VirtualBox

source: vbox/trunk/src/VBox/Additions/common/crOpenGL/load.c@ 50981

Last change on this file since 50981 was 50942, checked in by vboxsync, 11 years ago

build fix v2
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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#endif
35
36/**
37 * If you change this, see the comments in tilesortspu_context.c
38 */
39#define MAGIC_CONTEXT_BASE 500
40
41#define CONFIG_LOOKUP_FILE ".crconfigs"
42
43#ifdef WINDOWS
44#define PYTHON_EXE "python.exe"
45#else
46#define PYTHON_EXE "python"
47#endif
48
49static bool stub_initialized = 0;
50#ifdef WINDOWS
51static CRmutex stub_init_mutex;
52#define STUB_INIT_LOCK() do { crLockMutex(&stub_init_mutex); } while (0)
53#define STUB_INIT_UNLOCK() do { crUnlockMutex(&stub_init_mutex); } while (0)
54#else
55#define STUB_INIT_LOCK() do { } while (0)
56#define STUB_INIT_UNLOCK() do { } while (0)
57#endif
58
59/* NOTE: 'SPUDispatchTable glim' is declared in NULLfuncs.py now */
60/* NOTE: 'SPUDispatchTable stubThreadsafeDispatch' is declared in tsfuncs.c */
61Stub stub;
62#ifdef CHROMIUM_THREADSAFE
63static bool g_stubIsCurrentContextTSDInited;
64CRtsd g_stubCurrentContextTSD;
65#endif
66
67
68static void stubInitNativeDispatch( void )
69{
70#define MAX_FUNCS 1000
71 SPUNamedFunctionTable gl_funcs[MAX_FUNCS];
72 int numFuncs;
73
74 numFuncs = crLoadOpenGL( &stub.wsInterface, gl_funcs );
75
76 stub.haveNativeOpenGL = (numFuncs > 0);
77
78 /* XXX call this after context binding */
79 numFuncs += crLoadOpenGLExtensions( &stub.wsInterface, gl_funcs + numFuncs );
80
81 CRASSERT(numFuncs < MAX_FUNCS);
82
83 crSPUInitDispatchTable( &stub.nativeDispatch );
84 crSPUInitDispatch( &stub.nativeDispatch, gl_funcs );
85 crSPUInitDispatchNops( &stub.nativeDispatch );
86#undef MAX_FUNCS
87}
88
89
90/** Pointer to the SPU's real glClear and glViewport functions */
91static ClearFunc_t origClear;
92static ViewportFunc_t origViewport;
93static SwapBuffersFunc_t origSwapBuffers;
94static DrawBufferFunc_t origDrawBuffer;
95static ScissorFunc_t origScissor;
96
97static void stubCheckWindowState(WindowInfo *window, GLboolean bFlushOnChange)
98{
99 bool bForceUpdate = false;
100 bool bChanged = false;
101
102#ifdef WINDOWS
103 /* @todo install hook and track for WM_DISPLAYCHANGE */
104 {
105 DEVMODE devMode;
106
107 devMode.dmSize = sizeof(DEVMODE);
108 EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &devMode);
109
110 if (devMode.dmPelsWidth!=window->dmPelsWidth || devMode.dmPelsHeight!=window->dmPelsHeight)
111 {
112 crDebug("Resolution changed(%d,%d), forcing window Pos/Size update", devMode.dmPelsWidth, devMode.dmPelsHeight);
113 window->dmPelsWidth = devMode.dmPelsWidth;
114 window->dmPelsHeight = devMode.dmPelsHeight;
115 bForceUpdate = true;
116 }
117 }
118#endif
119
120 bChanged = stubUpdateWindowGeometry(window, bForceUpdate) || bForceUpdate;
121
122#if defined(GLX) || defined (WINDOWS)
123 if (stub.trackWindowVisibleRgn)
124 {
125 bChanged = stubUpdateWindowVisibileRegions(window) || bChanged;
126 }
127#endif
128
129 if (stub.trackWindowVisibility && window->type == CHROMIUM && window->drawable) {
130 const int mapped = stubIsWindowVisible(window);
131 if (mapped != window->mapped) {
132 crDebug("Dispatched: WindowShow(%i, %i)", window->spuWindow, mapped);
133 stub.spu->dispatch_table.WindowShow(window->spuWindow, mapped);
134 window->mapped = mapped;
135 bChanged = true;
136 }
137 }
138
139 if (bFlushOnChange && bChanged)
140 {
141 stub.spu->dispatch_table.Flush();
142 }
143}
144
145static bool stubSystemWindowExist(WindowInfo *pWindow)
146{
147#ifdef WINDOWS
148 if (pWindow->hWnd!=WindowFromDC(pWindow->drawable))
149 {
150 return false;
151 }
152#else
153 Window root;
154 int x, y;
155 unsigned int border, depth, w, h;
156 Display *dpy;
157
158 dpy = stubGetWindowDisplay(pWindow);
159
160 XLOCK(dpy);
161 if (!XGetGeometry(dpy, pWindow->drawable, &root, &x, &y, &w, &h, &border, &depth))
162 {
163 XUNLOCK(dpy);
164 return false;
165 }
166 XUNLOCK(dpy);
167#endif
168
169 return true;
170}
171
172static void stubCheckWindowsCB(unsigned long key, void *data1, void *data2)
173{
174 WindowInfo *pWindow = (WindowInfo *) data1;
175 ContextInfo *pCtx = (ContextInfo *) data2;
176
177 if (pWindow == pCtx->currentDrawable
178 || pWindow->type!=CHROMIUM
179 || pWindow->pOwner!=pCtx)
180 {
181 return;
182 }
183
184 if (!stubSystemWindowExist(pWindow))
185 {
186#ifdef WINDOWS
187 stubDestroyWindow(CR_CTX_CON(pCtx), (GLint)pWindow->hWnd);
188#else
189 stubDestroyWindow(CR_CTX_CON(pCtx), (GLint)pWindow->drawable);
190#endif
191 return;
192 }
193
194 stubCheckWindowState(pWindow, GL_FALSE);
195}
196
197static void stubCheckWindowsState(void)
198{
199 ContextInfo *context = stubGetCurrentContext();
200
201 CRASSERT(stub.trackWindowSize || stub.trackWindowPos);
202
203 if (!context)
204 return;
205
206#if defined(WINDOWS) && defined(VBOX_WITH_WDDM)
207 if (stub.bRunningUnderWDDM)
208 return;
209#endif
210
211 /* Try to keep a consistent locking order. */
212 crHashtableLock(stub.windowTable);
213#if defined(CR_NEWWINTRACK) && !defined(WINDOWS)
214 crLockMutex(&stub.mutex);
215#endif
216
217 stubCheckWindowState(context->currentDrawable, GL_TRUE);
218 crHashtableWalkUnlocked(stub.windowTable, stubCheckWindowsCB, context);
219
220#if defined(CR_NEWWINTRACK) && !defined(WINDOWS)
221 crUnlockMutex(&stub.mutex);
222#endif
223 crHashtableUnlock(stub.windowTable);
224}
225
226
227/**
228 * Override the head SPU's glClear function.
