VirtualBox

source: vbox/trunk/src/VBox/Additions/common/crOpenGL/pack/packspu_context.c@ 46059

Last change on this file since 46059 was 46059, checked in by vboxsync, 12 years ago

crOpenGL fix some leaking on connection cleanup
  • Property svn:eol-style set to native
  • Property svn:keywords set to Id
File size: 13.0 KB
Line 
1/* Copyright (c) 2001, Stanford University
2 * All rights reserved
3 *
4 * See the file LICENSE.txt for information on redistributing this software.
5 */
6
7#include "packspu.h"
8#include "cr_mem.h"
9#include "cr_packfunctions.h"
10#include "cr_string.h"
11#include "packspu_proto.h"
12
13#define MAGIC_OFFSET 3000
14
15/*
16 * Allocate a new ThreadInfo structure, setup a connection to the
17 * server, allocate/init a packer context, bind this ThreadInfo to
18 * the calling thread with crSetTSD().
19 * We'll always call this function at least once even if we're not
20 * using threads.
21 */
22ThreadInfo *packspuNewThread(
23#if defined(VBOX_WITH_CRHGSMI) && defined(IN_GUEST)
24 struct VBOXUHGSMI *pHgsmi
25#endif
26)
27{
28 ThreadInfo *thread=NULL;
29 int i;
30
31#ifdef CHROMIUM_THREADSAFE
32 crLockMutex(&_PackMutex);
33#else
34 CRASSERT(pack_spu.numThreads == 0);
35#endif
36
37#if defined(VBOX_WITH_CRHGSMI) && defined(IN_GUEST)
38 CRASSERT(!CRPACKSPU_IS_WDDM_CRHGSMI() == !pHgsmi);
39#endif
40
41 CRASSERT(pack_spu.numThreads < MAX_THREADS);
42 for (i=0; i<MAX_THREADS; ++i)
43 {
44 if (!pack_spu.thread[i].inUse)
45 {
46 thread = &pack_spu.thread[i];
47 break;
48 }
49 }
50 CRASSERT(thread);
51
52 thread->inUse = GL_TRUE;
53 if (!CRPACKSPU_IS_WDDM_CRHGSMI())
54 thread->id = crThreadID();
55 else
56 thread->id = THREAD_OFFSET_MAGIC + i;
57 thread->currentContext = NULL;
58 thread->bInjectThread = GL_FALSE;
59
60 /* connect to the server */
61 thread->netServer.name = crStrdup( pack_spu.name );
62 thread->netServer.buffer_size = pack_spu.buffer_size;
63 packspuConnectToServer( &(thread->netServer)
64#if defined(VBOX_WITH_CRHGSMI) && defined(IN_GUEST)
65 , pHgsmi
66#endif
67 );
68 CRASSERT(thread->netServer.conn);
69 /* packer setup */
70 CRASSERT(thread->packer == NULL);
71 thread->packer = crPackNewContext( pack_spu.swap );
72 CRASSERT(thread->packer);
73 crPackInitBuffer( &(thread->buffer), crNetAlloc(thread->netServer.conn),
74 thread->netServer.conn->buffer_size, thread->netServer.conn->mtu );
75 thread->buffer.canBarf = thread->netServer.conn->Barf ? GL_TRUE : GL_FALSE;
76 crPackSetBuffer( thread->packer, &thread->buffer );
77 crPackFlushFunc( thread->packer, packspuFlush );
78 crPackFlushArg( thread->packer, (void *) thread );
79 crPackSendHugeFunc( thread->packer, packspuHuge );
80
81 if (!CRPACKSPU_IS_WDDM_CRHGSMI())
82 {
83 crPackSetContext( thread->packer );
84 }
85
86
87#ifdef CHROMIUM_THREADSAFE
88 if (!CRPACKSPU_IS_WDDM_CRHGSMI())
89 {
90 crSetTSD(&_PackTSD, thread);
91 }
92#endif
93
94 pack_spu.numThreads++;
95
96#ifdef CHROMIUM_THREADSAFE
97 crUnlockMutex(&_PackMutex);
98#endif
99 return thread;
100}
101
102GLint PACKSPU_APIENTRY
103packspu_VBoxConCreate(struct VBOXUHGSMI *pHgsmi)
104{
105#if defined(VBOX_WITH_CRHGSMI) && defined(IN_GUEST)
106 ThreadInfo * thread;
107 CRASSERT(CRPACKSPU_IS_WDDM_CRHGSMI());
