rsContext.cpp revision 151d2c97c4e1f91a356a4004521b04af84100427 
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        } else {
283            doWait = true;
284        }
285    }
286
287    LOGV("%p RS Thread exiting", rsc);
288
289    if (rsc->mIsGraphicsContext) {
290        pthread_mutex_lock(&gInitMutex);
291        rsc->deinitEGL();
292        pthread_mutex_unlock(&gInitMutex);
293    }
294
295    LOGV("%p RS Thread exited", rsc);
296    return NULL;
297}
298
299void Context::destroyWorkerThreadResources() {
300    //LOGV("destroyWorkerThreadResources 1");
301    ObjectBase::zeroAllUserRef(this);
302    if (mIsGraphicsContext) {
303         mRaster.clear();
304         mFragment.clear();
305         mVertex.clear();
306         mFragmentStore.clear();
307         mFont.clear();
308         mRootScript.clear();
309         mStateRaster.deinit(this);
310         mStateVertex.deinit(this);
311         mStateFragment.deinit(this);
312         mStateFragmentStore.deinit(this);
313         mStateFont.deinit(this);
314         mStateSampler.deinit(this);
315         mFBOCache.deinit(this);
316    }
317    ObjectBase::freeAllChildren(this);
318    //LOGV("destroyWorkerThreadResources 2");
319    mExit = true;
320}
321
322void Context::printWatchdogInfo(void *ctx) {
323    Context *rsc = (Context *)ctx;
324    if (rsc->watchdog.command && rsc->watchdog.file) {
325        LOGE("RS watchdog timeout: %i  %s  line %i %s", rsc->watchdog.inRoot,
326             rsc->watchdog.command, rsc->watchdog.line, rsc->watchdog.file);
327    } else {
328        LOGE("RS watchdog timeout: %i", rsc->watchdog.inRoot);
329    }
330}
331
332
333void Context::setPriority(int32_t p) {
334    // Note: If we put this in the proper "background" policy
335    // the wallpapers can become completly unresponsive at times.
336    // This is probably not what we want for something the user is actively
337    // looking at.
338    mThreadPriority = p;
339#if 0
340    SchedPolicy pol = SP_FOREGROUND;
341    if (p > 0) {
342        pol = SP_BACKGROUND;
343    }
344    if (!set_sched_policy(mNativeThreadId, pol)) {
345        // success; reset the priority as well
346    }
347#else
348    setpriority(PRIO_PROCESS, mNativeThreadId, p);
349#endif
350}
351
352Context::Context() {
353    mDev = NULL;
354    mRunning = false;
355    mExit = false;
356    mPaused = false;
357    mObjHead = NULL;
358    mError = RS_ERROR_NONE;
359    mTargetSdkVersion = 14;
360    mDPI = 96;
361    mIsContextLite = false;
362    memset(&watchdog, 0, sizeof(watchdog));
363}
364
365Context * Context::createContext(Device *dev, const RsSurfaceConfig *sc) {
366    Context * rsc = new Context();
367
368    if (!rsc->initContext(dev, sc)) {
369        delete rsc;
370        return NULL;
371    }
372    return rsc;
373}
374
375Context * Context::createContextLite() {
376    Context * rsc = new Context();
377    rsc->mIsContextLite = true;
378    return rsc;
379}
380
381bool Context::initContext(Device *dev, const RsSurfaceConfig *sc) {
382    pthread_mutex_lock(&gInitMutex);
383
384    mIO.init();
385    mIO.setTimoutCallback(printWatchdogInfo, this, 2e9);
386
387    dev->addContext(this);
388    mDev = dev;
389    if (sc) {
390        mUserSurfaceConfig = *sc;
391    } else {
392        memset(&mUserSurfaceConfig, 0, sizeof(mUserSurfaceConfig));
393    }
394
395    mIsGraphicsContext = sc != NULL;
396
397    int status;
398    pthread_attr_t threadAttr;
399
400    pthread_mutex_unlock(&gInitMutex);
401
402    // Global init done at this point.
403
404    status = pthread_attr_init(&threadAttr);
405    if (status) {
406        LOGE("Failed to init thread attribute.");
407        return false;
408    }
409
410    mHasSurface = false;
411
412    timerInit();
413    timerSet(RS_TIMER_INTERNAL);
414
415    status = pthread_create(&mThreadId, &threadAttr, threadProc, this);
416    if (status) {
417        LOGE("Failed to start rs context thread.");
418        return false;
419    }
420    while (!mRunning && (mError == RS_ERROR_NONE)) {
421        usleep(100);
422    }
423
424    if (mError != RS_ERROR_NONE) {
425        LOGE("Errors during thread init");
426        return false;
427    }
428
429    pthread_attr_destroy(&threadAttr);
430    return true;
431}
432
433Context::~Context() {
434    LOGV("%p Context::~Context", this);
435
436    if (!mIsContextLite) {
437        mIO.coreFlush();
438        rsAssert(mExit);
439        mExit = true;
440        mPaused = false;
441        void *res;
442
443        mIO.shutdown();
444        int status = pthread_join(mThreadId, &res);
445
446        if (mHal.funcs.shutdownDriver) {
447            mHal.funcs.shutdownDriver(this);
448        }
449
450        // Global structure cleanup.