229 * We're basically trapping this function so that we can poll the
230 * application window size at a regular interval.
231 */
232static void SPU_APIENTRY trapClear(GLbitfield mask)
233{
234 stubCheckWindowsState();
235 /* call the original SPU glClear function */
236 origClear(mask);
237}
238
239/**
240 * As above, but for glViewport. Most apps call glViewport before
241 * glClear when a window is resized.
242 */
243static void SPU_APIENTRY trapViewport(GLint x, GLint y, GLsizei w, GLsizei h)
244{
245 stubCheckWindowsState();
246 /* call the original SPU glViewport function */
247 origViewport(x, y, w, h);
248}
249
250static void SPU_APIENTRY trapSwapBuffers(GLint window, GLint flags)
251{
252 stubCheckWindowsState();
253 origSwapBuffers(window, flags);
254}
255
256static void SPU_APIENTRY trapDrawBuffer(GLenum buf)
257{
258 stubCheckWindowsState();
259 origDrawBuffer(buf);
260}
261
262static void SPU_APIENTRY trapScissor(GLint x, GLint y, GLsizei w, GLsizei h)
263{
264 int winX, winY;
265 unsigned int winW, winH;
266 WindowInfo *pWindow;
267 ContextInfo *context = stubGetCurrentContext();
268 pWindow = context->currentDrawable;
269 stubGetWindowGeometry(pWindow, &winX, &winY, &winW, &winH);
270 origScissor(0, 0, winW, winH);
271}
272
273/**
274 * Use the GL function pointers in <spu> to initialize the static glim
275 * dispatch table.
276 */
277static void stubInitSPUDispatch(SPU *spu)
278{
279 crSPUInitDispatchTable( &stub.spuDispatch );
280 crSPUCopyDispatchTable( &stub.spuDispatch, &(spu->dispatch_table) );
281
282 if (stub.trackWindowSize || stub.trackWindowPos || stub.trackWindowVisibleRgn) {
283 /* patch-in special glClear/Viewport function to track window sizing */
284 origClear = stub.spuDispatch.Clear;
285 origViewport = stub.spuDispatch.Viewport;
286 origSwapBuffers = stub.spuDispatch.SwapBuffers;
287 origDrawBuffer = stub.spuDispatch.DrawBuffer;
288 origScissor = stub.spuDispatch.Scissor;
289 stub.spuDispatch.Clear = trapClear;
290 stub.spuDispatch.Viewport = trapViewport;
291
292 /*stub.spuDispatch.SwapBuffers = trapSwapBuffers;
293 stub.spuDispatch.DrawBuffer = trapDrawBuffer;*/
294 }
295
296 crSPUCopyDispatchTable( &glim, &stub.spuDispatch );
297}
298
299// Callback function, used to destroy all created contexts
300static void hsWalkStubDestroyContexts(unsigned long key, void *data1, void *data2)
301{
302 stubDestroyContext(key);
303}
304
305/**
306 * This is called when we exit.
307 * We call all the SPU's cleanup functions.
308 */
309static void stubSPUTearDownLocked(void)
310{
311 crDebug("stubSPUTearDownLocked");
312
313#ifdef WINDOWS
314# ifndef CR_NEWWINTRACK
315 stubUninstallWindowMessageHook();
316# endif
317#endif
318
319#ifdef CR_NEWWINTRACK
320 ASMAtomicWriteBool(&stub.bShutdownSyncThread, true);
321#endif
322
323 //delete all created contexts
324 stubMakeCurrent( NULL, NULL);
325
326 /* the lock order is windowTable->contextTable (see wglMakeCurrent_prox, glXMakeCurrent)
327 * this is why we need to take a windowTable lock since we will later do stub.windowTable access & locking */
328 crHashtableLock(stub.windowTable);
329 crHashtableWalk(stub.contextTable, hsWalkStubDestroyContexts, NULL);
330 crHashtableUnlock(stub.windowTable);
331
332 /* shutdown, now trap any calls to a NULL dispatcher */
333 crSPUCopyDispatchTable(&glim, &stubNULLDispatch);
334
335 crSPUUnloadChain(stub.spu);
336 stub.spu = NULL;
337
338#ifndef Linux
339 crUnloadOpenGL();
340#endif
341
342#ifndef WINDOWS
343 crNetTearDown();
344#endif
345
346#ifdef GLX
347 if (stub.xshmSI.shmid>=0)
348 {
349 shmctl(stub.xshmSI.shmid, IPC_RMID, 0);
350 shmdt(stub.xshmSI.shmaddr);
351 }
352 crFreeHashtable(stub.pGLXPixmapsHash, crFree);
353#endif
354
355 crFreeHashtable(stub.windowTable, crFree);
356 crFreeHashtable(stub.contextTable, NULL);
357
358 crMemset(&stub, 0, sizeof(stub));
359
360}
361
362/**
363 * This is called when we exit.
364 * We call all the SPU's cleanup functions.
