1 /*
2 * Copyright (C) 2013 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <malloc.h>
18 #include <string.h>
19 #include <pthread.h>
20
21 #include "RenderScript.h"
22 #include "rsCppStructs.h"
23 #include "rsCppInternal.h"
24
25 #include <dlfcn.h>
26 #include <unistd.h>
27
28 #if !defined(RS_SERVER) && !defined(RS_COMPATIBILITY_LIB) && defined(HAVE_ANDROID_OS)
29 #include <cutils/properties.h>
30 #else
31 #include "rsCompatibilityLib.h"
32 #endif
33
34
35 using namespace android;
36 using namespace RSC;
37
38 bool RS::gInitialized = false;
39 bool RS::usingNative = false;
40 pthread_mutex_t RS::gInitMutex = PTHREAD_MUTEX_INITIALIZER;
41 dispatchTable* RS::dispatch = NULL;
42 static int gInitError = 0;
43
RS()44 RS::RS() {
45 mDev = NULL;
46 mContext = NULL;
47 mErrorFunc = NULL;
48 mMessageFunc = NULL;
49 mMessageRun = false;
50 mInit = false;
51 mCurrentError = RS_SUCCESS;
52
53 memset(&mElements, 0, sizeof(mElements));
54 memset(&mSamplers, 0, sizeof(mSamplers));
55 }
56
~RS()57 RS::~RS() {
58 if (mInit == true) {
59 mMessageRun = false;
60
61 if (mContext) {
62 RS::dispatch->ContextDeinitToClient(mContext);
63
64 void *res = NULL;
65 int status = pthread_join(mMessageThreadId, &res);
66
67 RS::dispatch->ContextDestroy(mContext);
68 mContext = NULL;
69 }
70 if (mDev) {
71 RS::dispatch->DeviceDestroy(mDev);
72 mDev = NULL;
73 }
74 }
75 }
76
init(std::string name,uint32_t flags)77 bool RS::init(std::string name, uint32_t flags) {
78 return RS::init(name, RS_VERSION, flags);
79 }
80
loadSymbols(void * handle)81 static bool loadSymbols(void* handle) {
82
83 RS::dispatch->AllocationGetType = (AllocationGetTypeFnPtr)dlsym(handle, "rsaAllocationGetType");
84 if (RS::dispatch->AllocationGetType == NULL) {
85 ALOGV("Couldn't initialize RS::dispatch->AllocationGetType");
86 return false;
87 }
88 RS::dispatch->TypeGetNativeData = (TypeGetNativeDataFnPtr)dlsym(handle, "rsaTypeGetNativeData");
89 if (RS::dispatch->TypeGetNativeData == NULL) {
90 ALOGV("Couldn't initialize RS::dispatch->TypeGetNativeData");
91 return false;
92 }
93 RS::dispatch->ElementGetNativeData = (ElementGetNativeDataFnPtr)dlsym(handle, "rsaElementGetNativeData");
94 if (RS::dispatch->ElementGetNativeData == NULL) {
95 ALOGV("Couldn't initialize RS::dispatch->ElementGetNativeData");
96 return false;
97 }
98 RS::dispatch->ElementGetSubElements = (ElementGetSubElementsFnPtr)dlsym(handle, "rsaElementGetSubElements");
99 if (RS::dispatch->ElementGetSubElements == NULL) {
100 ALOGV("Couldn't initialize RS::dispatch->ElementGetSubElements");
101 return false;
102 }
103 RS::dispatch->DeviceCreate = (DeviceCreateFnPtr)dlsym(handle, "rsDeviceCreate");
104 if (RS::dispatch->DeviceCreate == NULL) {
105 ALOGV("Couldn't initialize RS::dispatch->DeviceCreate");
106 return false;
107 }
108 RS::dispatch->DeviceDestroy = (DeviceDestroyFnPtr)dlsym(handle, "rsDeviceDestroy");
109 if (RS::dispatch->DeviceDestroy == NULL) {
110 ALOGV("Couldn't initialize RS::dispatch->DeviceDestroy");
111 return false;
112 }
113 RS::dispatch->DeviceSetConfig = (DeviceSetConfigFnPtr)dlsym(handle, "rsDeviceSetConfig");
114 if (RS::dispatch->DeviceSetConfig == NULL) {
115 ALOGV("Couldn't initialize RS::dispatch->DeviceSetConfig");
116 return false;
117 }
118 RS::dispatch->ContextCreate = (ContextCreateFnPtr)dlsym(handle, "rsContextCreate");;
