VirtualBox

source: vbox/trunk/src/VBox/Additions/common/crOpenGL/load.c@ 41638

Last change on this file since 41638 was 41638, checked in by vboxsync, 12 years ago

wddm: vsync support fixes + missing commit
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File size: 39.4 KB
Line 
1/* Copyright (c) 2001, Stanford University
2 * All rights reserved
3 *
4 * See the file LICENSE.txt for information on redistributing this software.
5 */
6
7#include "cr_spu.h"
8#include "cr_net.h"
9#include "cr_error.h"
10#include "cr_mem.h"
11#include "cr_string.h"
12#include "cr_net.h"
13#include "cr_environment.h"
14#include "cr_process.h"
15#include "cr_rand.h"
16#include "cr_netserver.h"
17#include "stub.h"
18#include <stdlib.h>
19#include <string.h>
20#include <signal.h>
21#include <iprt/initterm.h>
22#include <iprt/thread.h>
23#include <iprt/err.h>
24#include <iprt/asm.h>
25#ifndef WINDOWS
26# include <sys/types.h>
27# include <unistd.h>
28#endif
29
30#ifdef VBOX_WITH_WDDM
31#include <d3d9types.h>
32#include <D3dumddi.h>
33#include "../../WINNT/Graphics/Video/common/wddm/VBoxMPIf.h"
34#include "../../WINNT/Graphics/Video/disp/wddm/VBoxDispMp.h"
35#endif
36
37/**
38 * If you change this, see the comments in tilesortspu_context.c
39 */
40#define MAGIC_CONTEXT_BASE 500
41
42#define CONFIG_LOOKUP_FILE ".crconfigs"
43
44#ifdef WINDOWS
45#define PYTHON_EXE "python.exe"
46#else
47#define PYTHON_EXE "python"
48#endif
49
50#ifdef WINDOWS
51static char* gsViewportHackApps[] = {"googleearth.exe", NULL};
52#endif
53
54static bool stub_initialized = 0;
55#ifdef WINDOWS
56static CRmutex stub_init_mutex;
57#define STUB_INIT_LOCK() do { crLockMutex(&stub_init_mutex); } while (0)
58#define STUB_INIT_UNLOCK() do { crUnlockMutex(&stub_init_mutex); } while (0)
59#else
60#define STUB_INIT_LOCK() do { } while (0)
61#define STUB_INIT_UNLOCK() do { } while (0)
62#endif
63
64/* NOTE: 'SPUDispatchTable glim' is declared in NULLfuncs.py now */
65/* NOTE: 'SPUDispatchTable stubThreadsafeDispatch' is declared in tsfuncs.c */
66Stub stub;
67#ifdef CHROMIUM_THREADSAFE
68static bool g_stubIsCurrentContextTSDInited;
69CRtsd g_stubCurrentContextTSD;
70#endif
71
72
73static void stubInitNativeDispatch( void )
74{
75#define MAX_FUNCS 1000
76 SPUNamedFunctionTable gl_funcs[MAX_FUNCS];
77 int numFuncs;
78
79 numFuncs = crLoadOpenGL( &stub.wsInterface, gl_funcs );
80
81 stub.haveNativeOpenGL = (numFuncs > 0);
82
83 /* XXX call this after context binding */
84 numFuncs += crLoadOpenGLExtensions( &stub.wsInterface, gl_funcs + numFuncs );
85
86 CRASSERT(numFuncs < MAX_FUNCS);
87
88 crSPUInitDispatchTable( &stub.nativeDispatch );
89 crSPUInitDispatch( &stub.nativeDispatch, gl_funcs );
90 crSPUInitDispatchNops( &stub.nativeDispatch );
91#undef MAX_FUNCS
92}
93
94
95/** Pointer to the SPU's real glClear and glViewport functions */
96static ClearFunc_t origClear;
97static ViewportFunc_t origViewport;
98static SwapBuffersFunc_t origSwapBuffers;
99static DrawBufferFunc_t origDrawBuffer;
100static ScissorFunc_t origScissor;
101
102static void stubCheckWindowState(WindowInfo *window, GLboolean bFlushOnChange)
103{
104 bool bForceUpdate = false;
105 bool bChanged = false;
106
107#ifdef WINDOWS
108 /* @todo install hook and track for WM_DISPLAYCHANGE */
109 {
110 DEVMODE devMode;
111
112 devMode.dmSize = sizeof(DEVMODE);
113 EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &devMode);
114
115 if (devMode.dmPelsWidth!=window->dmPelsWidth || devMode.dmPelsHeight!=window->dmPelsHeight)
116 {
117 crDebug("Resolution changed(%d,%d), forcing window Pos/Size update", devMode.dmPelsWidth, devMode.dmPelsHeight);
118 window->dmPelsWidth = devMode.dmPelsWidth;
119 window->dmPelsHeight = devMode.dmPelsHeight;
120 bForceUpdate = true;
121 }
122 }
123#endif
124
125 bChanged = stubUpdateWindowGeometry(window, bForceUpdate) || bForceUpdate;
126
127#if defined(GLX) || defined (WINDOWS)
128 if (stub.trackWindowVisibleRgn)
129 {
130 bChanged = stubUpdateWindowVisibileRegions(window) || bChanged;
131 }
132#endif
133
134 if (stub.trackWindowVisibility && window->type == CHROMIUM && window->drawable) {
135 const int mapped = stubIsWindowVisible(window);
136 if (mapped != window->mapped) {
137 crDebug("Dispatched: WindowShow(%i, %i)", window->spuWindow, mapped);
138 stub.spu->dispatch_table.WindowShow(window->spuWindow, mapped);
139 window->mapped = mapped;
140 bChanged = true;
141 }
142 }
143
144 if (bFlushOnChange && bChanged)
145 {
146 stub.spu->dispatch_table.Flush();
147 }
148}
149
150static bool stubSystemWindowExist(WindowInfo *pWindow)
151{
152#ifdef WINDOWS
153 if (pWindow->hWnd!=WindowFromDC(pWindow->drawable))
154 {
155 return false;
156 }
157#else
158 Window root;
159 int x, y;
160 unsigned int border, depth, w, h;
161 Display *dpy;
162
163 dpy = stubGetWindowDisplay(pWindow);
164
165 XLOCK(dpy);
166 if (!XGetGeometry(dpy, pWindow->drawable, &root, &x, &y, &w, &h, &border, &depth))
167 {
168 XUNLOCK(dpy);
169 return false;
170 }
171 XUNLOCK(dpy);
172#endif
173
174 return true;
175}
176
177static void stubCheckWindowsCB(unsigned long key, void *data1, void *data2)
178{
179 WindowInfo *pWindow = (WindowInfo *) data1;
180 ContextInfo *pCtx = (ContextInfo *) data2;
181
182 if (pWindow == pCtx->currentDrawable
183 || pWindow->type!=CHROMIUM
184 || pWindow->pOwner!=pCtx)
185 {
186 return;
187 }
188
189 if (!stubSystemWindowExist(pWindow))
190 {
191#ifdef WINDOWS
192 crWindowDestroy((GLint)pWindow->hWnd);
193#else
194 crWindowDestroy((GLint)pWindow->drawable);
195#endif
196 return;
197 }
198
199 stubCheckWindowState(pWindow, GL_FALSE);
200}
201
202static void stubCheckWindowsState(void)
203{
204 ContextInfo *context = stubGetCurrentContext();
205
206 CRASSERT(stub.trackWindowSize || stub.trackWindowPos);
207
208 if (!context)
209 return;
210
211#if defined(WINDOWS) && defined(VBOX_WITH_WDDM)
212 if (stub.bRunningUnderWDDM)
213 return;
214#endif
215
216#if defined(CR_NEWWINTRACK) && !defined(WINDOWS)
217 crLockMutex(&stub.mutex);
218#endif
219
220 stubCheckWindowState(context->currentDrawable, GL_TRUE);
221 crHashtableWalk(stub.windowTable, stubCheckWindowsCB, context);
222
223#if defined(CR_NEWWINTRACK) && !defined(WINDOWS)
224 crUnlockMutex(&stub.mutex);
225#endif
226}
227
228
229/**
230 * Override the head SPU's glClear function.
