server_main.c@ 28197

Last change on this file since 28197 was 27889, checked in by vboxsync, 15 years ago
crOpenGL: more code for multiscreen support
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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 "render/renderspu.h"
18	#include <signal.h>
19	#include <stdlib.h>
20	#define DEBUG_FP_EXCEPTIONS 0
21	#if DEBUG_FP_EXCEPTIONS
22	#include <fpu_control.h>
23	#include <math.h>
24	#endif
25	#include <iprt/assert.h>
26
27	/**
28	* \mainpage CrServerLib
29	*
30	* \section CrServerLibIntroduction Introduction
31	*
32	* Chromium consists of all the top-level files in the cr
33	* directory. The core module basically takes care of API dispatch,
34	* and OpenGL state management.
35	*/
36
37
38	/**
39	* CRServer global data
40	*/
41	CRServer cr_server;
42
43	int tearingdown = 0; /* can't be static */
44
45
46	/**
47	* Return pointer to server's first SPU.
48	*/
49	SPU*
50	crServerHeadSPU(void)
51	{
52	return cr_server.head_spu;
53	}
54
55
56
57	static void DeleteBarrierCallback( void *data )
58	{
59	CRServerBarrier barrier = (CRServerBarrier ) data;
60	crFree(barrier->waiting);
61	crFree(barrier);
62	}
63
64
65	static void deleteContextCallback( void *data )
66	{
67	CRContext c = (CRContext ) data;
68	crStateDestroyContext(c);
69	}
70
71
72	static void crServerTearDown( void )
73	{
74	GLint i;
75
76	/* avoid a race condition */
77	if (tearingdown)
78	return;
79
80	tearingdown = 1;
81
82	crStateSetCurrent( NULL );
83
84	cr_server.curClient = NULL;
85	cr_server.run_queue = NULL;
86
87	crFree( cr_server.overlap_intens );
88	cr_server.overlap_intens = NULL;
89
90	/* Deallocate all semaphores */
91	crFreeHashtable(cr_server.semaphores, crFree);
92	cr_server.semaphores = NULL;
93
94	/* Deallocate all barriers */
95	crFreeHashtable(cr_server.barriers, DeleteBarrierCallback);
96	cr_server.barriers = NULL;
97
98	/* Free all context info */
99	crFreeHashtable(cr_server.contextTable, deleteContextCallback);
100
101	/* Free context/window creation info */
102	crFreeHashtable(cr_server.pContextCreateInfoTable, crServerCreateInfoDeleteCB);
103	crFreeHashtable(cr_server.pWindowCreateInfoTable, crServerCreateInfoDeleteCB);
104
105	/* Free vertex programs */
106	crFreeHashtable(cr_server.programTable, crFree);
107
108	for (i = 0; i < cr_server.numClients; i++) {
109	if (cr_server.clients[i]) {
110	CRConnection *conn = cr_server.clients[i]->conn;
111	crNetFreeConnection(conn);
112	crFree(cr_server.clients[i]);
113	}
114	}
115	cr_server.numClients = 0;
116
117	#if 1
118	/* disable these two lines if trying to get stack traces with valgrind */
119	crSPUUnloadChain(cr_server.head_spu);
120	cr_server.head_spu = NULL;
121	#endif
122	}
123
124	static void crServerClose( unsigned int id )
125	{
126	crError( "Client disconnected!" );
127	(void) id;
128	}
129
130	static void crServerCleanup( int sigio )
131	{
132	crServerTearDown();
133
134	tearingdown = 0;
135	}
136
137
138	void
139	crServerSetPort(int port)
140	{
141	cr_server.tcpip_port = port;
142	}
143
144
145
146	static void
147	crPrintHelp(void)
148	{
149	printf("Usage: crserver [OPTIONS]\n");
150	printf("Options:\n");
151	printf(" -mothership URL Specifies URL for contacting the mothership.\n");
152	printf(" URL is of the form [protocol://]hostname[:port]\n");
153	printf(" -port N Specifies the port number this server will listen to.\n");
154	printf(" -help Prints this information.\n");
155	}
156
157
158	/**
159	* Do CRServer initializations. After this, we can begin servicing clients.
160	*/
161	void
162	crServerInit(int argc, char *argv[])
163	{
164	int i;
165	char *mothership = NULL;
166	CRMuralInfo *defaultMural;
167
168	for (i = 1 ; i < argc ; i++)
169	{
170	if (!crStrcmp( argv[i], "-mothership" ))
171	{
172	if (i == argc - 1)
173	{
174	crError( "-mothership requires an argument" );
175	}
176	mothership = argv[i+1];
177	i++;
178	}
179	else if (!crStrcmp( argv[i], "-port" ))
180	{
181	/* This is the port on which we'll accept client connections */
182	if (i == argc - 1)
183	{
184	crError( "-port requires an argument" );
185	}
186	cr_server.tcpip_port = crStrToInt(argv[i+1]);
187	i++;
188	}
189	else if (!crStrcmp( argv[i], "-vncmode" ))
190	{
191	cr_server.vncMode = 1;
192	}
193	else if (!crStrcmp( argv[i], "-help" ))
194	{
195	crPrintHelp();
196	exit(0);
197	}
198	}
199
200	signal( SIGTERM, crServerCleanup );
201	signal( SIGINT, crServerCleanup );
202	#ifndef WINDOWS
203	signal( SIGPIPE, SIG_IGN );
204	#endif
205
206	#if DEBUG_FP_EXCEPTIONS
207	{
208	fpu_control_t mask;
209	_FPU_GETCW(mask);
210	mask &= ~(_FPU_MASK_IM \| _FPU_MASK_DM \| _FPU_MASK_ZM
211	\| _FPU_MASK_OM \| _FPU_MASK_UM);
212	_FPU_SETCW(mask);
213	}
214	#endif
215
216	cr_server.firstCallCreateContext = GL_TRUE;
217	cr_server.firstCallMakeCurrent = GL_TRUE;
218
219	/*
220	* Create default mural info and hash table.