119 if (RS::dispatch->ContextCreate == NULL) {
120 ALOGV("Couldn't initialize RS::dispatch->ContextCreate");
121 return false;
122 }
123 RS::dispatch->GetName = (GetNameFnPtr)dlsym(handle, "rsaGetName");;
124 if (RS::dispatch->GetName == NULL) {
125 ALOGV("Couldn't initialize RS::dispatch->GetName");
126 return false;
127 }
128 RS::dispatch->ContextDestroy = (ContextDestroyFnPtr)dlsym(handle, "rsContextDestroy");
129 if (RS::dispatch->ContextDestroy == NULL) {
130 ALOGV("Couldn't initialize RS::dispatch->ContextDestroy");
131 return false;
132 }
133 RS::dispatch->ContextGetMessage = (ContextGetMessageFnPtr)dlsym(handle, "rsContextGetMessage");
134 if (RS::dispatch->ContextGetMessage == NULL) {
135 ALOGV("Couldn't initialize RS::dispatch->ContextGetMessage");
136 return false;
137 }
138 RS::dispatch->ContextPeekMessage = (ContextPeekMessageFnPtr)dlsym(handle, "rsContextPeekMessage");
139 if (RS::dispatch->ContextPeekMessage == NULL) {
140 ALOGV("Couldn't initialize RS::dispatch->ContextPeekMessage");
141 return false;
142 }
143 RS::dispatch->ContextSendMessage = (ContextSendMessageFnPtr)dlsym(handle, "rsContextSendMessage");
144 if (RS::dispatch->ContextSendMessage == NULL) {
145 ALOGV("Couldn't initialize RS::dispatch->ContextSendMessage");
146 return false;
147 }
148 RS::dispatch->ContextInitToClient = (ContextInitToClientFnPtr)dlsym(handle, "rsContextInitToClient");
149 if (RS::dispatch->ContextInitToClient == NULL) {
150 ALOGV("Couldn't initialize RS::dispatch->ContextInitToClient");
151 return false;
152 }
153 RS::dispatch->ContextDeinitToClient = (ContextDeinitToClientFnPtr)dlsym(handle, "rsContextDeinitToClient");
154 if (RS::dispatch->ContextDeinitToClient == NULL) {
155 ALOGV("Couldn't initialize RS::dispatch->ContextDeinitToClient");
156 return false;
157 }
158 RS::dispatch->TypeCreate = (TypeCreateFnPtr)dlsym(handle, "rsTypeCreate");
159 if (RS::dispatch->TypeCreate == NULL) {
160 ALOGV("Couldn't initialize RS::dispatch->TypeCreate");
161 return false;
162 }
163 RS::dispatch->AllocationCreateTyped = (AllocationCreateTypedFnPtr)dlsym(handle, "rsAllocationCreateTyped");
164 if (RS::dispatch->AllocationCreateTyped == NULL) {
165 ALOGV("Couldn't initialize RS::dispatch->AllocationCreateTyped");
166 return false;
167 }
168 RS::dispatch->AllocationCreateFromBitmap = (AllocationCreateFromBitmapFnPtr)dlsym(handle, "rsAllocationCreateFromBitmap");
169 if (RS::dispatch->AllocationCreateFromBitmap == NULL) {
170 ALOGV("Couldn't initialize RS::dispatch->AllocationCreateFromBitmap");
171 return false;
172 }
173 RS::dispatch->AllocationCubeCreateFromBitmap = (AllocationCubeCreateFromBitmapFnPtr)dlsym(handle, "rsAllocationCubeCreateFromBitmap");
174 if (RS::dispatch->AllocationCubeCreateFromBitmap == NULL) {
175 ALOGV("Couldn't initialize RS::dispatch->AllocationCubeCreateFromBitmap");
176 return false;
177 }
178 RS::dispatch->AllocationGetSurface = (AllocationGetSurfaceFnPtr)dlsym(handle, "rsAllocationGetSurface");
179 if (RS::dispatch->AllocationGetSurface == NULL) {
180 ALOGV("Couldn't initialize RS::dispatch->AllocationGetSurface");
181 return false;
182 }
183 RS::dispatch->AllocationSetSurface = (AllocationSetSurfaceFnPtr)dlsym(handle, "rsAllocationSetSurface");
184 if (RS::dispatch->AllocationSetSurface == NULL) {
185 ALOGV("Couldn't initialize RS::dispatch->AllocationSetSurface");
186 return false;
187 }