365 */
366static void stubSPUTearDown(void)
367{
368 STUB_INIT_LOCK();
369 if (stub_initialized)
370 {
371 stubSPUTearDownLocked();
372 stub_initialized = 0;
373 }
374 STUB_INIT_UNLOCK();
375}
376
377static void stubSPUSafeTearDown(void)
378{
379#ifdef CHROMIUM_THREADSAFE
380 CRmutex *mutex;
381#endif
382
383 if (!stub_initialized) return;
384 stub_initialized = 0;
385
386#ifdef CHROMIUM_THREADSAFE
387 mutex = &stub.mutex;
388 crLockMutex(mutex);
389#endif
390 crDebug("stubSPUSafeTearDown");
391
392#ifdef WINDOWS
393# ifndef CR_NEWWINTRACK
394 stubUninstallWindowMessageHook();
395# endif
396#endif
397
398#if defined(CR_NEWWINTRACK)
399 crUnlockMutex(mutex);
400# if defined(WINDOWS)
401 if (stub.hSyncThread && RTThreadGetState(stub.hSyncThread)!=RTTHREADSTATE_TERMINATED)
402 {
403 HANDLE hNative;
404 DWORD ec=0;
405
406 hNative = OpenThread(SYNCHRONIZE|THREAD_QUERY_INFORMATION|THREAD_TERMINATE,
407 false, RTThreadGetNative(stub.hSyncThread));
408 if (!hNative)
409 {
410 crWarning("Failed to get handle for sync thread(%#x)", GetLastError());
411 }
412 else
413 {
414 crDebug("Got handle %p for thread %#x", hNative, RTThreadGetNative(stub.hSyncThread));
415 }
416
417 ASMAtomicWriteBool(&stub.bShutdownSyncThread, true);
418
419 if (PostThreadMessage(RTThreadGetNative(stub.hSyncThread), WM_QUIT, 0, 0))
420 {
421 RTThreadWait(stub.hSyncThread, 1000, NULL);
422
423 /*Same issue as on linux, RTThreadWait exits before system thread is terminated, which leads
424 * to issues as our dll goes to be unloaded.
425 *@todo
426 *We usually call this function from DllMain which seems to be holding some lock and thus we have to
427 * kill thread via TerminateThread.
428 */
429 if (WaitForSingleObject(hNative, 100)==WAIT_TIMEOUT)
430 {
431 crDebug("Wait failed, terminating");
432 if (!TerminateThread(hNative, 1))
433 {
434 crDebug("TerminateThread failed");
435 }
436 }
437 if (GetExitCodeThread(hNative, &ec))
438 {
439 crDebug("Thread %p exited with ec=%i", hNative, ec);
440 }
441 else
442 {
443 crDebug("GetExitCodeThread failed(%#x)", GetLastError());
444 }
445 }
446 else
447 {
448 crDebug("Sync thread killed before DLL_PROCESS_DETACH");
449 }
450
451 if (hNative)
452 {
453 CloseHandle(hNative);
454 }
455 }
456#else
457 if (stub.hSyncThread!=NIL_RTTHREAD)
458 {
459 ASMAtomicWriteBool(&stub.bShutdownSyncThread, true);
460 {
461 /*RTThreadWait might return too early, which cause our code being unloaded while RT thread wrapper is still running*/
462 int rc = pthread_join(RTThreadGetNative(stub.hSyncThread), NULL);
463 if (!rc)
464 {
465 crDebug("pthread_join failed %i", rc);
466 }
467 }
468 }
469#endif
470 crLockMutex(mutex);
471#endif
472
473#ifndef WINDOWS
474 crNetTearDown();
475#endif
476
477#ifdef CHROMIUM_THREADSAFE
478 crUnlockMutex(mutex);
479 crFreeMutex(mutex);
480#endif
481 crMemset(&stub, 0, sizeof(stub));
482}
483
484
485static void stubExitHandler(void)
486{
487 stubSPUSafeTearDown();
488}
489
490/**
491 * Called when we receive a SIGTERM signal.
492 */
493static void stubSignalHandler(int signo)
494{
495 stubSPUSafeTearDown();
496 exit(0); /* this causes stubExitHandler() to be called */
497}
498
499#ifndef RT_OS_WINDOWS
500# ifdef CHROMIUM_THREADSAFE
501static DECLCALLBACK(void) stubThreadTlsDtor(void *pvValue)
502{
503 ContextInfo *pCtx = (ContextInfo*)pvValue;
504 VBoxTlsRefRelease(pCtx);
505}
506# endif
507#endif
508
509
510/**
511 * Init variables in the stub structure, install signal handler.
512 */
513static void stubInitVars(void)
514{
515 WindowInfo *defaultWin;
516
517#ifdef CHROMIUM_THREADSAFE
518 crInitMutex(&stub.mutex);
519#endif
520
521 /* At the very least we want CR_RGB_BIT. */
522 stub.haveNativeOpenGL = GL_FALSE;
523 stub.spu = NULL;
524 stub.appDrawCursor = 0;
525 stub.minChromiumWindowWidth = 0;
526 stub.minChromiumWindowHeight = 0;
527 stub.maxChromiumWindowWidth = 0;
528 stub.maxChromiumWindowHeight = 0;
529 stub.matchChromiumWindowCount = 0;
530 stub.matchChromiumWindowID = NULL;
531 stub.matchWindowTitle = NULL;
532 stub.ignoreFreeglutMenus = 0;
533 stub.threadSafe = GL_FALSE;
534 stub.trackWindowSize = 0;
535 stub.trackWindowPos = 0;
536 stub.trackWindowVisibility = 0;
537 stub.trackWindowVisibleRgn = 0;
538 stub.mothershipPID = 0;
539 stub.spu_dir = NULL;
540
541 stub.freeContextNumber = MAGIC_CONTEXT_BASE;
542 stub.contextTable = crAllocHashtable();
543#ifndef RT_OS_WINDOWS
544# ifdef CHROMIUM_THREADSAFE
545 if (!g_stubIsCurrentContextTSDInited)
546 {
547 crInitTSDF(&g_stubCurrentContextTSD, stubThreadTlsDtor);
548 g_stubIsCurrentContextTSDInited = true;
549 }
550# endif
551#endif
552 stubSetCurrentContext(NULL);
553
554 stub.windowTable = crAllocHashtable();
555
556#ifdef CR_NEWWINTRACK
557 stub.bShutdownSyncThread = false;
558 stub.hSyncThread = NIL_RTTHREAD;
559#endif
560
561 defaultWin = (WindowInfo *) crCalloc(sizeof(WindowInfo));
562 defaultWin->type = CHROMIUM;
563 defaultWin->spuWindow = 0; /* window 0 always exists */
564#ifdef WINDOWS
565 defaultWin->hVisibleRegion = INVALID_HANDLE_VALUE;
566#elif defined(GLX)
567 defaultWin->pVisibleRegions = NULL;
568 defaultWin->cVisibleRegions = 0;
569#endif
570 crHashtableAdd(stub.windowTable, 0, defaultWin);
571
572#if 1
573 atexit(stubExitHandler);
574 signal(SIGTERM, stubSignalHandler);
575 signal(SIGINT, stubSignalHandler);
576#ifndef WINDOWS
577 signal(SIGPIPE, SIG_IGN); /* the networking code should catch this */
578#endif
579#else
580 (void) stubExitHandler;
581 (void) stubSignalHandler;
582#endif
583}
584
585
586/**
587 * Return a free port number for the mothership to use, or -1 if we
588 * can't find one.