221	*/
222	cr_server.muralTable = crAllocHashtable();
223	defaultMural = (CRMuralInfo *) crCalloc(sizeof(CRMuralInfo));
224	crHashtableAdd(cr_server.muralTable, 0, defaultMural);
225
226	cr_server.programTable = crAllocHashtable();
227
228	crNetInit(crServerRecv, crServerClose);
229	crStateInit();
230
231	crServerSetVBoxConfiguration();
232
233	crStateLimitsInit( &(cr_server.limits) );
234
235	/*
236	* Default context
237	*/
238	cr_server.contextTable = crAllocHashtable();
239	cr_server.DummyContext = crStateCreateContext( &cr_server.limits,
240	CR_RGB_BIT \| CR_DEPTH_BIT, NULL );
241	cr_server.curClient->currentCtx = cr_server.DummyContext;
242
243	crServerInitDispatch();
244	crStateDiffAPI( &(cr_server.head_spu->dispatch_table) );
245
246	crUnpackSetReturnPointer( &(cr_server.return_ptr) );
247	crUnpackSetWritebackPointer( &(cr_server.writeback_ptr) );
248
249	cr_server.barriers = crAllocHashtable();
250	cr_server.semaphores = crAllocHashtable();
251	}
252
253	void crVBoxServerTearDown(void)
254	{
255	crServerTearDown();
256	}
257
258	/**
259	* Do CRServer initializations. After this, we can begin servicing clients.
260	*/
261	GLboolean crVBoxServerInit(void)
262	{
263	CRMuralInfo *defaultMural;
264
265	#if DEBUG_FP_EXCEPTIONS
266	{
267	fpu_control_t mask;
268	_FPU_GETCW(mask);
269	mask &= ~(_FPU_MASK_IM \| _FPU_MASK_DM \| _FPU_MASK_ZM
270	\| _FPU_MASK_OM \| _FPU_MASK_UM);
271	_FPU_SETCW(mask);
272	}
273	#endif
274
275	crNetInit(crServerRecv, crServerClose);
276
277	cr_server.firstCallCreateContext = GL_TRUE;
278	cr_server.firstCallMakeCurrent = GL_TRUE;
279
280	cr_server.bIsInLoadingState = GL_FALSE;
281	cr_server.bIsInSavingState = GL_FALSE;
282
283	/*
284	* Create default mural info and hash table.
285	*/
286	cr_server.muralTable = crAllocHashtable();
287	defaultMural = (CRMuralInfo *) crCalloc(sizeof(CRMuralInfo));
288	crHashtableAdd(cr_server.muralTable, 0, defaultMural);
289
290	cr_server.programTable = crAllocHashtable();
291
292	crStateInit();
293
294	crStateLimitsInit( &(cr_server.limits) );
295
296	cr_server.barriers = crAllocHashtable();
297	cr_server.semaphores = crAllocHashtable();
298
299	crUnpackSetReturnPointer( &(cr_server.return_ptr) );
300	crUnpackSetWritebackPointer( &(cr_server.writeback_ptr) );
301
302	/*
303	* Default context
304	*/
305	cr_server.contextTable = crAllocHashtable();
306	cr_server.DummyContext = crStateCreateContext( &cr_server.limits,
307	CR_RGB_BIT \| CR_DEPTH_BIT, NULL );
308	cr_server.pContextCreateInfoTable = crAllocHashtable();
309	cr_server.pWindowCreateInfoTable = crAllocHashtable();
310
311	crServerSetVBoxConfigurationHGCM();
312
313	if (!cr_server.head_spu)
314	return GL_FALSE;
315
316	crServerInitDispatch();
317	crStateDiffAPI( &(cr_server.head_spu->dispatch_table) );
318
319	return GL_TRUE;
320	}
321
322	int32_t crVBoxServerAddClient(uint32_t u32ClientID)
323	{
324	CRClient *newClient;
325
326	if (cr_server.numClients>=CR_MAX_CLIENTS)
327	{
328	return VERR_MAX_THRDS_REACHED;
329	}
330
331	newClient = (CRClient *) crCalloc(sizeof(CRClient));
332	crDebug("crServer: AddClient u32ClientID=%d", u32ClientID);
333
334	newClient->spu_id = 0;
335	newClient->currentCtx = cr_server.DummyContext;
336	newClient->currentContextNumber = -1;
337	newClient->conn = crNetAcceptClient(cr_server.protocol, NULL,
338	cr_server.tcpip_port,
339	cr_server.mtu, 0);
340	newClient->conn->u32ClientID = u32ClientID;
341
342	cr_server.clients[cr_server.numClients++] = newClient;
343
344	crServerAddToRunQueue(newClient);
345
346	return VINF_SUCCESS;
347	}
348
349	void crVBoxServerRemoveClient(uint32_t u32ClientID)