188 RS::dispatch->ContextFinish = (ContextFinishFnPtr)dlsym(handle, "rsContextFinish");
189 if (RS::dispatch->ContextFinish == NULL) {
190 ALOGV("Couldn't initialize RS::dispatch->ContextFinish");
191 return false;
192 }
193 RS::dispatch->ContextDump = (ContextDumpFnPtr)dlsym(handle, "rsContextDump");
194 if (RS::dispatch->ContextDump == NULL) {
195 ALOGV("Couldn't initialize RS::dispatch->ContextDump");
196 return false;
197 }
198 RS::dispatch->ContextSetPriority = (ContextSetPriorityFnPtr)dlsym(handle, "rsContextSetPriority");
199 if (RS::dispatch->ContextSetPriority == NULL) {
200 ALOGV("Couldn't initialize RS::dispatch->ContextSetPriority");
201 return false;
202 }
203 RS::dispatch->AssignName = (AssignNameFnPtr)dlsym(handle, "rsAssignName");
204 if (RS::dispatch->AssignName == NULL) {
205 ALOGV("Couldn't initialize RS::dispatch->AssignName");
206 return false;
207 }
208 RS::dispatch->ObjDestroy = (ObjDestroyFnPtr)dlsym(handle, "rsObjDestroy");
209 if (RS::dispatch->ObjDestroy == NULL) {
210 ALOGV("Couldn't initialize RS::dispatch->ObjDestroy");
211 return false;
212 }
213 RS::dispatch->ElementCreate = (ElementCreateFnPtr)dlsym(handle, "rsElementCreate");
214 if (RS::dispatch->ElementCreate == NULL) {
215 ALOGV("Couldn't initialize RS::dispatch->ElementCreate");
216 return false;
217 }
218 RS::dispatch->ElementCreate2 = (ElementCreate2FnPtr)dlsym(handle, "rsElementCreate2");
219 if (RS::dispatch->ElementCreate2 == NULL) {
220 ALOGV("Couldn't initialize RS::dispatch->ElementCreate2");
221 return false;
222 }
223 RS::dispatch->AllocationCopyToBitmap = (AllocationCopyToBitmapFnPtr)dlsym(handle, "rsAllocationCopyToBitmap");
224 if (RS::dispatch->AllocationCopyToBitmap == NULL) {
225 ALOGV("Couldn't initialize RS::dispatch->AllocationCopyToBitmap");
226 return false;
227 }
228 RS::dispatch->Allocation1DData = (Allocation1DDataFnPtr)dlsym(handle, "rsAllocation1DData");
229 if (RS::dispatch->Allocation1DData == NULL) {
230 ALOGV("Couldn't initialize RS::dispatch->Allocation1DData");
231 return false;
232 }
233 RS::dispatch->Allocation1DElementData = (Allocation1DElementDataFnPtr)dlsym(handle, "rsAllocation1DElementData");
234 if (RS::dispatch->Allocation1DElementData == NULL) {
235 ALOGV("Couldn't initialize RS::dispatch->Allocation1DElementData");
236 return false;
237 }
238 RS::dispatch->Allocation2DData = (Allocation2DDataFnPtr)dlsym(handle, "rsAllocation2DData");
239 if (RS::dispatch->Allocation2DData == NULL) {
240 ALOGV("Couldn't initialize RS::dispatch->Allocation2DData");
241 return false;
242 }
243 RS::dispatch->Allocation3DData = (Allocation3DDataFnPtr)dlsym(handle, "rsAllocation3DData");
244 if (RS::dispatch->Allocation3DData == NULL) {
245 ALOGV("Couldn't initialize RS::dispatch->Allocation3DData");
246 return false;
247 }
248 RS::dispatch->AllocationGenerateMipmaps = (AllocationGenerateMipmapsFnPtr)dlsym(handle, "rsAllocationGenerateMipmaps");
249 if (RS::dispatch->AllocationGenerateMipmaps == NULL) {
250 ALOGV("Couldn't initialize RS::dispatch->AllocationGenerateMipmaps");
251 return false;
252 }
253 RS::dispatch->AllocationRead = (AllocationReadFnPtr)dlsym(handle, "rsAllocationRead");
254 if (RS::dispatch->AllocationRead == NULL) {
255 ALOGV("Couldn't initialize RS::dispatch->AllocationRead");
256 return false;
257 }
258 RS::dispatch->Allocation1DRead = (Allocation1DReadFnPtr)dlsym(handle, "rsAllocation1DRead");
