rsContext.cpp revision dc314a172d48479053f258b485d7d0284b5b5b1f 
1/*
2 * Copyright (C) 2011 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
22#include <sys/types.h>
23#include <sys/resource.h>
24#include <sched.h>
25
26#include <cutils/properties.h>
27
28#include <cutils/sched_policy.h>
29#include <sys/syscall.h>
30#include <string.h>
31
32using namespace android;
33using namespace android::renderscript;
34
35pthread_mutex_t Context::gInitMutex = PTHREAD_MUTEX_INITIALIZER;
36pthread_mutex_t Context::gLibMutex = PTHREAD_MUTEX_INITIALIZER;
37
38bool Context::initGLThread() {
39    pthread_mutex_lock(&gInitMutex);
40    LOGV("initGLThread start %p", this);
41
42    if (!mHal.funcs.initGraphics(this)) {
43        pthread_mutex_unlock(&gInitMutex);
44        LOGE("%p, initGraphics failed", this);
45        return false;
46    }
47
48    pthread_mutex_unlock(&gInitMutex);
49    return true;
50}
51
52void Context::deinitEGL() {
53    LOGV("%p, deinitEGL", this);
54    mHal.funcs.shutdownGraphics(this);
55}
56
57Context::PushState::PushState(Context *con) {
58    mRsc = con;
59    if (con->mIsGraphicsContext) {
60        mFragment.set(con->getProgramFragment());
61        mVertex.set(con->getProgramVertex());
62        mStore.set(con->getProgramStore());
63        mRaster.set(con->getProgramRaster());
64        mFont.set(con->getFont());
65    }
66}
67
68Context::PushState::~PushState() {
69    if (mRsc->mIsGraphicsContext) {
70        mRsc->setProgramFragment(mFragment.get());
71        mRsc->setProgramVertex(mVertex.get());
72        mRsc->setProgramStore(mStore.get());
73        mRsc->setProgramRaster(mRaster.get());
74        mRsc->setFont(mFont.get());
75    }
76}
77
78
79uint32_t Context::runScript(Script *s) {
80    PushState(this);
81
82    uint32_t ret = s->run(this);
83    return ret;
84}
85
86uint32_t Context::runRootScript() {
87    timerSet(RS_TIMER_SCRIPT);
88    mStateFragmentStore.mLast.clear();
89    uint32_t ret = runScript(mRootScript.get());
90
91    return ret;
92}
93
94uint64_t Context::getTime() const {
95#ifndef ANDROID_RS_SERIALIZE
96    struct timespec t;
97    clock_gettime(CLOCK_MONOTONIC, &t);
98    return t.tv_nsec + ((uint64_t)t.tv_sec * 1000 * 1000 * 1000);
99#else
100    return 0;
101#endif //ANDROID_RS_SERIALIZE
102}
103
104void Context::timerReset() {
105    for (int ct=0; ct < _RS_TIMER_TOTAL; ct++) {
106        mTimers[ct] = 0;
107    }
108}
109
110void Context::timerInit() {
111    mTimeLast = getTime();
112    mTimeFrame = mTimeLast;
113    mTimeLastFrame = mTimeLast;
114    mTimerActive = RS_TIMER_INTERNAL;
115    mAverageFPSFrameCount = 0;
116    mAverageFPSStartTime = mTimeLast;
117    mAverageFPS = 0;
118    timerReset();
119}
120
121void Context::timerFrame() {
122    mTimeLastFrame = mTimeFrame;
123    mTimeFrame = getTime();
124    // Update average fps
125    const uint64_t averageFramerateInterval = 1000 * 1000000;
126    mAverageFPSFrameCount ++;
127    uint64_t inverval = mTimeFrame - mAverageFPSStartTime;
128    if (inverval >= averageFramerateInterval) {
129        inverval = inverval / 1000000;
130        mAverageFPS = (mAverageFPSFrameCount * 1000) / inverval;
131        mAverageFPSFrameCount = 0;
132        mAverageFPSStartTime = mTimeFrame;
133    }
134}
135
136void Context::timerSet(Timers tm) {
137    uint64_t last = mTimeLast;