231 * We're basically trapping this function so that we can poll the
232 * application window size at a regular interval.
233 */
234static void SPU_APIENTRY trapClear(GLbitfield mask)
235{
236 stubCheckWindowsState();
237 /* call the original SPU glClear function */
238 origClear(mask);
239}
240
241/**
242 * As above, but for glViewport. Most apps call glViewport before
243 * glClear when a window is resized.
244 */
245static void SPU_APIENTRY trapViewport(GLint x, GLint y, GLsizei w, GLsizei h)
246{
247 stubCheckWindowsState();
248 /* call the original SPU glViewport function */
249 if (!stub.viewportHack)
250 {
251 origViewport(x, y, w, h);
252 }
253 else
254 {
255 ContextInfo *context = stubGetCurrentContext();
256 int winX, winY;
257 unsigned int winW, winH;
258 WindowInfo *pWindow;
259 pWindow = context->currentDrawable;
260 stubGetWindowGeometry(pWindow, &winX, &winY, &winW, &winH);
261 origViewport(0, 0, winW, winH);
262 }
263}
264
265static void SPU_APIENTRY trapSwapBuffers(GLint window, GLint flags)
266{
267 stubCheckWindowsState();
268 origSwapBuffers(window, flags);
269}
270
271static void SPU_APIENTRY trapDrawBuffer(GLenum buf)
272{
273 stubCheckWindowsState();
274 origDrawBuffer(buf);
275}
276
277static void SPU_APIENTRY trapScissor(GLint x, GLint y, GLsizei w, GLsizei h)
278{
279 int winX, winY;
280 unsigned int winW, winH;
281 WindowInfo *pWindow;
282 ContextInfo *context = stubGetCurrentContext();
283 pWindow = context->currentDrawable;
284 stubGetWindowGeometry(pWindow, &winX, &winY, &winW, &winH);
285 origScissor(0, 0, winW, winH);
286}
287
288/**
289 * Use the GL function pointers in <spu> to initialize the static glim
290 * dispatch table.
291 */
292static void stubInitSPUDispatch(SPU *spu)
293{
294 crSPUInitDispatchTable( &stub.spuDispatch );
295 crSPUCopyDispatchTable( &stub.spuDispatch, &(spu->dispatch_table) );
296
297 if (stub.trackWindowSize || stub.trackWindowPos || stub.trackWindowVisibleRgn) {
298 /* patch-in special glClear/Viewport function to track window sizing */
299 origClear = stub.spuDispatch.Clear;
300 origViewport = stub.spuDispatch.Viewport;
301 origSwapBuffers = stub.spuDispatch.SwapBuffers;
302 origDrawBuffer = stub.spuDispatch.DrawBuffer;
303 origScissor = stub.spuDispatch.Scissor;
304 stub.spuDispatch.Clear = trapClear;
305 stub.spuDispatch.Viewport = trapViewport;
306
307 if (stub.viewportHack)
308 stub.spuDispatch.Scissor = trapScissor;
309 /*stub.spuDispatch.SwapBuffers = trapSwapBuffers;
310 stub.spuDispatch.DrawBuffer = trapDrawBuffer;*/
311 }
312
313 crSPUCopyDispatchTable( &glim, &stub.spuDispatch );
314}
315
316// Callback function, used to destroy all created contexts
317static void hsWalkStubDestroyContexts(unsigned long key, void *data1, void *data2)
318{
319 stubDestroyContext(key);
320}
321
322/**
323 * This is called when we exit.
324 * We call all the SPU's cleanup functions.
325 */
326static void stubSPUTearDownLocked(void)
327{
328 crDebug("stubSPUTearDownLocked");
329
330#ifdef WINDOWS
331# ifndef CR_NEWWINTRACK
332 stubUninstallWindowMessageHook();
333# endif
334#endif
335
336#ifdef CR_NEWWINTRACK
337 ASMAtomicWriteBool(&stub.bShutdownSyncThread, true);
338#endif
339
340 //delete all created contexts
341 stubMakeCurrent( NULL, NULL);
342
343 /* the lock order is windowTable->contextTable (see wglMakeCurrent_prox, glXMakeCurrent)
344 * this is why we need to take a windowTable lock since we will later do stub.windowTable access & locking */
345 crHashtableLock(stub.windowTable);
346 crHashtableWalk(stub.contextTable, hsWalkStubDestroyContexts, NULL);
347 crHashtableUnlock(stub.windowTable);
348
349 /* shutdown, now trap any calls to a NULL dispatcher */
350 crSPUCopyDispatchTable(&glim, &stubNULLDispatch);
351
352 crSPUUnloadChain(stub.spu);
353 stub.spu = NULL;
354
355#ifndef Linux
356 crUnloadOpenGL();
357#endif
358
359#ifndef WINDOWS
360 crNetTearDown();
361#endif
362
363#ifdef GLX
364 if (stub.xshmSI.shmid>=0)
365 {
366 shmctl(stub.xshmSI.shmid, IPC_RMID, 0);
367 shmdt(stub.xshmSI.shmaddr);
368 }
369 crFreeHashtable(stub.pGLXPixmapsHash, crFree);
370#endif
371
372 crFreeHashtable(stub.windowTable, crFree);
373 crFreeHashtable(stub.contextTable, NULL);
374
375 crMemset(&stub, 0, sizeof(stub));
376
377}
378
379/**
380 * This is called when we exit.
