowed by the refreshrate
1672                                         if(thismode.dmDisplayFrequency > (DWORD)refreshrate)
1673                                         {
1674                                                 if(developer_extra.integer)
1675                                                         Con_DPrintf("too high refresh rate\n");
1676                                                 continue;
1677                                         }
1678                                         else if(thismode.dmDisplayFrequency <= gdevmode.dmDisplayFrequency)
1679                                         {
1680                                                 if(developer_extra.integer)
1681                                                         Con_DPrintf("doesn't beat previous best match (too low)\n");
1682                                                 continue;
1683                                         }
1684                                 }
1685                                 else if(foundmode)
1686                                 {
1687                                         // we do have one, but it isn't good... make sure it has a lower frequency than the previous one
1688                                         if(thismode.dmDisplayFrequency >= gdevmode.dmDisplayFrequency)
1689                                         {
1690                                                 if(developer_extra.integer)
1691                                                         Con_DPrintf("doesn't beat previous best match (too high)\n");
1692                                                 continue;
1693                                         }
1694                                 }
1695                                 // otherwise, take anything
1696
1697                                 memcpy(&gdevmode, &thismode, sizeof(gdevmode));
1698                                 if(thismode.dmDisplayFrequency <= (DWORD)refreshrate)
1699                                         foundgoodmode = true;
1700                                 else
1701                                 {
1702                                         if(developer_extra.integer)
1703                                                 Con_DPrintf("(out of range)\n");
1704                                 }
1705                                 foundmode = true;
1706                                 if(developer_extra.integer)
1707                                         Con_DPrintf("accepted\n");
1708                         }
1709                 }
1710
1711                 if (!foundmode)
1712                 {
1713                         VID_Shutdown();
1714                         Con_Printf("Unable to find the requested mode %dx%dx%dbpp\n", width, height, bpp);
1715                         return false;
1716                 }
1717                 else if(ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN) != DISP_CHANGE_SUCCESSFUL)
1718                 {
1719                         VID_Shutdown();
1720                         Con_Printf("Unable to change to requested mode %dx%dx%dbpp\n", width, height, bpp);
1721                         return false;
1722                 }
1723
1724                 vid_isfullscreen = true;
1725                 WindowStyle = WS_POPUP;
1726                 ExWindowStyle = WS_EX_TOPMOST;
1727         }
1728         else
1729         {
1730                 hdc = GetDC (NULL);
1731                 i = GetDeviceCaps(hdc, RASTERCAPS);
1732                 depth = GetDeviceCaps(hdc, PLANES) * GetDeviceCaps(hdc, BITSPIXEL);
1733                 ReleaseDC (NULL, hdc);
1734                 if (i & RC_PALETTE)
1735                 {
1736                         VID_Shutdown();
1737                         Con_Print("Can't run in non-RGB mode\n");
1738                         return false;
1739                 }
1740                 if (bpp > depth)
1741                 {
1742                         VID_Shutdown();
1743                         Con_Print("A higher desktop depth is required to run this video mode\n");
1744                         return false;
1745                 }
1746
1747                 WindowStyle = WS_OVERLAPPED | WS_BORDER | WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX;
1748                 ExWindowStyle = 0;
1749         }
1750
1751         AdjustWindowBounds(fullscreen, &width, &height, mode, WindowStyle, &rect);
1752
1753         pixelformat = 0;
1754         newpixelformat = 0;
1755         gl_extensions = "";
1756         gl_platformextensions = "";
