rsContext.cpp revision 8c401effb0837155fc39ca0364f57a882d127d38 
1/*
2 * Copyright (C) 2009 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 "rsDevice.h"
18#include "rsContext.h"
19#include "rsThreadIO.h"
20#include <ui/FramebufferNativeWindow.h>
21#include <ui/EGLUtils.h>
22
23#include <cutils/properties.h>
24
25#include <GLES/gl.h>
26#include <GLES/glext.h>
27
28using namespace android;
29using namespace android::renderscript;
30
31pthread_key_t Context::gThreadTLSKey = 0;
32
33void Context::initEGL()
34{
35    mEGL.mNumConfigs = -1;
36    EGLint configAttribs[128];
37    EGLint *configAttribsPtr = configAttribs;
38
39    memset(configAttribs, 0, sizeof(configAttribs));
40
41    configAttribsPtr[0] = EGL_SURFACE_TYPE;
42    configAttribsPtr[1] = EGL_WINDOW_BIT;
43    configAttribsPtr += 2;
44
45    if (mUseDepth) {
46        configAttribsPtr[0] = EGL_DEPTH_SIZE;
47        configAttribsPtr[1] = 16;
48        configAttribsPtr += 2;
49    }
50
51    if (mDev->mForceSW) {
52        configAttribsPtr[0] = EGL_CONFIG_CAVEAT;
53        configAttribsPtr[1] = EGL_SLOW_CONFIG;
54        configAttribsPtr += 2;
55    }
56
57    configAttribsPtr[0] = EGL_NONE;
58    rsAssert(configAttribsPtr < (configAttribs + (sizeof(configAttribs) / sizeof(EGLint))));
59
60    mEGL.mDisplay = eglGetDisplay(EGL_DEFAULT_DISPLAY);
61    eglInitialize(mEGL.mDisplay, &mEGL.mMajorVersion, &mEGL.mMinorVersion);
62
63    status_t err = EGLUtils::selectConfigForNativeWindow(mEGL.mDisplay, configAttribs, mWndSurface, &mEGL.mConfig);
64    if (err) {
65       LOGE("couldn't find an EGLConfig matching the screen format\n");
66    }
67    //eglChooseConfig(mEGL.mDisplay, configAttribs, &mEGL.mConfig, 1, &mEGL.mNumConfigs);
68
69    if (mWndSurface) {
70        mEGL.mSurface = eglCreateWindowSurface(mEGL.mDisplay, mEGL.mConfig, mWndSurface, NULL);
71    } else {
72        mEGL.mSurface = eglCreateWindowSurface(mEGL.mDisplay, mEGL.mConfig,
73             android_createDisplaySurface(),
74             NULL);
75    }
76
77    mEGL.mContext = eglCreateContext(mEGL.mDisplay, mEGL.mConfig, NULL, NULL);
78    eglMakeCurrent(mEGL.mDisplay, mEGL.mSurface, mEGL.mSurface, mEGL.mContext);
79    eglQuerySurface(mEGL.mDisplay, mEGL.mSurface, EGL_WIDTH, &mEGL.mWidth);
80    eglQuerySurface(mEGL.mDisplay, mEGL.mSurface, EGL_HEIGHT, &mEGL.mHeight);
81
82
83    mGL.mVersion = glGetString(GL_VERSION);
84    mGL.mVendor = glGetString(GL_VENDOR);
85    mGL.mRenderer = glGetString(GL_RENDERER);
86    mGL.mExtensions = glGetString(GL_EXTENSIONS);
87
88    LOGV("EGL Version %i %i", mEGL.mMajorVersion, mEGL.mMinorVersion);
89    LOGV("GL Version %s", mGL.mVersion);
90    LOGV("GL Vendor %s", mGL.mVendor);
91    LOGV("GL Renderer %s", mGL.mRenderer);
92    LOGV("GL Extensions %s", mGL.mExtensions);
93
94    if ((strlen((const char *)mGL.mVersion) < 12) || memcmp(mGL.mVersion, "OpenGL ES-CM", 12)) {
95        LOGE("Error, OpenGL ES Lite not supported");
96    } else {
97        sscanf((const char *)mGL.mVersion + 13, "%i.%i", &mGL.mMajorVersion, &mGL.mMinorVersion);
98    }
99}
100
101bool Context::runScript(Script *s, uint32_t launchID)
102{
103    ObjectBaseRef<ProgramFragment> frag(mFragment);
104    ObjectBaseRef<ProgramVertex> vtx(mVertex);
105    ObjectBaseRef<ProgramFragmentStore> store(mFragmentStore);
106    ObjectBaseRef<ProgramRaster> raster(mRaster);
