server_main.c@ 21028

Last change on this file since 21028 was 21028, checked in by vboxsync, 15 years ago
crOpenGL: move warning to debug message
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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 "server.h"
8	#include "cr_net.h"
9	#include "cr_unpack.h"
10	#include "cr_error.h"
11	#include "cr_glstate.h"
12	#include "cr_string.h"
13	#include "cr_mem.h"
14	#include "cr_hash.h"
15	#include "server_dispatch.h"
16	#include "state/cr_texture.h"
17	#include <signal.h>
18	#include <stdlib.h>
19	#define DEBUG_FP_EXCEPTIONS 0
20	#if DEBUG_FP_EXCEPTIONS
21	#include <fpu_control.h>
22	#include <math.h>
23	#endif
24	#include <iprt/assert.h>
25
26	/**
27	* \mainpage CrServerLib
28	*
29	* \section CrServerLibIntroduction Introduction
30	*
31	* Chromium consists of all the top-level files in the cr
32	* directory. The core module basically takes care of API dispatch,
33	* and OpenGL state management.
34	*/
35
36
37	/**
38	* CRServer global data
39	*/
40	CRServer cr_server;
41
42	int tearingdown = 0; /* can't be static */
43
44
45	/**
46	* Return pointer to server's first SPU.
47	*/
48	SPU*
49	crServerHeadSPU(void)
50	{
51	return cr_server.head_spu;
52	}
53
54
55
56	static void DeleteBarrierCallback( void *data )
57	{
58	CRServerBarrier barrier = (CRServerBarrier ) data;
59	crFree(barrier->waiting);
60	crFree(barrier);
61	}
62
63
64	static void deleteContextCallback( void *data )
65	{
66	CRContext c = (CRContext ) data;
67	crStateDestroyContext(c);
68	}
69
70
71	static void crServerTearDown( void )
72	{
73	GLint i;
74
75	/* avoid a race condition */
76	if (tearingdown)
77	return;
78
79	tearingdown = 1;
80
81	crStateSetCurrent( NULL );
82
83	cr_server.curClient = NULL;
84	cr_server.run_queue = NULL;
85
86	crFree( cr_server.overlap_intens );
87	cr_server.overlap_intens = NULL;
88
89	/* Deallocate all semaphores */
90	crFreeHashtable(cr_server.semaphores, crFree);
91	cr_server.semaphores = NULL;
92
93	/* Deallocate all barriers */
94	crFreeHashtable(cr_server.barriers, DeleteBarrierCallback);
95	cr_server.barriers = NULL;
96
97	/* Free all context info */
98	crFreeHashtable(cr_server.contextTable, deleteContextCallback);
99
100	/* Free context/window creation info */
101	crFreeHashtable(cr_server.pContextCreateInfoTable, crServerCreateInfoDeleteCB);
102	crFreeHashtable(cr_server.pWindowCreateInfoTable, crServerCreateInfoDeleteCB);
103
104	/* Free vertex programs */
105	crFreeHashtable(cr_server.programTable, crFree);
106
107	for (i = 0; i < cr_server.numClients; i++) {
108	if (cr_server.clients[i]) {
109	CRConnection *conn = cr_server.clients[i]->conn;
110	crNetFreeConnection(conn);
111	crFree(cr_server.clients[i]);
112	}
113	}
114	cr_server.numClients = 0;
115
116	#if 1
117	/* disable these two lines if trying to get stack traces with valgrind */
118	crSPUUnloadChain(cr_server.head_spu);
119	cr_server.head_spu = NULL;
120	#endif
121	}
122
123	static void crServerClose( unsigned int id )
124	{
125	crError( "Client disconnected!" );
126	(void) id;
127	}
128
129	static void crServerCleanup( int sigio )
130	{
131	crServerTearDown();
132
133	tearingdown = 0;
134	}
135
136
137	void
138	crServerSetPort(int port)
139	{
140	cr_server.tcpip_port = port;
141	}
142
143
144
145	static void
146	crPrintHelp(void)
147	{
148	printf("Usage: crserver [OPTIONS]\n");
149	printf("Options:\n");
150	printf(" -mothership URL Specifies URL for contacting the mothership.\n");
151	printf(" URL is of the form [protocol://]hostname[:port]\n");
152	printf(" -port N Specifies the port number this server will listen to.\n");
153	printf(" -help Prints this information.\n");
154	}
155
156
157	/**
158	* Do CRServer initializations. After this, we can begin servicing clients.