1757
1758         mainwindow = CreateWindowEx (ExWindowStyle, "DarkPlacesWindowClass", gamename, WindowStyle, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, NULL, NULL, global_hInstance, NULL);
1759         if (!mainwindow)
1760         {
1761                 Con_Printf("CreateWindowEx(%d, %s, %s, %d, %d, %d, %d, %d, %p, %p, %p, %p) failed\n", (int)ExWindowStyle, "DarkPlacesWindowClass", gamename, (int)WindowStyle, (int)(rect.left), (int)(rect.top), (int)(rect.right - rect.left), (int)(rect.bottom - rect.top), (void *)NULL, (void *)NULL, (void *)global_hInstance, (void *)NULL);
1762                 VID_Shutdown();
1763                 return false;
1764         }
1765
1766         baseDC = GetDC(mainwindow);
1767         vid.softpixels = NULL;
1768         memset(&vid_softbmi, 0, sizeof(vid_softbmi));
1769         vid_softbmi.bmiHeader.biSize = sizeof(vid_softbmi.bmiHeader);
1770         vid_softbmi.bmiHeader.biWidth = width;
1771         vid_softbmi.bmiHeader.biHeight = -height; // negative to make a top-down bitmap
1772         vid_softbmi.bmiHeader.biPlanes = 1;
1773         vid_softbmi.bmiHeader.biBitCount = 32;
1774         vid_softbmi.bmiHeader.biCompression = BI_RGB;
1775         vid_softbmi.bmiHeader.biSizeImage = width*height*4;
1776         vid_softbmi.bmiHeader.biClrUsed = 256;
1777         vid_softbmi.bmiHeader.biClrImportant = 256;
1778         vid_softdibhandle = CreateDIBSection(baseDC, &vid_softbmi, DIB_RGB_COLORS, (void **)&vid.softpixels, NULL, 0);
1779         if (!vid_softdibhandle)
1780         {
1781                 Con_Printf("CreateDIBSection failed\n");
1782                 VID_Shutdown();
1783                 return false;
1784         }
1785
1786         vid_softhdc = CreateCompatibleDC(baseDC);
1787         vid_softhdc_backup = SelectObject(vid_softhdc, vid_softdibhandle);
1788         if (!vid_softhdc_backup)
1789         {
1790                 Con_Printf("SelectObject failed\n");
1791                 VID_Shutdown();
1792                 return false;
1793         }
1794 //      ReleaseDC(mainwindow, baseDC);
1795 //      baseDC = NULL;
1796
1797         vid.softdepthpixels = (unsigned int *)calloc(1, mode->width * mode->height * 4);
1798         if (DPSOFTRAST_Init(mode->width, mode->height, vid_soft_threads.integer, vid_soft_interlace.integer, (unsigned int *)vid.softpixels, (unsigned int *)vid.softdepthpixels) < 0)
1799         {
1800                 Con_Printf("Failed to initialize software rasterizer\n");
1801                 VID_Shutdown();
1802                 return false;
1803         }
1804
1805         VID_Soft_SharedSetup();
1806
1807         ShowWindow (mainwindow, SW_SHOWDEFAULT);
1808         UpdateWindow (mainwindow);
1809
1810         // now we try to make sure we get the focus on the mode switch, because
1811         // sometimes in some systems we don't.  We grab the foreground, then
1812         // finish setting up, pump all our messages, and sleep for a little while
1813         // to let messages finish bouncing around the system, then we put
1814         // ourselves at the top of the z order, then grab the foreground again,
1815         // Who knows if it helps, but it probably doesn't hurt
1816         SetForegroundWindow (mainwindow);
1817
1818         while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
1819         {
1820                 TranslateMessage (&msg);
1821                 DispatchMessage (&msg);
1822         }
1823
1824         Sleep (100);
1825
1826         SetWindowPos (mainwindow, HWND_TOP, 0, 0, 0, 0, SWP_DRAWFRAME | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW | SWP_NOCOPYBITS);
1827
1828         SetForegroundWindow (mainwindow);
1829
1830         // fix the leftover Alt from any Alt-Tab or the like that switched us away
1831         ClearAllStates ();
1832
1833         //vid_menudrawfn = VID_MenuDraw;
1834         //vid_menukeyfn = VID_MenuKey;
1835         vid_usingmouse = false;
1836         vid_usinghidecursor = false;
1837         vid_usingvsync = false;
1838         vid_reallyhidden = vid_hidden = false;
1839         vid_initialized = true;
1840
1841         IN_StartupMouse ();
1842
1843         return true;
1844 }
1845
1846 qboolean VID_InitMode(viddef_mode_t *mode)
1847 {
1848 #ifdef SSE_POSSIBLE
1849         if (vid_soft.integer)
1850                 return VID_InitModeSOFT(mode);
1851 #endif
1852 #ifdef SUPPORTD3D
1853 //      if (vid_dx11.integer)
1854 //              return VID_InitModeDX(mode, 11);
1855 //      if (vid_dx10.integer)