107
108    bool ret = s->run(this, launchID);
109
110    mFragment.set(frag);
111    mVertex.set(vtx);
112    mFragmentStore.set(store);
113    mRaster.set(raster);
114    return ret;
115}
116
117
118bool Context::runRootScript()
119{
120    if (props.mLogTimes) {
121        timerSet(RS_TIMER_CLEAR_SWAP);
122    }
123    rsAssert(mRootScript->mEnviroment.mIsRoot);
124
125    eglQuerySurface(mEGL.mDisplay, mEGL.mSurface, EGL_WIDTH, &mEGL.mWidth);
126    eglQuerySurface(mEGL.mDisplay, mEGL.mSurface, EGL_HEIGHT, &mEGL.mHeight);
127    glViewport(0, 0, mEGL.mWidth, mEGL.mHeight);
128    glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
129
130    glClearColor(mRootScript->mEnviroment.mClearColor[0],
131                 mRootScript->mEnviroment.mClearColor[1],
132                 mRootScript->mEnviroment.mClearColor[2],
133                 mRootScript->mEnviroment.mClearColor[3]);
134    if (mUseDepth) {
135        glDepthMask(GL_TRUE);
136        glClearDepthf(mRootScript->mEnviroment.mClearDepth);
137        glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
138    } else {
139        glClear(GL_COLOR_BUFFER_BIT);
140    }
141
142    if (this->props.mLogTimes) {
143        timerSet(RS_TIMER_SCRIPT);
144    }
145    mStateFragmentStore.mLast.clear();
146    bool ret = runScript(mRootScript.get(), 0);
147    return ret;
148}
149
150uint64_t Context::getTime() const
151{
152    struct timespec t;
153    clock_gettime(CLOCK_MONOTONIC, &t);
154    return t.tv_nsec + ((uint64_t)t.tv_sec * 1000 * 1000 * 1000);
155}
156
157void Context::timerReset()
158{
159    for (int ct=0; ct < _RS_TIMER_TOTAL; ct++) {
160        mTimers[ct] = 0;
161    }
162}
163
164void Context::timerInit()
165{
166    mTimeLast = getTime();
167    mTimeFrame = mTimeLast;
168    mTimeLastFrame = mTimeLast;
169    mTimerActive = RS_TIMER_INTERNAL;
170    timerReset();
171}
172
173void Context::timerFrame()
174{
175    mTimeLastFrame = mTimeFrame;
176    mTimeFrame = getTime();
177}
178
179void Context::timerSet(Timers tm)
180{
181    uint64_t last = mTimeLast;
182    mTimeLast = getTime();
183    mTimers[mTimerActive] += mTimeLast - last;
184    mTimerActive = tm;
185}
186
187void Context::timerPrint()
188{
189    double total = 0;
190    for (int ct = 0; ct < _RS_TIMER_TOTAL; ct++) {
191        total += mTimers[ct];
192    }
193    uint64_t frame = mTimeFrame - mTimeLastFrame;
194
195    LOGV("RS: Frame (%lli),   Script %2.1f (%lli),  Clear & Swap %2.1f (%lli),  Idle %2.1f (%lli),  Internal %2.1f (%lli)",
196         frame / 1000000,
197         100.0 * mTimers[RS_TIMER_SCRIPT] / total, mTimers[RS_TIMER_SCRIPT] / 1000000,
198         100.0 * mTimers[RS_TIMER_CLEAR_SWAP] / total, mTimers[RS_TIMER_CLEAR_SWAP] / 1000000,
199         100.0 * mTimers[RS_TIMER_IDLE] / total, mTimers[RS_TIMER_IDLE] / 1000000,
200         100.0 * mTimers[RS_TIMER_INTERNAL] / total, mTimers[RS_TIMER_INTERNAL] / 1000000);
201}
202
203void Context::setupCheck()
204{
205    mFragmentStore->setupGL(this, &mStateFragmentStore);
206    mFragment->setupGL(this, &mStateFragment);
207    mRaster->setupGL(this, &mStateRaster);
208    mVertex->setupGL(this, &mStateVertex);
209}
210
211static bool getProp(const char *str)
212{
213    char buf[PROPERTY_VALUE_MAX];
214    property_get(str, buf, "0");
215    return 0 != strcmp(buf, "0");
216}
217