381 * We call all the SPU's cleanup functions.
382 */
383static void stubSPUTearDown(void)
384{
385 STUB_INIT_LOCK();
386 if (stub_initialized)
387 {
388 stubSPUTearDownLocked();
389 stub_initialized = 0;
390 }
391 STUB_INIT_UNLOCK();
392}
393
394static void stubSPUSafeTearDown(void)
395{
396#ifdef CHROMIUM_THREADSAFE
397 CRmutex *mutex;
398#endif
399
400 if (!stub_initialized) return;
401 stub_initialized = 0;
402
403#ifdef CHROMIUM_THREADSAFE
404 mutex = &stub.mutex;
405 crLockMutex(mutex);
406#endif
407 crDebug("stubSPUSafeTearDown");
408
409#ifdef WINDOWS
410# ifndef CR_NEWWINTRACK
411 stubUninstallWindowMessageHook();
412# endif
413#endif
414
415#if defined(CR_NEWWINTRACK)
416 crUnlockMutex(mutex);
417# if defined(WINDOWS)
418 if (RTThreadGetState(stub.hSyncThread)!=RTTHREADSTATE_TERMINATED)
419 {
420 HANDLE hNative;
421 DWORD ec=0;
422
423 hNative = OpenThread(SYNCHRONIZE|THREAD_QUERY_INFORMATION|THREAD_TERMINATE,
424 false, RTThreadGetNative(stub.hSyncThread));
425 if (!hNative)
426 {
427 crWarning("Failed to get handle for sync thread(%#x)", GetLastError());
428 }
429 else
430 {
431 crDebug("Got handle %p for thread %#x", hNative, RTThreadGetNative(stub.hSyncThread));
432 }
433
434 ASMAtomicWriteBool(&stub.bShutdownSyncThread, true);
435
436 if (PostThreadMessage(RTThreadGetNative(stub.hSyncThread), WM_QUIT, 0, 0))
437 {
438 RTThreadWait(stub.hSyncThread, 1000, NULL);
439
440 /*Same issue as on linux, RTThreadWait exits before system thread is terminated, which leads
441 * to issues as our dll goes to be unloaded.
442 *@todo
443 *We usually call this function from DllMain which seems to be holding some lock and thus we have to
444 * kill thread via TerminateThread.
445 */
446 if (WaitForSingleObject(hNative, 100)==WAIT_TIMEOUT)
447 {
448 crDebug("Wait failed, terminating");
449 if (!TerminateThread(hNative, 1))
450 {
451 crDebug("TerminateThread failed");
452 }
453 }
454 if (GetExitCodeThread(hNative, &ec))
455 {
456 crDebug("Thread %p exited with ec=%i", hNative, ec);
457 }
458 else
459 {
460 crDebug("GetExitCodeThread failed(%#x)", GetLastError());
461 }
462 }
463 else
464 {
465 crDebug("Sync thread killed before DLL_PROCESS_DETACH");
466 }
467
468 if (hNative)
469 {
470 CloseHandle(hNative);
471 }
472 }
473#else
474 if (stub.hSyncThread!=NIL_RTTHREAD)
475 {
476 ASMAtomicWriteBool(&stub.bShutdownSyncThread, true);
477 {
478 /*RTThreadWait might return too early, which cause our code being unloaded while RT thread wrapper is still running*/
479 int rc = pthread_join(RTThreadGetNative(stub.hSyncThread), NULL);
480 if (!rc)
481 {
482 crDebug("pthread_join failed %i", rc);
483 }
484 }
485 }
486#endif
487 crLockMutex(mutex);
488#endif
489
490#ifndef WINDOWS
491 crNetTearDown();
492#endif
493
494#ifdef CHROMIUM_THREADSAFE
495 crUnlockMutex(mutex);
496 crFreeMutex(mutex);
497#endif
498 crMemset(&stub, 0, sizeof(stub));
499}
500
501
502static void stubExitHandler(void)
503{
504 stubSPUSafeTearDown();
505}
506
507/**
508 * Called when we receive a SIGTERM signal.
509 */
510static void stubSignalHandler(int signo)
511{
512 stubSPUSafeTearDown();
513 exit(0); /* this causes stubExitHandler() to be called */
514}
515
516#ifndef RT_OS_WINDOWS
517# ifdef CHROMIUM_THREADSAFE
518static DECLCALLBACK(void) stubThreadTlsDtor(void *pvValue)
519{
520 ContextInfo *pCtx = (ContextInfo*)pvValue;
521 VBoxTlsRefRelease(pCtx);
522}
523# endif
524#endif
525
526
527/**
528 * Init variables in the stub structure, install signal handler.
529 */
530static void stubInitVars(void)
531{
532 WindowInfo *defaultWin;
533
534#ifdef CHROMIUM_THREADSAFE
535 crInitMutex(&stub.mutex);
536#endif
537
538 /* At the very least we want CR_RGB_BIT. */
539 stub.haveNativeOpenGL = GL_FALSE;
540 stub.spu = NULL;
541 stub.appDrawCursor = 0;
542 stub.minChromiumWindowWidth = 0;
543 stub.minChromiumWindowHeight = 0;
544 stub.maxChromiumWindowWidth = 0;
545 stub.maxChromiumWindowHeight = 0;
546 stub.matchChromiumWindowCount = 0;
547 stub.matchChromiumWindowID = NULL;
548 stub.matchWindowTitle = NULL;
549 stub.ignoreFreeglutMenus = 0;
550 stub.threadSafe = GL_FALSE;
551 stub.trackWindowSize = 0;
552 stub.trackWindowPos = 0;
553 stub.trackWindowVisibility = 0;
554 stub.trackWindowVisibleRgn = 0;
555 stub.mothershipPID = 0;
556 stub.spu_dir = NULL;
557
558 stub.freeContextNumber = MAGIC_CONTEXT_BASE;
559 stub.contextTable = crAllocHashtable();
560#ifndef RT_OS_WINDOWS
561# ifdef CHROMIUM_THREADSAFE
562 if (!g_stubIsCurrentContextTSDInited)
563 {
564 crInitTSDF(&g_stubCurrentContextTSD, stubThreadTlsDtor);
565 g_stubIsCurrentContextTSDInited = true;
566 }
567# endif
568#endif
569 stubSetCurrentContext(NULL);
570
571 stub.windowTable = crAllocHashtable();
572
573#ifdef CR_NEWWINTRACK
574 stub.bShutdownSyncThread = false;
575 stub.hSyncThread = NIL_RTTHREAD;
576#endif
577
578 defaultWin = (WindowInfo *) crCalloc(sizeof(WindowInfo));
579 defaultWin->type = CHROMIUM;
580 defaultWin->spuWindow = 0; /* window 0 always exists */
581#ifdef WINDOWS
582 defaultWin->hVisibleRegion = INVALID_HANDLE_VALUE;
583#elif defined(GLX)
584 defaultWin->pVisibleRegions = NULL;
585 defaultWin->cVisibleRegions = 0;
586#endif
587 crHashtableAdd(stub.windowTable, 0, defaultWin);
588
589#if 1
590 atexit(stubExitHandler);
591 signal(SIGTERM, stubSignalHandler);
592 signal(SIGINT, stubSignalHandler);
593#ifndef WINDOWS
594 signal(SIGPIPE, SIG_IGN); /* the networking code should catch this */
595#endif
596#else
597 (void) stubExitHandler;
598 (void) stubSignalHandler;
599#endif
600}
601
602
603/**
604 * Return a free port number for the mothership to use, or -1 if we
605 * can't find one.