589 */
590static int
591GenerateMothershipPort(void)
592{
593 const int MAX_PORT = 10100;
594 unsigned short port;
595
596 /* generate initial port number randomly */
597 crRandAutoSeed();
598 port = (unsigned short) crRandInt(10001, MAX_PORT);
599
600#ifdef WINDOWS
601 /* XXX should implement a free port check here */
602 return port;
603#else
604 /*
605 * See if this port number really is free, try another if needed.
606 */
607 {
608 struct sockaddr_in servaddr;
609 int so_reuseaddr = 1;
610 int sock, k;
611
612 /* create socket */
613 sock = socket(AF_INET, SOCK_STREAM, 0);
614 CRASSERT(sock > 2);
615
616 /* deallocate socket/port when we exit */
617 k = setsockopt(sock, SOL_SOCKET, SO_REUSEADDR,
618 (char *) &so_reuseaddr, sizeof(so_reuseaddr));
619 CRASSERT(k == 0);
620
621 /* initialize the servaddr struct */
622 crMemset(&servaddr, 0, sizeof(servaddr) );
623 servaddr.sin_family = AF_INET;
624 servaddr.sin_addr.s_addr = htonl(INADDR_ANY);
625
626 while (port < MAX_PORT) {
627 /* Bind to the given port number, return -1 if we fail */
628 servaddr.sin_port = htons((unsigned short) port);
629 k = bind(sock, (struct sockaddr *) &servaddr, sizeof(servaddr));
630 if (k) {
631 /* failed to create port. try next one. */
632 port++;
633 }
634 else {
635 /* free the socket/port now so mothership can make it */
636 close(sock);
637 return port;
638 }
639 }
640 }
641#endif /* WINDOWS */
642 return -1;
643}
644
645
646/**
647 * Try to determine which mothership configuration to use for this program.
648 */
649static char **
650LookupMothershipConfig(const char *procName)
651{
652 const int procNameLen = crStrlen(procName);
653 FILE *f;
654 const char *home;
655 char configPath[1000];
656
657 /* first, check if the CR_CONFIG env var is set */
658 {
659 const char *conf = crGetenv("CR_CONFIG");
660 if (conf && crStrlen(conf) > 0)
661 return crStrSplit(conf, " ");
662 }
663
664 /* second, look up config name from config file */
665 home = crGetenv("HOME");
666 if (home)
667 sprintf(configPath, "%s/%s", home, CONFIG_LOOKUP_FILE);
668 else
669 crStrcpy(configPath, CONFIG_LOOKUP_FILE); /* from current dir */
670 /* Check if the CR_CONFIG_PATH env var is set. */
671 {
672 const char *conf = crGetenv("CR_CONFIG_PATH");
673 if (conf)
674 crStrcpy(configPath, conf); /* from env var */
675 }
676
677 f = fopen(configPath, "r");
678 if (!f) {
679 return NULL;
680 }
681
682 while (!feof(f)) {
683 char line[1000];
684 char **args;
685 fgets(line, 999, f);
686 line[crStrlen(line) - 1] = 0; /* remove trailing newline */
687 if (crStrncmp(line, procName, procNameLen) == 0 &&
688 (line[procNameLen] == ' ' || line[procNameLen] == '\t'))
689 {
690 crWarning("Using Chromium configuration for %s from %s",
691 procName, configPath);
692 args = crStrSplit(line + procNameLen + 1, " ");
693 return args;
694 }
695 }
696 fclose(f);
697 return NULL;
698}
699
700
701static int Mothership_Awake = 0;
702
703
704/**
705 * Signal handler to determine when mothership is ready.
706 */
707static void
708MothershipPhoneHome(int signo)
709{
710 crDebug("Got signal %d: mothership is awake!", signo);
711 Mothership_Awake = 1;
712}
713
714void stubSetDefaultConfigurationOptions(void)
715{
716 unsigned char key[16]= {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
717
718 stub.appDrawCursor = 0;
719 stub.minChromiumWindowWidth = 0;
720 stub.minChromiumWindowHeight = 0;
721 stub.maxChromiumWindowWidth = 0;
722 stub.maxChromiumWindowHeight = 0;
723 stub.matchChromiumWindowID = NULL;
724 stub.numIgnoreWindowID = 0;
725 stub.matchWindowTitle = NULL;
726 stub.ignoreFreeglutMenus = 0;
727 stub.trackWindowSize = 1;
728 stub.trackWindowPos = 1;
729 stub.trackWindowVisibility = 1;
730 stub.trackWindowVisibleRgn = 1;
731 stub.matchChromiumWindowCount = 0;
732 stub.spu_dir = NULL;
733 crNetSetRank(0);
734 crNetSetContextRange(32, 35);
735 crNetSetNodeRange("iam0", "iamvis20");
736 crNetSetKey(key,sizeof(key));
737 stub.force_pbuffers = 0;
738
739#ifdef WINDOWS
740# ifdef VBOX_WITH_WDDM
741 stub.bRunningUnderWDDM = false;
742# endif
743#endif
744}
745
746#ifdef CR_NEWWINTRACK
747# ifdef VBOX_WITH_WDDM
748static stubDispatchVisibleRegions(WindowInfo *pWindow)
749{
750 DWORD dwCount;
751 LPRGNDATA lpRgnData;
752
753 dwCount = GetRegionData(pWindow->hVisibleRegion, 0, NULL);
754 lpRgnData = crAlloc(dwCount);
755
756 if (lpRgnData)
757 {
758 GetRegionData(pWindow->hVisibleRegion, dwCount, lpRgnData);
759 crDebug("Dispatched WindowVisibleRegion (%i, cRects=%i)", pWindow->spuWindow, lpRgnData->rdh.nCount);
760 stub.spuDispatch.WindowVisibleRegion(pWindow->spuWindow, lpRgnData->rdh.nCount, (GLint*) lpRgnData->Buffer);
761 crFree(lpRgnData);
762 }