138    mTimeLast = getTime();
139    mTimers[mTimerActive] += mTimeLast - last;
140    mTimerActive = tm;
141}
142
143void Context::timerPrint() {
144    double total = 0;
145    for (int ct = 0; ct < _RS_TIMER_TOTAL; ct++) {
146        total += mTimers[ct];
147    }
148    uint64_t frame = mTimeFrame - mTimeLastFrame;
149    mTimeMSLastFrame = frame / 1000000;
150    mTimeMSLastScript = mTimers[RS_TIMER_SCRIPT] / 1000000;
151    mTimeMSLastSwap = mTimers[RS_TIMER_CLEAR_SWAP] / 1000000;
152
153
154    if (props.mLogTimes) {
155        LOGV("RS: Frame (%i),   Script %2.1f%% (%i),  Swap %2.1f%% (%i),  Idle %2.1f%% (%lli),  Internal %2.1f%% (%lli), Avg fps: %u",
156             mTimeMSLastFrame,
157             100.0 * mTimers[RS_TIMER_SCRIPT] / total, mTimeMSLastScript,
158             100.0 * mTimers[RS_TIMER_CLEAR_SWAP] / total, mTimeMSLastSwap,
159             100.0 * mTimers[RS_TIMER_IDLE] / total, mTimers[RS_TIMER_IDLE] / 1000000,
160             100.0 * mTimers[RS_TIMER_INTERNAL] / total, mTimers[RS_TIMER_INTERNAL] / 1000000,
161             mAverageFPS);
162    }
163}
164
165bool Context::setupCheck() {
166
167    mFragmentStore->setup(this, &mStateFragmentStore);
168    mFragment->setup(this, &mStateFragment);
169    mRaster->setup(this, &mStateRaster);
170    mVertex->setup(this, &mStateVertex);
171    mFBOCache.setup(this);
172    return true;
173}
174
175void Context::setupProgramStore() {
176    mFragmentStore->setup(this, &mStateFragmentStore);
177}
178
179static bool getProp(const char *str) {
180    char buf[PROPERTY_VALUE_MAX];
181    property_get(str, buf, "0");
182    return 0 != strcmp(buf, "0");
183}
184
185void Context::displayDebugStats() {
186    char buffer[128];
187    sprintf(buffer, "Avg fps %u, Frame %i ms, Script %i ms", mAverageFPS, mTimeMSLastFrame, mTimeMSLastScript);
188    float oldR, oldG, oldB, oldA;
189    mStateFont.getFontColor(&oldR, &oldG, &oldB, &oldA);
190    uint32_t bufferLen = strlen(buffer);
191
192    ObjectBaseRef<Font> lastFont(getFont());
193    setFont(NULL);
194    float shadowCol = 0.1f;
195    mStateFont.setFontColor(shadowCol, shadowCol, shadowCol, 1.0f);
196    mStateFont.renderText(buffer, bufferLen, 5, getHeight() - 6);
197
198    mStateFont.setFontColor(1.0f, 0.7f, 0.0f, 1.0f);
199    mStateFont.renderText(buffer, bufferLen, 4, getHeight() - 7);
200
201    setFont(lastFont.get());
202    mStateFont.setFontColor(oldR, oldG, oldB, oldA);
203}
204
205void * Context::threadProc(void *vrsc) {
206    Context *rsc = static_cast<Context *>(vrsc);
207#ifndef ANDROID_RS_SERIALIZE
208    rsc->mNativeThreadId = gettid();
209    setpriority(PRIO_PROCESS, rsc->mNativeThreadId, ANDROID_PRIORITY_DISPLAY);
210    rsc->mThreadPriority = ANDROID_PRIORITY_DISPLAY;
211#endif //ANDROID_RS_SERIALIZE
212    rsc->props.mLogTimes = getProp("debug.rs.profile");
213    rsc->props.mLogScripts = getProp("debug.rs.script");
214    rsc->props.mLogObjects = getProp("debug.rs.object");
215    rsc->props.mLogShaders = getProp("debug.rs.shader");
216    rsc->props.mLogShadersAttr = getProp("debug.rs.shader.attributes");
217    rsc->props.mLogShadersUniforms = getProp("debug.rs.shader.uniforms");
218    rsc->props.mLogVisual = getProp("debug.rs.visual");
219
220    if (!rsdHalInit(rsc, 0, 0)) {
221        rsc->setError(RS_ERROR_FATAL_DRIVER, "Failed initializing GL");
