server_main.c@ 25154

Last change on this file since 25154 was 23094, checked in by vboxsync, 15 years ago
crOpenGL: fix FBO/RBOs support, add snapshots compatibility
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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	int32_t crVBoxServerAddClient(uint32_t u32ClientID)
322	{
323	CRClient *newClient;
324
325	if (cr_server.numClients>=CR_MAX_CLIENTS)
326	{
327	return VERR_MAX_THRDS_REACHED;
328	}
329
330	newClient = (CRClient *) crCalloc(sizeof(CRClient));
331	crDebug("crServer: AddClient u32ClientID=%d", u32ClientID);
332
333	newClient->spu_id = 0;
334	newClient->currentCtx = cr_server.DummyContext;
335	newClient->currentContextNumber = -1;
336	newClient->conn = crNetAcceptClient(cr_server.protocol, NULL,
337	cr_server.tcpip_port,
338	cr_server.mtu, 0);
339	newClient->conn->u32ClientID = u32ClientID;
340
341	cr_server.clients[cr_server.numClients++] = newClient;
342
343	crServerAddToRunQueue(newClient);
344
345	return VINF_SUCCESS;
346	}
347
348	void crVBoxServerRemoveClient(uint32_t u32ClientID)
349	{
350	CRClient *pClient;
351	int32_t i;
352
353	crDebug("crServer: RemoveClient u32ClientID=%d", u32ClientID);
354
355	for (i = 0; i < cr_server.numClients; i++)
356	{
357	if (cr_server.clients[i] && cr_server.clients[i]->conn
358	&& cr_server.clients[i]->conn->u32ClientID==u32ClientID)
359	{
360	break;
361	}
362	}
363	pClient = cr_server.clients[i];
364	CRASSERT(pClient);
365
366	/* Disconnect the client */
367	pClient->conn->Disconnect(pClient->conn);
368
369	/* Let server clear client from the queue */
370	crServerDeleteClient(pClient);
371	}
372
373	int32_t crVBoxServerClientWrite(uint32_t u32ClientID, uint8_t *pBuffer, uint32_t cbBuffer)
374	{
375	CRClient *pClient;
376	int32_t i;
377
378	//crDebug("crServer: [%x] ClientWrite u32ClientID=%d", crThreadID(), u32ClientID);
379
380	for (i = 0; i < cr_server.numClients; i++)
381	{
382	if (cr_server.clients[i] && cr_server.clients[i]->conn
383	&& cr_server.clients[i]->conn->u32ClientID==u32ClientID)
384	{
385	break;
386	}
387	}
388	pClient = cr_server.clients[i];
389	CRASSERT(pClient);
390
391	if (!pClient->conn->vMajor) return VERR_NOT_SUPPORTED;
392
393	CRASSERT(pBuffer);
394
395	/* This should never fire unless we start to multithread */
396	CRASSERT(pClient->conn->pBuffer==NULL && pClient->conn->cbBuffer==0);
397
398	/* Check if there's a blocker in queue and it's not this client */
399	if (cr_server.run_queue->client != pClient
400	&& crServerClientInBeginEnd(cr_server.run_queue->client))
401	{
402	crDebug("crServer: client %d blocked, allow_redir_ptr = 0", u32ClientID);
403	pClient->conn->allow_redir_ptr = 0;
404	}
405	else
406	{
407	pClient->conn->allow_redir_ptr = 1;
408	}
409
410	pClient->conn->pBuffer = pBuffer;
411	pClient->conn->cbBuffer = cbBuffer;
412
413	crNetRecv();
414	CRASSERT(pClient->conn->pBuffer==NULL && pClient->conn->cbBuffer==0);
415
416	crServerServiceClients();
417
418	#if 0
419	if (pClient->currentMural) {
420	crStateViewport( 0, 0, 500, 500 );
421	pClient->currentMural->viewportValidated = GL_FALSE;