763 else crWarning("GetRegionData failed, VisibleRegions update failed");
764}
765
766static HRGN stubMakeRegionFromRects(PVBOXVIDEOCM_CMD_RECTS pRegions, uint32_t start)
767{
768 HRGN hRgn, hTmpRgn;
769 uint32_t i;
770
771 if (pRegions->RectsInfo.cRects<=start)
772 {
773 return INVALID_HANDLE_VALUE;
774 }
775
776 hRgn = CreateRectRgn(0, 0, 0, 0);
777 for (i=start; i<pRegions->RectsInfo.cRects; ++i)
778 {
779 hTmpRgn = CreateRectRgnIndirect(&pRegions->RectsInfo.aRects[i]);
780 CombineRgn(hRgn, hRgn, hTmpRgn, RGN_OR);
781 DeleteObject(hTmpRgn);
782 }
783 return hRgn;
784}
785
786# endif /* VBOX_WITH_WDDM */
787
788static void stubSyncTrCheckWindowsCB(unsigned long key, void *data1, void *data2)
789{
790 WindowInfo *pWindow = (WindowInfo *) data1;
791 (void) data2;
792
793 if (pWindow->type!=CHROMIUM || pWindow->spuWindow==0)
794 {
795 return;
796 }
797
798 stub.spu->dispatch_table.VBoxPackSetInjectID(pWindow->u32ClientID);
799
800 if (!stubSystemWindowExist(pWindow))
801 {
802#ifdef WINDOWS
803 stubDestroyWindow(0, (GLint)pWindow->hWnd);
804#else
805 stubDestroyWindow(0, (GLint)pWindow->drawable);
806#endif
807 /*No need to flush here as crWindowDestroy does it*/
808 return;
809 }
810
811#if defined(WINDOWS) && defined(VBOX_WITH_WDDM)
812 if (stub.bRunningUnderWDDM)
813 return;
814#endif
815 stubCheckWindowState(pWindow, GL_TRUE);
816}
817
818static DECLCALLBACK(int) stubSyncThreadProc(RTTHREAD ThreadSelf, void *pvUser)
819{
820#ifdef WINDOWS
821 MSG msg;
822# ifdef VBOX_WITH_WDDM
823 HMODULE hVBoxD3D = NULL;
824 GLint spuConnection = 0;
825# endif
826#endif
827
828 (void) pvUser;
829
830 crDebug("Sync thread started");
831#ifdef WINDOWS
832 PeekMessage(&msg, NULL, WM_USER, WM_USER, PM_NOREMOVE);
833# ifdef VBOX_WITH_WDDM
834 hVBoxD3D = NULL;
835 if (!GetModuleHandleEx(0, VBOX_MODNAME_DISPD3D, &hVBoxD3D))
836 {
837 crDebug("GetModuleHandleEx failed err %d", GetLastError());
838 hVBoxD3D = NULL;
839 }
840
841 if (hVBoxD3D)
842 {
843 crDebug("running with " VBOX_MODNAME_DISPD3D);
844 stub.trackWindowVisibleRgn = 0;
845 stub.bRunningUnderWDDM = true;
846 }
847# endif /* VBOX_WITH_WDDM */
848#endif /* WINDOWS */
849
850 crLockMutex(&stub.mutex);
851#if defined(WINDOWS) && defined(VBOX_WITH_WDDM)
852 spuConnection =
853#endif
854 stub.spu->dispatch_table.VBoxPackSetInjectThread(NULL);
855#if defined(WINDOWS) && defined(VBOX_WITH_WDDM)
856 if (stub.bRunningUnderWDDM && !spuConnection)
857 {
858 crError("VBoxPackSetInjectThread failed!");
859 }
860#endif
861 crUnlockMutex(&stub.mutex);
862
863 RTThreadUserSignal(ThreadSelf);
864
865 while(!stub.bShutdownSyncThread)
866 {
867#ifdef WINDOWS
868 if (!PeekMessage(&msg, 0, 0, 0, PM_REMOVE))
869 {
870# ifdef VBOX_WITH_WDDM
871 if (stub.bRunningUnderWDDM)
872 {
873
874 }
875 else
876# endif
877 {
878 crHashtableWalk(stub.windowTable, stubSyncTrCheckWindowsCB, NULL);
879 RTThreadSleep(50);
880 }
881 }
882 else
883 {
884 if (WM_QUIT==msg.message)
885 {
886 crDebug("Sync thread got WM_QUIT");
887 break;
888 }
889 else
890 {
891 TranslateMessage(&msg);
892 DispatchMessage(&msg);
893 }
894 }
895#else
896 /* Try to keep a consistent locking order. */
897 crHashtableLock(stub.windowTable);
898 crLockMutex(&stub.mutex);
899 crHashtableWalkUnlocked(stub.windowTable, stubSyncTrCheckWindowsCB, NULL);
900 crUnlockMutex(&stub.mutex);
901 crHashtableUnlock(stub.windowTable);
902 RTThreadSleep(50);
903#endif
904 }
905
906#ifdef VBOX_WITH_WDDM
907 if (spuConnection)
908 {
909 stub.spu->dispatch_table.VBoxConDestroy(spuConnection);
910 }
911 if (hVBoxD3D)
912 {
913 FreeLibrary(hVBoxD3D);
914 }
915#endif
916 crDebug("Sync thread stopped");
917 return 0;
918}
919#endif /* CR_NEWWINTRACK */
920
921/**
922 * Do one-time initializations for the faker.
923 * Returns TRUE on success, FALSE otherwise.
924 */
925static bool
926stubInitLocked(void)
927{
928 /* Here is where we contact the mothership to find out what we're supposed
929 * to be doing. Networking code in a DLL initializer. I sure hope this
930 * works :)
931 *
932 * HOW can I pass the mothership address to this if I already know it?
933 */
934
935 CRConnection *conn = NULL;
936 char response[1024];
937 char **spuchain;
938 int num_spus;
939 int *spu_ids;
940 char **spu_names;
941 const char *app_id;
942 int i;
943 int disable_sync = 0;
944#if defined(WINDOWS) && defined(VBOX_WITH_WDDM)
945 HMODULE hVBoxD3D = NULL;
946#endif
947
948 stubInitVars();
949
950 crGetProcName(response, 1024);
951 crDebug("Stub launched for %s", response);
952
953#if defined(CR_NEWWINTRACK) && !defined(WINDOWS)
954 /*@todo when vm boots with compiz turned on, new code causes hang in xcb_wait_for_reply in the sync thread
955 * as at the start compiz runs our code under XGrabServer.