218void * Context::threadProc(void *vrsc)
219{
220     Context *rsc = static_cast<Context *>(vrsc);
221
222     rsc->props.mLogTimes = getProp("debug.rs.profile");
223     rsc->props.mLogScripts = getProp("debug.rs.script");
224     rsc->props.mLogObjects = getProp("debug.rs.objects");
225
226     rsc->initEGL();
227
228     ScriptTLSStruct *tlsStruct = new ScriptTLSStruct;
229     if (!tlsStruct) {
230         LOGE("Error allocating tls storage");
231         return NULL;
232     }
233     tlsStruct->mContext = rsc;
234     tlsStruct->mScript = NULL;
235     int status = pthread_setspecific(rsc->gThreadTLSKey, tlsStruct);
236     if (status) {
237         LOGE("pthread_setspecific %i", status);
238     }
239
240     rsc->mStateRaster.init(rsc, rsc->mEGL.mWidth, rsc->mEGL.mHeight);
241     rsc->setRaster(NULL);
242     rsc->mStateVertex.init(rsc, rsc->mEGL.mWidth, rsc->mEGL.mHeight);
243     rsc->setVertex(NULL);
244     rsc->mStateFragment.init(rsc, rsc->mEGL.mWidth, rsc->mEGL.mHeight);
245     rsc->setFragment(NULL);
246     rsc->mStateFragmentStore.init(rsc, rsc->mEGL.mWidth, rsc->mEGL.mHeight);
247     rsc->setFragmentStore(NULL);
248
249     rsc->mRunning = true;
250     bool mDraw = true;
251     while (!rsc->mExit) {
252         mDraw |= rsc->mIO.playCoreCommands(rsc, !mDraw);
253         mDraw &= (rsc->mRootScript.get() != NULL);
254
255         if (mDraw) {
256             mDraw = rsc->runRootScript() && !rsc->mPaused;
257             if (rsc->props.mLogTimes) {
258                 rsc->timerSet(RS_TIMER_CLEAR_SWAP);
259             }
260             eglSwapBuffers(rsc->mEGL.mDisplay, rsc->mEGL.mSurface);
261             if (rsc->props.mLogTimes) {
262                 rsc->timerFrame();
263                 rsc->timerSet(RS_TIMER_INTERNAL);
264                 rsc->timerPrint();
265                 rsc->timerReset();
266             }
267         }
268         if (rsc->mObjDestroy.mNeedToEmpty) {
269             rsc->objDestroyOOBRun();
270         }
271     }
272
273     LOGV("RS Thread exiting");
274     rsc->mRaster.clear();
275     rsc->mFragment.clear();
276     rsc->mVertex.clear();
277     rsc->mFragmentStore.clear();
278     rsc->mRootScript.clear();
279     rsc->mStateRaster.deinit(rsc);
280     rsc->mStateVertex.deinit(rsc);
281     rsc->mStateFragment.deinit(rsc);
282     rsc->mStateFragmentStore.deinit(rsc);
283     ObjectBase::zeroAllUserRef(rsc);
284
285     glClearColor(0,0,0,0);
286     glClear(GL_COLOR_BUFFER_BIT);
287     eglSwapBuffers(rsc->mEGL.mDisplay, rsc->mEGL.mSurface);
288     eglTerminate(rsc->mEGL.mDisplay);
289     rsc->objDestroyOOBRun();
290     LOGV("RS Thread exited");
291     return NULL;
292}
293
294Context::Context(Device *dev, Surface *sur, bool useDepth)
295{
296    dev->addContext(this);
297    mDev = dev;
298    mRunning = false;
299    mExit = false;
300    mUseDepth = useDepth;
301    mPaused = false;
302    mObjHead = NULL;
303
304    int status;
305    pthread_attr_t threadAttr;
306
307    status = pthread_key_create(&gThreadTLSKey, NULL);
308    if (status) {
309        LOGE("Failed to init thread tls key.");
310        return;
311    }
312
313    status = pthread_attr_init(&threadAttr);
314    if (status) {
315        LOGE("Failed to init thread attribute.");
316        return;
317    }
318
319    sched_param sparam;
320    sparam.sched_priority = ANDROID_PRIORITY_DISPLAY;