159	*/
160	void
161	crServerInit(int argc, char *argv[])
162	{
163	int i;
164	char *mothership = NULL;
165	CRMuralInfo *defaultMural;
166
167	for (i = 1 ; i < argc ; i++)
168	{
169	if (!crStrcmp( argv[i], "-mothership" ))
170	{
171	if (i == argc - 1)
172	{
173	crError( "-mothership requires an argument" );
174	}
175	mothership = argv[i+1];
176	i++;
177	}
178	else if (!crStrcmp( argv[i], "-port" ))
179	{
180	/* This is the port on which we'll accept client connections */
181	if (i == argc - 1)
182	{
183	crError( "-port requires an argument" );
184	}
185	cr_server.tcpip_port = crStrToInt(argv[i+1]);
186	i++;
187	}
188	else if (!crStrcmp( argv[i], "-vncmode" ))
189	{
190	cr_server.vncMode = 1;
191	}
192	else if (!crStrcmp( argv[i], "-help" ))
193	{
194	crPrintHelp();
195	exit(0);
196	}
197	}
198
199	signal( SIGTERM, crServerCleanup );
200	signal( SIGINT, crServerCleanup );
201	#ifndef WINDOWS
202	signal( SIGPIPE, SIG_IGN );
203	#endif
204
205	#if DEBUG_FP_EXCEPTIONS
206	{
207	fpu_control_t mask;
208	_FPU_GETCW(mask);
209	mask &= ~(_FPU_MASK_IM \| _FPU_MASK_DM \| _FPU_MASK_ZM
210	\| _FPU_MASK_OM \| _FPU_MASK_UM);
211	_FPU_SETCW(mask);
212	}
213	#endif
214
215	cr_server.firstCallCreateContext = GL_TRUE;
216	cr_server.firstCallMakeCurrent = GL_TRUE;
217
218	/*
219	* Create default mural info and hash table.
220	*/
221	cr_server.muralTable = crAllocHashtable();
222	defaultMural = (CRMuralInfo *) crCalloc(sizeof(CRMuralInfo));
223	crHashtableAdd(cr_server.muralTable, 0, defaultMural);
224
225	cr_server.programTable = crAllocHashtable();
226
227	crNetInit(crServerRecv, crServerClose);
228	crStateInit();
229
230	crServerSetVBoxConfiguration();
231
232	crStateLimitsInit( &(cr_server.limits) );
233
234	/*
235	* Default context
236	*/
237	cr_server.contextTable = crAllocHashtable();
238	cr_server.DummyContext = crStateCreateContext( &cr_server.limits,
239	CR_RGB_BIT \| CR_DEPTH_BIT, NULL );
240	cr_server.curClient->currentCtx = cr_server.DummyContext;
241
242	crServerInitDispatch();
243	crStateDiffAPI( &(cr_server.head_spu->dispatch_table) );
244
245	crUnpackSetReturnPointer( &(cr_server.return_ptr) );
246	crUnpackSetWritebackPointer( &(cr_server.writeback_ptr) );
247
248	cr_server.barriers = crAllocHashtable();
249	cr_server.semaphores = crAllocHashtable();
250	}
251
252	void crVBoxServerTearDown(void)
253	{
254	crServerTearDown();
255	}
256
257	/**
258	* Do CRServer initializations. After this, we can begin servicing clients.
259	*/
260	GLboolean crVBoxServerInit(void)
261	{
262	CRMuralInfo *defaultMural;
263
264	#if DEBUG_FP_EXCEPTIONS
265	{
266	fpu_control_t mask;
267	_FPU_GETCW(mask);
268	mask &= ~(_FPU_MASK_IM \| _FPU_MASK_DM \| _FPU_MASK_ZM
269	\| _FPU_MASK_OM \| _FPU_MASK_UM);
270	_FPU_SETCW(mask);
271	}
272	#endif
273
274	crNetInit(crServerRecv, crServerClose);
275
276	cr_server.firstCallCreateContext = GL_TRUE;
277	cr_server.firstCallMakeCurrent = GL_TRUE;
278
279	cr_server.bIsInLoadingState = GL_FALSE;
280	cr_server.bIsInSavingState = GL_FALSE;
281
282	/*
283	* Create default mural info and hash table.