259 if (RS::dispatch->Allocation1DRead == NULL) {
260 ALOGV("Couldn't initialize RS::dispatch->Allocation1DRead");
261 return false;
262 }
263 RS::dispatch->Allocation2DRead = (Allocation2DReadFnPtr)dlsym(handle, "rsAllocation2DRead");
264 if (RS::dispatch->Allocation2DRead == NULL) {
265 ALOGV("Couldn't initialize RS::dispatch->Allocation2DRead");
266 return false;
267 }
268 RS::dispatch->AllocationSyncAll = (AllocationSyncAllFnPtr)dlsym(handle, "rsAllocationSyncAll");
269 if (RS::dispatch->AllocationSyncAll == NULL) {
270 ALOGV("Couldn't initialize RS::dispatch->AllocationSyncAll");
271 return false;
272 }
273 RS::dispatch->AllocationResize1D = (AllocationResize1DFnPtr)dlsym(handle, "rsAllocationResize1D");
274 if (RS::dispatch->AllocationResize1D == NULL) {
275 ALOGV("Couldn't initialize RS::dispatch->AllocationResize1D");
276 return false;
277 }
278 RS::dispatch->AllocationCopy2DRange = (AllocationCopy2DRangeFnPtr)dlsym(handle, "rsAllocationCopy2DRange");
279 if (RS::dispatch->AllocationCopy2DRange == NULL) {
280 ALOGV("Couldn't initialize RS::dispatch->AllocationCopy2DRange");
281 return false;
282 }
283 RS::dispatch->AllocationCopy3DRange = (AllocationCopy3DRangeFnPtr)dlsym(handle, "rsAllocationCopy3DRange");
284 if (RS::dispatch->AllocationCopy3DRange == NULL) {
285 ALOGV("Couldn't initialize RS::dispatch->AllocationCopy3DRange");
286 return false;
287 }
288 RS::dispatch->SamplerCreate = (SamplerCreateFnPtr)dlsym(handle, "rsSamplerCreate");
289 if (RS::dispatch->SamplerCreate == NULL) {
290 ALOGV("Couldn't initialize RS::dispatch->SamplerCreate");
291 return false;
292 }
293 RS::dispatch->ScriptBindAllocation = (ScriptBindAllocationFnPtr)dlsym(handle, "rsScriptBindAllocation");
294 if (RS::dispatch->ScriptBindAllocation == NULL) {
295 ALOGV("Couldn't initialize RS::dispatch->ScriptBindAllocation");
296 return false;
297 }
298 RS::dispatch->ScriptSetTimeZone = (ScriptSetTimeZoneFnPtr)dlsym(handle, "rsScriptSetTimeZone");
299 if (RS::dispatch->ScriptSetTimeZone == NULL) {
300 ALOGV("Couldn't initialize RS::dispatch->ScriptSetTimeZone");
301 return false;
302 }
303 RS::dispatch->ScriptInvoke = (ScriptInvokeFnPtr)dlsym(handle, "rsScriptInvoke");
304 if (RS::dispatch->ScriptInvoke == NULL) {
305 ALOGV("Couldn't initialize RS::dispatch->ScriptInvoke");
306 return false;
307 }
308 RS::dispatch->ScriptInvokeV = (ScriptInvokeVFnPtr)dlsym(handle, "rsScriptInvokeV");
309 if (RS::dispatch->ScriptInvokeV == NULL) {
310 ALOGV("Couldn't initialize RS::dispatch->ScriptInvokeV");
311 return false;
312 }
313 RS::dispatch->ScriptForEach = (ScriptForEachFnPtr)dlsym(handle, "rsScriptForEach");
314 if (RS::dispatch->ScriptForEach == NULL) {
315 ALOGV("Couldn't initialize RS::dispatch->ScriptForEach");
316 return false;
317 }
318 RS::dispatch->ScriptSetVarI = (ScriptSetVarIFnPtr)dlsym(handle, "rsScriptSetVarI");
319 if (RS::dispatch->ScriptSetVarI == NULL) {
320 ALOGV("Couldn't initialize RS::dispatch->ScriptSetVarI");
321 return false;
322 }
323 RS::dispatch->ScriptSetVarObj = (ScriptSetVarObjFnPtr)dlsym(handle, "rsScriptSetVarObj");
324 if (RS::dispatch->ScriptSetVarObj == NULL) {
325 ALOGV("Couldn't initialize RS::dispatch->ScriptSetVarObj");
326 return false;
327 }
328 RS::dispatch->ScriptSetVarJ = (ScriptSetVarJFnPtr)dlsym(handle, "rsScriptSetVarJ");