222        LOGE("Hal init failed");
223        return NULL;
224    }
225    rsc->mHal.funcs.setPriority(rsc, rsc->mThreadPriority);
226
227    if (rsc->mIsGraphicsContext) {
228        if (!rsc->initGLThread()) {
229            rsc->setError(RS_ERROR_OUT_OF_MEMORY, "Failed initializing GL");
230            return NULL;
231        }
232
233        rsc->mStateRaster.init(rsc);
234        rsc->setProgramRaster(NULL);
235        rsc->mStateVertex.init(rsc);
236        rsc->setProgramVertex(NULL);
237        rsc->mStateFragment.init(rsc);
238        rsc->setProgramFragment(NULL);
239        rsc->mStateFragmentStore.init(rsc);
240        rsc->setProgramStore(NULL);
241        rsc->mStateFont.init(rsc);
242        rsc->setFont(NULL);
243        rsc->mStateSampler.init(rsc);
244        rsc->mFBOCache.init(rsc);
245    }
246
247    rsc->mRunning = true;
248    bool mDraw = true;
249    bool doWait = true;
250
251    uint64_t targetTime = rsc->getTime();
252    while (!rsc->mExit) {
253        uint64_t waitTime = 0;
254        uint64_t now = rsc->getTime();
255        if (!doWait) {
256            if (now < targetTime) {
257                waitTime = targetTime - now;
258                doWait = true;
259            }
260        }
261
262        mDraw |= rsc->mIO.playCoreCommands(rsc, doWait, waitTime);
263        mDraw &= (rsc->mRootScript.get() != NULL);
264        mDraw &= rsc->mHasSurface;
265
266        if (mDraw && rsc->mIsGraphicsContext) {
267            uint64_t delay = rsc->runRootScript() * 1000000;
268            targetTime = rsc->getTime() + delay;
269            doWait = (delay == 0);
270
271            if (rsc->props.mLogVisual) {
272                rsc->displayDebugStats();
273            }
274
275            mDraw = !rsc->mPaused;
276            rsc->timerSet(RS_TIMER_CLEAR_SWAP);
277            rsc->mHal.funcs.swap(rsc);
278            rsc->timerFrame();
279            rsc->timerSet(RS_TIMER_INTERNAL);
280            rsc->timerPrint();
281            rsc->timerReset();
282        }
283    }
284
285    LOGV("%p, RS Thread exiting", rsc);
286
287    if (rsc->mIsGraphicsContext) {
288        pthread_mutex_lock(&gInitMutex);
289        rsc->deinitEGL();
290        pthread_mutex_unlock(&gInitMutex);
291    }
292
293    LOGV("%p, RS Thread exited", rsc);
294    return NULL;
295}
296
297void Context::destroyWorkerThreadResources() {
298    //LOGV("destroyWorkerThreadResources 1");
299    ObjectBase::zeroAllUserRef(this);
300    if (mIsGraphicsContext) {
301         mRaster.clear();
302         mFragment.clear();
303         mVertex.clear();
304         mFragmentStore.clear();
305         mFont.clear();
306         mRootScript.clear();
307         mStateRaster.deinit(this);
308         mStateVertex.deinit(this);
309         mStateFragment.deinit(this);
310         mStateFragmentStore.deinit(this);
311         mStateFont.deinit(this);
312         mStateSampler.deinit(this);
313         mFBOCache.deinit(this);
314    }
315    //LOGV("destroyWorkerThreadResources 2");
316    mExit = true;
317}
318
319void Context::setPriority(int32_t p) {
320    // Note: If we put this in the proper "background" policy
321    // the wallpapers can become completly unresponsive at times.
322    // This is probably not what we want for something the user is actively
323    // looking at.