284	*/
285	cr_server.muralTable = crAllocHashtable();
286	defaultMural = (CRMuralInfo *) crCalloc(sizeof(CRMuralInfo));
287	crHashtableAdd(cr_server.muralTable, 0, defaultMural);
288
289	cr_server.programTable = crAllocHashtable();
290
291	crStateInit();
292
293	crStateLimitsInit( &(cr_server.limits) );
294
295	cr_server.barriers = crAllocHashtable();
296	cr_server.semaphores = crAllocHashtable();
297
298	crUnpackSetReturnPointer( &(cr_server.return_ptr) );
299	crUnpackSetWritebackPointer( &(cr_server.writeback_ptr) );
300
301	/*
302	* Default context
303	*/
304	cr_server.contextTable = crAllocHashtable();
305	cr_server.DummyContext = crStateCreateContext( &cr_server.limits,
306	CR_RGB_BIT \| CR_DEPTH_BIT, NULL );
307	cr_server.pContextCreateInfoTable = crAllocHashtable();
308	cr_server.pWindowCreateInfoTable = crAllocHashtable();
309
310	crServerSetVBoxConfigurationHGCM();
311
312	if (!cr_server.head_spu)
313	return GL_FALSE;
314
315	crServerInitDispatch();
316	crStateDiffAPI( &(cr_server.head_spu->dispatch_table) );
317
318	return GL_TRUE;
319	}
320
321	void crVBoxServerAddClient(uint32_t u32ClientID)
322	{
323	CRClient newClient = (CRClient ) crCalloc(sizeof(CRClient));
324
325	crDebug("crServer: AddClient u32ClientID=%d", u32ClientID);
326
327	newClient->spu_id = 0;
328	newClient->currentCtx = cr_server.DummyContext;
329	newClient->currentContextNumber = -1;
330	newClient->conn = crNetAcceptClient(cr_server.protocol, NULL,
331	cr_server.tcpip_port,
332	cr_server.mtu, 0);
333	newClient->conn->u32ClientID = u32ClientID;
334
335	cr_server.clients[cr_server.numClients++] = newClient;
336
337	crServerAddToRunQueue(newClient);
338	}
339
340	void crVBoxServerRemoveClient(uint32_t u32ClientID)
341	{
342	CRClient *pClient;
343	int32_t i;
344
345	crDebug("crServer: RemoveClient u32ClientID=%d", u32ClientID);
346
347	for (i = 0; i < cr_server.numClients; i++)
348	{
349	if (cr_server.clients[i] && cr_server.clients[i]->conn
350	&& cr_server.clients[i]->conn->u32ClientID==u32ClientID)
351	{
352	break;
353	}
354	}
355	pClient = cr_server.clients[i];
356	CRASSERT(pClient);
357
358	/* Disconnect the client */
359	pClient->conn->Disconnect(pClient->conn);
360
361	/* Let server clear client from the queue */
362	crServerDeleteClient(pClient);
363	}
364
365	void crVBoxServerClientWrite(uint32_t u32ClientID, uint8_t *pBuffer, uint32_t cbBuffer)
366	{
367	CRClient *pClient;
368	int32_t i;
369
370	//crDebug("crServer: [%x] ClientWrite u32ClientID=%d", crThreadID(), u32ClientID);
371
372	for (i = 0; i < cr_server.numClients; i++)
373	{
374	if (cr_server.clients[i] && cr_server.clients[i]->conn
375	&& cr_server.clients[i]->conn->u32ClientID==u32ClientID)
376	{
377	break;
378	}
379	}
380	pClient = cr_server.clients[i];
381	CRASSERT(pClient);
382
383	CRASSERT(pBuffer);
384
385	/* This should never fire unless we start to multithread */
386	CRASSERT(pClient->conn->pBuffer==NULL && pClient->conn->cbBuffer==0);
387
388	/* Check if there's a blocker in queue and it's not this client */
389	if (cr_server.run_queue->client != pClient
390	&& crServerClientInBeginEnd(cr_server.run_queue->client))
391	{
392	crDebug("crServer: client %d blocked, allow_redir_ptr = 0", u32ClientID);
393	pClient->conn->allow_redir_ptr = 0;
394	}
395	else
396	{
397	pClient->conn->allow_redir_ptr = 1;
398	}
399
400	pClient->conn->pBuffer = pBuffer;
401	pClient->conn->cbBuffer = cbBuffer;
402
403	crNetRecv();
404	CRASSERT(pClient->conn->pBuffer==NULL && pClient->conn->cbBuffer==0);
405
406	crServerServiceClients();
407
408	#if 0
409	if (pClient->currentMural) {
410	crStateViewport( 0, 0, 500, 500 );
411	pClient->currentMural->viewportValidated = GL_FALSE;
412	cr_server.head_spu->dispatch_table.Viewport( 0, 0, 500, 500 );
413	crStateViewport( 0, 0, 600, 600 );
414	pClient->currentMural->viewportValidated = GL_FALSE;
415	cr_server.head_spu->dispatch_table.Viewport( 0, 0, 600, 600 );
416
417	crStateMatrixMode(GL_PROJECTION);
418	cr_server.head_spu->dispatch_table.MatrixMode(GL_PROJECTION);