321    pthread_attr_setschedparam(&threadAttr, &sparam);
322
323    mWndSurface = sur;
324
325    objDestroyOOBInit();
326    timerInit();
327    timerSet(RS_TIMER_INTERNAL);
328
329    LOGV("RS Launching thread");
330    status = pthread_create(&mThreadId, &threadAttr, threadProc, this);
331    if (status) {
332        LOGE("Failed to start rs context thread.");
333    }
334
335    while(!mRunning) {
336        usleep(100);
337    }
338
339    pthread_attr_destroy(&threadAttr);
340}
341
342Context::~Context()
343{
344    LOGV("Context::~Context");
345    mExit = true;
346    mPaused = false;
347    void *res;
348
349    mIO.shutdown();
350    int status = pthread_join(mThreadId, &res);
351    objDestroyOOBRun();
352
353    if (mDev) {
354        mDev->removeContext(this);
355        pthread_key_delete(gThreadTLSKey);
356    }
357
358    objDestroyOOBDestroy();
359}
360
361void Context::pause()
362{
363    mPaused = true;
364}
365
366void Context::resume()
367{
368    mPaused = false;
369}
370
371void Context::setRootScript(Script *s)
372{
373    mRootScript.set(s);
374}
375
376void Context::setFragmentStore(ProgramFragmentStore *pfs)
377{
378    if (pfs == NULL) {
379        mFragmentStore.set(mStateFragmentStore.mDefault);
380    } else {
381        mFragmentStore.set(pfs);
382    }
383}
384
385void Context::setFragment(ProgramFragment *pf)
386{
387    if (pf == NULL) {
388        mFragment.set(mStateFragment.mDefault);
389    } else {
390        mFragment.set(pf);
391    }
392}
393
394void Context::setRaster(ProgramRaster *pr)
395{
396    if (pr == NULL) {
397        mRaster.set(mStateRaster.mDefault);
398    } else {
399        mRaster.set(pr);
400    }
401}
402
403void Context::allocationCheck(const Allocation *a)
404{
405    mVertex->checkUpdatedAllocation(a);
406    mFragment->checkUpdatedAllocation(a);
407    mFragmentStore->checkUpdatedAllocation(a);
408}
409
410void Context::setVertex(ProgramVertex *pv)
411{
412    if (pv == NULL) {
413        mVertex.set(mStateVertex.mDefault);
414    } else {
415        mVertex.set(pv);
416    }
417}
418
419void Context::assignName(ObjectBase *obj, const char *name, uint32_t len)
420{
421    rsAssert(!obj->getName());
422    obj->setName(name, len);
423    mNames.add(obj);
424}
425
426void Context::removeName(ObjectBase *obj)
427{
428    for(size_t ct=0; ct < mNames.size(); ct++) {
429        if (obj == mNames[ct]) {
430            mNames.removeAt(ct);
431            return;
432        }
433    }
434}
435
436ObjectBase * Context::lookupName(const char *name) const
437{
438    for(size_t ct=0; ct < mNames.size(); ct++) {
439        if (!strcmp(name, mNames[ct]->getName())) {
440            return mNames[ct];
441        }
442    }
443    return NULL;
444}
445
446void Context::appendNameDefines(String8 *str) const
447{
448    char buf[256];
449    for (size_t ct=0; ct < mNames.size(); ct++) {
450        str->append("#define NAMED_");
451        str->append(mNames[ct]->getName());
452        str->append(" ");
453        sprintf(buf, "%i\n", (int)mNames[ct]);
454        str->append(buf);
455    }
456}
457
458void Context::appendVarDefines(String8 *str) const
459{
460    char buf[256];
461    for (size_t ct=0; ct < mInt32Defines.size(); ct++) {
462        str->append("#define ");
463        str->append(mInt32Defines.keyAt(ct));
464        str->append(" ");