108 CRASSERT(pHgsmi);
109
110 thread = packspuNewThread(pHgsmi);
111
112 if (thread)
113 {
114 CRASSERT(thread->id);
115 CRASSERT(thread->id - THREAD_OFFSET_MAGIC < RT_ELEMENTS(pack_spu.thread)
116 && GET_THREAD_VAL_ID(thread->id) == thread);
117 return thread->id;
118 }
119 crError("packspuNewThread failed");
120#endif
121 return 0;
122}
123
124void PACKSPU_APIENTRY
125packspu_VBoxConFlush(GLint con)
126{
127#if defined(VBOX_WITH_CRHGSMI) && defined(IN_GUEST)
128 GET_THREAD_ID(thread, con);
129 CRASSERT(con);
130 CRASSERT(CRPACKSPU_IS_WDDM_CRHGSMI());
131 CRASSERT(thread->packer);
132 packspuFlush((void *) thread);
133#else
134 crError("VBoxConFlush not implemented!");
135#endif
136}
137
138void PACKSPU_APIENTRY
139packspu_VBoxConDestroy(GLint con)
140{
141#if defined(VBOX_WITH_CRHGSMI) && defined(IN_GUEST)
142 GET_THREAD_ID(thread, con);
143 CRASSERT(con);
144 CRASSERT(CRPACKSPU_IS_WDDM_CRHGSMI());
145 CRASSERT(pack_spu.numThreads>0);
146 CRASSERT(thread->packer);
147 packspuFlush((void *) thread);
148
149 crLockMutex(&_PackMutex);
150
151 crPackDeleteContext(thread->packer);
152
153 if (thread->buffer.pack)
154 {
155 crNetFree(thread->netServer.conn, thread->buffer.pack);
156 thread->buffer.pack = NULL;
157 }
158
159 crNetFreeConnection(thread->netServer.conn);
160
161 if (thread->netServer.name)
162 crFree(thread->netServer.name);
163
164 pack_spu.numThreads--;
165 /*note can't shift the array here, because other threads have TLS references to array elements*/
166 crMemZero(thread, sizeof(ThreadInfo));
167
168#if 0
169 if (&pack_spu.thread[pack_spu.idxThreadInUse]==thread)
170 {
171 int i;
172 crError("Should not be here since idxThreadInUse should be always 0 for the dummy connection created in packSPUInit!");
173 for (i=0; i<MAX_THREADS; ++i)
174 {
175 if (pack_spu.thread[i].inUse)
176 {
177 pack_spu.idxThreadInUse=i;
178 break;
179 }
180 }
181 }
182#endif
183 crUnlockMutex(&_PackMutex);
184#endif
185}
186
187
188GLint PACKSPU_APIENTRY
189packspu_VBoxCreateContext( GLint con, const char *dpyName, GLint visual, GLint shareCtx )
190{
191 GET_THREAD(thread);
192 CRPackContext * curPacker = crPackGetContext();
193 ThreadInfo *curThread = thread;
194 int writeback = 1;
195 GLint serverCtx = (GLint) -1;
196 int slot;
197
198 CRASSERT(!curThread == !curPacker);
199 CRASSERT(!curThread || !curPacker || curThread->packer == curPacker);
200#ifdef CHROMIUM_THREADSAFE
201 crLockMutex(&_PackMutex);
202#endif
203
204#if defined(VBOX_WITH_CRHGSMI) && defined(IN_GUEST)
205 CRASSERT(!con == !CRPACKSPU_IS_WDDM_CRHGSMI());
206#endif
207
208 if (CRPACKSPU_IS_WDDM_CRHGSMI())
209 {
210 if (!con)
211 {
212 crError("connection should be specified!");
213 return -1;
214 }
215 thread = GET_THREAD_VAL_ID(con);
216 }
217 else
218 {
219 CRASSERT(!con);
220 if (!thread)
221 {
222 thread = packspuNewThread(
223#if defined(VBOX_WITH_CRHGSMI) && defined(IN_GUEST)
224 NULL
225#endif
226 );
227 }
228 }
229 CRASSERT(thread);
230 CRASSERT(thread->packer);
231
232 if (shareCtx > 0) {
233 /* translate to server ctx id */
234 shareCtx -= MAGIC_OFFSET;
235 if (shareCtx >= 0 && shareCtx < pack_spu.numContexts) {
236 shareCtx = pack_spu.context[shareCtx].serverCtx;
237 }