419	crServerDispatchLoadIdentity();
420	crStateFrustum(-0.6, 0.6, -0.5, 0.5, 1.5, 150.0);
421	cr_server.head_spu->dispatch_table.Frustum(-0.6, 0.6, -0.5, 0.5, 1.5, 150.0);
422	crServerDispatchLoadIdentity();
423	crStateFrustum(-0.5, 0.5, -0.5, 0.5, 1.5, 150.0);
424	cr_server.head_spu->dispatch_table.Frustum(-0.5, 0.5, -0.5, 0.5, 1.5, 150.0);
425
426	crStateMatrixMode(GL_MODELVIEW);
427	cr_server.head_spu->dispatch_table.MatrixMode(GL_MODELVIEW);
428	crServerDispatchLoadIdentity();
429	crStateFrustum(-0.5, 0.5, -0.5, 0.5, 1.5, 150.0);
430	cr_server.head_spu->dispatch_table.Frustum(-0.5, 0.5, -0.5, 0.5, 1.5, 150.0);
431	crServerDispatchLoadIdentity();
432	}
433	#endif
434
435	crStateResetCurrentPointers(&cr_server.current);
436
437	CRASSERT(!pClient->conn->allow_redir_ptr \|\| crNetNumMessages(pClient->conn)==0);
438	}
439
440	int32_t crVBoxServerClientRead(uint32_t u32ClientID, uint8_t pBuffer, uint32_t pcbBuffer)
441	{
442	CRClient *pClient;
443	int32_t i;
444
445	//crDebug("crServer: [%x] ClientRead u32ClientID=%d", crThreadID(), u32ClientID);
446
447	for (i = 0; i < cr_server.numClients; i++)
448	{
449	if (cr_server.clients[i] && cr_server.clients[i]->conn
450	&& cr_server.clients[i]->conn->u32ClientID==u32ClientID)
451	{
452	break;
453	}
454	}
455	pClient = cr_server.clients[i];
456	CRASSERT(pClient);
457
458	if (pClient->conn->cbHostBuffer > *pcbBuffer)
459	{
460	crDebug("crServer: [%lx] ClientRead u32ClientID=%d FAIL, host buffer too small %d of %d",
461	crThreadID(), u32ClientID, *pcbBuffer, pClient->conn->cbHostBuffer);
462
463	/* Return the size of needed buffer */
464	*pcbBuffer = pClient->conn->cbHostBuffer;
465
466	return VERR_BUFFER_OVERFLOW;
467	}
468
469	*pcbBuffer = pClient->conn->cbHostBuffer;
470
471	if (*pcbBuffer)
472	{
473	CRASSERT(pClient->conn->pHostBuffer);
474
475	crMemcpy(pBuffer, pClient->conn->pHostBuffer, *pcbBuffer);
476	pClient->conn->cbHostBuffer = 0;
477	}
478
479	return VINF_SUCCESS;
480	}
481
482	int
483	CRServerMain(int argc, char *argv[])
484	{
485	crServerInit(argc, argv);
486
487	crServerSerializeRemoteStreams();
488
489	crServerTearDown();
490
491	tearingdown = 0;
492
493	return 0;
494	}
495
496	static void crVBoxServerSaveMuralCB(unsigned long key, void data1, void data2)
497	{
498	CRMuralInfo pMI = (CRMuralInfo) data1;
499	PSSMHANDLE pSSM = (PSSMHANDLE) data2;
500	int32_t rc;
501
502	CRASSERT(pMI && pSSM);
503
504	/* Don't store default mural */
505	if (!key) return;
506
507	rc = SSMR3PutMem(pSSM, &key, sizeof(key));
508	CRASSERT(rc == VINF_SUCCESS);
509
510	rc = SSMR3PutMem(pSSM, pMI, sizeof(*pMI));
511	CRASSERT(rc == VINF_SUCCESS);
512	}
513
514	/* @todo add hashtable walker with result info and intermediate abort */
515	static void crVBoxServerSaveCreateInfoCB(unsigned long key, void data1, void data2)
516	{
517	CRCreateInfo_t pCreateInfo = (CRCreateInfo_t ) data1;
518	PSSMHANDLE pSSM = (PSSMHANDLE) data2;
519	int32_t rc;
520
521	CRASSERT(pCreateInfo && pSSM);
522
523	rc = SSMR3PutMem(pSSM, &key, sizeof(key));
524	CRASSERT(rc == VINF_SUCCESS);
525
526	rc = SSMR3PutMem(pSSM, pCreateInfo, sizeof(*pCreateInfo));
527	CRASSERT(rc == VINF_SUCCESS);
528
529	if (pCreateInfo->pszDpyName)
530	{
531	rc = SSMR3PutStrZ(pSSM, pCreateInfo->pszDpyName);
532	CRASSERT(rc == VINF_SUCCESS);
533	}
534	}
535
536	static void crVBoxServerSyncTextureCB(unsigned long key, void data1, void data2)
537	{
538	CRTextureObj pTexture = (CRTextureObj ) data1;
539	CRContext pContext = (CRContext ) data2;
540
541	CRASSERT(pTexture && pContext);
542	crStateTextureObjectDiff(pContext, NULL, NULL, pTexture, GL_TRUE);
543	}
544
545	static void crVBoxServerSaveContextStateCB(unsigned long key, void data1, void data2)
546	{
547	CRContext pContext = (CRContext ) data1;
548	PSSMHANDLE pSSM = (PSSMHANDLE) data2;
549	int32_t rc;
550
551	CRASSERT(pContext && pSSM);
552
553	/* We could have skipped saving the key and use similar callback to load context states back,
554	* but there's no guarantee we'd traverse hashtable in same order after loading.