422	cr_server.head_spu->dispatch_table.Viewport( 0, 0, 500, 500 );
423	crStateViewport( 0, 0, 600, 600 );
424	pClient->currentMural->viewportValidated = GL_FALSE;
425	cr_server.head_spu->dispatch_table.Viewport( 0, 0, 600, 600 );
426
427	crStateMatrixMode(GL_PROJECTION);
428	cr_server.head_spu->dispatch_table.MatrixMode(GL_PROJECTION);
429	crServerDispatchLoadIdentity();
430	crStateFrustum(-0.6, 0.6, -0.5, 0.5, 1.5, 150.0);
431	cr_server.head_spu->dispatch_table.Frustum(-0.6, 0.6, -0.5, 0.5, 1.5, 150.0);
432	crServerDispatchLoadIdentity();
433	crStateFrustum(-0.5, 0.5, -0.5, 0.5, 1.5, 150.0);
434	cr_server.head_spu->dispatch_table.Frustum(-0.5, 0.5, -0.5, 0.5, 1.5, 150.0);
435
436	crStateMatrixMode(GL_MODELVIEW);
437	cr_server.head_spu->dispatch_table.MatrixMode(GL_MODELVIEW);
438	crServerDispatchLoadIdentity();
439	crStateFrustum(-0.5, 0.5, -0.5, 0.5, 1.5, 150.0);
440	cr_server.head_spu->dispatch_table.Frustum(-0.5, 0.5, -0.5, 0.5, 1.5, 150.0);
441	crServerDispatchLoadIdentity();
442	}
443	#endif
444
445	crStateResetCurrentPointers(&cr_server.current);
446
447	CRASSERT(!pClient->conn->allow_redir_ptr \|\| crNetNumMessages(pClient->conn)==0);
448
449	return VINF_SUCCESS;
450	}
451
452	int32_t crVBoxServerClientRead(uint32_t u32ClientID, uint8_t pBuffer, uint32_t pcbBuffer)
453	{
454	CRClient *pClient;
455	int32_t i;
456
457	//crDebug("crServer: [%x] ClientRead u32ClientID=%d", crThreadID(), u32ClientID);
458
459	for (i = 0; i < cr_server.numClients; i++)
460	{
461	if (cr_server.clients[i] && cr_server.clients[i]->conn
462	&& cr_server.clients[i]->conn->u32ClientID==u32ClientID)
463	{
464	break;
465	}
466	}
467	pClient = cr_server.clients[i];
468	CRASSERT(pClient);
469
470	if (!pClient->conn->vMajor) return VERR_NOT_SUPPORTED;
471
472	if (pClient->conn->cbHostBuffer > *pcbBuffer)
473	{
474	crDebug("crServer: [%lx] ClientRead u32ClientID=%d FAIL, host buffer too small %d of %d",
475	crThreadID(), u32ClientID, *pcbBuffer, pClient->conn->cbHostBuffer);
476
477	/* Return the size of needed buffer */
478	*pcbBuffer = pClient->conn->cbHostBuffer;
479
480	return VERR_BUFFER_OVERFLOW;
481	}
482
483	*pcbBuffer = pClient->conn->cbHostBuffer;
484
485	if (*pcbBuffer)
486	{
487	CRASSERT(pClient->conn->pHostBuffer);
488
489	crMemcpy(pBuffer, pClient->conn->pHostBuffer, *pcbBuffer);
490	pClient->conn->cbHostBuffer = 0;
491	}
492
493	return VINF_SUCCESS;
494	}
495
496	int32_t crVBoxServerClientSetVersion(uint32_t u32ClientID, uint32_t vMajor, uint32_t vMinor)
497	{
498	CRClient *pClient;
499	int32_t i;
500
501	for (i = 0; i < cr_server.numClients; i++)
502	{
503	if (cr_server.clients[i] && cr_server.clients[i]->conn
504	&& cr_server.clients[i]->conn->u32ClientID==u32ClientID)
505	{
506	break;
507	}
508	}
509	pClient = cr_server.clients[i];
510	CRASSERT(pClient);
511
512	pClient->conn->vMajor = vMajor;
513	pClient->conn->vMinor = vMinor;
514
515	if (vMajor != CR_PROTOCOL_VERSION_MAJOR
516	\|\| vMinor != CR_PROTOCOL_VERSION_MINOR)
517	{
518	return VERR_NOT_SUPPORTED;
519	}
520	else return VINF_SUCCESS;
521	}
522
523	int