350	{
351	CRClient *pClient;
352	int32_t i;
353
354	crDebug("crServer: RemoveClient u32ClientID=%d", u32ClientID);
355
356	for (i = 0; i < cr_server.numClients; i++)
357	{
358	if (cr_server.clients[i] && cr_server.clients[i]->conn
359	&& cr_server.clients[i]->conn->u32ClientID==u32ClientID)
360	{
361	break;
362	}
363	}
364	pClient = cr_server.clients[i];
365	CRASSERT(pClient);
366
367	/* Disconnect the client */
368	pClient->conn->Disconnect(pClient->conn);
369
370	/* Let server clear client from the queue */
371	crServerDeleteClient(pClient);
372	}
373
374	int32_t crVBoxServerClientWrite(uint32_t u32ClientID, uint8_t *pBuffer, uint32_t cbBuffer)
375	{
376	CRClient *pClient;
377	int32_t i;
378
379	//crDebug("crServer: [%x] ClientWrite u32ClientID=%d", crThreadID(), u32ClientID);
380
381	for (i = 0; i < cr_server.numClients; i++)
382	{
383	if (cr_server.clients[i] && cr_server.clients[i]->conn
384	&& cr_server.clients[i]->conn->u32ClientID==u32ClientID)
385	{
386	break;
387	}
388	}
389	pClient = cr_server.clients[i];
390	CRASSERT(pClient);
391
392	if (!pClient->conn->vMajor) return VERR_NOT_SUPPORTED;
393
394	CRASSERT(pBuffer);
395
396	/* This should never fire unless we start to multithread */
397	CRASSERT(pClient->conn->pBuffer==NULL && pClient->conn->cbBuffer==0);
398
399	/* Check if there's a blocker in queue and it's not this client */
400	if (cr_server.run_queue->client != pClient
401	&& crServerClientInBeginEnd(cr_server.run_queue->client))
402	{
403	crDebug("crServer: client %d blocked, allow_redir_ptr = 0", u32ClientID);
404	pClient->conn->allow_redir_ptr = 0;
405	}
406	else
407	{
408	pClient->conn->allow_redir_ptr = 1;
409	}
410
411	pClient->conn->pBuffer = pBuffer;
412	pClient->conn->cbBuffer = cbBuffer;
413
414	crNetRecv();
415	CRASSERT(pClient->conn->pBuffer==NULL && pClient->conn->cbBuffer==0);
416
417	crServerServiceClients();
418
419	#if 0
420	if (pClient->currentMural) {
421	crStateViewport( 0, 0, 500, 500 );
422	pClient->currentMural->viewportValidated = GL_FALSE;
423	cr_server.head_spu->dispatch_table.Viewport( 0, 0, 500, 500 );
424	crStateViewport( 0, 0, 600, 600 );
425	pClient->currentMural->viewportValidated = GL_FALSE;
426	cr_server.head_spu->dispatch_table.Viewport( 0, 0, 600, 600 );
427
428	crStateMatrixMode(GL_PROJECTION);
429	cr_server.head_spu->dispatch_table.MatrixMode(GL_PROJECTION);
430	crServerDispatchLoadIdentity();
431	crStateFrustum(-0.6, 0.6, -0.5, 0.5, 1.5, 150.0);
432	cr_server.head_spu->dispatch_table.Frustum(-0.6, 0.6, -0.5, 0.5, 1.5, 150.0);
433	crServerDispatchLoadIdentity();
434	crStateFrustum(-0.5, 0.5, -0.5, 0.5, 1.5, 150.0);
435	cr_server.head_spu->dispatch_table.Frustum(-0.5, 0.5, -0.5, 0.5, 1.5, 150.0);
436
437	crStateMatrixMode(GL_MODELVIEW);
438	cr_server.head_spu->dispatch_table.MatrixMode(GL_MODELVIEW);
439	crServerDispatchLoadIdentity();
440	crStateFrustum(-0.5, 0.5, -0.5, 0.5, 1.5, 150.0);
441	cr_server.head_spu->dispatch_table.Frustum(-0.5, 0.5, -0.5, 0.5, 1.5, 150.0);
442	crServerDispatchLoadIdentity();
443	}
444	#endif
445
446	crStateResetCurrentPointers(&cr_server.current);
447
448	CRASSERT(!pClient->conn->allow_redir_ptr \|\| crNetNumMessages(pClient->conn)==0);
449
450	return VINF_SUCCESS;
451	}
452
453	int32_t crVBoxServerClientRead(uint32_t u32ClientID, uint8_t pBuffer, uint32_t pcbBuffer)
454	{
455	CRClient *pClient;
456	int32_t i;
457
458	//crDebug("crServer: [%x] ClientRead u32ClientID=%d", crThreadID(), u32ClientID);
459
460	for (i = 0; i < cr_server.numClients; i++)
461	{
462	if (cr_server.clients[i] && cr_server.clients[i]->conn