555	*/
556	rc = SSMR3PutMem(pSSM, &key, sizeof(key));
557	CRASSERT(rc == VINF_SUCCESS);
558
559	#ifdef CR_STATE_NO_TEXTURE_IMAGE_STORE
560	if (cr_server.curClient)
561	{
562	crServerDispatchMakeCurrent(cr_server.curClient->currentWindow, 0, pContext->id);
563	}
564	#endif
565
566	rc = crStateSaveContext(pContext, pSSM);
567	CRASSERT(rc == VINF_SUCCESS);
568	}
569
570	static uint32_t g_hackVBoxServerSaveLoadCallsLeft = 0;
571
572	DECLEXPORT(int32_t) crVBoxServerSaveState(PSSMHANDLE pSSM)
573	{
574	int32_t rc, i;
575	uint32_t ui32;
576	GLboolean b;
577	unsigned long key;
578	#ifdef CR_STATE_NO_TEXTURE_IMAGE_STORE
579	unsigned long ctxID=-1, winID=-1;
580	#endif
581
582	/* We shouldn't be called if there's no clients at all*/
583	CRASSERT(cr_server.numClients>0);
584
585	/* @todo it's hack atm */
586	/* We want to be called only once to save server state but atm we're being called from svcSaveState
587	* for every connected client (e.g. guest opengl application)
588	*/
589	if (!cr_server.bIsInSavingState) /* It's first call */
590	{
591	cr_server.bIsInSavingState = GL_TRUE;
592
593	/* Store number of clients */
594	rc = SSMR3PutU32(pSSM, (uint32_t) cr_server.numClients);
595	AssertRCReturn(rc, rc);
596
597	g_hackVBoxServerSaveLoadCallsLeft = cr_server.numClients;
598	}
599
600	g_hackVBoxServerSaveLoadCallsLeft--;
601
602	/* Do nothing untill we're being called last time */
603	if (g_hackVBoxServerSaveLoadCallsLeft>0)
604	{
605	return VINF_SUCCESS;
606	}
607
608	/* Save rendering contexts creation info */
609	ui32 = crHashtableNumElements(cr_server.pContextCreateInfoTable);
610	rc = SSMR3PutU32(pSSM, (uint32_t) ui32);
611	AssertRCReturn(rc, rc);
612	crHashtableWalk(cr_server.pContextCreateInfoTable, crVBoxServerSaveCreateInfoCB, pSSM);
613
614	#ifdef CR_STATE_NO_TEXTURE_IMAGE_STORE
615	/* Save current win and ctx IDs, as we'd rebind contexts when saving textures */
616	if (cr_server.curClient)
617	{
618	ctxID = cr_server.curClient->currentContextNumber;
619	winID = cr_server.curClient->currentWindow;
620	}
621	#endif
622
623	/* Save contexts state tracker data */
624	/* @todo For now just some blind data dumps,
625	* but I've a feeling those should be saved/restored in a very strict sequence to
626	* allow diff_api to work correctly.
627	* Should be tested more with multiply guest opengl apps working when saving VM snapshot.