524	CRServerMain(int argc, char *argv[])
525	{
526	crServerInit(argc, argv);
527
528	crServerSerializeRemoteStreams();
529
530	crServerTearDown();
531
532	tearingdown = 0;
533
534	return 0;
535	}
536
537	static void crVBoxServerSaveMuralCB(unsigned long key, void data1, void data2)
538	{
539	CRMuralInfo pMI = (CRMuralInfo) data1;
540	PSSMHANDLE pSSM = (PSSMHANDLE) data2;
541	int32_t rc;
542
543	CRASSERT(pMI && pSSM);
544
545	/* Don't store default mural */
546	if (!key) return;
547
548	rc = SSMR3PutMem(pSSM, &key, sizeof(key));
549	CRASSERT(rc == VINF_SUCCESS);
550
551	rc = SSMR3PutMem(pSSM, pMI, sizeof(*pMI));
552	CRASSERT(rc == VINF_SUCCESS);
553	}
554
555	/* @todo add hashtable walker with result info and intermediate abort */
556	static void crVBoxServerSaveCreateInfoCB(unsigned long key, void data1, void data2)
557	{
558	CRCreateInfo_t pCreateInfo = (CRCreateInfo_t ) data1;
559	PSSMHANDLE pSSM = (PSSMHANDLE) data2;
560	int32_t rc;
561
562	CRASSERT(pCreateInfo && pSSM);
563
564	rc = SSMR3PutMem(pSSM, &key, sizeof(key));
565	CRASSERT(rc == VINF_SUCCESS);
566
567	rc = SSMR3PutMem(pSSM, pCreateInfo, sizeof(*pCreateInfo));
568	CRASSERT(rc == VINF_SUCCESS);
569
570	if (pCreateInfo->pszDpyName)
571	{
572	rc = SSMR3PutStrZ(pSSM, pCreateInfo->pszDpyName);
573	CRASSERT(rc == VINF_SUCCESS);
574	}
575	}
576
577	static void crVBoxServerSyncTextureCB(unsigned long key, void data1, void data2)
578	{
579	CRTextureObj pTexture = (CRTextureObj ) data1;
580	CRContext pContext = (CRContext ) data2;
581
582	CRASSERT(pTexture && pContext);
583	crStateTextureObjectDiff(pContext, NULL, NULL, pTexture, GL_TRUE);
584	}
585
586	static void crVBoxServerSaveContextStateCB(unsigned long key, void data1, void data2)
587	{
588	CRContext pContext = (CRContext ) data1;
589	PSSMHANDLE pSSM = (PSSMHANDLE) data2;
590	int32_t rc;
591
592	CRASSERT(pContext && pSSM);
593
594	/* We could have skipped saving the key and use similar callback to load context states back,
595	* but there's no guarantee we'd traverse hashtable in same order after loading.
596	*/
597	rc = SSMR3PutMem(pSSM, &key, sizeof(key));
598	CRASSERT(rc == VINF_SUCCESS);
599
600	#ifdef CR_STATE_NO_TEXTURE_IMAGE_STORE
601	if (cr_server.curClient)
602	{
603	unsigned long id;
604	if (!crHashtableGetDataKey(cr_server.contextTable, pContext, &id))
605	{
606	crWarning("No client id for server ctx %d", pContext->id);
607	}
608	else
609	{
610	crServerDispatchMakeCurrent(cr_server.curClient->currentWindow, 0, id);
611	}
612	}
613	#endif
614
615	rc = crStateSaveContext(pContext, pSSM);
616	CRASSERT(rc == VINF_SUCCESS);
617	}
618
619	static uint32_t g_hackVBoxServerSaveLoadCallsLeft = 0;
620
621	DECLEXPORT(int32_t) crVBoxServerSaveState(PSSMHANDLE pSSM)
622	{
623	int32_t rc, i;
624	uint32_t ui32;
625	GLboolean b;
626	unsigned long key;
627	#ifdef CR_STATE_NO_TEXTURE_IMAGE_STORE
628	unsigned long ctxID=-1, winID=-1;
629	#endif
630
631	/* We shouldn't be called if there's no clients at all*/
632	CRASSERT(cr_server.numClients>0);
633
634	/* @todo it's hack atm */
635	/* We want to be called only once to save server state but atm we're being called from svcSaveState