463	&& cr_server.clients[i]->conn->u32ClientID==u32ClientID)
464	{
465	break;
466	}
467	}
468	pClient = cr_server.clients[i];
469	CRASSERT(pClient);
470
471	if (!pClient->conn->vMajor) return VERR_NOT_SUPPORTED;
472
473	if (pClient->conn->cbHostBuffer > *pcbBuffer)
474	{
475	crDebug("crServer: [%lx] ClientRead u32ClientID=%d FAIL, host buffer too small %d of %d",
476	crThreadID(), u32ClientID, *pcbBuffer, pClient->conn->cbHostBuffer);
477
478	/* Return the size of needed buffer */
479	*pcbBuffer = pClient->conn->cbHostBuffer;
480
481	return VERR_BUFFER_OVERFLOW;
482	}
483
484	*pcbBuffer = pClient->conn->cbHostBuffer;
485
486	if (*pcbBuffer)
487	{
488	CRASSERT(pClient->conn->pHostBuffer);
489
490	crMemcpy(pBuffer, pClient->conn->pHostBuffer, *pcbBuffer);
491	pClient->conn->cbHostBuffer = 0;
492	}
493
494	return VINF_SUCCESS;
495	}
496
497	int32_t crVBoxServerClientSetVersion(uint32_t u32ClientID, uint32_t vMajor, uint32_t vMinor)
498	{
499	CRClient *pClient;
500	int32_t i;
501
502	for (i = 0; i < cr_server.numClients; i++)
503	{
504	if (cr_server.clients[i] && cr_server.clients[i]->conn
505	&& cr_server.clients[i]->conn->u32ClientID==u32ClientID)
506	{
507	break;
508	}
509	}
510	pClient = cr_server.clients[i];
511	CRASSERT(pClient);
512
513	pClient->conn->vMajor = vMajor;
514	pClient->conn->vMinor = vMinor;
515
516	if (vMajor != CR_PROTOCOL_VERSION_MAJOR
517	\|\| vMinor != CR_PROTOCOL_VERSION_MINOR)
518	{
519	return VERR_NOT_SUPPORTED;
520	}
521	else return VINF_SUCCESS;
522	}
523
524	int
525	CRServerMain(int argc, char *argv[])
526	{
527	crServerInit(argc, argv);
528
529	crServerSerializeRemoteStreams();
530
531	crServerTearDown();
532
533	tearingdown = 0;
534
535	return 0;
536	}
537
538	static void crVBoxServerSaveMuralCB(unsigned long key, void data1, void data2)
539	{
540	CRMuralInfo pMI = (CRMuralInfo) data1;
541	PSSMHANDLE pSSM = (PSSMHANDLE) data2;
542	int32_t rc;
543
544	CRASSERT(pMI && pSSM);
545
546	/* Don't store default mural */
547	if (!key) return;
548
549	rc = SSMR3PutMem(pSSM, &key, sizeof(key));
550	CRASSERT(rc == VINF_SUCCESS);
551
552	rc = SSMR3PutMem(pSSM, pMI, sizeof(*pMI));
553	CRASSERT(rc == VINF_SUCCESS);
554	}
555
556	/* @todo add hashtable walker with result info and intermediate abort */
557	static void crVBoxServerSaveCreateInfoCB(unsigned long key, void data1, void data2)
558	{
559	CRCreateInfo_t pCreateInfo = (CRCreateInfo_t ) data1;
560	PSSMHANDLE pSSM = (PSSMHANDLE) data2;
561	int32_t rc;
562
563	CRASSERT(pCreateInfo && pSSM);
564
565	rc = SSMR3PutMem(pSSM, &key, sizeof(key));
566	CRASSERT(rc == VINF_SUCCESS);
567
568	rc = SSMR3PutMem(pSSM, pCreateInfo, sizeof(*pCreateInfo));
569	CRASSERT(rc == VINF_SUCCESS);
570
571	if (pCreateInfo->pszDpyName)
572	{
573	rc = SSMR3PutStrZ(pSSM, pCreateInfo->pszDpyName);
574	CRASSERT(rc == VINF_SUCCESS);
575	}
576	}
577
578	static void crVBoxServerSyncTextureCB(unsigned long key, void data1, void data2)
579	{
580	CRTextureObj pTexture = (CRTextureObj ) data1;
581	CRContext pContext = (CRContext ) data2;
582
583	CRASSERT(pTexture && pContext);
584	crStateTextureObjectDiff(pContext, NULL, NULL, pTexture, GL_TRUE);
585	}
586
587	static void crVBoxServerSaveContextStateCB(unsigned long key, void data1, void data2)
588	{
589	CRContext pContext = (CRContext ) data1;
590	PSSMHANDLE pSSM = (PSSMHANDLE) data2;
591	int32_t rc;
592
593	CRASSERT(pContext && pSSM);
594
595	/* We could have skipped saving the key and use similar callback to load context states back,
596	* but there's no guarantee we'd traverse hashtable in same order after loading.