956 */
957 if (!crStrcmp(response, "compiz") || !crStrcmp(response, "compiz_real") || !crStrcmp(response, "compiz.real")
958 || !crStrcmp(response, "compiz-bin"))
959 {
960 disable_sync = 1;
961 }
962#endif
963
964 /* @todo check if it'd be of any use on other than guests, no use for windows */
965 app_id = crGetenv( "CR_APPLICATION_ID_NUMBER" );
966
967 crNetInit( NULL, NULL );
968
969#ifndef WINDOWS
970 {
971 CRNetServer ns;
972
973 ns.name = "vboxhgcm://host:0";
974 ns.buffer_size = 1024;
975 crNetServerConnect(&ns
976#if defined(VBOX_WITH_CRHGSMI) && defined(IN_GUEST)
977 , NULL
978#endif
979 );
980 if (!ns.conn)
981 {
982 crWarning("Failed to connect to host. Make sure 3D acceleration is enabled for this VM.");
983 return false;
984 }
985 else
986 {
987 crNetFreeConnection(ns.conn);
988 }
989 }
990#endif
991
992 strcpy(response, "2 0 feedback 1 pack");
993 spuchain = crStrSplit( response, " " );
994 num_spus = crStrToInt( spuchain[0] );
995 spu_ids = (int *) crAlloc( num_spus * sizeof( *spu_ids ) );
996 spu_names = (char **) crAlloc( num_spus * sizeof( *spu_names ) );
997 for (i = 0 ; i < num_spus ; i++)
998 {
999 spu_ids[i] = crStrToInt( spuchain[2*i+1] );
1000 spu_names[i] = crStrdup( spuchain[2*i+2] );
1001 crDebug( "SPU %d/%d: (%d) \"%s\"", i+1, num_spus, spu_ids[i], spu_names[i] );
1002 }
1003
1004 stubSetDefaultConfigurationOptions();
1005
1006#if defined(WINDOWS) && defined(VBOX_WITH_WDDM)
1007 hVBoxD3D = NULL;
1008 if (!GetModuleHandleEx(0, VBOX_MODNAME_DISPD3D, &hVBoxD3D))
1009 {
1010 crDebug("GetModuleHandleEx failed err %d", GetLastError());
1011 hVBoxD3D = NULL;
1012 }
1013
1014 if (hVBoxD3D)
1015 {
1016 disable_sync = 1;
1017 crDebug("running with %s", VBOX_MODNAME_DISPD3D);
1018 stub.trackWindowVisibleRgn = 0;
1019 /* @todo: should we enable that? */
1020 stub.trackWindowSize = 0;
1021 stub.trackWindowPos = 0;
1022 stub.trackWindowVisibility = 0;
1023 stub.bRunningUnderWDDM = true;
1024 }
1025#endif
1026
1027 stub.spu = crSPULoadChain( num_spus, spu_ids, spu_names, stub.spu_dir, NULL );
1028
1029 crFree( spuchain );
1030 crFree( spu_ids );
1031 for (i = 0; i < num_spus; ++i)
1032 crFree(spu_names[i]);
1033 crFree( spu_names );
1034
1035 // spu chain load failed somewhere
1036 if (!stub.spu) {
1037 return false;
1038 }
1039
1040 crSPUInitDispatchTable( &glim );
1041
1042 /* This is unlikely to change -- We still want to initialize our dispatch
1043 * table with the functions of the first SPU in the chain. */
1044 stubInitSPUDispatch( stub.spu );
1045
1046 /* we need to plug one special stub function into the dispatch table */
1047 glim.GetChromiumParametervCR = stub_GetChromiumParametervCR;
1048
1049#if !defined(VBOX_NO_NATIVEGL)
1050 /* Load pointers to native OpenGL functions into stub.nativeDispatch */
1051 stubInitNativeDispatch();
1052#endif
1053
1054/*crDebug("stub init");
1055raise(SIGINT);*/
1056
1057#ifdef WINDOWS
1058# ifndef CR_NEWWINTRACK
1059 stubInstallWindowMessageHook();
1060# endif
1061#endif
1062
1063#ifdef CR_NEWWINTRACK
1064 {
1065 int rc;
1066
1067 RTR3InitDll(RTR3INIT_FLAGS_UNOBTRUSIVE);
1068
1069 if (!disable_sync)
1070 {
1071 crDebug("Starting sync thread");
1072
1073 rc = RTThreadCreate(&stub.hSyncThread, stubSyncThreadProc, NULL, 0, RTTHREADTYPE_DEFAULT, RTTHREADFLAGS_WAITABLE, "Sync");
1074 if (RT_FAILURE(rc))
1075 {
1076 crError("Failed to start sync thread! (%x)", rc);
1077 }
1078 RTThreadUserWait(stub.hSyncThread, 60 * 1000);
1079 RTThreadUserReset(stub.hSyncThread);
1080
1081 crDebug("Going on");
1082 }
1083 }
1084#endif
1085
1086#ifdef GLX
1087 stub.xshmSI.shmid = -1;
1088 stub.bShmInitFailed = GL_FALSE;
1089 stub.pGLXPixmapsHash = crAllocHashtable();
1090
1091 stub.bXExtensionsChecked = GL_FALSE;
1092 stub.bHaveXComposite = GL_FALSE;
1093 stub.bHaveXFixes = GL_FALSE;
1094#endif
1095
1096 return true;
1097}
1098
1099/**
1100 * Do one-time initializations for the faker.
1101 * Returns TRUE on success, FALSE otherwise.