628	*/
629	crHashtableWalk(cr_server.contextTable, crVBoxServerSaveContextStateCB, pSSM);
630
631	#ifdef CR_STATE_NO_TEXTURE_IMAGE_STORE
632	/* Restore original win and ctx IDs*/
633	if (cr_server.curClient)
634	{
635	crServerDispatchMakeCurrent(winID, 0, ctxID);
636	}
637	#endif
638
639	/* Save windows creation info */
640	ui32 = crHashtableNumElements(cr_server.pWindowCreateInfoTable);
641	rc = SSMR3PutU32(pSSM, (uint32_t) ui32);
642	AssertRCReturn(rc, rc);
643	crHashtableWalk(cr_server.pWindowCreateInfoTable, crVBoxServerSaveCreateInfoCB, pSSM);
644
645	/* Save cr_server.muralTable
646	* @todo we don't need it all, just geometry info actually
647	* @todo store visible regions as well
648	*/
649	ui32 = crHashtableNumElements(cr_server.muralTable);
650	/* There should be default mural always */
651	CRASSERT(ui32>=1);
652	rc = SSMR3PutU32(pSSM, (uint32_t) ui32-1);
653	AssertRCReturn(rc, rc);
654	crHashtableWalk(cr_server.muralTable, crVBoxServerSaveMuralCB, pSSM);
655
656	/* Save starting free context and window IDs */
657	rc = SSMR3PutMem(pSSM, &cr_server.idsPool, sizeof(cr_server.idsPool));
658	AssertRCReturn(rc, rc);
659
660	/* Save clients info */
661	for (i = 0; i < cr_server.numClients; i++)
662	{
663	if (cr_server.clients[i] && cr_server.clients[i]->conn)
664	{
665	CRClient *pClient = cr_server.clients[i];
666
667	rc = SSMR3PutU32(pSSM, pClient->conn->u32ClientID);
668	AssertRCReturn(rc, rc);
669
670	rc = SSMR3PutMem(pSSM, pClient, sizeof(*pClient));
671	AssertRCReturn(rc, rc);
672
673	if (pClient->currentCtx && pClient->currentContextNumber>=0)
674	{
675	b = crHashtableGetDataKey(cr_server.contextTable, pClient->currentCtx, &key);
676	CRASSERT(b);
677	rc = SSMR3PutMem(pSSM, &key, sizeof(key));
678	AssertRCReturn(rc, rc);
679	}
680
681	if (pClient->currentMural && pClient->currentWindow>=0)
682	{
683	b = crHashtableGetDataKey(cr_server.muralTable, pClient->currentMural, &key);
684	CRASSERT(b);
685	rc = SSMR3PutMem(pSSM, &key, sizeof(key));
686	AssertRCReturn(rc, rc);
687	}
688	}
689	}
690
691	cr_server.bIsInSavingState = GL_FALSE;
692
693	return VINF_SUCCESS;
694	}
695
696	DECLEXPORT(int32_t) crVBoxServerLoadState(PSSMHANDLE pSSM)
697	{
698	int32_t rc, i;
699	uint32_t ui, uiNumElems;
700	unsigned long key;
701
702	if (!cr_server.bIsInLoadingState)
703	{
704	/* AssertRCReturn(...) will leave us in loading state, but it doesn't matter as we'd be failing anyway */
705	cr_server.bIsInLoadingState = GL_TRUE;
706
707	/* Read number of clients */
708	rc = SSMR3GetU32(pSSM, &g_hackVBoxServerSaveLoadCallsLeft);
709	AssertRCReturn(rc, rc);
710	}
711
712	g_hackVBoxServerSaveLoadCallsLeft--;
713
714	/* Do nothing untill we're being called last time */
715	if (g_hackVBoxServerSaveLoadCallsLeft>0)
716	{
717	return VINF_SUCCESS;
718	}
719
720	/* Load and recreate rendering contexts */
721	rc = SSMR3GetU32(pSSM, &uiNumElems);
722	AssertRCReturn(rc, rc);
723	for (ui=0; ui<uiNumElems; ++ui)
724	{
725	CRCreateInfo_t createInfo;
726	char psz[200];
727	GLint ctxID;
728