636	* for every connected client (e.g. guest opengl application)
637	*/
638	if (!cr_server.bIsInSavingState) /* It's first call */
639	{
640	cr_server.bIsInSavingState = GL_TRUE;
641
642	/* Store number of clients */
643	rc = SSMR3PutU32(pSSM, (uint32_t) cr_server.numClients);
644	AssertRCReturn(rc, rc);
645
646	g_hackVBoxServerSaveLoadCallsLeft = cr_server.numClients;
647	}
648
649	g_hackVBoxServerSaveLoadCallsLeft--;
650
651	/* Do nothing untill we're being called last time */
652	if (g_hackVBoxServerSaveLoadCallsLeft>0)
653	{
654	return VINF_SUCCESS;
655	}
656
657	/* Save rendering contexts creation info */
658	ui32 = crHashtableNumElements(cr_server.pContextCreateInfoTable);
659	rc = SSMR3PutU32(pSSM, (uint32_t) ui32);
660	AssertRCReturn(rc, rc);
661	crHashtableWalk(cr_server.pContextCreateInfoTable, crVBoxServerSaveCreateInfoCB, pSSM);
662
663	#ifdef CR_STATE_NO_TEXTURE_IMAGE_STORE
664	/* Save current win and ctx IDs, as we'd rebind contexts when saving textures */
665	if (cr_server.curClient)
666	{
667	ctxID = cr_server.curClient->currentContextNumber;
668	winID = cr_server.curClient->currentWindow;
669	}
670	#endif
671
672	/* Save contexts state tracker data */
673	/* @todo For now just some blind data dumps,
674	* but I've a feeling those should be saved/restored in a very strict sequence to
675	* allow diff_api to work correctly.
676	* Should be tested more with multiply guest opengl apps working when saving VM snapshot.
677	*/
678	crHashtableWalk(cr_server.contextTable, crVBoxServerSaveContextStateCB, pSSM);
679
680	#ifdef CR_STATE_NO_TEXTURE_IMAGE_STORE
681	/* Restore original win and ctx IDs*/
682	if (cr_server.curClient)
683	{
684	crServerDispatchMakeCurrent(winID, 0, ctxID);
685	}
686	#endif
687
688	/* Save windows creation info */
689	ui32 = crHashtableNumElements(cr_server.pWindowCreateInfoTable);
690	rc = SSMR3PutU32(pSSM, (uint32_t) ui32);
691	AssertRCReturn(rc, rc);
692	crHashtableWalk(cr_server.pWindowCreateInfoTable, crVBoxServerSaveCreateInfoCB, pSSM);
693
694	/* Save cr_server.muralTable
695	* @todo we don't need it all, just geometry info actually
696	* @todo store visible regions as well
697	*/
698	ui32 = crHashtableNumElements(cr_server.muralTable);
699	/* There should be default mural always */
700	CRASSERT(ui32>=1);
701	rc = SSMR3PutU32(pSSM, (uint32_t) ui32-1);
702	AssertRCReturn(rc, rc);
703	crHashtableWalk(cr_server.muralTable, crVBoxServerSaveMuralCB, pSSM);
704
705	/* Save starting free context and window IDs */
706	rc = SSMR3PutMem(pSSM, &cr_server.idsPool, sizeof(cr_server.idsPool));
707	AssertRCReturn(rc, rc);
708
709	/* Save clients info */
710	for (i = 0; i < cr_server.numClients; i++)
711	{
712	if (cr_server.clients[i] && cr_server.clients[i]->conn)
713	{
714	CRClient *pClient = cr_server.clients[i];
715
716	rc = SSMR3PutU32(pSSM, pClient->conn->u32ClientID);
717	AssertRCReturn(rc, rc);
718
719	rc = SSMR3PutU32(pSSM, pClient->conn->vMajor);
720	AssertRCReturn(rc, rc);
721
722	rc = SSMR3PutU32(pSSM, pClient->conn->vMinor);
723	AssertRCReturn(rc, rc);