238 }
239
240 crPackSetContext( thread->packer );
241
242 /* Pack the command */
243 if (pack_spu.swap)
244 crPackCreateContextSWAP( dpyName, visual, shareCtx, &serverCtx, &writeback );
245 else
246 crPackCreateContext( dpyName, visual, shareCtx, &serverCtx, &writeback );
247
248 /* Flush buffer and get return value */
249 packspuFlush(thread);
250 if (!(thread->netServer.conn->actual_network))
251 {
252 /* HUMUNGOUS HACK TO MATCH SERVER NUMBERING
253 *
254 * The hack exists solely to make file networking work for now. This
255 * is totally gross, but since the server expects the numbers to start
256 * from 5000, we need to write them out this way. This would be
257 * marginally less gross if the numbers (500 and 5000) were maybe
258 * some sort of #define'd constants somewhere so the client and the
259 * server could be aware of how each other were numbering things in
260 * cases like file networking where they actually
261 * care.
262 *
263 * -Humper
264 *
265 */
266 serverCtx = 5000;
267 }
268 else {
269 CRPACKSPU_WRITEBACK_WAIT(thread, writeback);
270
271 if (pack_spu.swap) {
272 serverCtx = (GLint) SWAP32(serverCtx);
273 }
274 if (serverCtx < 0) {
275#ifdef CHROMIUM_THREADSAFE
276 crUnlockMutex(&_PackMutex);
277#endif
278 crWarning("Failure in packspu_CreateContext");
279
280 if (CRPACKSPU_IS_WDDM_CRHGSMI())
281 {
282 /* restore the packer context to the tls */
283 crPackSetContext(curPacker);
284 }
285 return -1; /* failed */
286 }
287 }
288
289 /* find an empty context slot */
290 for (slot = 0; slot < pack_spu.numContexts; slot++) {
291 if (!pack_spu.context[slot].clientState) {
292 /* found empty slot */
293 break;
294 }
295 }
296 if (slot == pack_spu.numContexts) {
297 pack_spu.numContexts++;
298 }
299
300 if (CRPACKSPU_IS_WDDM_CRHGSMI())
301 {
302 thread->currentContext = &pack_spu.context[slot];
303 pack_spu.context[slot].currentThread = thread;
304 }
305
306 /* Fill in the new context info */
307 /* XXX fix-up sharedCtx param here */
308 pack_spu.context[slot].clientState = crStateCreateContext(NULL, visual, NULL);
309 pack_spu.context[slot].clientState->bufferobject.retainBufferData = GL_TRUE;
310 pack_spu.context[slot].serverCtx = serverCtx;
311
312#ifdef CHROMIUM_THREADSAFE
313 crUnlockMutex(&_PackMutex);
314#endif
315
316 if (CRPACKSPU_IS_WDDM_CRHGSMI())
317 {
318 /* restore the packer context to the tls */
319 crPackSetContext(curPacker);
320 }
321
322 return MAGIC_OFFSET + slot;
323}
324
325GLint PACKSPU_APIENTRY
326packspu_CreateContext( const char *dpyName, GLint visual, GLint shareCtx )
327{
328 return packspu_VBoxCreateContext( 0, dpyName, visual, shareCtx );
329}
330
331
332void PACKSPU_APIENTRY packspu_DestroyContext( GLint ctx )
333{
334 GET_THREAD(thread);
335 ThreadInfo *curThread = thread;
336 const int slot = ctx - MAGIC_OFFSET;
337 ContextInfo *context, *curContext;
338 CRPackContext * curPacker = crPackGetContext();
339
340 CRASSERT(slot >= 0);
341 CRASSERT(slot < pack_spu.numContexts);
342
343 context = &(pack_spu.context[slot]);
344
345 if (CRPACKSPU_IS_WDDM_CRHGSMI())
346 {
347 thread = context->currentThread;
348 crPackSetContext(thread->packer);
349 CRASSERT(!(thread->packer == curPacker) == !(thread == curThread));
