rsContext.cpp revision 87b5ff3db06699ddfa7bc7bda72a345e7fd8346e 
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
41    if (!mHal.funcs.initGraphics(this)) {
42        pthread_mutex_unlock(&gInitMutex);
43        LOGE("%p initGraphics failed", this);
44        return false;
45    }
46
47    pthread_mutex_unlock(&gInitMutex);
48    return true;
49}
50
51void Context::deinitEGL() {
52    mHal.funcs.shutdownGraphics(this);
53}
54
55Context::PushState::PushState(Context *con) {
56    mRsc = con;
57    if (con->mIsGraphicsContext) {
58        mFragment.set(con->getProgramFragment());
59        mVertex.set(con->getProgramVertex());
60        mStore.set(con->getProgramStore());
61        mRaster.set(con->getProgramRaster());
62        mFont.set(con->getFont());
63    }
64}
65
66Context::PushState::~PushState() {
67    if (mRsc->mIsGraphicsContext) {
68        mRsc->setProgramFragment(mFragment.get());
69        mRsc->setProgramVertex(mVertex.get());
70        mRsc->setProgramStore(mStore.get());
71        mRsc->setProgramRaster(mRaster.get());
72        mRsc->setFont(mFont.get());
73    }
74}
75
76
77uint32_t Context::runScript(Script *s) {
78    PushState(this);
79
80    uint32_t ret = s->run(this);
81    return ret;
82}
83
84uint32_t Context::runRootScript() {
85    timerSet(RS_TIMER_SCRIPT);
86    mStateFragmentStore.mLast.clear();
87    watchdog.inRoot = true;
88    uint32_t ret = runScript(mRootScript.get());
89    watchdog.inRoot = false;
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    ObjectBase::freeAllChildren(this);
316    //LOGV("destroyWorkerThreadResources 2");
317    mExit = true;
318}
319
320void Context::printWatchdogInfo(void *ctx) {
321    Context *rsc = (Context *)ctx;
322    if (rsc->watchdog.command && rsc->watchdog.file) {
323        LOGE("RS watchdog timeout: %i  %s  line %i %s", rsc->watchdog.inRoot,
324             rsc->watchdog.command, rsc->watchdog.line, rsc->watchdog.file);
325    } else {
326        LOGE("RS watchdog timeout: %i", rsc->watchdog.inRoot);
327    }
328}
329
330
331void Context::setPriority(int32_t p) {
332    // Note: If we put this in the proper "background" policy
333    // the wallpapers can become completly unresponsive at times.
334    // This is probably not what we want for something the user is actively
335    // looking at.
336    mThreadPriority = p;
337#if 0
338    SchedPolicy pol = SP_FOREGROUND;
339    if (p > 0) {
340        pol = SP_BACKGROUND;
341    }
342    if (!set_sched_policy(mNativeThreadId, pol)) {
343        // success; reset the priority as well
344    }
345#else
346    setpriority(PRIO_PROCESS, mNativeThreadId, p);
347#endif
348}
349
350Context::Context() {
351    mDev = NULL;
352    mRunning = false;
353    mExit = false;
354    mPaused = false;
355    mObjHead = NULL;
356    mError = RS_ERROR_NONE;
357    mTargetSdkVersion = 14;
358    mDPI = 96;
359    mIsContextLite = false;
360}
361
362Context * Context::createContext(Device *dev, const RsSurfaceConfig *sc) {
363    Context * rsc = new Context();
364
365    if (!rsc->initContext(dev, sc)) {
366        delete rsc;
367        return NULL;
368    }
369    return rsc;
370}
371
372Context * Context::createContextLite() {
373    Context * rsc = new Context();
374    rsc->mIsContextLite = true;
375    return rsc;
376}
377
378bool Context::initContext(Device *dev, const RsSurfaceConfig *sc) {
379    pthread_mutex_lock(&gInitMutex);
380
381    mIO.init();
382    mIO.setTimoutCallback(printWatchdogInfo, this, 2e9);
383
384    dev->addContext(this);
385    mDev = dev;
386    if (sc) {
387        mUserSurfaceConfig = *sc;
388    } else {
389        memset(&mUserSurfaceConfig, 0, sizeof(mUserSurfaceConfig));
390    }
391
392    mIsGraphicsContext = sc != NULL;
393
394    int status;
395    pthread_attr_t threadAttr;
396
397    pthread_mutex_unlock(&gInitMutex);
398
399    // Global init done at this point.