465        sprintf(buf, "%i\n", (int)mInt32Defines.valueAt(ct));
466        str->append(buf);
467
468    }
469    for (size_t ct=0; ct < mFloatDefines.size(); ct++) {
470        str->append("#define ");
471        str->append(mFloatDefines.keyAt(ct));
472        str->append(" ");
473        sprintf(buf, "%ff\n", mFloatDefines.valueAt(ct));
474        str->append(buf);
475    }
476}
477
478bool Context::objDestroyOOBInit()
479{
480    int status = pthread_mutex_init(&mObjDestroy.mMutex, NULL);
481    if (status) {
482        LOGE("Context::ObjDestroyOOBInit mutex init failure");
483        return false;
484    }
485    return true;
486}
487
488void Context::objDestroyOOBRun()
489{
490    if (mObjDestroy.mNeedToEmpty) {
491        int status = pthread_mutex_lock(&mObjDestroy.mMutex);
492        if (status) {
493            LOGE("Context::ObjDestroyOOBRun: error %i locking for OOBRun.", status);
494            return;
495        }
496
497        for (size_t ct = 0; ct < mObjDestroy.mDestroyList.size(); ct++) {
498            mObjDestroy.mDestroyList[ct]->decUserRef();
499        }
500        mObjDestroy.mDestroyList.clear();
501        mObjDestroy.mNeedToEmpty = false;
502
503        status = pthread_mutex_unlock(&mObjDestroy.mMutex);
504        if (status) {
505            LOGE("Context::ObjDestroyOOBRun: error %i unlocking for set condition.", status);
506        }
507    }
508}
509
510void Context::objDestroyOOBDestroy()
511{
512    rsAssert(!mObjDestroy.mNeedToEmpty);
513    pthread_mutex_destroy(&mObjDestroy.mMutex);
514}
515
516void Context::objDestroyAdd(ObjectBase *obj)
517{
518    int status = pthread_mutex_lock(&mObjDestroy.mMutex);
519    if (status) {
520        LOGE("Context::ObjDestroyOOBRun: error %i locking for OOBRun.", status);
521        return;
522    }
523
524    mObjDestroy.mNeedToEmpty = true;
525    mObjDestroy.mDestroyList.add(obj);
526
527    status = pthread_mutex_unlock(&mObjDestroy.mMutex);
528    if (status) {
529        LOGE("Context::ObjDestroyOOBRun: error %i unlocking for set condition.", status);
530    }
531}
532
533uint32_t Context::getMessageToClient(void *data, size_t *receiveLen, size_t bufferLen, bool wait)
534{
535    //LOGE("getMessageToClient %i %i", bufferLen, wait);
536    if (!wait) {
537        if (mIO.mToClient.isEmpty()) {
538            // No message to get and not going to wait for one.
539            receiveLen = 0;
540            return 0;
541        }
542    }
543
544    //LOGE("getMessageToClient 2 con=%p", this);
545    uint32_t bytesData = 0;
546    uint32_t commandID = 0;
547    const void *d = mIO.mToClient.get(&commandID, &bytesData);
548    //LOGE("getMessageToClient 3    %i  %i", commandID, bytesData);
549
550    *receiveLen = bytesData;
551    if (bufferLen >= bytesData) {
552        memcpy(data, d, bytesData);
553        mIO.mToClient.next();
554        return commandID;
555    }
556    return 0;
557}
558
559bool Context::sendMessageToClient(void *data, uint32_t cmdID, size_t len, bool waitForSpace)
560{
561    //LOGE("sendMessageToClient %i %i %i", cmdID, len, waitForSpace);
562    if (cmdID == 0) {
563        LOGE("Attempting to send invalid command 0 to client.");
564        return false;
565    }
566    if (!waitForSpace) {
567        if (mIO.mToClient.getFreeSpace() < len) {
568            // Not enough room, and not waiting.