606 */
607static int
608GenerateMothershipPort(void)
609{
610 const int MAX_PORT = 10100;
611 unsigned short port;
612
613 /* generate initial port number randomly */
614 crRandAutoSeed();
615 port = (unsigned short) crRandInt(10001, MAX_PORT);
616
617#ifdef WINDOWS
618 /* XXX should implement a free port check here */
619 return port;
620#else
621 /*
622 * See if this port number really is free, try another if needed.
623 */
624 {
625 struct sockaddr_in servaddr;
626 int so_reuseaddr = 1;
627 int sock, k;
628
629 /* create socket */
630 sock = socket(AF_INET, SOCK_STREAM, 0);
631 CRASSERT(sock > 2);
632
633 /* deallocate socket/port when we exit */
634 k = setsockopt(sock, SOL_SOCKET, SO_REUSEADDR,
635 (char *) &so_reuseaddr, sizeof(so_reuseaddr));
636 CRASSERT(k == 0);
637
638 /* initialize the servaddr struct */
639 crMemset(&servaddr, 0, sizeof(servaddr) );
640 servaddr.sin_family = AF_INET;
641 servaddr.sin_addr.s_addr = htonl(INADDR_ANY);
642
643 while (port < MAX_PORT) {
644 /* Bind to the given port number, return -1 if we fail */
645 servaddr.sin_port = htons((unsigned short) port);
646 k = bind(sock, (struct sockaddr *) &servaddr, sizeof(servaddr));
647 if (k) {
648 /* failed to create port. try next one. */
649 port++;
650 }
651 else {
652 /* free the socket/port now so mothership can make it */
653 close(sock);
654 return port;
655 }
656 }
657 }
658#endif /* WINDOWS */
659 return -1;
660}
661
662
663/**
664 * Try to determine which mothership configuration to use for this program.
665 */
666static char **
667LookupMothershipConfig(const char *procName)
668{
669 const int procNameLen = crStrlen(procName);
670 FILE *f;
671 const char *home;
672 char configPath[1000];
673
674 /* first, check if the CR_CONFIG env var is set */
675 {
676 const char *conf = crGetenv("CR_CONFIG");
677 if (conf && crStrlen(conf) > 0)
678 return crStrSplit(conf, " ");
679 }
680
681 /* second, look up config name from config file */
682 home = crGetenv("HOME");
683 if (home)
684 sprintf(configPath, "%s/%s", home, CONFIG_LOOKUP_FILE);
685 else
686 crStrcpy(configPath, CONFIG_LOOKUP_FILE); /* from current dir */
687 /* Check if the CR_CONFIG_PATH env var is set. */
688 {
689 const char *conf = crGetenv("CR_CONFIG_PATH");
690 if (conf)
691 crStrcpy(configPath, conf); /* from env var */
692 }
693
694 f = fopen(configPath, "r");
695 if (!f) {
696 return NULL;
697 }
698
699 while (!feof(f)) {
700 char line[1000];
701 char **args;
702 fgets(line, 999, f);
703 line[crStrlen(line) - 1] = 0; /* remove trailing newline */
704 if (crStrncmp(line, procName, procNameLen) == 0 &&
705 (line[procNameLen] == ' ' || line[procNameLen] == '\t'))
706 {
707 crWarning("Using Chromium configuration for %s from %s",
708 procName, configPath);
709 args = crStrSplit(line + procNameLen + 1, " ");
710 return args;
711 }
712 }
713 fclose(f);
714 return NULL;
715}
716
717
718static int Mothership_Awake = 0;
719
720
721/**
722 * Signal handler to determine when mothership is ready.
723 */
724static void
725MothershipPhoneHome(int signo)
726{
727 crDebug("Got signal %d: mothership is awake!", signo);
728 Mothership_Awake = 1;
729}
730
731void stubSetDefaultConfigurationOptions(void)
732{
733 unsigned char key[16]= {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
734
735 stub.appDrawCursor = 0;
736 stub.minChromiumWindowWidth = 0;
737 stub.minChromiumWindowHeight = 0;
738 stub.maxChromiumWindowWidth = 0;
739 stub.maxChromiumWindowHeight = 0;
740 stub.matchChromiumWindowID = NULL;
741 stub.numIgnoreWindowID = 0;
742 stub.matchWindowTitle = NULL;
743 stub.ignoreFreeglutMenus = 0;
744 stub.trackWindowSize = 1;
745 stub.trackWindowPos = 1;
746 stub.trackWindowVisibility = 1;
747 stub.trackWindowVisibleRgn = 1;
748 stub.matchChromiumWindowCount = 0;
749 stub.spu_dir = NULL;
750 crNetSetRank(0);
751 crNetSetContextRange(32, 35);
752 crNetSetNodeRange("iam0", "iamvis20");
753 crNetSetKey(key,sizeof(key));
754 stub.force_pbuffers = 0;
755 stub.viewportHack = 0;
756
757#ifdef WINDOWS
758 {
759 char name[1000];
760 int i;
761
762# ifdef VBOX_WITH_WDDM
763 stub.bRunningUnderWDDM = false;
764# endif
765 /* Apply viewport hack only if we're running under wine */
766 if (NULL!=GetModuleHandle("wined3d.dll") || NULL != GetModuleHandle("wined3dwddm.dll"))
767 {
768 crGetProcName(name, 1000);
769 for (i=0; gsViewportHackApps[i]; ++i)
770 {
771 if (!stricmp(name, gsViewportHackApps[i]))
772 {
773 stub.viewportHack = 1;
774 break;
775 }
776 }
777 }
778 }
779#endif
780}
781
782#ifdef CR_NEWWINTRACK
783# ifdef VBOX_WITH_WDDM
784static stubDispatchVisibleRegions(WindowInfo *pWindow)
785{
786 DWORD dwCount;
787 LPRGNDATA lpRgnData;
788
789 dwCount = GetRegionData(pWindow->hVisibleRegion, 0, NULL);
790 lpRgnData = crAlloc(dwCount);
791
792 if (lpRgnData)
793 {
794 GetRegionData(pWindow->hVisibleRegion, dwCount, lpRgnData);