1856 //              return VID_InitModeDX(mode, 10);
1857         if (vid_dx9.integer)
1858                 return VID_InitModeDX(mode, 9);
1859 #endif
1860         return VID_InitModeGL(mode);
1861 }
1862
1863
1864 static void IN_Shutdown(void);
1865 void VID_Shutdown (void)
1866 {
1867         qboolean isgl;
1868         if(vid_initialized == false)
1869                 return;
1870
1871         VID_EnableJoystick(false);
1872         VID_SetMouse(false, false, false);
1873         VID_RestoreSystemGamma();
1874
1875         vid_initialized = false;
1876         isgl = gldll != NULL;
1877         IN_Shutdown();
1878         gl_driver[0] = 0;
1879         gl_extensions = "";
1880         gl_platform = "";
1881         gl_platformextensions = "";
1882         if (vid_softhdc)
1883         {
1884                 SelectObject(vid_softhdc, vid_softhdc_backup);
1885                 ReleaseDC(mainwindow, vid_softhdc);
1886         }
1887         vid_softhdc = NULL;
1888         vid_softhdc_backup = NULL;
1889         if (vid_softdibhandle)
1890                 DeleteObject(vid_softdibhandle);
1891         vid_softdibhandle = NULL;
1892         vid.softpixels = NULL;
1893         if (vid.softdepthpixels)
1894                 free(vid.softdepthpixels);
1895         vid.softdepthpixels = NULL;
1896 #ifdef SUPPORTD3D
1897         if (vid_d3d9dev)
1898         {
1899                 if (vid_begunscene)
1900                         IDirect3DDevice9_EndScene(vid_d3d9dev);
1901                 vid_begunscene = false;
1902 //              Cmd_ExecuteString("r_texturestats", src_command, true);
1903 //              Cmd_ExecuteString("memlist", src_command, true);
1904                 IDirect3DDevice9_Release(vid_d3d9dev);
1905         }
1906         vid_d3d9dev = NULL;
1907         if (vid_d3d9)
1908                 IDirect3D9_Release(vid_d3d9);
1909         vid_d3d9 = NULL;
1910 #endif
1911         if (qwglMakeCurrent)
1912                 qwglMakeCurrent(NULL, NULL);
1913         qwglMakeCurrent = NULL;
1914         if (baseRC && qwglDeleteContext)
1915                 qwglDeleteContext(baseRC);
1916         qwglDeleteContext = NULL;
1917         // close the library before we get rid of the window
1918         GL_CloseLibrary();
1919         if (baseDC && mainwindow)
1920                 ReleaseDC(mainwindow, baseDC);
1921         baseDC = NULL;
1922         AppActivate(false, false);
1923         if (mainwindow)
1924                 DestroyWindow(mainwindow);
1925         mainwindow = 0;
1926         if (vid_isfullscreen && isgl)
1927                 ChangeDisplaySettings (NULL, CDS_FULLSCREEN);
1928         vid_isfullscreen = false;
1929 }
1930
1931 void VID_SetMouse(qboolean fullscreengrab, qboolean relative, qboolean hidecursor)
1932 {
1933         static qboolean restore_spi;
1934         static int originalmouseparms[3];
1935
1936         if (!mouseinitialized)
1937                 return;
1938
1939         if (relative)
1940         {
1941                 if (!vid_usingmouse)
1942                 {
1943                         vid_usingmouse = true;
1944                         cl_ignoremousemoves = 2;
1945 #ifdef SUPPORTDIRECTX
1946                         if (dinput && g_pMouse)
1947                         {
1948                                 IDirectInputDevice_Acquire(g_pMouse);
1949                                 dinput_acquired = true;
1950                         }
1951                         else
1952 #endif
1953                         {
1954                                 RECT window_rect;
1955                                 window_rect.left = window_x;
1956                                 window_rect.top = window_y;
1957                                 window_rect.right = window_x + vid.width;
1958                                 window_rect.bottom = window_y + vid.height;
1959
1960                                 // change mouse settings to turn off acceleration
1961 // COMMANDLINEOPTION: Windows GDI Input: -noforcemparms disables setting of mouse parameters (not used with -dinput, windows only)
1962                                 if (!COM_CheckParm ("-noforcemparms") && SystemParametersInfo (SPI_GETMOUSE, 0, originalmouseparms, 0))
1963                                 {
1964                                         int newmouseparms[3];
1965                                         newmouseparms[0] = 0; // threshold to double movement (only if accel level is >= 1)
1966                                         newmouseparms[1] = 0; // threshold to quadruple movement (only if accel level is >= 2)