569            return false;
570        }
571    }
572    //LOGE("sendMessageToClient 2");
573    void *p = mIO.mToClient.reserve(len);
574    memcpy(p, data, len);
575    mIO.mToClient.commit(cmdID, len);
576    //LOGE("sendMessageToClient 3");
577    return true;
578}
579
580void Context::initToClient()
581{
582    while(!mRunning) {
583        usleep(100);
584    }
585}
586
587void Context::deinitToClient()
588{
589    mIO.mToClient.shutdown();
590}
591
592
593///////////////////////////////////////////////////////////////////////////////////////////
594//
595
596namespace android {
597namespace renderscript {
598
599
600void rsi_ContextBindRootScript(Context *rsc, RsScript vs)
601{
602    Script *s = static_cast<Script *>(vs);
603    rsc->setRootScript(s);
604}
605
606void rsi_ContextBindSampler(Context *rsc, uint32_t slot, RsSampler vs)
607{
608    Sampler *s = static_cast<Sampler *>(vs);
609
610    if (slot > RS_MAX_SAMPLER_SLOT) {
611        LOGE("Invalid sampler slot");
612        return;
613    }
614
615    s->bindToContext(&rsc->mStateSampler, slot);
616}
617
618void rsi_ContextBindProgramFragmentStore(Context *rsc, RsProgramFragmentStore vpfs)
619{
620    ProgramFragmentStore *pfs = static_cast<ProgramFragmentStore *>(vpfs);
621    rsc->setFragmentStore(pfs);
622}
623
624void rsi_ContextBindProgramFragment(Context *rsc, RsProgramFragment vpf)
625{
626    ProgramFragment *pf = static_cast<ProgramFragment *>(vpf);
627    rsc->setFragment(pf);
628}
629
630void rsi_ContextBindProgramRaster(Context *rsc, RsProgramRaster vpr)
631{
632    ProgramRaster *pr = static_cast<ProgramRaster *>(vpr);
633    rsc->setRaster(pr);
634}
635
636void rsi_ContextBindProgramVertex(Context *rsc, RsProgramVertex vpv)
637{
638    ProgramVertex *pv = static_cast<ProgramVertex *>(vpv);
639    rsc->setVertex(pv);
640}
641
642void rsi_AssignName(Context *rsc, void * obj, const char *name, uint32_t len)
643{
644    ObjectBase *ob = static_cast<ObjectBase *>(obj);
645    rsc->assignName(ob, name, len);
646}
647
648void rsi_ObjDestroy(Context *rsc, void *obj)
649{
650    ObjectBase *ob = static_cast<ObjectBase *>(obj);
651    rsc->removeName(ob);
652    ob->decUserRef();
653}
654
655void rsi_ContextSetDefineF(Context *rsc, const char* name, float value)
656{
657    rsc->addInt32Define(name, value);
658}
659
660void rsi_ContextSetDefineI32(Context *rsc, const char* name, int32_t value)
661{
662    rsc->addFloatDefine(name, value);
663}
664
665void rsi_ContextPause(Context *rsc)
666{
667    rsc->pause();
668}
669
670void rsi_ContextResume(Context *rsc)
671{
672    rsc->resume();
673}
674
675}
676}
677
678
679RsContext rsContextCreate(RsDevice vdev, void *sur, uint32_t version, bool useDepth)
680{
681    Device * dev = static_cast<Device *>(vdev);
682    Context *rsc = new Context(dev, (Surface *)sur, useDepth);
683    return rsc;
684}
685
686void rsContextDestroy(RsContext vrsc)
687{
688    Context * rsc = static_cast<Context *>(vrsc);
689    delete rsc;
690}
691
692void rsObjDestroyOOB(RsContext vrsc, void *obj)
693{
694    Context * rsc = static_cast<Context *>(vrsc);
695    rsc->objDestroyAdd(static_cast<ObjectBase *>(obj));
696}
697
698uint32_t rsContextGetMessage(RsContext vrsc, void *data, size_t *receiveLen, size_t bufferLen, bool wait)
699{
700    Context * rsc = static_cast<Context *>(vrsc);
701    return rsc->getMessageToClient(data, receiveLen, bufferLen, wait);
702}
703
704void rsContextInitToClient(RsContext vrsc)
705{
706    Context * rsc = static_cast<Context *>(vrsc);
707    rsc->initToClient();
708}
709
710void rsContextDeinitToClient(RsContext vrsc)
711{
712    Context * rsc = static_cast<Context *>(vrsc);
713    rsc->deinitToClient();
714}
715
716