724
725	rc = SSMR3PutMem(pSSM, pClient, sizeof(*pClient));
726	AssertRCReturn(rc, rc);
727
728	if (pClient->currentCtx && pClient->currentContextNumber>=0)
729	{
730	b = crHashtableGetDataKey(cr_server.contextTable, pClient->currentCtx, &key);
731	CRASSERT(b);
732	rc = SSMR3PutMem(pSSM, &key, sizeof(key));
733	AssertRCReturn(rc, rc);
734	}
735
736	if (pClient->currentMural && pClient->currentWindow>=0)
737	{
738	b = crHashtableGetDataKey(cr_server.muralTable, pClient->currentMural, &key);
739	CRASSERT(b);
740	rc = SSMR3PutMem(pSSM, &key, sizeof(key));
741	AssertRCReturn(rc, rc);
742	}
743	}
744	}
745
746	cr_server.bIsInSavingState = GL_FALSE;
747
748	return VINF_SUCCESS;
749	}
750
751	DECLEXPORT(int32_t) crVBoxServerLoadState(PSSMHANDLE pSSM, uint32_t version)
752	{
753	int32_t rc, i;
754	uint32_t ui, uiNumElems;
755	unsigned long key;
756
757	if (!cr_server.bIsInLoadingState)
758	{
759	/* AssertRCReturn(...) will leave us in loading state, but it doesn't matter as we'd be failing anyway */
760	cr_server.bIsInLoadingState = GL_TRUE;
761
762	/* Read number of clients */
763	rc = SSMR3GetU32(pSSM, &g_hackVBoxServerSaveLoadCallsLeft);
764	AssertRCReturn(rc, rc);
765	}
766
767	g_hackVBoxServerSaveLoadCallsLeft--;
768
769	/* Do nothing untill we're being called last time */
770	if (g_hackVBoxServerSaveLoadCallsLeft>0)
771	{
772	return VINF_SUCCESS;
773	}
774
775	/* Load and recreate rendering contexts */
776	rc = SSMR3GetU32(pSSM, &uiNumElems);
777	AssertRCReturn(rc, rc);
778	for (ui=0; ui<uiNumElems; ++ui)
779	{
780	CRCreateInfo_t createInfo;
781	char psz[200];
782	GLint ctxID;
783
784	rc = SSMR3GetMem(pSSM, &key, sizeof(key));
785	AssertRCReturn(rc, rc);
786	rc = SSMR3GetMem(pSSM, &createInfo, sizeof(createInfo));
787	AssertRCReturn(rc, rc);
788
789	if (createInfo.pszDpyName)
790	{
791	rc = SSMR3GetStrZEx(pSSM, psz, 200, NULL);
792	AssertRCReturn(rc, rc);
793	createInfo.pszDpyName = psz;
794	}
795
796	ctxID = crServerDispatchCreateContextEx(createInfo.pszDpyName, createInfo.visualBits, 0, key, createInfo.internalID);
797	CRASSERT((int64_t)ctxID == (int64_t)key);
798	}
799
800	/* Restore context state data */
801	for (ui=0; ui<uiNumElems; ++ui)
802	{
803	CRContext *pContext;
804
805	rc = SSMR3GetMem(pSSM, &key, sizeof(key));
806	AssertRCReturn(rc, rc);
807
808	pContext = (CRContext*) crHashtableSearch(cr_server.contextTable, key);
809	CRASSERT(pContext);
810
811	rc = crStateLoadContext(pContext, pSSM);
812	AssertRCReturn(rc, rc);
813	}
814
815	/* Load windows */
816	rc = SSMR3GetU32(pSSM, &uiNumElems);
817	AssertRCReturn(rc, rc);
818	for (ui=0; ui<uiNumElems; ++ui)
819	{
820	CRCreateInfo_t createInfo;
821	char psz[200];
822	GLint winID;
823	unsigned long key;
824
825	rc = SSMR3GetMem(pSSM, &key, sizeof(key));
826	AssertRCReturn(rc, rc);
827	rc = SSMR3GetMem(pSSM, &createInfo, sizeof(createInfo));
828	AssertRCReturn(rc, rc);
829
830	if (createInfo.pszDpyName)
831	{
832	rc = SSMR3GetStrZEx(pSSM, psz, 200, NULL);
833	AssertRCReturn(rc, rc);
834	createInfo.pszDpyName = psz;
835	}
836