329 if (RS::dispatch->ScriptSetVarJ == NULL) {
330 ALOGV("Couldn't initialize RS::dispatch->ScriptSetVarJ");
331 return false;
332 }
333 RS::dispatch->ScriptSetVarF = (ScriptSetVarFFnPtr)dlsym(handle, "rsScriptSetVarF");
334 if (RS::dispatch->ScriptSetVarF == NULL) {
335 ALOGV("Couldn't initialize RS::dispatch->ScriptSetVarF");
336 return false;
337 }
338 RS::dispatch->ScriptSetVarD = (ScriptSetVarDFnPtr)dlsym(handle, "rsScriptSetVarD");
339 if (RS::dispatch->ScriptSetVarD == NULL) {
340 ALOGV("Couldn't initialize RS::dispatch->ScriptSetVarD");
341 return false;
342 }
343 RS::dispatch->ScriptSetVarV = (ScriptSetVarVFnPtr)dlsym(handle, "rsScriptSetVarV");
344 if (RS::dispatch->ScriptSetVarV == NULL) {
345 ALOGV("Couldn't initialize RS::dispatch->ScriptSetVarV");
346 return false;
347 }
348 RS::dispatch->ScriptGetVarV = (ScriptGetVarVFnPtr)dlsym(handle, "rsScriptGetVarV");
349 if (RS::dispatch->ScriptGetVarV == NULL) {
350 ALOGV("Couldn't initialize RS::dispatch->ScriptGetVarV");
351 return false;
352 }
353 RS::dispatch->ScriptSetVarVE = (ScriptSetVarVEFnPtr)dlsym(handle, "rsScriptSetVarVE");
354 if (RS::dispatch->ScriptSetVarVE == NULL) {
355 ALOGV("Couldn't initialize RS::dispatch->ScriptSetVarVE");
356 return false;
357 }
358 RS::dispatch->ScriptCCreate = (ScriptCCreateFnPtr)dlsym(handle, "rsScriptCCreate");
359 if (RS::dispatch->ScriptCCreate == NULL) {
360 ALOGV("Couldn't initialize RS::dispatch->ScriptCCreate");
361 return false;
362 }
363 RS::dispatch->ScriptIntrinsicCreate = (ScriptIntrinsicCreateFnPtr)dlsym(handle, "rsScriptIntrinsicCreate");
364 if (RS::dispatch->ScriptIntrinsicCreate == NULL) {
365 ALOGV("Couldn't initialize RS::dispatch->ScriptIntrinsicCreate");
366 return false;
367 }
368 RS::dispatch->ScriptKernelIDCreate = (ScriptKernelIDCreateFnPtr)dlsym(handle, "rsScriptKernelIDCreate");
369 if (RS::dispatch->ScriptKernelIDCreate == NULL) {
370 ALOGV("Couldn't initialize RS::dispatch->ScriptKernelIDCreate");
371 return false;
372 }
373 RS::dispatch->ScriptFieldIDCreate = (ScriptFieldIDCreateFnPtr)dlsym(handle, "rsScriptFieldIDCreate");
374 if (RS::dispatch->ScriptFieldIDCreate == NULL) {
375 ALOGV("Couldn't initialize RS::dispatch->ScriptFieldIDCreate");
376 return false;
377 }
378 RS::dispatch->ScriptGroupCreate = (ScriptGroupCreateFnPtr)dlsym(handle, "rsScriptGroupCreate");
379 if (RS::dispatch->ScriptGroupCreate == NULL) {
380 ALOGV("Couldn't initialize RS::dispatch->ScriptGroupCreate");
381 return false;
382 }
383 RS::dispatch->ScriptGroupSetOutput = (ScriptGroupSetOutputFnPtr)dlsym(handle, "rsScriptGroupSetOutput");
384 if (RS::dispatch->ScriptGroupSetOutput == NULL) {
385 ALOGV("Couldn't initialize RS::dispatch->ScriptGroupSetOutput");
386 return false;
387 }
388 RS::dispatch->ScriptGroupSetInput = (ScriptGroupSetInputFnPtr)dlsym(handle, "rsScriptGroupSetInput");
389 if (RS::dispatch->ScriptGroupSetInput == NULL) {
390 ALOGV("Couldn't initialize RS::dispatch->ScriptGroupSetInput");
391 return false;
392 }
393 RS::dispatch->ScriptGroupExecute = (ScriptGroupExecuteFnPtr)dlsym(handle, "rsScriptGroupExecute");
394 if (RS::dispatch->ScriptGroupExecute == NULL) {
395 ALOGV("Couldn't initialize RS::dispatch->ScriptGroupExecute");
396 return false;
397 }
398 RS::dispatch->AllocationIoSend = (AllocationIoSendFnPtr)dlsym(handle, "rsAllocationIoSend");
399 if (RS::dispatch->AllocationIoSend == NULL) {