795 crDebug("Dispatched WindowVisibleRegion (%i, cRects=%i)", pWindow->spuWindow, lpRgnData->rdh.nCount);
796 stub.spuDispatch.WindowVisibleRegion(pWindow->spuWindow, lpRgnData->rdh.nCount, (GLint*) lpRgnData->Buffer);
797 crFree(lpRgnData);
798 }
799 else crWarning("GetRegionData failed, VisibleRegions update failed");
800}
801
802static HRGN stubMakeRegionFromRects(PVBOXVIDEOCM_CMD_RECTS pRegions, uint32_t start)
803{
804 HRGN hRgn, hTmpRgn;
805 uint32_t i;
806
807 if (pRegions->RectsInfo.cRects<=start)
808 {
809 return INVALID_HANDLE_VALUE;
810 }
811
812 hRgn = CreateRectRgn(0, 0, 0, 0);
813 for (i=start; i<pRegions->RectsInfo.cRects; ++i)
814 {
815 hTmpRgn = CreateRectRgnIndirect(&pRegions->RectsInfo.aRects[i]);
816 CombineRgn(hRgn, hRgn, hTmpRgn, RGN_OR);
817 DeleteObject(hTmpRgn);
818 }
819 return hRgn;
820}
821
822typedef struct VBOXCR_UPDATEWNDCB
823{
824 VBOXDISPMP_REGIONS Regions;
825 bool fSendUpdateMsg;
826} VBOXCR_UPDATEWNDCB, *PVBOXCR_UPDATEWNDCB;
827
828static void stubSyncTrUpdateWindowCB(unsigned long key, void *data1, void *data2)
829{
830 WindowInfo *pWindow = (WindowInfo *) data1;
831 PVBOXCR_UPDATEWNDCB pCbData = (PVBOXCR_UPDATEWNDCB) data2;
832 VBOXDISPMP_REGIONS *pRegions = &pCbData->Regions;
833 bool bChanged = false;
834 HRGN hNewRgn = INVALID_HANDLE_VALUE;
835
836 if (pRegions->hWnd != pWindow->hWnd)
837 {
838 return;
839 }
840
841 stub.spu->dispatch_table.VBoxPackSetInjectID(pWindow->u32ClientID);
842
843 if (!stubSystemWindowExist(pWindow))
844 {
845 crWindowDestroy((GLint)pWindow->hWnd);
846 return;
847 }
848
849 if (!pWindow->mapped)
850 {
851 pWindow->mapped = GL_TRUE;
852 bChanged = true;
853 crDebug("Dispatched: WindowShow(%i, %i)", pWindow->spuWindow, pWindow->mapped);
854 stub.spu->dispatch_table.WindowShow(pWindow->spuWindow, pWindow->mapped);
855 }
856
857 if (pRegions->pRegions->fFlags.bAddVisibleRects || pRegions->pRegions->fFlags.bSetViewRect)
858 {
859 /* ensure data integrity */
860 Assert(!pRegions->pRegions->fFlags.bAddHiddenRects);
861
862 if (pRegions->pRegions->fFlags.bSetViewRect)
863 {
864 int winX, winY;
865 unsigned int winW, winH;
866 BOOL bRc;
867
868 winX = pRegions->pRegions->RectsInfo.aRects[0].left;
869 winY = pRegions->pRegions->RectsInfo.aRects[0].top;
870 winW = pRegions->pRegions->RectsInfo.aRects[0].right - winX;
871 winH = pRegions->pRegions->RectsInfo.aRects[0].bottom - winY;
872
873 if (stub.trackWindowPos && (winX!=pWindow->x || winY!=pWindow->y))
874 {
875 crDebug("Dispatched WindowPosition (%i)", pWindow->spuWindow);
876 stub.spuDispatch.WindowPosition(pWindow->spuWindow, winX, winY);
877 pWindow->x = winX;
878 pWindow->y = winY;
879 bChanged = true;
880 }
881
882 if (stub.trackWindowSize && (winW!=pWindow->width || winH!=pWindow->height))
883 {
884 crDebug("Dispatched WindowSize (%i)", pWindow->spuWindow);
885 stub.spuDispatch.WindowSize(pWindow->spuWindow, winW, winH);
886 pWindow->width = winW;
887 pWindow->height = winH;
888 bChanged = true;
889 }
890
891 bRc = MoveWindow(pRegions->hWnd, winX, winY, winW, winH, FALSE /*BOOL bRepaint*/);
892 if (!bRc)
893 {
894 DWORD winEr = GetLastError();
895 crWarning("stubSyncTrUpdateWindowCB: MoveWindow failed winEr(%d)", winEr);
896 }
897 }
898
899 if (pRegions->pRegions->fFlags.bAddVisibleRects)
900 {
901 hNewRgn = stubMakeRegionFromRects(pRegions->pRegions, pRegions->pRegions->fFlags.bSetViewRect ? 1 : 0);
902 }
903 }
904 else if (!pRegions->pRegions->fFlags.bHide)
905 {
906 Assert(pRegions->pRegions->fFlags.bAddHiddenRects);
907 hNewRgn = stubMakeRegionFromRects(pRegions->pRegions, 0);
908 }
909 else
910 {
911 Assert(pRegions->pRegions->fFlags.bAddHiddenRects);
912 hNewRgn = CreateRectRgn(pWindow->x, pWindow->y, pWindow->x + pWindow->width, pWindow->y + pWindow->height);
913 }
914
915 if (hNewRgn!=INVALID_HANDLE_VALUE)
916 {
917 if (pRegions->pRegions->fFlags.bAddVisibleRects)
918 {
919 HRGN hEmptyRgn = CreateRectRgn(0, 0, 0, 0);
920
921 if (hEmptyRgn!=INVALID_HANDLE_VALUE)
922 {
923 if (pWindow->hVisibleRegion==INVALID_HANDLE_VALUE || EqualRgn(pWindow->hVisibleRegion, hEmptyRgn))
924 {
925 pCbData->fSendUpdateMsg = true;
926 }
927
928 DeleteObject(hEmptyRgn);
929 }
930 else
931 {
932 crWarning("Failed to created empty region!");
933 }
934 }
935
936 OffsetRgn(hNewRgn, -pWindow->x, -pWindow->y);
937
938 if (pWindow->hVisibleRegion!=INVALID_HANDLE_VALUE)
939 {
940 CombineRgn(hNewRgn, pWindow->hVisibleRegion, hNewRgn,
941 pRegions->pRegions->fFlags.bAddHiddenRects ? RGN_DIFF:RGN_OR);
942
943 if (!EqualRgn(pWindow->hVisibleRegion, hNewRgn))
944 {
945 DeleteObject(pWindow->hVisibleRegion);
946 pWindow->hVisibleRegion = hNewRgn;
947 stubDispatchVisibleRegions(pWindow);
948 bChanged = true;
949 }
950 else
951 {
952 DeleteObject(hNewRgn);
953 }
954 }
955 else
956 {
957 if (pRegions->pRegions->fFlags.bAddVisibleRects)
958 {
959 pWindow->hVisibleRegion = hNewRgn;
960 stubDispatchVisibleRegions(pWindow);