1102 */
1103bool
1104stubInit(void)
1105{
1106 bool bRc = true;
1107 /* we need to serialize the initialization, otherwise racing is possible
1108 * for XPDM-based d3d when a d3d switcher is testing the gl lib in two or more threads
1109 * NOTE: the STUB_INIT_LOCK/UNLOCK is a NOP for non-win currently */
1110 STUB_INIT_LOCK();
1111 if (!stub_initialized)
1112 bRc = stub_initialized = stubInitLocked();
1113 STUB_INIT_UNLOCK();
1114 return bRc;
1115}
1116
1117/* Sigh -- we can't do initialization at load time, since Windows forbids
1118 * the loading of other libraries from DLLMain. */
1119
1120#ifdef LINUX
1121/* GCC crap
1122 *void (*stub_init_ptr)(void) __attribute__((section(".ctors"))) = __stubInit; */
1123#endif
1124
1125#ifdef WINDOWS
1126#define WIN32_LEAN_AND_MEAN
1127#include <windows.h>
1128
1129#if 1//def DEBUG_misha
1130 /* debugging: this is to be able to catch first-chance notifications
1131 * for exceptions other than EXCEPTION_BREAKPOINT in kernel debugger */
1132# define VDBG_VEHANDLER
1133#endif
1134
1135#ifdef VDBG_VEHANDLER
1136# include <dbghelp.h>
1137static PVOID g_VBoxVehHandler = NULL;
1138static DWORD g_VBoxVehEnable = 0;
1139
1140/* generate a crash dump on exception */
1141#define VBOXVEH_F_DUMP 0x00000001
1142/* generate a debugger breakpoint exception */
1143#define VBOXVEH_F_BREAK 0x00000002
1144/* exit on exception */
1145#define VBOXVEH_F_EXIT 0x00000004
1146
1147static DWORD g_VBoxVehFlags = 0
1148#ifdef DEBUG_misha
1149 | VBOXVEH_F_BREAK
1150#else
1151 | VBOXVEH_F_DUMP
1152#endif
1153 ;
1154
1155typedef BOOL WINAPI FNVBOXDBG_MINIDUMPWRITEDUMP(HANDLE hProcess,
1156 DWORD ProcessId,
1157 HANDLE hFile,
1158 MINIDUMP_TYPE DumpType,
1159 PMINIDUMP_EXCEPTION_INFORMATION ExceptionParam,
1160 PMINIDUMP_USER_STREAM_INFORMATION UserStreamParam,
1161 PMINIDUMP_CALLBACK_INFORMATION CallbackParam);
1162typedef FNVBOXDBG_MINIDUMPWRITEDUMP *PFNVBOXDBG_MINIDUMPWRITEDUMP;
1163
1164static HMODULE g_hVBoxMdDbgHelp = NULL;
1165static PFNVBOXDBG_MINIDUMPWRITEDUMP g_pfnVBoxMdMiniDumpWriteDump = NULL;
1166static uint32_t g_cVBoxMdFilePrefixLen = 0;
1167static WCHAR g_aszwVBoxMdFilePrefix[MAX_PATH];
1168static WCHAR g_aszwVBoxMdDumpCount = 0;
1169static MINIDUMP_TYPE g_enmVBoxMdDumpType = MiniDumpNormal
1170 | MiniDumpWithDataSegs
1171 | MiniDumpWithFullMemory
1172 | MiniDumpWithHandleData
1173//// | MiniDumpFilterMemory
1174//// | MiniDumpScanMemory
1175// | MiniDumpWithUnloadedModules
1176//// | MiniDumpWithIndirectlyReferencedMemory
1177//// | MiniDumpFilterModulePaths
1178// | MiniDumpWithProcessThreadData
1179// | MiniDumpWithPrivateReadWriteMemory
1180//// | MiniDumpWithoutOptionalData
1181// | MiniDumpWithFullMemoryInfo
1182// | MiniDumpWithThreadInfo
1183// | MiniDumpWithCodeSegs
1184// | MiniDumpWithFullAuxiliaryState
1185// | MiniDumpWithPrivateWriteCopyMemory
1186// | MiniDumpIgnoreInaccessibleMemory
1187// | MiniDumpWithTokenInformation
1188//// | MiniDumpWithModuleHeaders
1189//// | MiniDumpFilterTriage
1190 ;
1191
1192
1193
1194#define VBOXMD_DUMP_DIR_PREFIX_DEFAULT L"C:\\dumps\\vboxdmp"
1195
1196static HMODULE loadSystemDll(const char *pszName)
1197{
1198 char szPath[MAX_PATH];
1199 UINT cchPath = GetSystemDirectoryA(szPath, sizeof(szPath));
1200 size_t cbName = strlen(pszName) + 1;
1201 if (cchPath + 1 + cbName > sizeof(szPath))
1202 {
1203 SetLastError(ERROR_FILENAME_EXCED_RANGE);
1204 return NULL;
1205 }
1206 szPath[cchPath] = '\\';
1207 memcpy(&szPath[cchPath + 1], pszName, cbName);
1208 return LoadLibraryA(szPath);
1209}
1210
1211static DWORD vboxMdMinidumpCreate(struct _EXCEPTION_POINTERS *pExceptionInfo)
1212{
1213 WCHAR aszwMdFileName[MAX_PATH];
1214 HANDLE hProcess = GetCurrentProcess();
1215 DWORD ProcessId = GetCurrentProcessId();
1216 MINIDUMP_EXCEPTION_INFORMATION ExceptionInfo;
1217 HANDLE hFile;
1218 DWORD winErr = ERROR_SUCCESS;
1219
1220 if (!g_pfnVBoxMdMiniDumpWriteDump)
1221 {
1222 if (!g_hVBoxMdDbgHelp)
1223 {
1224 g_hVBoxMdDbgHelp = loadSystemDll("DbgHelp.dll");
1225 if (!g_hVBoxMdDbgHelp)
1226 return GetLastError();
1227 }
1228
1229 g_pfnVBoxMdMiniDumpWriteDump = (PFNVBOXDBG_MINIDUMPWRITEDUMP)GetProcAddress(g_hVBoxMdDbgHelp, "MiniDumpWriteDump");
1230 if (!g_pfnVBoxMdMiniDumpWriteDump)
1231 return GetLastError();
1232 }
1233
1234 /* @todo: this is a tmp stuff until we get that info from the settings properly */
1235 if (!g_cVBoxMdFilePrefixLen)
1236 {
1237 g_cVBoxMdFilePrefixLen = sizeof (VBOXMD_DUMP_DIR_PREFIX_DEFAULT)/sizeof (g_aszwVBoxMdFilePrefix[0]) - 1 /* <- don't include nul terminator */;
1238 memcpy(g_aszwVBoxMdFilePrefix, VBOXMD_DUMP_DIR_PREFIX_DEFAULT, sizeof (VBOXMD_DUMP_DIR_PREFIX_DEFAULT));
1239 }
1240
1241
1242 if (RT_ELEMENTS(aszwMdFileName) <= g_cVBoxMdFilePrefixLen)
1243 {
1244 return ERROR_INVALID_STATE;
1245 }
1246
1247 ++g_aszwVBoxMdDumpCount;
1248
1249 memcpy(aszwMdFileName, g_aszwVBoxMdFilePrefix, g_cVBoxMdFilePrefixLen * sizeof (g_aszwVBoxMdFilePrefix[0]));