400 ALOGV("Couldn't initialize RS::dispatch->AllocationIoSend");
401 return false;
402 }
403 RS::dispatch->AllocationIoReceive = (AllocationIoReceiveFnPtr)dlsym(handle, "rsAllocationIoReceive");
404 if (RS::dispatch->AllocationIoReceive == NULL) {
405 ALOGV("Couldn't initialize RS::dispatch->AllocationIoReceive");
406 return false;
407 }
408 RS::dispatch->AllocationGetPointer = (AllocationGetPointerFnPtr)dlsym(handle, "rsAllocationGetPointer");
409 if (RS::dispatch->AllocationGetPointer == NULL) {
410 ALOGV("Couldn't initialize RS::dispatch->AllocationGetPointer");
411 //return false;
412 }
413
414 return true;
415 }
416
417 // this will only open API 19+ libRS
418 // because that's when we changed libRS to extern "C" entry points
loadSO(const char * filename)419 static bool loadSO(const char* filename) {
420 void* handle = dlopen(filename, RTLD_LAZY | RTLD_LOCAL);
421 if (handle == NULL) {
422 ALOGV("couldn't dlopen %s, %s", filename, dlerror());
423 return false;
424 }
425
426 if (loadSymbols(handle) == false) {
427 ALOGV("%s init failed!", filename);
428 return false;
429 }
430 //ALOGE("Successfully loaded %s", filename);
431 return true;
432 }
433
getProp(const char * str)434 static uint32_t getProp(const char *str) {
435 #if !defined(__LP64__) && !defined(RS_SERVER) && defined(HAVE_ANDROID_OS)
436 char buf[256];
437 property_get(str, buf, "0");
438 return atoi(buf);
439 #else
440 return 0;
441 #endif
442 }
443
initDispatch(int targetApi)444 bool RS::initDispatch(int targetApi) {
445 pthread_mutex_lock(&gInitMutex);
446 if (gInitError) {
447 goto error;
448 } else if (gInitialized) {
449 pthread_mutex_unlock(&gInitMutex);
450 return true;
451 }
452
453 RS::dispatch = new dispatchTable;
454
455 // attempt to load libRS, load libRSSupport on failure
456 // if property is set, proceed directly to libRSSupport
457 if (getProp("debug.rs.forcecompat") == 0) {
458 usingNative = loadSO("libRS.so");
459 }
460 if (usingNative == false) {
461 if (loadSO("libRSSupport.so") == false) {
462 ALOGE("Failed to load libRS.so and libRSSupport.so");
463 goto error;
464 }
465 }
466
467 gInitialized = true;
468
469 pthread_mutex_unlock(&gInitMutex);
470 return true;
471
472 error:
473 gInitError = 1;
474 pthread_mutex_unlock(&gInitMutex);
475 return false;
476 }
477
init(std::string & name,int targetApi,uint32_t flags)478 bool RS::init(std::string &name, int targetApi, uint32_t flags) {
479 if (mInit) {
480 return true;
481 }
482
483 if (initDispatch(targetApi) == false) {
484 ALOGE("Couldn't initialize dispatch table");
485 return false;
486 }
487
488 mCacheDir = name;
489
490 mDev = RS::dispatch->DeviceCreate();
491 if (mDev == 0) {
492 ALOGE("Device creation failed");
493 return false;
494 }
495
496 if (flags & ~(RS_CONTEXT_SYNCHRONOUS | RS_CONTEXT_LOW_LATENCY |
497 RS_CONTEXT_LOW_POWER)) {
498 ALOGE("Invalid flags passed");
499 return false;
500 }
501
502 mContext = RS::dispatch->ContextCreate(mDev, 0, targetApi, RS_CONTEXT_TYPE_NORMAL, flags);
503 if (mContext == 0) {
504 ALOGE("Context creation failed");
505 return false;
506 }
507
508 pid_t mNativeMessageThreadId;
509
510 int status = pthread_create(&mMessageThreadId, NULL, threadProc, this);
511 if (status) {
512 ALOGE("Failed to start RS message thread.");
513 return false;
514 }
515 // Wait for the message thread to be active.