961 bChanged = true;
962 }
963 }
964 }
965
966 if (bChanged)
967 {
968 stub.spu->dispatch_table.Flush();
969 }
970}
971# endif
972
973static void stubSyncTrCheckWindowsCB(unsigned long key, void *data1, void *data2)
974{
975 WindowInfo *pWindow = (WindowInfo *) data1;
976 (void) data2;
977
978 if (pWindow->type!=CHROMIUM || pWindow->spuWindow==0)
979 {
980 return;
981 }
982
983 stub.spu->dispatch_table.VBoxPackSetInjectID(pWindow->u32ClientID);
984
985 if (!stubSystemWindowExist(pWindow))
986 {
987#ifdef WINDOWS
988 crWindowDestroy((GLint)pWindow->hWnd);
989#else
990 crWindowDestroy((GLint)pWindow->drawable);
991#endif
992 /*No need to flush here as crWindowDestroy does it*/
993 return;
994 }
995
996#if defined(WINDOWS) && defined(VBOX_WITH_WDDM)
997 if (stub.bRunningUnderWDDM)
998 return;
999#endif
1000 stubCheckWindowState(pWindow, GL_TRUE);
1001}
1002
1003static DECLCALLBACK(int) stubSyncThreadProc(RTTHREAD ThreadSelf, void *pvUser)
1004{
1005#ifdef WINDOWS
1006 MSG msg;
1007# ifdef VBOX_WITH_WDDM
1008 static VBOXDISPMP_CALLBACKS VBoxDispMpTstCallbacks = {NULL, NULL, NULL};
1009 HMODULE hVBoxD3D = NULL;
1010 VBOXCR_UPDATEWNDCB RegionsData;
1011 HRESULT hr;
1012# endif
1013#endif
1014
1015 (void) pvUser;
1016
1017 crDebug("Sync thread started");
1018#ifdef WINDOWS
1019 PeekMessage(&msg, NULL, WM_USER, WM_USER, PM_NOREMOVE);
1020# ifdef VBOX_WITH_WDDM
1021 hVBoxD3D = GetModuleHandle("VBoxDispD3D");
1022 if (hVBoxD3D)
1023 {
1024 hVBoxD3D = LoadLibrary("VBoxDispD3D");
1025 }
1026
1027 if (hVBoxD3D)
1028 {
1029 PFNVBOXDISPMP_GETCALLBACKS pfnVBoxDispMpGetCallbacks;
1030 pfnVBoxDispMpGetCallbacks = (PFNVBOXDISPMP_GETCALLBACKS)GetProcAddress(hVBoxD3D, TEXT("VBoxDispMpGetCallbacks"));
1031 if (pfnVBoxDispMpGetCallbacks)
1032 {
1033 hr = pfnVBoxDispMpGetCallbacks(VBOXDISPMP_VERSION, &VBoxDispMpTstCallbacks);
1034 if (S_OK==hr)
1035 {
1036 CRASSERT(VBoxDispMpTstCallbacks.pfnEnableEvents);
1037 CRASSERT(VBoxDispMpTstCallbacks.pfnDisableEvents);
1038 CRASSERT(VBoxDispMpTstCallbacks.pfnGetRegions);
1039
1040 hr = VBoxDispMpTstCallbacks.pfnEnableEvents();
1041 if (hr != S_OK)
1042 {
1043 crWarning("VBoxDispMpTstCallbacks.pfnEnableEvents failed");
1044 }
1045 else
1046 {
1047 crDebug("running with VBoxDispD3D");
1048 stub.trackWindowVisibleRgn = 0;
1049 stub.bRunningUnderWDDM = true;
1050 }
1051 }
1052 else
1053 {
1054 crWarning("VBoxDispMpGetCallbacks failed");
1055 }
1056 }
1057 }
1058# endif
1059#endif
1060
1061 crLockMutex(&stub.mutex);
1062 stub.spu->dispatch_table.VBoxPackSetInjectThread();
1063 crUnlockMutex(&stub.mutex);
1064
1065 RTThreadUserSignal(ThreadSelf);
1066
1067 while(!stub.bShutdownSyncThread)
1068 {
1069#ifdef WINDOWS
1070 if (!PeekMessage(&msg, 0, 0, 0, PM_REMOVE))
1071 {
1072# ifdef VBOX_WITH_WDDM
1073 if (VBoxDispMpTstCallbacks.pfnGetRegions)
1074 {
1075 hr = VBoxDispMpTstCallbacks.pfnGetRegions(&RegionsData.Regions, 50);
1076 if (S_OK==hr)
1077 {
1078 RegionsData.fSendUpdateMsg = false;
1079# if 0
1080 uint32_t i;
1081 crDebug(">>>Regions for HWND(0x%x)>>>", RegionsData.Regions.hWnd);
1082 crDebug("Flags(0x%x)", RegionsData.Regions.pRegions->fFlags.Value);
1083 for (i = 0; i < RegionsData.Regions.pRegions->RectsInfo.cRects; ++i)
1084 {
1085 RECT *pRect = &RegionsData.Regions.pRegions->RectsInfo.aRects[i];
1086 crDebug("Rect(%d): left(%d), top(%d), right(%d), bottom(%d)", i, pRect->left, pRect->top, pRect->right, pRect->bottom);
1087 }
1088 crDebug("<<<<<");
1089# endif
1090 /*hacky way to make sure window wouldn't be deleted in another thread as we hold hashtable lock here*/
1091 crHashtableWalk(stub.windowTable, stubSyncTrUpdateWindowCB, &RegionsData);
1092 if (RegionsData.fSendUpdateMsg)
1093 {
1094 SendMessageTimeout(HWND_BROADCAST, WM_SETTINGCHANGE, 0, 0, SMTO_NORMAL, 1000, NULL);
1095 }
1096 }
1097 else
1098 {
1099 if (WAIT_TIMEOUT!=hr)
1100 {
1101 crWarning("VBoxDispMpTstCallbacks.pfnGetRegions failed with 0x%x", hr);
1102 }
1103 crHashtableWalk(stub.windowTable, stubSyncTrCheckWindowsCB, NULL);
1104 }
1105 }
1106 else
1107# endif
1108 {
1109 crHashtableWalk(stub.windowTable, stubSyncTrCheckWindowsCB, NULL);
1110 RTThreadSleep(50);
1111 }
1112 }
1113 else
1114 {
1115 if (WM_QUIT==msg.message)
1116 {
1117 crDebug("Sync thread got WM_QUIT");
1118 break;
1119 }
1120 else
1121 {
1122 TranslateMessage(&msg);
1123 DispatchMessage(&msg);
1124 }
1125 }
1126#else
1127 crLockMutex(&stub.mutex);
1128 crHashtableWalk(stub.windowTable, stubSyncTrCheckWindowsCB, NULL);
1129 crUnlockMutex(&stub.mutex);
1130 RTThreadSleep(50);
1131#endif
1132 }
1133
1134#ifdef VBOX_WITH_WDDM
1135 if (VBoxDispMpTstCallbacks.pfnDisableEvents)
1136 {
1137 VBoxDispMpTstCallbacks.pfnDisableEvents();
1138 }
1139 if (hVBoxD3D)
1140 {
1141 FreeLibrary(hVBoxD3D);
1142 }
1143#endif
1144 crDebug("Sync thread stopped");
1145 return 0;
1146}
1147#endif
1148
1149/**
1150 * Do one-time initializations for the faker.