350 }
351 CRASSERT(thread);
352 curContext = curThread ? curThread->currentContext : NULL;
353
354 if (pack_spu.swap)
355 crPackDestroyContextSWAP( context->serverCtx );
356 else
357 crPackDestroyContext( context->serverCtx );
358
359 crStateDestroyContext( context->clientState );
360
361 context->clientState = NULL;
362 context->serverCtx = 0;
363 context->currentThread = NULL;
364
365 if (curContext == context)
366 {
367 if (!CRPACKSPU_IS_WDDM_CRHGSMI())
368 {
369 curThread->currentContext = NULL;
370 }
371 else
372 {
373 CRASSERT(thread == curThread);
374 crSetTSD(&_PackTSD, NULL);
375 crPackSetContext(NULL);
376 }
377 crStateMakeCurrent( NULL );
378 }
379 else
380 {
381 if (CRPACKSPU_IS_WDDM_CRHGSMI())
382 {
383 crPackSetContext(curPacker);
384 }
385 }
386}
387
388void PACKSPU_APIENTRY packspu_MakeCurrent( GLint window, GLint nativeWindow, GLint ctx )
389{
390 ThreadInfo *thread;
391 GLint serverCtx;
392 ContextInfo *newCtx;
393
394 if (!CRPACKSPU_IS_WDDM_CRHGSMI())
395 {
396 thread = GET_THREAD_VAL();
397 if (!thread) {
398 thread = packspuNewThread(
399#if defined(VBOX_WITH_CRHGSMI) && defined(IN_GUEST)
400 NULL
401#endif
402 );
403 }
404 CRASSERT(thread);
405 CRASSERT(thread->packer);
406 }
407
408 if (ctx) {
409 const int slot = ctx - MAGIC_OFFSET;
410
411 CRASSERT(slot >= 0);
412 CRASSERT(slot < pack_spu.numContexts);
413
414 newCtx = &pack_spu.context[slot];
415 CRASSERT(newCtx->clientState); /* verify valid */
416
417 if (CRPACKSPU_IS_WDDM_CRHGSMI())
418 {
419 thread = newCtx->currentThread;
420 CRASSERT(thread);
421 crSetTSD(&_PackTSD, thread);
422 crPackSetContext( thread->packer );
423 }
424 else
425 {
426 if (!newCtx->fAutoFlush)
427 {
428 if (newCtx->currentThread && newCtx->currentThread != thread)
429 {
430 crLockMutex(&_PackMutex);
431 /* do a flush for the previously assigned thread
432 * to ensure all commands issued there are submitted */
433 if (newCtx->currentThread
434 && newCtx->currentThread->inUse
435 && newCtx->currentThread->netServer.conn
436 && newCtx->currentThread->packer && newCtx->currentThread->packer->currentBuffer)
437 {
438 packspuFlush((void *) newCtx->currentThread);
439 }
440 crUnlockMutex(&_PackMutex);
441 }
442 newCtx->currentThread = thread;
443 }
444
445 thread->currentContext = newCtx;
446 crPackSetContext( thread->packer );
447 }
448
449 crStateMakeCurrent( newCtx->clientState );
450 //crStateSetCurrentPointers(newCtx->clientState, &thread->packer->current);
451 serverCtx = pack_spu.context[slot].serverCtx;
452 }
453 else {
454 crStateMakeCurrent( NULL );
455 if (CRPACKSPU_IS_WDDM_CRHGSMI())
456 {
457 thread = GET_THREAD_VAL();
458 if (!thread)
459 {
460 CRASSERT(crPackGetContext() == NULL);
461 return;
462 }
463 CRASSERT(thread->currentContext);
464 CRASSERT(thread->packer == crPackGetContext());
465 }
466 else
467 {
468 thread->currentContext = NULL;
469 }
470 newCtx = NULL;
471 serverCtx = 0;
472 }
473
474 if (pack_spu.swap)
475 crPackMakeCurrentSWAP( window, nativeWindow, serverCtx );
476 else
477 crPackMakeCurrent( window, nativeWindow, serverCtx );
478
479 {
480 GET_THREAD(t);
481 (void) t;
482 CRASSERT(t);
483 }
484}
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