1250 swprintf(aszwMdFileName + g_cVBoxMdFilePrefixLen, RT_ELEMENTS(aszwMdFileName) - g_cVBoxMdFilePrefixLen, L"%d_%d.dmp", ProcessId, g_aszwVBoxMdDumpCount);
1251
1252 hFile = CreateFileW(aszwMdFileName, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
1253 if (hFile == INVALID_HANDLE_VALUE)
1254 return GetLastError();
1255
1256 ExceptionInfo.ThreadId = GetCurrentThreadId();
1257 ExceptionInfo.ExceptionPointers = pExceptionInfo;
1258 ExceptionInfo.ClientPointers = FALSE;
1259
1260 if (!g_pfnVBoxMdMiniDumpWriteDump(hProcess, ProcessId, hFile, g_enmVBoxMdDumpType, &ExceptionInfo, NULL, NULL))
1261 winErr = GetLastError();
1262
1263 CloseHandle(hFile);
1264 return winErr;
1265}
1266
1267LONG WINAPI vboxVDbgVectoredHandler(struct _EXCEPTION_POINTERS *pExceptionInfo)
1268{
1269 PEXCEPTION_RECORD pExceptionRecord = pExceptionInfo->ExceptionRecord;
1270 PCONTEXT pContextRecord = pExceptionInfo->ContextRecord;
1271 switch (pExceptionRecord->ExceptionCode)
1272 {
1273 case EXCEPTION_BREAKPOINT:
1274 case EXCEPTION_ACCESS_VIOLATION:
1275 case EXCEPTION_STACK_OVERFLOW:
1276 case EXCEPTION_ARRAY_BOUNDS_EXCEEDED:
1277 case EXCEPTION_FLT_DIVIDE_BY_ZERO:
1278 case EXCEPTION_FLT_INVALID_OPERATION:
1279 case EXCEPTION_INT_DIVIDE_BY_ZERO:
1280 case EXCEPTION_ILLEGAL_INSTRUCTION:
1281 if (g_VBoxVehFlags & VBOXVEH_F_BREAK)
1282 {
1283 BOOL fBreak = TRUE;
1284#ifndef DEBUG_misha
1285 if (pExceptionRecord->ExceptionCode == EXCEPTION_BREAKPOINT)
1286 {
1287 HANDLE hProcess = GetCurrentProcess();
1288 BOOL fDebuggerPresent = FALSE;
1289 /* we do not want to generate breakpoint exceptions recursively, so do it only when running under debugger */
1290 if (CheckRemoteDebuggerPresent(hProcess, &fDebuggerPresent))
1291 fBreak = !!fDebuggerPresent;
1292 else
1293 fBreak = FALSE; /* <- the function has failed, don't break for sanity */
1294 }
1295#endif
1296
1297 if (fBreak)
1298 {
1299 RT_BREAKPOINT();
1300 }
1301 }
1302
1303 if (g_VBoxVehFlags & VBOXVEH_F_DUMP)
1304 vboxMdMinidumpCreate(pExceptionInfo);
1305
1306 if (g_VBoxVehFlags & VBOXVEH_F_EXIT)
1307 exit(1);
1308 break;
1309 default:
1310 break;
1311 }
1312 return EXCEPTION_CONTINUE_SEARCH;
1313}
1314
1315void vboxVDbgVEHandlerRegister()
1316{
1317 CRASSERT(!g_VBoxVehHandler);
1318 g_VBoxVehHandler = AddVectoredExceptionHandler(1,vboxVDbgVectoredHandler);
1319 CRASSERT(g_VBoxVehHandler);
1320}
1321
1322void vboxVDbgVEHandlerUnregister()
1323{
1324 ULONG uResult;
1325 if (g_VBoxVehHandler)
1326 {
1327 uResult = RemoveVectoredExceptionHandler(g_VBoxVehHandler);
1328 CRASSERT(uResult);
1329 g_VBoxVehHandler = NULL;
1330 }
1331}
1332#endif
1333
1334/* Windows crap */
1335BOOL WINAPI DllMain(HINSTANCE hDLLInst, DWORD fdwReason, LPVOID lpvReserved)
1336{
1337 (void) lpvReserved;
1338
1339 switch (fdwReason)
1340 {
1341 case DLL_PROCESS_ATTACH:
1342 {
1343 CRNetServer ns;
1344
1345#ifdef CHROMIUM_THREADSAFE
1346 crInitTSD(&g_stubCurrentContextTSD);
1347#endif
1348
1349 crInitMutex(&stub_init_mutex);
1350
1351#ifdef VDBG_VEHANDLER
1352 g_VBoxVehEnable = !!crGetenv("CR_DBG_VEH_ENABLE");
1353# ifdef DEBUG_misha
1354 g_VBoxVehEnable = 1;
1355# endif
1356 if (g_VBoxVehEnable)
1357 vboxVDbgVEHandlerRegister();
1358#endif
1359
1360 crNetInit(NULL, NULL);
1361 ns.name = "vboxhgcm://host:0";
1362 ns.buffer_size = 1024;
1363 crNetServerConnect(&ns
1364#if defined(VBOX_WITH_CRHGSMI) && defined(IN_GUEST)
1365 , NULL
1366#endif
1367);
1368 if (!ns.conn)
1369 {
1370 crDebug("Failed to connect to host (is guest 3d acceleration enabled?), aborting ICD load.");
1371#ifdef VDBG_VEHANDLER
1372 if (g_VBoxVehEnable)
1373 vboxVDbgVEHandlerUnregister();
1374#endif
1375 return FALSE;
1376 }
1377 else
1378 {
1379 crNetFreeConnection(ns.conn);
1380 }
1381
1382 break;
1383 }
1384
1385 case DLL_PROCESS_DETACH:
1386 {
1387 /* do exactly the same thing as for DLL_THREAD_DETACH since
1388 * DLL_THREAD_DETACH is not called for the thread doing DLL_PROCESS_DETACH according to msdn docs */
1389 stubSetCurrentContext(NULL);
1390 if (stub_initialized)
1391 {
1392 CRASSERT(stub.spu);
1393 stub.spu->dispatch_table.VBoxDetachThread();
1394 }
1395
1396 stubSPUSafeTearDown();
1397
1398#ifdef CHROMIUM_THREADSAFE
1399 crFreeTSD(&g_stubCurrentContextTSD);
1400#endif
1401
1402#ifdef VDBG_VEHANDLER
1403 if (g_VBoxVehEnable)
1404 vboxVDbgVEHandlerUnregister();
1405#endif
1406 break;
1407 }
1408
1409 case DLL_THREAD_ATTACH:
1410 {
1411 if (stub_initialized)
1412 {
1413 CRASSERT(stub.spu);
1414 stub.spu->dispatch_table.VBoxAttachThread();
1415 }
1416 break;
1417 }
1418
1419 case DLL_THREAD_DETACH:
1420 {
1421 stubSetCurrentContext(NULL);
1422 if (stub_initialized)
1423 {
1424 CRASSERT(stub.spu);
1425 stub.spu->dispatch_table.VBoxDetachThread();
1426 }
1427 break;
1428 }
1429
1430 default:
1431 break;
1432 }
1433
1434 return TRUE;
1435}
1436#endif
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