1151 * Returns TRUE on success, FALSE otherwise.
1152 */
1153static bool
1154stubInitLocked(void)
1155{
1156 /* Here is where we contact the mothership to find out what we're supposed
1157 * to be doing. Networking code in a DLL initializer. I sure hope this
1158 * works :)
1159 *
1160 * HOW can I pass the mothership address to this if I already know it?
1161 */
1162
1163 CRConnection *conn = NULL;
1164 char response[1024];
1165 char **spuchain;
1166 int num_spus;
1167 int *spu_ids;
1168 char **spu_names;
1169 const char *app_id;
1170 int i;
1171 int disable_sync = 0;
1172
1173 stubInitVars();
1174
1175 crGetProcName(response, 1024);
1176 crDebug("Stub launched for %s", response);
1177
1178#if defined(CR_NEWWINTRACK) && !defined(WINDOWS)
1179 /*@todo when vm boots with compiz turned on, new code causes hang in xcb_wait_for_reply in the sync thread
1180 * as at the start compiz runs our code under XGrabServer.
1181 */
1182 if (!crStrcmp(response, "compiz") || !crStrcmp(response, "compiz_real") || !crStrcmp(response, "compiz.real")
1183 || !crStrcmp(response, "compiz-bin"))
1184 {
1185 disable_sync = 1;
1186 }
1187#endif
1188
1189 /* @todo check if it'd be of any use on other than guests, no use for windows */
1190 app_id = crGetenv( "CR_APPLICATION_ID_NUMBER" );
1191
1192 crNetInit( NULL, NULL );
1193
1194#ifndef WINDOWS
1195 {
1196 CRNetServer ns;
1197
1198 ns.name = "vboxhgcm://host:0";
1199 ns.buffer_size = 1024;
1200 crNetServerConnect(&ns);
1201 if (!ns.conn)
1202 {
1203 crWarning("Failed to connect to host. Make sure 3D acceleration is enabled for this VM.");
1204 return false;
1205 }
1206 else
1207 {
1208 crNetFreeConnection(ns.conn);
1209 }
1210#if 0 && defined(CR_NEWWINTRACK)
1211 {
1212 Status st = XInitThreads();
1213 if (st==0)
1214 {
1215 crWarning("XInitThreads returned %i", (int)st);
1216 }
1217 }
1218#endif
1219 }
1220#endif
1221
1222 strcpy(response, "2 0 feedback 1 pack");
1223 spuchain = crStrSplit( response, " " );
1224 num_spus = crStrToInt( spuchain[0] );
1225 spu_ids = (int *) crAlloc( num_spus * sizeof( *spu_ids ) );
1226 spu_names = (char **) crAlloc( num_spus * sizeof( *spu_names ) );
1227 for (i = 0 ; i < num_spus ; i++)
1228 {
1229 spu_ids[i] = crStrToInt( spuchain[2*i+1] );
1230 spu_names[i] = crStrdup( spuchain[2*i+2] );
1231 crDebug( "SPU %d/%d: (%d) \"%s\"", i+1, num_spus, spu_ids[i], spu_names[i] );
1232 }
1233
1234 stubSetDefaultConfigurationOptions();
1235
1236 stub.spu = crSPULoadChain( num_spus, spu_ids, spu_names, stub.spu_dir, NULL );
1237
1238 crFree( spuchain );
1239 crFree( spu_ids );
1240 for (i = 0; i < num_spus; ++i)
1241 crFree(spu_names[i]);
1242 crFree( spu_names );
1243
1244 // spu chain load failed somewhere
1245 if (!stub.spu) {
1246 return false;
1247 }
1248
1249 crSPUInitDispatchTable( &glim );
1250
1251 /* This is unlikely to change -- We still want to initialize our dispatch
1252 * table with the functions of the first SPU in the chain. */
1253 stubInitSPUDispatch( stub.spu );
1254
1255 /* we need to plug one special stub function into the dispatch table */
1256 glim.GetChromiumParametervCR = stub_GetChromiumParametervCR;
1257
1258#if !defined(VBOX_NO_NATIVEGL)
1259 /* Load pointers to native OpenGL functions into stub.nativeDispatch */
1260 stubInitNativeDispatch();
1261#endif
1262
1263/*crDebug("stub init");
1264raise(SIGINT);*/
1265
1266#ifdef WINDOWS
1267# ifndef CR_NEWWINTRACK
1268 stubInstallWindowMessageHook();
1269# endif
1270#endif
1271
1272#ifdef CR_NEWWINTRACK
1273 {
1274 int rc;
1275
1276 RTR3InitDll(0);
1277
1278 if (!disable_sync)
1279 {
1280 crDebug("Starting sync thread");
1281
1282 rc = RTThreadCreate(&stub.hSyncThread, stubSyncThreadProc, NULL, 0, RTTHREADTYPE_DEFAULT, RTTHREADFLAGS_WAITABLE, "Sync");
1283 if (RT_FAILURE(rc))
1284 {
1285 crError("Failed to start sync thread! (%x)", rc);
1286 }
1287 RTThreadUserWait(stub.hSyncThread, 60 * 1000);
1288 RTThreadUserReset(stub.hSyncThread);
1289
1290 crDebug("Going on");
1291 }
1292 }
1293#endif
1294
1295#ifdef GLX
1296 stub.xshmSI.shmid = -1;
1297 stub.bShmInitFailed = GL_FALSE;
1298 stub.pGLXPixmapsHash = crAllocHashtable();
1299
1300 stub.bXExtensionsChecked = GL_FALSE;
1301 stub.bHaveXComposite = GL_FALSE;
1302 stub.bHaveXFixes = GL_FALSE;
1303#endif
1304
1305 return true;
1306}
1307
1308/**
1309 * Do one-time initializations for the faker.