1967                                         newmouseparms[2] = 0; // maximum level of acceleration (0 = off)
1968                                         restore_spi = SystemParametersInfo (SPI_SETMOUSE, 0, newmouseparms, 0) != FALSE;
1969                                 }
1970                                 else
1971                                         restore_spi = false;
1972                                 SetCursorPos ((window_x + vid.width / 2), (window_y + vid.height / 2));
1973
1974                                 SetCapture (mainwindow);
1975                                 ClipCursor (&window_rect);
1976                         }
1977                 }
1978         }
1979         else
1980         {
1981                 if (vid_usingmouse)
1982                 {
1983                         vid_usingmouse = false;
1984                         cl_ignoremousemoves = 2;
1985 #ifdef SUPPORTDIRECTX
1986                         if (dinput_acquired)
1987                         {
1988                                 IDirectInputDevice_Unacquire(g_pMouse);
1989                                 dinput_acquired = false;
1990                         }
1991                         else
1992 #endif
1993                         {
1994                                 // restore system mouseparms if we changed them
1995                                 if (restore_spi)
1996                                         SystemParametersInfo (SPI_SETMOUSE, 0, originalmouseparms, 0);
1997                                 restore_spi = false;
1998                                 ClipCursor (NULL);
1999                                 ReleaseCapture ();
2000                         }
2001                 }
2002         }
2003
2004         if (vid_usinghidecursor != hidecursor)
2005         {
2006                 vid_usinghidecursor = hidecursor;
2007                 ShowCursor (!hidecursor);
2008         }
2009 }
2010
2011 void VID_BuildJoyState(vid_joystate_t *joystate)
2012 {
2013         VID_Shared_BuildJoyState_Begin(joystate);
2014         VID_Shared_BuildJoyState_Finish(joystate);
2015 }
2016
2017 void VID_EnableJoystick(qboolean enable)
2018 {
2019         int index = joy_enable.integer > 0 ? joy_index.integer : -1;
2020         qboolean success = false;
2021         int sharedcount = 0;
2022         sharedcount = VID_Shared_SetJoystick(index);
2023         if (index >= 0 && index < sharedcount)
2024                 success = true;
2025
2026         // update cvar containing count of XInput joysticks
2027         if (joy_detected.integer != sharedcount)
2028                 Cvar_SetValueQuick(&joy_detected, sharedcount);
2029
2030         if (joy_active.integer != (success ? 1 : 0))
2031                 Cvar_SetValueQuick(&joy_active, success ? 1 : 0);
2032 }
2033
2034 #ifdef SUPPORTDIRECTX
2035 /*
2036 ===========
2037 IN_InitDInput
2038 ===========
2039 */
2040 static qboolean IN_InitDInput (void)
2041 {
2042     HRESULT             hr;
2043         DIPROPDWORD     dipdw = {
2044                 {
2045                         sizeof(DIPROPDWORD),        // diph.dwSize
2046                         sizeof(DIPROPHEADER),       // diph.dwHeaderSize
2047                         0,                          // diph.dwObj
2048                         DIPH_DEVICE,                // diph.dwHow
2049                 },
2050                 DINPUT_BUFFERSIZE,              // dwData
2051         };
2052
2053         if (!hInstDI)
2054         {
2055                 hInstDI = LoadLibrary("dinput.dll");
2056
2057                 if (hInstDI == NULL)
2058                 {
2059                         Con_Print("Couldn't load dinput.dll\n");
2060                         return false;
2061                 }
2062         }
2063
2064         if (!pDirectInputCreate)
2065         {
2066                 pDirectInputCreate = (HRESULT (__stdcall *)(HINSTANCE,DWORD,LPDIRECTINPUT *,LPUNKNOWN))GetProcAddress(hInstDI,"DirectInputCreateA");
2067
2068                 if (!pDirectInputCreate)
2069                 {
2070                         Con_Print("Couldn't get DI proc addr\n");
2071                         return false;
2072                 }
2073         }
2074
2075 // register with DirectInput and get an IDirectInput to play with.
2076         hr = iDirectInputCreate(global_hInstance, DIRECTINPUT_VERSION, &g_pdi, NULL);
2077
2078         if (FAILED(hr))
2079         {
2080                 return false;
2081         }
2082
2083 // obtain an interface to the system mouse device.