400
401    status = pthread_attr_init(&threadAttr);
402    if (status) {
403        LOGE("Failed to init thread attribute.");
404        return false;
405    }
406
407    mHasSurface = false;
408
409    timerInit();
410    timerSet(RS_TIMER_INTERNAL);
411
412    status = pthread_create(&mThreadId, &threadAttr, threadProc, this);
413    if (status) {
414        LOGE("Failed to start rs context thread.");
415        return false;
416    }
417    while (!mRunning && (mError == RS_ERROR_NONE)) {
418        usleep(100);
419    }
420
421    if (mError != RS_ERROR_NONE) {
422        LOGE("Errors during thread init");
423        return false;
424    }
425
426    pthread_attr_destroy(&threadAttr);
427    return true;
428}
429
430Context::~Context() {
431    LOGV("%p Context::~Context", this);
432
433    if (!mIsContextLite) {
434        mIO.coreFlush();
435        rsAssert(mExit);
436        mExit = true;
437        mPaused = false;
438        void *res;
439
440        mIO.shutdown();
441        int status = pthread_join(mThreadId, &res);
442
443        if (mHal.funcs.shutdownDriver) {
444            mHal.funcs.shutdownDriver(this);
445        }
446
447        // Global structure cleanup.
448        pthread_mutex_lock(&gInitMutex);
449        if (mDev) {
450            mDev->removeContext(this);
451            mDev = NULL;
452        }
453        pthread_mutex_unlock(&gInitMutex);
454    }
455    LOGV("%p Context::~Context done", this);
456}
457
458void Context::setSurface(uint32_t w, uint32_t h, RsNativeWindow sur) {
459    rsAssert(mIsGraphicsContext);
460    mHal.funcs.setSurface(this, w, h, sur);
461
462    mHasSurface = sur != NULL;
463    mWidth = w;
464    mHeight = h;
465
466    if (mWidth && mHeight) {
467        mStateVertex.updateSize(this);
468        mFBOCache.updateSize();
469    }
470}
471
472void Context::pause() {
473    rsAssert(mIsGraphicsContext);
474    mPaused = true;
475}
476
477void Context::resume() {
478    rsAssert(mIsGraphicsContext);
479    mPaused = false;
480}
481
482void Context::setRootScript(Script *s) {
483    rsAssert(mIsGraphicsContext);
484    mRootScript.set(s);
485}
486
487void Context::setProgramStore(ProgramStore *pfs) {
488    rsAssert(mIsGraphicsContext);
489    if (pfs == NULL) {
490        mFragmentStore.set(mStateFragmentStore.mDefault);
491    } else {
492        mFragmentStore.set(pfs);
493    }
494}
495
496void Context::setProgramFragment(ProgramFragment *pf) {
497    rsAssert(mIsGraphicsContext);
498    if (pf == NULL) {
499        mFragment.set(mStateFragment.mDefault);
500    } else {
501        mFragment.set(pf);
502    }
503}
504
505void Context::setProgramRaster(ProgramRaster *pr) {
506    rsAssert(mIsGraphicsContext);
507    if (pr == NULL) {
508        mRaster.set(mStateRaster.mDefault);
509    } else {
510        mRaster.set(pr);
511    }
512}
513
514void Context::setProgramVertex(ProgramVertex *pv) {
515    rsAssert(mIsGraphicsContext);
516    if (pv == NULL) {
517        mVertex.set(mStateVertex.mDefault);
518    } else {
519        mVertex.set(pv);
520    }
521}
522
523void Context::setFont(Font *f) {
524    rsAssert(mIsGraphicsContext);
525    if (f == NULL) {
526        mFont.set(mStateFont.mDefault);
527    } else {
528        mFont.set(f);
529    }
530}
531