837	winID = crServerDispatchWindowCreateEx(createInfo.pszDpyName, createInfo.visualBits, key);
838	CRASSERT((int64_t)winID == (int64_t)key);
839	}
840
841	/* Load cr_server.muralTable */
842	rc = SSMR3GetU32(pSSM, &uiNumElems);
843	AssertRCReturn(rc, rc);
844	for (ui=0; ui<uiNumElems; ++ui)
845	{
846	CRMuralInfo muralInfo;
847
848	rc = SSMR3GetMem(pSSM, &key, sizeof(key));
849	AssertRCReturn(rc, rc);
850	rc = SSMR3GetMem(pSSM, &muralInfo, sizeof(muralInfo));
851	AssertRCReturn(rc, rc);
852
853	/* Restore windows geometry info */
854	crServerDispatchWindowSize(key, muralInfo.underlyingDisplay[2], muralInfo.underlyingDisplay[3]);
855	crServerDispatchWindowPosition(key, muralInfo.underlyingDisplay[0], muralInfo.underlyingDisplay[1]);
856	}
857
858	/* Load starting free context and window IDs */
859	rc = SSMR3GetMem(pSSM, &cr_server.idsPool, sizeof(cr_server.idsPool));
860	CRASSERT(rc == VINF_SUCCESS);
861
862	/* Load clients info */
863	for (i = 0; i < cr_server.numClients; i++)
864	{
865	if (cr_server.clients[i] && cr_server.clients[i]->conn)
866	{
867	CRClient *pClient = cr_server.clients[i];
868	CRClient client;
869	unsigned long ctxID=-1, winID=-1;
870
871	rc = SSMR3GetU32(pSSM, &ui);
872	AssertRCReturn(rc, rc);
873	/* If this assert fires, then we should search correct client in the list first*/
874	CRASSERT(ui == pClient->conn->u32ClientID);
875
876	if (version>=4)
877	{
878	rc = SSMR3GetU32(pSSM, &pClient->conn->vMajor);
879	AssertRCReturn(rc, rc);
880
881	rc = SSMR3GetU32(pSSM, &pClient->conn->vMinor);
882	AssertRCReturn(rc, rc);
883	}
884
885	rc = SSMR3GetMem(pSSM, &client, sizeof(client));
886	CRASSERT(rc == VINF_SUCCESS);
887
888	client.conn = pClient->conn;
889	/* We can't reassign client number, as we'd get wrong results in TranslateTextureID
890	* and fail to bind old textures.
891	*/
892	/client.number = pClient->number;/
893	*pClient = client;
894
895	pClient->currentContextNumber = -1;
896	pClient->currentCtx = cr_server.DummyContext;
897	pClient->currentMural = NULL;
898	pClient->currentWindow = -1;
899
900	cr_server.curClient = pClient;
901
902	if (client.currentCtx && client.currentContextNumber>=0)
903	{
904	rc = SSMR3GetMem(pSSM, &ctxID, sizeof(ctxID));
905	AssertRCReturn(rc, rc);
906	client.currentCtx = (CRContext*) crHashtableSearch(cr_server.contextTable, ctxID);
907	CRASSERT(client.currentCtx);
908	//pClient->currentCtx = client.currentCtx;
909	//pClient->currentContextNumber = ctxID;
910	}
911
912	if (client.currentMural && client.currentWindow>=0)
913	{
914	rc = SSMR3GetMem(pSSM, &winID, sizeof(winID));
915	AssertRCReturn(rc, rc);
916	client.currentMural = (CRMuralInfo*) crHashtableSearch(cr_server.muralTable, winID);
917	CRASSERT(client.currentMural);
918	//pClient->currentMural = client.currentMural;
919	//pClient->currentWindow = winID;
920	}
921
922	/* Restore client active context and window */
923	crServerDispatchMakeCurrent(winID, 0, ctxID);
924
925	if (0)
926	{
927	CRContext *tmpCtx;
928	CRCreateInfo_t *createInfo;
929	GLfloat one[4] = { 1, 1, 1, 1 };
930	GLfloat amb[4] = { 0.4f, 0.4f, 0.4f, 1.0f };
931
932	crServerDispatchMakeCurrent(winID, 0, ctxID);