324    mThreadPriority = p;
325#if 0
326    SchedPolicy pol = SP_FOREGROUND;
327    if (p > 0) {
328        pol = SP_BACKGROUND;
329    }
330    if (!set_sched_policy(mNativeThreadId, pol)) {
331        // success; reset the priority as well
332    }
333#else
334    setpriority(PRIO_PROCESS, mNativeThreadId, p);
335#endif
336}
337
338Context::Context() {
339    mDev = NULL;
340    mRunning = false;
341    mExit = false;
342    mPaused = false;
343    mObjHead = NULL;
344    mError = RS_ERROR_NONE;
345    mTargetSdkVersion = 14;
346    mDPI = 96;
347    mIsContextLite = false;
348}
349
350Context * Context::createContext(Device *dev, const RsSurfaceConfig *sc) {
351    Context * rsc = new Context();
352
353    if (!rsc->initContext(dev, sc)) {
354        delete rsc;
355        return NULL;
356    }
357    return rsc;
358}
359
360Context * Context::createContextLite() {
361    Context * rsc = new Context();
362    rsc->mIsContextLite = true;
363    return rsc;
364}
365
366bool Context::initContext(Device *dev, const RsSurfaceConfig *sc) {
367    pthread_mutex_lock(&gInitMutex);
368
369    mIO.init();
370
371    dev->addContext(this);
372    mDev = dev;
373    if (sc) {
374        mUserSurfaceConfig = *sc;
375    } else {
376        memset(&mUserSurfaceConfig, 0, sizeof(mUserSurfaceConfig));
377    }
378
379    mIsGraphicsContext = sc != NULL;
380
381    int status;
382    pthread_attr_t threadAttr;
383
384    pthread_mutex_unlock(&gInitMutex);
385
386    // Global init done at this point.
387
388    status = pthread_attr_init(&threadAttr);
389    if (status) {
390        LOGE("Failed to init thread attribute.");
391        return false;
392    }
393
394    mHasSurface = false;
395
396    timerInit();
397    timerSet(RS_TIMER_INTERNAL);
398
399    status = pthread_create(&mThreadId, &threadAttr, threadProc, this);
400    if (status) {
401        LOGE("Failed to start rs context thread.");
402        return false;
403    }
404    while (!mRunning && (mError == RS_ERROR_NONE)) {
405        usleep(100);
406    }
407
408    if (mError != RS_ERROR_NONE) {
409        LOGE("Errors during thread init");
410        return false;
411    }
412
413    pthread_attr_destroy(&threadAttr);
414    return true;
415}
416
417Context::~Context() {
418    LOGV("Context::~Context");
419
420    if (!mIsContextLite) {
421        mIO.coreFlush();
422        rsAssert(mExit);
423        mExit = true;
424        mPaused = false;
425        void *res;
426
427        mIO.shutdown();
428        int status = pthread_join(mThreadId, &res);
429
430        if (mHal.funcs.shutdownDriver) {
431            mHal.funcs.shutdownDriver(this);
432        }
433
434        // Global structure cleanup.
435        pthread_mutex_lock(&gInitMutex);
436        if (mDev) {
437            mDev->removeContext(this);
438            mDev = NULL;
439        }
440        pthread_mutex_unlock(&gInitMutex);
441    }
442    LOGV("Context::~Context done");
443}
444
445void Context::setSurface(uint32_t w, uint32_t h, RsNativeWindow sur) {
446    rsAssert(mIsGraphicsContext);
447    mHal.funcs.setSurface(this, w, h, sur);
448
449    mHasSurface = sur != NULL;
450    mWidth = w;
451    mHeight = h;
452
453    if (mWidth && mHeight) {
454        mStateVertex.updateSize(this);
455        mFBOCache.updateSize();
456    }
457}
458
459void Context::pause() {
460    rsAssert(mIsGraphicsContext);
461    mPaused = true;
462}
463
464void Context::resume() {
465    rsAssert(mIsGraphicsContext);
466    mPaused = false;
467}
468
469void Context::setRootScript(Script *s) {
470    rsAssert(mIsGraphicsContext);
471    mRootScript.set(s);
472}
473
474void Context::setProgramStore(ProgramStore *pfs) {
475    rsAssert(mIsGraphicsContext);
476    if (pfs == NULL) {