597	*/
598	rc = SSMR3PutMem(pSSM, &key, sizeof(key));
599	CRASSERT(rc == VINF_SUCCESS);
600
601	#ifdef CR_STATE_NO_TEXTURE_IMAGE_STORE
602	if (cr_server.curClient)
603	{
604	unsigned long id;
605	if (!crHashtableGetDataKey(cr_server.contextTable, pContext, &id))
606	{
607	crWarning("No client id for server ctx %d", pContext->id);
608	}
609	else
610	{
611	crServerDispatchMakeCurrent(cr_server.curClient->currentWindow, 0, id);
612	}
613	}
614	#endif
615
616	rc = crStateSaveContext(pContext, pSSM);
617	CRASSERT(rc == VINF_SUCCESS);
618	}
619
620	static uint32_t g_hackVBoxServerSaveLoadCallsLeft = 0;
621
622	DECLEXPORT(int32_t) crVBoxServerSaveState(PSSMHANDLE pSSM)
623	{
624	int32_t rc, i;
625	uint32_t ui32;
626	GLboolean b;
627	unsigned long key;
628	#ifdef CR_STATE_NO_TEXTURE_IMAGE_STORE
629	unsigned long ctxID=-1, winID=-1;
630	#endif
631
632	/* We shouldn't be called if there's no clients at all*/
633	CRASSERT(cr_server.numClients>0);
634
635	/* @todo it's hack atm */
636	/* We want to be called only once to save server state but atm we're being called from svcSaveState
637	* for every connected client (e.g. guest opengl application)
638	*/
639	if (!cr_server.bIsInSavingState) /* It's first call */
640	{
641	cr_server.bIsInSavingState = GL_TRUE;
642
643	/* Store number of clients */
644	rc = SSMR3PutU32(pSSM, (uint32_t) cr_server.numClients);
645	AssertRCReturn(rc, rc);
646
647	g_hackVBoxServerSaveLoadCallsLeft = cr_server.numClients;
648	}
649
650	g_hackVBoxServerSaveLoadCallsLeft--;
651
652	/* Do nothing untill we're being called last time */
653	if (g_hackVBoxServerSaveLoadCallsLeft>0)
654	{
655	return VINF_SUCCESS;
656	}
657
658	/* Save rendering contexts creation info */
659	ui32 = crHashtableNumElements(cr_server.pContextCreateInfoTable);
660	rc = SSMR3PutU32(pSSM, (uint32_t) ui32);
661	AssertRCReturn(rc, rc);
662	crHashtableWalk(cr_server.pContextCreateInfoTable, crVBoxServerSaveCreateInfoCB, pSSM);
663
664	#ifdef CR_STATE_NO_TEXTURE_IMAGE_STORE
665	/* Save current win and ctx IDs, as we'd rebind contexts when saving textures */
666	if (cr_server.curClient)
667	{
668	ctxID = cr_server.curClient->currentContextNumber;
669	winID = cr_server.curClient->currentWindow;
670	}
671	#endif
672
673	/* Save contexts state tracker data */
674	/* @todo For now just some blind data dumps,
675	* but I've a feeling those should be saved/restored in a very strict sequence to
676	* allow diff_api to work correctly.
677	* Should be tested more with multiply guest opengl apps working when saving VM snapshot.
678	*/
679	crHashtableWalk(cr_server.contextTable, crVBoxServerSaveContextStateCB, pSSM);
680
681	#ifdef CR_STATE_NO_TEXTURE_IMAGE_STORE
682	/* Restore original win and ctx IDs*/
683	if (cr_server.curClient)
684	{
685	crServerDispatchMakeCurrent(winID, 0, ctxID);
686	}
687	#endif
688
689	/* Save windows creation info */
690	ui32 = crHashtableNumElements(cr_server.pWindowCreateInfoTable);
691	rc = SSMR3PutU32(pSSM, (uint32_t) ui32);
692	AssertRCReturn(rc, rc);
693	crHashtableWalk(cr_server.pWindowCreateInfoTable, crVBoxServerSaveCreateInfoCB, pSSM);
694
695	/* Save cr_server.muralTable
696	* @todo we don't need it all, just geometry info actually
697	* @todo store visible regions as well
698	*/
699	ui32 = crHashtableNumElements(cr_server.muralTable);
700	/* There should be default mural always */
701	CRASSERT(ui32>=1);
702	rc = SSMR3PutU32(pSSM, (uint32_t) ui32-1);
703	AssertRCReturn(rc, rc);
704	crHashtableWalk(cr_server.muralTable, crVBoxServerSaveMuralCB, pSSM);
705
706	/* Save starting free context and window IDs */
707	rc = SSMR3PutMem(pSSM, &cr_server.idsPool, sizeof(cr_server.idsPool));
708	AssertRCReturn(rc, rc);
709
710	/* Save clients info */
711	for (i = 0; i < cr_server.numClients; i++)
712	{
713	if (cr_server.clients[i] && cr_server.clients[i]->conn)
714	{
715	CRClient *pClient = cr_server.clients[i];
716
717	rc = SSMR3PutU32(pSSM, pClient->conn->u32ClientID);
718	AssertRCReturn(rc, rc);
719
720	rc = SSMR3PutU32(pSSM, pClient->conn->vMajor);
721	AssertRCReturn(rc, rc);
722
723	rc = SSMR3PutU32(pSSM, pClient->conn->vMinor);
724	AssertRCReturn(rc, rc);
725
726	rc = SSMR3PutMem(pSSM, pClient, sizeof(*pClient));
727	AssertRCReturn(rc, rc);
728
729	if (pClient->currentCtx && pClient->currentContextNumber>=0)
730	{
731	b = crHashtableGetDataKey(cr_server.contextTable, pClient->currentCtx, &key);
732	CRASSERT(b);
733	rc = SSMR3PutMem(pSSM, &key, sizeof(key));
734	AssertRCReturn(rc, rc);