516 while (!mMessageRun) {
517 usleep(1000);
518 }
519
520 mInit = true;
521
522 return true;
523 }
524
throwError(RSError error,const char * errMsg)525 void RS::throwError(RSError error, const char *errMsg) {
526 if (mCurrentError == RS_SUCCESS) {
527 mCurrentError = error;
528 ALOGE("RS CPP error: %s", errMsg);
529 } else {
530 ALOGE("RS CPP error (masked by previous error): %s", errMsg);
531 }
532 }
533
getError()534 RSError RS::getError() {
535 return mCurrentError;
536 }
537
538
threadProc(void * vrsc)539 void * RS::threadProc(void *vrsc) {
540 RS *rs = static_cast<RS *>(vrsc);
541 size_t rbuf_size = 256;
542 void * rbuf = malloc(rbuf_size);
543
544 RS::dispatch->ContextInitToClient(rs->mContext);
545 rs->mMessageRun = true;
546
547 while (rs->mMessageRun) {
548 size_t receiveLen = 0;
549 uint32_t usrID = 0;
550 uint32_t subID = 0;
551 RsMessageToClientType r = RS::dispatch->ContextPeekMessage(rs->mContext,
552 &receiveLen, sizeof(receiveLen),
553 &usrID, sizeof(usrID));
554
555 if (receiveLen >= rbuf_size) {
556 rbuf_size = receiveLen + 32;
557 rbuf = realloc(rbuf, rbuf_size);
558 }
559 if (!rbuf) {
560 ALOGE("RS::message handler realloc error %zu", rbuf_size);
561 // No clean way to recover now?
562 }
563 RS::dispatch->ContextGetMessage(rs->mContext, rbuf, rbuf_size, &receiveLen, sizeof(receiveLen),
564 &subID, sizeof(subID));
565
566 switch(r) {
567 case RS_MESSAGE_TO_CLIENT_ERROR:
568 ALOGE("RS Error %s", (const char *)rbuf);
569 rs->throwError(RS_ERROR_RUNTIME_ERROR, "Error returned from runtime");
570 if(rs->mMessageFunc != NULL) {
571 rs->mErrorFunc(usrID, (const char *)rbuf);
572 }
573 break;
574 case RS_MESSAGE_TO_CLIENT_NONE:
575 case RS_MESSAGE_TO_CLIENT_EXCEPTION:
576 case RS_MESSAGE_TO_CLIENT_RESIZE:
577 // teardown. But we want to avoid starving other threads during
578 // teardown by yielding until the next line in the destructor can
579 // execute to set mRun = false. Note that the FIFO sends an
580 // empty NONE message when it reaches its destructor.
581 usleep(1000);
582 break;
583 case RS_MESSAGE_TO_CLIENT_USER:
584 if(rs->mMessageFunc != NULL) {
585 rs->mMessageFunc(usrID, rbuf, receiveLen);
586 } else {
587 ALOGE("Received a message from the script with no message handler installed.");
588 }
589 break;
590
591 default:
592 ALOGE("RS unknown message type %i", r);
593 }
594 }
595
596 if (rbuf) {
597 free(rbuf);
598 }
599 ALOGV("RS Message thread exiting.");
600 return NULL;
601 }
602
setErrorHandler(ErrorHandlerFunc_t func)603 void RS::setErrorHandler(ErrorHandlerFunc_t func) {
604 mErrorFunc = func;
605 }
606
setMessageHandler(MessageHandlerFunc_t func)607 void RS::setMessageHandler(MessageHandlerFunc_t func) {
608 mMessageFunc = func;
609 }
610
finish()611 void RS::finish() {
612 RS::dispatch->ContextFinish(mContext);
613 }
614