729	rc = SSMR3GetMem(pSSM, &key, sizeof(key));
730	AssertRCReturn(rc, rc);
731	rc = SSMR3GetMem(pSSM, &createInfo, sizeof(createInfo));
732	AssertRCReturn(rc, rc);
733
734	if (createInfo.pszDpyName)
735	{
736	rc = SSMR3GetStrZEx(pSSM, psz, 200, NULL);
737	AssertRCReturn(rc, rc);
738	createInfo.pszDpyName = psz;
739	}
740
741	ctxID = crServerDispatchCreateContextEx(createInfo.pszDpyName, createInfo.visualBits, 0, key, createInfo.internalID);
742	CRASSERT((int64_t)ctxID == (int64_t)key);
743	}
744
745	/* Restore context state data */
746	for (ui=0; ui<uiNumElems; ++ui)
747	{
748	CRContext *pContext;
749
750	rc = SSMR3GetMem(pSSM, &key, sizeof(key));
751	AssertRCReturn(rc, rc);
752
753	pContext = (CRContext*) crHashtableSearch(cr_server.contextTable, key);
754	CRASSERT(pContext);
755
756	rc = crStateLoadContext(pContext, pSSM);
757	AssertRCReturn(rc, rc);
758	}
759
760	/* Load windows */
761	rc = SSMR3GetU32(pSSM, &uiNumElems);
762	AssertRCReturn(rc, rc);
763	for (ui=0; ui<uiNumElems; ++ui)
764	{
765	CRCreateInfo_t createInfo;
766	char psz[200];
767	GLint winID;
768	unsigned long key;
769
770	rc = SSMR3GetMem(pSSM, &key, sizeof(key));
771	AssertRCReturn(rc, rc);
772	rc = SSMR3GetMem(pSSM, &createInfo, sizeof(createInfo));
773	AssertRCReturn(rc, rc);
774
775	if (createInfo.pszDpyName)
776	{
777	rc = SSMR3GetStrZEx(pSSM, psz, 200, NULL);
778	AssertRCReturn(rc, rc);
779	createInfo.pszDpyName = psz;
780	}
781
782	winID = crServerDispatchWindowCreateEx(createInfo.pszDpyName, createInfo.visualBits, key);
783	CRASSERT((int64_t)winID == (int64_t)key);
784	}
785
786	/* Load cr_server.muralTable */
787	rc = SSMR3GetU32(pSSM, &uiNumElems);
788	AssertRCReturn(rc, rc);
789	for (ui=0; ui<uiNumElems; ++ui)
790	{
791	CRMuralInfo muralInfo;
792
793	rc = SSMR3GetMem(pSSM, &key, sizeof(key));
794	AssertRCReturn(rc, rc);
795	rc = SSMR3GetMem(pSSM, &muralInfo, sizeof(muralInfo));
796	AssertRCReturn(rc, rc);
797
798	/* Restore windows geometry info */
799	crServerDispatchWindowSize(key, muralInfo.underlyingDisplay[2], muralInfo.underlyingDisplay[3]);
800	crServerDispatchWindowPosition(key, muralInfo.underlyingDisplay[0], muralInfo.underlyingDisplay[1]);
801	}
802
803	/* Load starting free context and window IDs */
804	rc = SSMR3GetMem(pSSM, &cr_server.idsPool, sizeof(cr_server.idsPool));
805	CRASSERT(rc == VINF_SUCCESS);
806
807	/* Load clients info */
808	for (i = 0; i < cr_server.numClients; i++)
809	{
810	if (cr_server.clients[i] && cr_server.clients[i]->conn)
811	{
812	CRClient *pClient = cr_server.clients[i];
813	CRClient client;
814	unsigned long ctxID=-1, winID=-1;
815
816	rc = SSMR3GetU32(pSSM, &ui);
817	AssertRCReturn(rc, rc);
818	/* If this assert fires, then we should search correct client in the list first*/
819	CRASSERT(ui == pClient->conn->u32ClientID);
820
821	rc = SSMR3GetMem(pSSM, &client, sizeof(client));
822	CRASSERT(rc == VINF_SUCCESS);
823
824	client.conn = pClient->conn;
825	/* We can't reassign client number, as we'd get wrong results in TranslateTextureID
826	* and fail to bind old textures.