477        mFragmentStore.set(mStateFragmentStore.mDefault);
478    } else {
479        mFragmentStore.set(pfs);
480    }
481}
482
483void Context::setProgramFragment(ProgramFragment *pf) {
484    rsAssert(mIsGraphicsContext);
485    if (pf == NULL) {
486        mFragment.set(mStateFragment.mDefault);
487    } else {
488        mFragment.set(pf);
489    }
490}
491
492void Context::setProgramRaster(ProgramRaster *pr) {
493    rsAssert(mIsGraphicsContext);
494    if (pr == NULL) {
495        mRaster.set(mStateRaster.mDefault);
496    } else {
497        mRaster.set(pr);
498    }
499}
500
501void Context::setProgramVertex(ProgramVertex *pv) {
502    rsAssert(mIsGraphicsContext);
503    if (pv == NULL) {
504        mVertex.set(mStateVertex.mDefault);
505    } else {
506        mVertex.set(pv);
507    }
508}
509
510void Context::setFont(Font *f) {
511    rsAssert(mIsGraphicsContext);
512    if (f == NULL) {
513        mFont.set(mStateFont.mDefault);
514    } else {
515        mFont.set(f);
516    }
517}
518
519void Context::assignName(ObjectBase *obj, const char *name, uint32_t len) {
520    rsAssert(!obj->getName());
521    obj->setName(name, len);
522    mNames.add(obj);
523}
524
525void Context::removeName(ObjectBase *obj) {
526    for (size_t ct=0; ct < mNames.size(); ct++) {
527        if (obj == mNames[ct]) {
528            mNames.removeAt(ct);
529            return;
530        }
531    }
532}
533
534RsMessageToClientType Context::peekMessageToClient(size_t *receiveLen, uint32_t *subID) {
535    return (RsMessageToClientType)mIO.getClientHeader(receiveLen, subID);
536}
537
538RsMessageToClientType Context::getMessageToClient(void *data, size_t *receiveLen, uint32_t *subID, size_t bufferLen) {
539    return (RsMessageToClientType)mIO.getClientPayload(data, receiveLen, subID, bufferLen);
540}
541
542bool Context::sendMessageToClient(const void *data, RsMessageToClientType cmdID,
543                                  uint32_t subID, size_t len, bool waitForSpace) const {
544
545    return mIO.sendToClient(cmdID, subID, data, len, waitForSpace);
546}
547
548void Context::initToClient() {
549    while (!mRunning) {
550        usleep(100);
551    }
552}
553
554void Context::deinitToClient() {
555    mIO.clientShutdown();
556}
557
558void Context::setError(RsError e, const char *msg) const {
559    mError = e;
560    sendMessageToClient(msg, RS_MESSAGE_TO_CLIENT_ERROR, e, strlen(msg) + 1, true);
561}
562
563
564void Context::dumpDebug() const {
565    LOGE("RS Context debug %p", this);
566    LOGE("RS Context debug");
567
568    LOGE(" RS width %i, height %i", mWidth, mHeight);
569    LOGE(" RS running %i, exit %i, paused %i", mRunning, mExit, mPaused);
570    LOGE(" RS pThreadID %li, nativeThreadID %i", (long int)mThreadId, mNativeThreadId);
571}
572
573///////////////////////////////////////////////////////////////////////////////////////////
574//
575
576namespace android {
577namespace renderscript {
578
579void rsi_ContextFinish(Context *rsc) {
580}
581
582void rsi_ContextBindRootScript(Context *rsc, RsScript vs) {
583    Script *s = static_cast<Script *>(vs);
584    rsc->setRootScript(s);
585}
586
587void rsi_ContextBindSampler(Context *rsc, uint32_t slot, RsSampler vs) {
588    Sampler *s = static_cast<Sampler *>(vs);
589
590    if (slot > RS_MAX_SAMPLER_SLOT) {
591        LOGE("Invalid sampler slot");
592        return;
593    }
594
595    s->bindToContext(&rsc->mStateSampler, slot);
596}
597
598void rsi_ContextBindProgramStore(Context *rsc, RsProgramStore vpfs) {
599    ProgramStore *pfs = static_cast<ProgramStore *>(vpfs);
600    rsc->setProgramStore(pfs);
601}
602
603void rsi_ContextBindProgramFragment(Context *rsc, RsProgramFragment vpf) {
604    ProgramFragment *pf = static_cast<ProgramFragment *>(vpf);