2084 #ifdef __cplusplus
2085         hr = IDirectInput_CreateDevice(g_pdi, GUID_SysMouse, &g_pMouse, NULL);
2086 #else
2087         hr = IDirectInput_CreateDevice(g_pdi, &GUID_SysMouse, &g_pMouse, NULL);
2088 #endif
2089
2090         if (FAILED(hr))
2091         {
2092                 Con_Print("Couldn't open DI mouse device\n");
2093                 return false;
2094         }
2095
2096 // set the data format to "mouse format".
2097         hr = IDirectInputDevice_SetDataFormat(g_pMouse, &c_dfDIMouse);
2098
2099         if (FAILED(hr))
2100         {
2101                 Con_Print("Couldn't set DI mouse format\n");
2102                 return false;
2103         }
2104
2105 // set the cooperativity level.
2106         hr = IDirectInputDevice_SetCooperativeLevel(g_pMouse, mainwindow,
2107                         DISCL_EXCLUSIVE | DISCL_FOREGROUND);
2108
2109         if (FAILED(hr))
2110         {
2111                 Con_Print("Couldn't set DI coop level\n");
2112                 return false;
2113         }
2114
2115
2116 // set the buffer size to DINPUT_BUFFERSIZE elements.
2117 // the buffer size is a DWORD property associated with the device
2118         hr = IDirectInputDevice_SetProperty(g_pMouse, DIPROP_BUFFERSIZE, &dipdw.diph);
2119
2120         if (FAILED(hr))
2121         {
2122                 Con_Print("Couldn't set DI buffersize\n");
2123                 return false;
2124         }
2125
2126         return true;
2127 }
2128 #endif
2129
2130
2131 /*
2132 ===========
2133 IN_StartupMouse
2134 ===========
2135 */
2136 static void IN_StartupMouse (void)
2137 {
2138         if (COM_CheckParm ("-nomouse"))
2139                 return;
2140
2141         mouseinitialized = true;
2142
2143 #ifdef SUPPORTDIRECTX
2144 // COMMANDLINEOPTION: Windows Input: -dinput enables DirectInput for mouse input
2145         if (COM_CheckParm ("-dinput"))
2146                 dinput = IN_InitDInput ();
2147
2148         if (dinput)
2149                 Con_Print("DirectInput initialized\n");
2150         else
2151                 Con_Print("DirectInput not initialized\n");
2152 #endif
2153
2154         mouse_buttons = 10;
2155 }
2156
2157
2158 /*
2159 ===========
2160 IN_MouseMove
2161 ===========
2162 */
2163 static void IN_MouseMove (void)
2164 {
2165         POINT current_pos;
2166
2167         GetCursorPos (&current_pos);
2168         in_windowmouse_x = current_pos.x - window_x;
2169         in_windowmouse_y = current_pos.y - window_y;
2170
2171         if (!vid_usingmouse)
2172                 return;
2173
2174 #ifdef SUPPORTDIRECTX
2175         if (dinput_acquired)
2176         {
2177                 int i;
2178                 DIDEVICEOBJECTDATA      od;
2179                 DWORD                           dwElements;
2180                 HRESULT                         hr;
2181
2182                 for (;;)
2183                 {
2184                         dwElements = 1;
2185
2186                         hr = IDirectInputDevice_GetDeviceData(g_pMouse,
2187                                         sizeof(DIDEVICEOBJECTDATA), &od, &dwElements, 0);
2188
2189                         if ((hr == DIERR_INPUTLOST) || (hr == DIERR_NOTACQUIRED))
2190                         {
2191                                 IDirectInputDevice_Acquire(g_pMouse);
2192                                 break;
2193                         }
2194
2195                         /* Unable to read data or no data available */
2196                         if (FAILED(hr) || dwElements == 0)
2197                                 break;
2198
2199                         /* Look at the element to see what happened */
2200
2201                         if ((int)od.dwOfs == DIMOFS_X)
2202                                 in_mouse_x += (LONG) od.dwData;
2203                         if ((int)od.dwOfs == DIMOFS_Y)
2204                                 in_mouse_y += (LONG) od.dwData;
2205                         if ((int)od.dwOfs == DIMOFS_Z)
2206                         {
2207                                 if((LONG)od.dwData < 0)
2208                                 {
2209                                         Key_Event(K_MWHEELDOWN, 0, true);