735	}
736
737	if (pClient->currentMural && pClient->currentWindow>=0)
738	{
739	b = crHashtableGetDataKey(cr_server.muralTable, pClient->currentMural, &key);
740	CRASSERT(b);
741	rc = SSMR3PutMem(pSSM, &key, sizeof(key));
742	AssertRCReturn(rc, rc);
743	}
744	}
745	}
746
747	cr_server.bIsInSavingState = GL_FALSE;
748
749	return VINF_SUCCESS;
750	}
751
752	DECLEXPORT(int32_t) crVBoxServerLoadState(PSSMHANDLE pSSM, uint32_t version)
753	{
754	int32_t rc, i;
755	uint32_t ui, uiNumElems;
756	unsigned long key;
757
758	if (!cr_server.bIsInLoadingState)
759	{
760	/* AssertRCReturn(...) will leave us in loading state, but it doesn't matter as we'd be failing anyway */
761	cr_server.bIsInLoadingState = GL_TRUE;
762
763	/* Read number of clients */
764	rc = SSMR3GetU32(pSSM, &g_hackVBoxServerSaveLoadCallsLeft);
765	AssertRCReturn(rc, rc);
766	}
767
768	g_hackVBoxServerSaveLoadCallsLeft--;
769
770	/* Do nothing untill we're being called last time */
771	if (g_hackVBoxServerSaveLoadCallsLeft>0)
772	{
773	return VINF_SUCCESS;
774	}
775
776	/* Load and recreate rendering contexts */
777	rc = SSMR3GetU32(pSSM, &uiNumElems);
778	AssertRCReturn(rc, rc);
779	for (ui=0; ui<uiNumElems; ++ui)
780	{
781	CRCreateInfo_t createInfo;
782	char psz[200];
783	GLint ctxID;
784
785	rc = SSMR3GetMem(pSSM, &key, sizeof(key));
786	AssertRCReturn(rc, rc);
787	rc = SSMR3GetMem(pSSM, &createInfo, sizeof(createInfo));
788	AssertRCReturn(rc, rc);
789
790	if (createInfo.pszDpyName)
791	{
792	rc = SSMR3GetStrZEx(pSSM, psz, 200, NULL);
793	AssertRCReturn(rc, rc);
794	createInfo.pszDpyName = psz;
795	}
796
797	ctxID = crServerDispatchCreateContextEx(createInfo.pszDpyName, createInfo.visualBits, 0, key, createInfo.internalID);
798	CRASSERT((int64_t)ctxID == (int64_t)key);
799	}
800
801	/* Restore context state data */
802	for (ui=0; ui<uiNumElems; ++ui)
803	{
804	CRContext *pContext;
805
806	rc = SSMR3GetMem(pSSM, &key, sizeof(key));
807	AssertRCReturn(rc, rc);
808
809	pContext = (CRContext*) crHashtableSearch(cr_server.contextTable, key);
810	CRASSERT(pContext);
811
812	rc = crStateLoadContext(pContext, pSSM);
813	AssertRCReturn(rc, rc);
814	}
815
816	/* Load windows */
817	rc = SSMR3GetU32(pSSM, &uiNumElems);
818	AssertRCReturn(rc, rc);
819	for (ui=0; ui<uiNumElems; ++ui)
820	{
821	CRCreateInfo_t createInfo;
822	char psz[200];
823	GLint winID;
824	unsigned long key;
825
826	rc = SSMR3GetMem(pSSM, &key, sizeof(key));
827	AssertRCReturn(rc, rc);
828	rc = SSMR3GetMem(pSSM, &createInfo, sizeof(createInfo));
829	AssertRCReturn(rc, rc);
830
831	if (createInfo.pszDpyName)
832	{
833	rc = SSMR3GetStrZEx(pSSM, psz, 200, NULL);
834	AssertRCReturn(rc, rc);
835	createInfo.pszDpyName = psz;
836	}
837
838	winID = crServerDispatchWindowCreateEx(createInfo.pszDpyName, createInfo.visualBits, key);
839	CRASSERT((int64_t)winID == (int64_t)key);
840	}
841
842	/* Load cr_server.muralTable */
843	rc = SSMR3GetU32(pSSM, &uiNumElems);
844	AssertRCReturn(rc, rc);
845	for (ui=0; ui<uiNumElems; ++ui)
846	{
847	CRMuralInfo muralInfo;
848
849	rc = SSMR3GetMem(pSSM, &key, sizeof(key));
850	AssertRCReturn(rc, rc);
851	rc = SSMR3GetMem(pSSM, &muralInfo, sizeof(muralInfo));
852	AssertRCReturn(rc, rc);
853
854	/* Restore windows geometry info */
855	crServerDispatchWindowSize(key, muralInfo.width, muralInfo.height);
856	crServerDispatchWindowPosition(key, muralInfo.gX, muralInfo.gY);
857	}
858
859	/* Load starting free context and window IDs */
860	rc = SSMR3GetMem(pSSM, &cr_server.idsPool, sizeof(cr_server.idsPool));
861	CRASSERT(rc == VINF_SUCCESS);
862
863	/* Load clients info */
864	for (i = 0; i < cr_server.numClients; i++)
865	{
866	if (cr_server.clients[i] && cr_server.clients[i]->conn)
867	{
868	CRClient *pClient = cr_server.clients[i];
869	CRClient client;
870	unsigned long ctxID=-1, winID=-1;
871
872	rc = SSMR3GetU32(pSSM, &ui);
873	AssertRCReturn(rc, rc);
874	/* If this assert fires, then we should search correct client in the list first*/
875	CRASSERT(ui == pClient->conn->u32ClientID);
876
877	if (version>=4)
878	{
879	rc = SSMR3GetU32(pSSM, &pClient->conn->vMajor);
880	AssertRCReturn(rc, rc);
881
882	rc = SSMR3GetU32(pSSM, &pClient->conn->vMinor);
883	AssertRCReturn(rc, rc);
884	}
885
886	rc = SSMR3GetMem(pSSM, &client, sizeof(client));
887	CRASSERT(rc == VINF_SUCCESS);
888
889	client.conn = pClient->conn;
890	/* We can't reassign client number, as we'd get wrong results in TranslateTextureID
891	* and fail to bind old textures.