532void Context::assignName(ObjectBase *obj, const char *name, uint32_t len) {
533    rsAssert(!obj->getName());
534    obj->setName(name, len);
535    mNames.add(obj);
536}
537
538void Context::removeName(ObjectBase *obj) {
539    for (size_t ct=0; ct < mNames.size(); ct++) {
540        if (obj == mNames[ct]) {
541            mNames.removeAt(ct);
542            return;
543        }
544    }
545}
546
547RsMessageToClientType Context::peekMessageToClient(size_t *receiveLen, uint32_t *subID) {
548    return (RsMessageToClientType)mIO.getClientHeader(receiveLen, subID);
549}
550
551RsMessageToClientType Context::getMessageToClient(void *data, size_t *receiveLen, uint32_t *subID, size_t bufferLen) {
552    return (RsMessageToClientType)mIO.getClientPayload(data, receiveLen, subID, bufferLen);
553}
554
555bool Context::sendMessageToClient(const void *data, RsMessageToClientType cmdID,
556                                  uint32_t subID, size_t len, bool waitForSpace) const {
557
558    return mIO.sendToClient(cmdID, subID, data, len, waitForSpace);
559}
560
561void Context::initToClient() {
562    while (!mRunning) {
563        usleep(100);
564    }
565}
566
567void Context::deinitToClient() {
568    mIO.clientShutdown();
569}
570
571void Context::setError(RsError e, const char *msg) const {
572    mError = e;
573    sendMessageToClient(msg, RS_MESSAGE_TO_CLIENT_ERROR, e, strlen(msg) + 1, true);
574}
575
576
577void Context::dumpDebug() const {
578    LOGE("RS Context debug %p", this);
579    LOGE("RS Context debug");
580
581    LOGE(" RS width %i, height %i", mWidth, mHeight);
582    LOGE(" RS running %i, exit %i, paused %i", mRunning, mExit, mPaused);
583    LOGE(" RS pThreadID %li, nativeThreadID %i", (long int)mThreadId, mNativeThreadId);
584}
585
586///////////////////////////////////////////////////////////////////////////////////////////
587//
588
589namespace android {
590namespace renderscript {
591
592void rsi_ContextFinish(Context *rsc) {
593}
594
595void rsi_ContextBindRootScript(Context *rsc, RsScript vs) {
596    Script *s = static_cast<Script *>(vs);
597    rsc->setRootScript(s);
598}
599
600void rsi_ContextBindSampler(Context *rsc, uint32_t slot, RsSampler vs) {
601    Sampler *s = static_cast<Sampler *>(vs);
602
603    if (slot > RS_MAX_SAMPLER_SLOT) {
604        LOGE("Invalid sampler slot");
605        return;
606    }
607
608    s->bindToContext(&rsc->mStateSampler, slot);
609}
610
611void rsi_ContextBindProgramStore(Context *rsc, RsProgramStore vpfs) {
612    ProgramStore *pfs = static_cast<ProgramStore *>(vpfs);
613    rsc->setProgramStore(pfs);
614}
615
616void rsi_ContextBindProgramFragment(Context *rsc, RsProgramFragment vpf) {
617    ProgramFragment *pf = static_cast<ProgramFragment *>(vpf);
618    rsc->setProgramFragment(pf);
619}
620
621void rsi_ContextBindProgramRaster(Context *rsc, RsProgramRaster vpr) {
622    ProgramRaster *pr = static_cast<ProgramRaster *>(vpr);
623    rsc->setProgramRaster(pr);
624}
625
626void rsi_ContextBindProgramVertex(Context *rsc, RsProgramVertex vpv) {
627    ProgramVertex *pv = static_cast<ProgramVertex *>(vpv);
628    rsc->setProgramVertex(pv);
629}
630
631void rsi_ContextBindFont(Context *rsc, RsFont vfont) {
632    Font *font = static_cast<Font *>(vfont);