2210                                         Key_Event(K_MWHEELDOWN, 0, false);
2211                                 }
2212                                 else if((LONG)od.dwData > 0)
2213                                 {
2214                                         Key_Event(K_MWHEELUP, 0, true);
2215                                         Key_Event(K_MWHEELUP, 0, false);
2216                                 }
2217                         }
2218                         if ((int)od.dwOfs == DIMOFS_BUTTON0)
2219                                 mstate_di = (mstate_di & ~1) | ((od.dwData & 0x80) >> 7);
2220                         if ((int)od.dwOfs == DIMOFS_BUTTON1)
2221                                 mstate_di = (mstate_di & ~2) | ((od.dwData & 0x80) >> 6);
2222                         if ((int)od.dwOfs == DIMOFS_BUTTON2)
2223                                 mstate_di = (mstate_di & ~4) | ((od.dwData & 0x80) >> 5);
2224                         if ((int)od.dwOfs == DIMOFS_BUTTON3)
2225                                 mstate_di = (mstate_di & ~8) | ((od.dwData & 0x80) >> 4);
2226                 }
2227
2228                 // perform button actions
2229                 for (i=0 ; i<mouse_buttons && i < 16 ; i++)
2230                         if ((mstate_di ^ mouse_oldbuttonstate) & (1<<i))
2231                                 Key_Event (buttonremap[i], 0, (mstate_di & (1<<i)) != 0);
2232                 mouse_oldbuttonstate = mstate_di;
2233         }
2234         else
2235 #endif
2236         {
2237                 in_mouse_x += in_windowmouse_x - (int)(vid.width / 2);
2238                 in_mouse_y += in_windowmouse_y - (int)(vid.height / 2);
2239
2240                 // if the mouse has moved, force it to the center, so there's room to move
2241                 if (in_mouse_x || in_mouse_y)
2242                         SetCursorPos ((window_x + vid.width / 2), (window_y + vid.height / 2));
2243         }
2244 }
2245
2246
2247 /*
2248 ===========
2249 IN_Move
2250 ===========
2251 */
2252 void IN_Move (void)
2253 {
2254         vid_joystate_t joystate;
2255         if (vid_activewindow && !vid_reallyhidden)
2256                 IN_MouseMove ();
2257         VID_EnableJoystick(true);
2258         VID_BuildJoyState(&joystate);
2259         VID_ApplyJoyState(&joystate);
2260 }
2261
2262
2263 static void IN_Init(void)
2264 {
2265         uiWheelMessage = RegisterWindowMessage ( "MSWHEEL_ROLLMSG" );
2266         Cvar_RegisterVariable (&vid_forcerefreshrate);
2267 }
2268
2269 static void IN_Shutdown(void)
2270 {
2271 #ifdef SUPPORTDIRECTX
2272         if (g_pMouse)
2273                 IDirectInputDevice_Release(g_pMouse);
2274         g_pMouse = NULL;
2275
2276         if (g_pdi)
2277                 IDirectInput_Release(g_pdi);
2278         g_pdi = NULL;
2279 #endif
2280 }
2281
2282 vid_mode_t *VID_GetDesktopMode(void)
2283 {
2284         return &desktop_mode;
2285 }
2286
2287 size_t VID_ListModes(vid_mode_t *modes, size_t maxcount)
2288 {
2289         int i;
2290         size_t k;
2291         DEVMODE thismode;
2292
2293         thismode.dmSize = sizeof(thismode);
2294         thismode.dmDriverExtra = 0;
2295         k = 0;
2296         for(i = 0; EnumDisplaySettings(NULL, i, &thismode); ++i)
2297         {
2298                 if(~thismode.dmFields & (DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT | DM_DISPLAYFREQUENCY))
2299                 {
2300                         Con_DPrintf("enumerating modes yielded a bogus item... please debug this\n");
2301                         continue;
2302                 }
2303                 if(k >= maxcount)
2304                         break;
2305                 modes[k].width = thismode.dmPelsWidth;
2306                 modes[k].height = thismode.dmPelsHeight;
2307                 modes[k].bpp = thismode.dmBitsPerPel;
2308                 modes[k].refreshrate = thismode.dmDisplayFrequency;
2309                 modes[k].pixelheight_num = 1;
2310                 modes[k].pixelheight_denom = 1; // Win32 apparently does not provide this (FIXME)
2311                 ++k;
2312         }
2313         return k;
2314 }