892	*/
893	/client.number = pClient->number;/
894	*pClient = client;
895
896	pClient->currentContextNumber = -1;
897	pClient->currentCtx = cr_server.DummyContext;
898	pClient->currentMural = NULL;
899	pClient->currentWindow = -1;
900
901	cr_server.curClient = pClient;
902
903	if (client.currentCtx && client.currentContextNumber>=0)
904	{
905	rc = SSMR3GetMem(pSSM, &ctxID, sizeof(ctxID));
906	AssertRCReturn(rc, rc);
907	client.currentCtx = (CRContext*) crHashtableSearch(cr_server.contextTable, ctxID);
908	CRASSERT(client.currentCtx);
909	//pClient->currentCtx = client.currentCtx;
910	//pClient->currentContextNumber = ctxID;
911	}
912
913	if (client.currentMural && client.currentWindow>=0)
914	{
915	rc = SSMR3GetMem(pSSM, &winID, sizeof(winID));
916	AssertRCReturn(rc, rc);
917	client.currentMural = (CRMuralInfo*) crHashtableSearch(cr_server.muralTable, winID);
918	CRASSERT(client.currentMural);
919	//pClient->currentMural = client.currentMural;
920	//pClient->currentWindow = winID;
921	}
922
923	/* Restore client active context and window */
924	crServerDispatchMakeCurrent(winID, 0, ctxID);
925
926	if (0)
927	{
928	CRContext *tmpCtx;
929	CRCreateInfo_t *createInfo;
930	GLfloat one[4] = { 1, 1, 1, 1 };
931	GLfloat amb[4] = { 0.4f, 0.4f, 0.4f, 1.0f };
932
933	crServerDispatchMakeCurrent(winID, 0, ctxID);
934
935	crHashtableWalk(client.currentCtx->shared->textureTable, crVBoxServerSyncTextureCB, client.currentCtx);
936
937	crStateTextureObjectDiff(client.currentCtx, NULL, NULL, &client.currentCtx->texture.base1D, GL_TRUE);
938	crStateTextureObjectDiff(client.currentCtx, NULL, NULL, &client.currentCtx->texture.base2D, GL_TRUE);
939	crStateTextureObjectDiff(client.currentCtx, NULL, NULL, &client.currentCtx->texture.base3D, GL_TRUE);
940	#ifdef CR_ARB_texture_cube_map
941	crStateTextureObjectDiff(client.currentCtx, NULL, NULL, &client.currentCtx->texture.baseCubeMap, GL_TRUE);
942	#endif
943	#ifdef CR_NV_texture_rectangle
944	//@todo this doesn't work as expected
945	//crStateTextureObjectDiff(client.currentCtx, NULL, NULL, &client.currentCtx->texture.baseRect, GL_TRUE);
946	#endif
947	/*cr_server.head_spu->dispatch_table.Materialfv(GL_FRONT_AND_BACK, GL_AMBIENT, amb);
948	cr_server.head_spu->dispatch_table.LightModelfv(GL_LIGHT_MODEL_AMBIENT, amb);
949	cr_server.head_spu->dispatch_table.Lightfv(GL_LIGHT1, GL_DIFFUSE, one);
950
951	cr_server.head_spu->dispatch_table.Enable(GL_LIGHTING);
952	cr_server.head_spu->dispatch_table.Enable(GL_LIGHT0);
953	cr_server.head_spu->dispatch_table.Enable(GL_LIGHT1);
954
955	cr_server.head_spu->dispatch_table.Enable(GL_CULL_FACE);
956	cr_server.head_spu->dispatch_table.Enable(GL_TEXTURE_2D);*/
957
958	//crStateViewport( 0, 0, 600, 600 );
959	//pClient->currentMural->viewportValidated = GL_FALSE;
960	//cr_server.head_spu->dispatch_table.Viewport( 0, 0, 600, 600 );
961
962	//crStateMatrixMode(GL_PROJECTION);
963	//cr_server.head_spu->dispatch_table.MatrixMode(GL_PROJECTION);
964
965	//crStateLoadIdentity();
966	//cr_server.head_spu->dispatch_table.LoadIdentity();
967
968	//crStateFrustum(-0.5, 0.5, -0.5, 0.5, 1.5, 150.0);
969	//cr_server.head_spu->dispatch_table.Frustum(-0.5, 0.5, -0.5, 0.5, 1.5, 150.0);
970
971	//crStateMatrixMode(GL_MODELVIEW);
972	//cr_server.head_spu->dispatch_table.MatrixMode(GL_MODELVIEW);
973	//crServerDispatchLoadIdentity();
974	//crStateFrustum(-0.5, 0.5, -0.5, 0.5, 1.5, 150.0);
975	//cr_server.head_spu->dispatch_table.Frustum(-0.5, 0.5, -0.5, 0.5, 1.5, 150.0);
976	//crServerDispatchLoadIdentity();
977
978	/createInfo = (CRCreateInfo_t ) crHashtableSearch(cr_server.pContextCreateInfoTable, ctxID);
979	CRASSERT(createInfo);