633    rsc->setFont(font);
634}
635
636void rsi_AssignName(Context *rsc, RsObjectBase obj, const char *name, size_t name_length) {
637    ObjectBase *ob = static_cast<ObjectBase *>(obj);
638    rsc->assignName(ob, name, name_length);
639}
640
641void rsi_ObjDestroy(Context *rsc, void *optr) {
642    ObjectBase *ob = static_cast<ObjectBase *>(optr);
643    rsc->removeName(ob);
644    ob->decUserRef();
645}
646
647void rsi_ContextPause(Context *rsc) {
648    rsc->pause();
649}
650
651void rsi_ContextResume(Context *rsc) {
652    rsc->resume();
653}
654
655void rsi_ContextSetSurface(Context *rsc, uint32_t w, uint32_t h, RsNativeWindow sur) {
656    rsc->setSurface(w, h, sur);
657}
658
659void rsi_ContextSetPriority(Context *rsc, int32_t p) {
660    rsc->setPriority(p);
661}
662
663void rsi_ContextDump(Context *rsc, int32_t bits) {
664    ObjectBase::dumpAll(rsc);
665}
666
667void rsi_ContextDestroyWorker(Context *rsc) {
668    rsc->destroyWorkerThreadResources();
669}
670
671void rsi_ContextDestroy(Context *rsc) {
672    LOGV("%p rsContextDestroy", rsc);
673    rsContextDestroyWorker(rsc);
674    delete rsc;
675    LOGV("%p rsContextDestroy done", rsc);
676}
677
678
679RsMessageToClientType rsi_ContextPeekMessage(Context *rsc,
680                                           size_t * receiveLen, size_t receiveLen_length,
681                                           uint32_t * subID, size_t subID_length) {
682    return rsc->peekMessageToClient(receiveLen, subID);
683}
684
685RsMessageToClientType rsi_ContextGetMessage(Context *rsc, void * data, size_t data_length,
686                                          size_t * receiveLen, size_t receiveLen_length,
687                                          uint32_t * subID, size_t subID_length) {
688    rsAssert(subID_length == sizeof(uint32_t));
689    rsAssert(receiveLen_length == sizeof(size_t));
690    return rsc->getMessageToClient(data, receiveLen, subID, data_length);
691}
692
693void rsi_ContextInitToClient(Context *rsc) {
694    rsc->initToClient();
695}
696
697void rsi_ContextDeinitToClient(Context *rsc) {
698    rsc->deinitToClient();
699}
700
701}
702}
703
704RsContext rsContextCreate(RsDevice vdev, uint32_t version,
705                          uint32_t sdkVersion) {
706    LOGV("rsContextCreate dev=%p", vdev);
707    Device * dev = static_cast<Device *>(vdev);
708    Context *rsc = Context::createContext(dev, NULL);
709    if (rsc) {
710        rsc->setTargetSdkVersion(sdkVersion);
711    }
712    return rsc;
713}
714
715RsContext rsContextCreateGL(RsDevice vdev, uint32_t version,
716                            uint32_t sdkVersion, RsSurfaceConfig sc,
717                            uint32_t dpi) {
718    LOGV("rsContextCreateGL dev=%p", vdev);
719    Device * dev = static_cast<Device *>(vdev);
720    Context *rsc = Context::createContext(dev, &sc);
721    if (rsc) {
722        rsc->setTargetSdkVersion(sdkVersion);
723        rsc->setDPI(dpi);
724    }
725    LOGV("%p rsContextCreateGL ret", rsc);
726    return rsc;
727}
728
729// Only to be called at a3d load time, before object is visible to user
730// not thread safe
731void rsaGetName(RsContext con, void * obj, const char **name) {
732    ObjectBase *ob = static_cast<ObjectBase *>(obj);
733    (*name) = ob->getName();
734}
735