605    rsc->setProgramFragment(pf);
606}
607
608void rsi_ContextBindProgramRaster(Context *rsc, RsProgramRaster vpr) {
609    ProgramRaster *pr = static_cast<ProgramRaster *>(vpr);
610    rsc->setProgramRaster(pr);
611}
612
613void rsi_ContextBindProgramVertex(Context *rsc, RsProgramVertex vpv) {
614    ProgramVertex *pv = static_cast<ProgramVertex *>(vpv);
615    rsc->setProgramVertex(pv);
616}
617
618void rsi_ContextBindFont(Context *rsc, RsFont vfont) {
619    Font *font = static_cast<Font *>(vfont);
620    rsc->setFont(font);
621}
622
623void rsi_AssignName(Context *rsc, RsObjectBase obj, const char *name, size_t name_length) {
624    ObjectBase *ob = static_cast<ObjectBase *>(obj);
625    rsc->assignName(ob, name, name_length);
626}
627
628void rsi_ObjDestroy(Context *rsc, void *optr) {
629    ObjectBase *ob = static_cast<ObjectBase *>(optr);
630    rsc->removeName(ob);
631    ob->decUserRef();
632}
633
634void rsi_ContextPause(Context *rsc) {
635    rsc->pause();
636}
637
638void rsi_ContextResume(Context *rsc) {
639    rsc->resume();
640}
641
642void rsi_ContextSetSurface(Context *rsc, uint32_t w, uint32_t h, RsNativeWindow sur) {
643    rsc->setSurface(w, h, sur);
644}
645
646void rsi_ContextSetPriority(Context *rsc, int32_t p) {
647    rsc->setPriority(p);
648}
649
650void rsi_ContextDump(Context *rsc, int32_t bits) {
651    ObjectBase::dumpAll(rsc);
652}
653
654void rsi_ContextDestroyWorker(Context *rsc) {
655    rsc->destroyWorkerThreadResources();
656}
657
658void rsi_ContextDestroy(Context *rsc) {
659    LOGV("rsContextDestroy %p", rsc);
660    rsContextDestroyWorker(rsc);
661    delete rsc;
662    LOGV("rsContextDestroy 2 %p", rsc);
663}
664
665
666RsMessageToClientType rsi_ContextPeekMessage(Context *rsc,
667                                           size_t * receiveLen, size_t receiveLen_length,
668                                           uint32_t * subID, size_t subID_length) {
669    return rsc->peekMessageToClient(receiveLen, subID);
670}
671
672RsMessageToClientType rsi_ContextGetMessage(Context *rsc, void * data, size_t data_length,
673                                          size_t * receiveLen, size_t receiveLen_length,
674                                          uint32_t * subID, size_t subID_length) {
675    rsAssert(subID_length == sizeof(uint32_t));
676    rsAssert(receiveLen_length == sizeof(size_t));
677    return rsc->getMessageToClient(data, receiveLen, subID, data_length);
678}
679
680void rsi_ContextInitToClient(Context *rsc) {
681    rsc->initToClient();
682}
683
684void rsi_ContextDeinitToClient(Context *rsc) {
685    rsc->deinitToClient();
686}
687
688}
689}
690
691RsContext rsContextCreate(RsDevice vdev, uint32_t version,
692                          uint32_t sdkVersion) {
693    LOGV("rsContextCreate %p", vdev);
694    Device * dev = static_cast<Device *>(vdev);
695    Context *rsc = Context::createContext(dev, NULL);
696    if (rsc) {
697        rsc->setTargetSdkVersion(sdkVersion);
698    }
699    return rsc;
700}
701
702RsContext rsContextCreateGL(RsDevice vdev, uint32_t version,
703                            uint32_t sdkVersion, RsSurfaceConfig sc,
704                            uint32_t dpi) {
705    LOGV("rsContextCreateGL %p", vdev);
706    Device * dev = static_cast<Device *>(vdev);
707    Context *rsc = Context::createContext(dev, &sc);
708    if (rsc) {
709        rsc->setTargetSdkVersion(sdkVersion);
710        rsc->setDPI(dpi);
711    }
712    LOGV("rsContextCreateGL ret %p ", rsc);
713    return rsc;
714}
715
716// Only to be called at a3d load time, before object is visible to user
717// not thread safe
718void rsaGetName(RsContext con, void * obj, const char **name) {
719    ObjectBase *ob = static_cast<ObjectBase *>(obj);
720    (*name) = ob->getName();
721}
722