827	*/
828	/client.number = pClient->number;/
829	*pClient = client;
830
831	pClient->currentContextNumber = -1;
832	pClient->currentCtx = cr_server.DummyContext;
833	pClient->currentMural = NULL;
834	pClient->currentWindow = -1;
835
836	cr_server.curClient = pClient;
837
838	if (client.currentCtx && client.currentContextNumber>=0)
839	{
840	rc = SSMR3GetMem(pSSM, &ctxID, sizeof(ctxID));
841	AssertRCReturn(rc, rc);
842	client.currentCtx = (CRContext*) crHashtableSearch(cr_server.contextTable, ctxID);
843	CRASSERT(client.currentCtx);
844	//pClient->currentCtx = client.currentCtx;
845	//pClient->currentContextNumber = ctxID;
846	}
847
848	if (client.currentMural && client.currentWindow>=0)
849	{
850	rc = SSMR3GetMem(pSSM, &winID, sizeof(winID));
851	AssertRCReturn(rc, rc);
852	client.currentMural = (CRMuralInfo*) crHashtableSearch(cr_server.muralTable, winID);
853	CRASSERT(client.currentMural);
854	//pClient->currentMural = client.currentMural;
855	//pClient->currentWindow = winID;
856	}
857
858	/* Restore client active context and window */
859	crServerDispatchMakeCurrent(winID, 0, ctxID);
860
861	if (0)
862	{
863	CRContext *tmpCtx;
864	CRCreateInfo_t *createInfo;
865	GLfloat one[4] = { 1, 1, 1, 1 };
866	GLfloat amb[4] = { 0.4f, 0.4f, 0.4f, 1.0f };
867
868	crServerDispatchMakeCurrent(winID, 0, ctxID);
869
870	crHashtableWalk(client.currentCtx->shared->textureTable, crVBoxServerSyncTextureCB, client.currentCtx);
871
872	crStateTextureObjectDiff(client.currentCtx, NULL, NULL, &client.currentCtx->texture.base1D, GL_TRUE);
873	crStateTextureObjectDiff(client.currentCtx, NULL, NULL, &client.currentCtx->texture.base2D, GL_TRUE);
874	crStateTextureObjectDiff(client.currentCtx, NULL, NULL, &client.currentCtx->texture.base3D, GL_TRUE);
875	#ifdef CR_ARB_texture_cube_map
876	crStateTextureObjectDiff(client.currentCtx, NULL, NULL, &client.currentCtx->texture.baseCubeMap, GL_TRUE);
877	#endif
878	#ifdef CR_NV_texture_rectangle
879	//@todo this doesn't work as expected
880	//crStateTextureObjectDiff(client.currentCtx, NULL, NULL, &client.currentCtx->texture.baseRect, GL_TRUE);
881	#endif
882	/*cr_server.head_spu->dispatch_table.Materialfv(GL_FRONT_AND_BACK, GL_AMBIENT, amb);
883	cr_server.head_spu->dispatch_table.LightModelfv(GL_LIGHT_MODEL_AMBIENT, amb);
884	cr_server.head_spu->dispatch_table.Lightfv(GL_LIGHT1, GL_DIFFUSE, one);
885
886	cr_server.head_spu->dispatch_table.Enable(GL_LIGHTING);
887	cr_server.head_spu->dispatch_table.Enable(GL_LIGHT0);
888	cr_server.head_spu->dispatch_table.Enable(GL_LIGHT1);
889
890	cr_server.head_spu->dispatch_table.Enable(GL_CULL_FACE);
891	cr_server.head_spu->dispatch_table.Enable(GL_TEXTURE_2D);*/
892
893	//crStateViewport( 0, 0, 600, 600 );
894	//pClient->currentMural->viewportValidated = GL_FALSE;
895	//cr_server.head_spu->dispatch_table.Viewport( 0, 0, 600, 600 );
896
897	//crStateMatrixMode(GL_PROJECTION);
898	//cr_server.head_spu->dispatch_table.MatrixMode(GL_PROJECTION);
899
900	//crStateLoadIdentity();
901	//cr_server.head_spu->dispatch_table.LoadIdentity();
902
903	//crStateFrustum(-0.5, 0.5, -0.5, 0.5, 1.5, 150.0);
904	//cr_server.head_spu->dispatch_table.Frustum(-0.5, 0.5, -0.5, 0.5, 1.5, 150.0);
905
906	//crStateMatrixMode(GL_MODELVIEW);
907	//cr_server.head_spu->dispatch_table.MatrixMode(GL_MODELVIEW);
908	//crServerDispatchLoadIdentity();
909	//crStateFrustum(-0.5, 0.5, -0.5, 0.5, 1.5, 150.0);
910	//cr_server.head_spu->dispatch_table.Frustum(-0.5, 0.5, -0.5, 0.5, 1.5, 150.0);
911	//crServerDispatchLoadIdentity();
912
913	/createInfo = (CRCreateInfo_t ) crHashtableSearch(cr_server.pContextCreateInfoTable, ctxID);
914	CRASSERT(createInfo);
915	tmpCtx = crStateCreateContext(NULL, createInfo->visualBits, NULL);
916	CRASSERT(tmpCtx);
917	crStateDiffContext(tmpCtx, client.currentCtx);
918	crStateDestroyContext(tmpCtx);*/
919	}
920	}
921	}
922
923	//crServerDispatchMakeCurrent(-1, 0, -1);
924
925	cr_server.curClient = NULL;
926
927	{
928	GLenum err = crServerDispatchGetError();
929
930	if (err != GL_NO_ERROR)
931	{
932	crWarning("crServer: glGetError %d after loading snapshot", err);
933	}
934	}
935
936	cr_server.bIsInLoadingState = GL_FALSE;
937
938	return VINF_SUCCESS;
939	}
940

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source: vbox/trunk/src/VBox/HostServices/SharedOpenGL/crserverlib/server_main.c@ 21028

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