933
934	crHashtableWalk(client.currentCtx->shared->textureTable, crVBoxServerSyncTextureCB, client.currentCtx);
935
936	crStateTextureObjectDiff(client.currentCtx, NULL, NULL, &client.currentCtx->texture.base1D, GL_TRUE);
937	crStateTextureObjectDiff(client.currentCtx, NULL, NULL, &client.currentCtx->texture.base2D, GL_TRUE);
938	crStateTextureObjectDiff(client.currentCtx, NULL, NULL, &client.currentCtx->texture.base3D, GL_TRUE);
939	#ifdef CR_ARB_texture_cube_map
940	crStateTextureObjectDiff(client.currentCtx, NULL, NULL, &client.currentCtx->texture.baseCubeMap, GL_TRUE);
941	#endif
942	#ifdef CR_NV_texture_rectangle
943	//@todo this doesn't work as expected
944	//crStateTextureObjectDiff(client.currentCtx, NULL, NULL, &client.currentCtx->texture.baseRect, GL_TRUE);
945	#endif
946	/*cr_server.head_spu->dispatch_table.Materialfv(GL_FRONT_AND_BACK, GL_AMBIENT, amb);
947	cr_server.head_spu->dispatch_table.LightModelfv(GL_LIGHT_MODEL_AMBIENT, amb);
948	cr_server.head_spu->dispatch_table.Lightfv(GL_LIGHT1, GL_DIFFUSE, one);
949
950	cr_server.head_spu->dispatch_table.Enable(GL_LIGHTING);
951	cr_server.head_spu->dispatch_table.Enable(GL_LIGHT0);
952	cr_server.head_spu->dispatch_table.Enable(GL_LIGHT1);
953
954	cr_server.head_spu->dispatch_table.Enable(GL_CULL_FACE);
955	cr_server.head_spu->dispatch_table.Enable(GL_TEXTURE_2D);*/
956
957	//crStateViewport( 0, 0, 600, 600 );
958	//pClient->currentMural->viewportValidated = GL_FALSE;
959	//cr_server.head_spu->dispatch_table.Viewport( 0, 0, 600, 600 );
960
961	//crStateMatrixMode(GL_PROJECTION);
962	//cr_server.head_spu->dispatch_table.MatrixMode(GL_PROJECTION);
963
964	//crStateLoadIdentity();
965	//cr_server.head_spu->dispatch_table.LoadIdentity();
966
967	//crStateFrustum(-0.5, 0.5, -0.5, 0.5, 1.5, 150.0);
968	//cr_server.head_spu->dispatch_table.Frustum(-0.5, 0.5, -0.5, 0.5, 1.5, 150.0);
969
970	//crStateMatrixMode(GL_MODELVIEW);
971	//cr_server.head_spu->dispatch_table.MatrixMode(GL_MODELVIEW);
972	//crServerDispatchLoadIdentity();
973	//crStateFrustum(-0.5, 0.5, -0.5, 0.5, 1.5, 150.0);
974	//cr_server.head_spu->dispatch_table.Frustum(-0.5, 0.5, -0.5, 0.5, 1.5, 150.0);
975	//crServerDispatchLoadIdentity();
976
977	/createInfo = (CRCreateInfo_t ) crHashtableSearch(cr_server.pContextCreateInfoTable, ctxID);
978	CRASSERT(createInfo);
979	tmpCtx = crStateCreateContext(NULL, createInfo->visualBits, NULL);
980	CRASSERT(tmpCtx);
981	crStateDiffContext(tmpCtx, client.currentCtx);
982	crStateDestroyContext(tmpCtx);*/
983	}
984	}
985	}
986
987	//crServerDispatchMakeCurrent(-1, 0, -1);
988
989	cr_server.curClient = NULL;
990
991	{
992	GLenum err = crServerDispatchGetError();
993
994	if (err != GL_NO_ERROR)
995	{
996	crWarning("crServer: glGetError %d after loading snapshot", err);
997	}
998	}
999
1000	cr_server.bIsInLoadingState = GL_FALSE;
1001
1002	return VINF_SUCCESS;
1003	}
1004

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source: vbox/trunk/src/VBox/HostServices/SharedOpenGL/crserverlib/server_main.c@ 25154

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