980	tmpCtx = crStateCreateContext(NULL, createInfo->visualBits, NULL);
981	CRASSERT(tmpCtx);
982	crStateDiffContext(tmpCtx, client.currentCtx);
983	crStateDestroyContext(tmpCtx);*/
984	}
985	}
986	}
987
988	//crServerDispatchMakeCurrent(-1, 0, -1);
989
990	cr_server.curClient = NULL;
991
992	{
993	GLenum err = crServerDispatchGetError();
994
995	if (err != GL_NO_ERROR)
996	{
997	crWarning("crServer: glGetError %d after loading snapshot", err);
998	}
999	}
1000
1001	cr_server.bIsInLoadingState = GL_FALSE;
1002
1003	return VINF_SUCCESS;
1004	}
1005
1006	#define SCREEN(i) (cr_server.screen[i])
1007	#define MAPPED(screen) ((screen).winID != 0)
1008
1009	static void crVBoxServerReparentMuralCB(unsigned long key, void data1, void data2)
1010	{
1011	CRMuralInfo pMI = (CRMuralInfo) data1;
1012	int sIndex = (int) data2;
1013
1014	if (pMI->screenId == *sIndex)
1015	{
1016	renderspuReparentWindow(pMI->spuWindow);
1017	}
1018	}
1019
1020	static void crVBoxServerCheckMuralCB(unsigned long key, void data1, void data2)
1021	{
1022	CRMuralInfo pMI = (CRMuralInfo) data1;
1023	(void) data2;
1024
1025	crServerCheckMuralGeometry(pMI);
1026	}
1027
1028	DECLEXPORT(int32_t) crVBoxServerSetScreenCount(int sCount)
1029	{
1030	int i;
1031
1032	if (sCount>CR_MAX_GUEST_MONITORS)
1033	return VERR_INVALID_PARAMETER;
1034
1035	/Shouldn't happen yet, but to be safe in future/
1036	for (i=0; i<cr_server.screenCount; ++i)
1037	{
1038	if (MAPPED(SCREEN(i)))
1039	crWarning("Screen count is changing, but screen[%i] is still mapped", i);
1040	return VERR_NOT_IMPLEMENTED;
1041	}
1042
1043	cr_server.screenCount = sCount;
1044
1045	for (i=0; i<sCount; ++i)
1046	{
1047	SCREEN(i).winID = 0;
1048	}
1049
1050	return VINF_SUCCESS;
1051	}
1052
1053	DECLEXPORT(int32_t) crVBoxServerUnmapScreen(int sIndex)
1054	{
1055	if (sIndex<0 \|\| sIndex>=cr_server.screenCount)
1056	return VERR_INVALID_PARAMETER;
1057
1058	if (MAPPED(SCREEN(sIndex)))
1059	{
1060	SCREEN(sIndex).winID = 0;
1061	renderspuSetWindowId(0);
1062
1063	crHashtableWalk(cr_server.muralTable, crVBoxServerReparentMuralCB, &sIndex);
1064	}
1065
1066	renderspuSetWindowId(SCREEN(0).winID);
1067	return VINF_SUCCESS;
1068	}
1069
1070	DECLEXPORT(int32_t) crVBoxServerMapScreen(int sIndex, int32_t x, int32_t y, uint32_t w, uint32_t h, uint64_t winID)
1071	{
1072	if (sIndex<0 \|\| sIndex>=cr_server.screenCount)
1073	return VERR_INVALID_PARAMETER;
1074
1075	if (winID==0)
1076	return VERR_INVALID_PARAMETER;
1077
1078	if (MAPPED(SCREEN(sIndex)) && SCREEN(sIndex).winID!=winID)
1079	{
1080	crWarning("Mapped screen[%i] is being remapped.", sIndex);
1081	crVBoxServerUnmapScreen(sIndex);
1082	}
1083
1084	SCREEN(sIndex).winID = winID;
1085	SCREEN(sIndex).x = x;
1086	SCREEN(sIndex).y = y;
1087	SCREEN(sIndex).w = w;
1088	SCREEN(sIndex).h = h;
1089
1090	renderspuSetWindowId(SCREEN(sIndex).winID);
1091	crHashtableWalk(cr_server.muralTable, crVBoxServerReparentMuralCB, &sIndex);
1092	renderspuSetWindowId(SCREEN(0).winID);
1093
1094	crHashtableWalk(cr_server.muralTable, crVBoxServerCheckMuralCB, NULL);
1095
1096	return VINF_SUCCESS;
1097	}
1098
1099	DECLEXPORT(int32_t) crVBoxServerSetRootVisibleRegion(GLint cRects, GLint *pRects)
1100	{
1101	renderspuSetRootVisibleRegion(cRects, pRects);
1102
1103	return VINF_SUCCESS;
1104	}
1105
1106	DECLEXPORT(void) crVBoxServerSetPresentFBOCB(PFNCRSERVERPRESENTFBO pfnPresentFBO)
1107	{
1108	cr_server.pfnPresentFBO = pfnPresentFBO;
1109	}

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source: vbox/trunk/src/VBox/HostServices/SharedOpenGL/crserverlib/server_main.c@ 28197

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