1310 * Returns TRUE on success, FALSE otherwise.
1311 */
1312bool
1313stubInit(void)
1314{
1315 bool bRc = true;
1316 /* we need to serialize the initialization, otherwise racing is possible
1317 * for XPDM-based d3d when a d3d switcher is testing the gl lib in two or more threads
1318 * NOTE: the STUB_INIT_LOCK/UNLOCK is a NOP for non-win currently */
1319 STUB_INIT_LOCK();
1320 if (!stub_initialized)
1321 bRc = stub_initialized = stubInitLocked();
1322 STUB_INIT_UNLOCK();
1323 return bRc;
1324}
1325
1326/* Sigh -- we can't do initialization at load time, since Windows forbids
1327 * the loading of other libraries from DLLMain. */
1328
1329#ifdef LINUX
1330/* GCC crap
1331 *void (*stub_init_ptr)(void) __attribute__((section(".ctors"))) = __stubInit; */
1332#endif
1333
1334#ifdef WINDOWS
1335#define WIN32_LEAN_AND_MEAN
1336#include <windows.h>
1337
1338#ifdef DEBUG_misha
1339 /* debugging: this is to be able to catch first-chance notifications
1340 * for exceptions other than EXCEPTION_BREAKPOINT in kernel debugger */
1341# define VDBG_VEHANDLER
1342#endif
1343
1344#ifdef VDBG_VEHANDLER
1345static PVOID g_VBoxWDbgVEHandler = NULL;
1346LONG WINAPI vboxVDbgVectoredHandler(struct _EXCEPTION_POINTERS *pExceptionInfo)
1347{
1348 PEXCEPTION_RECORD pExceptionRecord = pExceptionInfo->ExceptionRecord;
1349 PCONTEXT pContextRecord = pExceptionInfo->ContextRecord;
1350 switch (pExceptionRecord->ExceptionCode)
1351 {
1352 case EXCEPTION_BREAKPOINT:
1353 case EXCEPTION_ACCESS_VIOLATION:
1354 case EXCEPTION_STACK_OVERFLOW:
1355 case EXCEPTION_ARRAY_BOUNDS_EXCEEDED:
1356 case EXCEPTION_FLT_DIVIDE_BY_ZERO:
1357 case EXCEPTION_FLT_INVALID_OPERATION:
1358 case EXCEPTION_INT_DIVIDE_BY_ZERO:
1359 case EXCEPTION_ILLEGAL_INSTRUCTION:
1360 CRASSERT(0);
1361 break;
1362 default:
1363 break;
1364 }
1365 return EXCEPTION_CONTINUE_SEARCH;
1366}
1367
1368void vboxVDbgVEHandlerRegister()
1369{
1370 CRASSERT(!g_VBoxWDbgVEHandler);
1371 g_VBoxWDbgVEHandler = AddVectoredExceptionHandler(1,vboxVDbgVectoredHandler);
1372 CRASSERT(g_VBoxWDbgVEHandler);
1373}
1374
1375void vboxVDbgVEHandlerUnregister()
1376{
1377 ULONG uResult;
1378 if (g_VBoxWDbgVEHandler)
1379 {
1380 uResult = RemoveVectoredExceptionHandler(g_VBoxWDbgVEHandler);
1381 CRASSERT(uResult);
1382 g_VBoxWDbgVEHandler = NULL;
1383 }
1384}
1385#endif
1386
1387/* Windows crap */
1388BOOL WINAPI DllMain(HINSTANCE hDLLInst, DWORD fdwReason, LPVOID lpvReserved)
1389{
1390 (void) lpvReserved;
1391
1392 switch (fdwReason)
1393 {
1394 case DLL_PROCESS_ATTACH:
1395 {
1396 CRNetServer ns;
1397
1398#ifdef CHROMIUM_THREADSAFE
1399 crInitTSD(&g_stubCurrentContextTSD);
1400#endif
1401
1402 crInitMutex(&stub_init_mutex);
1403
1404#ifdef VDBG_VEHANDLER
1405 vboxVDbgVEHandlerRegister();
1406#endif
1407
1408 crNetInit(NULL, NULL);
1409 ns.name = "vboxhgcm://host:0";
1410 ns.buffer_size = 1024;
1411 crNetServerConnect(&ns);
1412 if (!ns.conn)
1413 {
1414 crDebug("Failed to connect to host (is guest 3d acceleration enabled?), aborting ICD load.");
1415#ifdef VDBG_VEHANDLER
1416 vboxVDbgVEHandlerUnregister();
1417#endif
1418 return FALSE;
1419 }
1420 else
1421 crNetFreeConnection(ns.conn);
1422
1423 break;
1424 }
1425
1426 case DLL_PROCESS_DETACH:
1427 {
1428 /* do exactly the same thing as for DLL_THREAD_DETACH since
1429 * DLL_THREAD_DETACH is not called for the thread doing DLL_PROCESS_DETACH according to msdn docs */
1430 stubSetCurrentContext(NULL);
1431 if (stub_initialized)
1432 {
1433 CRASSERT(stub.spu);
1434 stub.spu->dispatch_table.VBoxDetachThread();
1435 }
1436
1437 stubSPUSafeTearDown();
1438
1439#ifdef CHROMIUM_THREADSAFE
1440 crFreeTSD(&g_stubCurrentContextTSD);
1441#endif
1442
1443#ifdef VDBG_VEHANDLER
1444 vboxVDbgVEHandlerUnregister();
1445#endif
1446 break;
1447 }
1448
1449 case DLL_THREAD_ATTACH:
1450 {
1451 if (stub_initialized)
1452 {
1453 CRASSERT(stub.spu);
1454 stub.spu->dispatch_table.VBoxAttachThread();
1455 }
1456 break;
1457 }
1458
1459 case DLL_THREAD_DETACH:
1460 {
1461 stubSetCurrentContext(NULL);
1462 if (stub_initialized)
1463 {
1464 CRASSERT(stub.spu);
1465 stub.spu->dispatch_table.VBoxDetachThread();
1466 }
1467 break;
1468 }
1469
1470 default:
1471 break;
1472 }
1473
1474 return TRUE;
1475}
1476#endif
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