451        pthread_mutex_lock(&gInitMutex);
452        if (mDev) {
453            mDev->removeContext(this);
454            mDev = NULL;
455        }
456        pthread_mutex_unlock(&gInitMutex);
457    }
458    LOGV("%p Context::~Context done", this);
459}
460
461void Context::setSurface(uint32_t w, uint32_t h, RsNativeWindow sur) {
462    rsAssert(mIsGraphicsContext);
463    mHal.funcs.setSurface(this, w, h, sur);
464
465    mHasSurface = sur != NULL;
466    mWidth = w;
467    mHeight = h;
468
469    if (mWidth && mHeight) {
470        mStateVertex.updateSize(this);
471        mFBOCache.updateSize();
472    }
473}
474
475void Context::pause() {
476    rsAssert(mIsGraphicsContext);
477    mPaused = true;
478}
479
480void Context::resume() {
481    rsAssert(mIsGraphicsContext);
482    mPaused = false;
483}
484
485void Context::setRootScript(Script *s) {
486    rsAssert(mIsGraphicsContext);
487    mRootScript.set(s);
488}
489
490void Context::setProgramStore(ProgramStore *pfs) {
491    rsAssert(mIsGraphicsContext);
492    if (pfs == NULL) {
493        mFragmentStore.set(mStateFragmentStore.mDefault);
494    } else {
495        mFragmentStore.set(pfs);
496    }
497}
498
499void Context::setProgramFragment(ProgramFragment *pf) {
500    rsAssert(mIsGraphicsContext);
501    if (pf == NULL) {
502        mFragment.set(mStateFragment.mDefault);
503    } else {
504        mFragment.set(pf);
505    }
506}
507
508void Context::setProgramRaster(ProgramRaster *pr) {
509    rsAssert(mIsGraphicsContext);
510    if (pr == NULL) {
511        mRaster.set(mStateRaster.mDefault);
512    } else {
513        mRaster.set(pr);
514    }
515}
516
517void Context::setProgramVertex(ProgramVertex *pv) {
518    rsAssert(mIsGraphicsContext);
519    if (pv == NULL) {
520        mVertex.set(mStateVertex.mDefault);
521    } else {
522        mVertex.set(pv);
523    }
524}
525
526void Context::setFont(Font *f) {
527    rsAssert(mIsGraphicsContext);
528    if (f == NULL) {
529        mFont.set(mStateFont.mDefault);
530    } else {
531        mFont.set(f);
532    }
533}
534
535void Context::assignName(ObjectBase *obj, const char *name, uint32_t len) {
536    rsAssert(!obj->getName());
537    obj->setName(name, len);
538    mNames.add(obj);
539}
540
541void Context::removeName(ObjectBase *obj) {
542    for (size_t ct=0; ct < mNames.size(); ct++) {
543        if (obj == mNames[ct]) {
544            mNames.removeAt(ct);
545            return;
546        }
547    }
548}
549
550RsMessageToClientType Context::peekMessageToClient(size_t *receiveLen, uint32_t *subID) {
551    return (RsMessageToClientType)mIO.getClientHeader(receiveLen, subID);
552}
553
554RsMessageToClientType Context::getMessageToClient(void *data, size_t *receiveLen, uint32_t *subID, size_t bufferLen) {
555    return (RsMessageToClientType)mIO.getClientPayload(data, receiveLen, subID, bufferLen);
556}
557
558bool Context::sendMessageToClient(const void *data, RsMessageToClientType cmdID,
559                                  uint32_t subID, size_t len, bool waitForSpace) const {
560
561    return mIO.sendToClient(cmdID, subID, data, len, waitForSpace);
562}
563
564void Context::initToClient() {
565    while (!mRunning) {
566        usleep(100);
567    }
568}
569
570void Context::deinitToClient() {
571    mIO.clientShutdown();
572}
573
574void Context::setError(RsError e, const char *msg) const {
575    mError = e;
576    sendMessageToClient(msg, RS_MESSAGE_TO_CLIENT_ERROR, e, strlen(msg) + 1, true);
577}
578
579
580void Context::dumpDebug() const {
581    LOGE("RS Context debug %p", this);
582    LOGE("RS Context debug");
583
584    LOGE(" RS width %i, height %i", mWidth, mHeight);
585    LOGE(" RS running %i, exit %i, paused %i", mRunning, mExit, mPaused);
586    LOGE(" RS pThreadID %li, nativeThreadID %i", (long int)mThreadId, mNativeThreadId);
587}
588
589///////////////////////////////////////////////////////////////////////////////////////////
590//
591
592namespace android {
593namespace renderscript {
594
595void rsi_ContextFinish(Context *rsc) {
596}
597
598void rsi_ContextBindRootScript(Context *rsc, RsScript vs) {
599    Script *s = static_cast<Script *>(vs);
600    rsc->setRootScript(s);
601}
602
603void rsi_ContextBindSampler(Context *rsc, uint32_t slot, RsSampler vs) {
604    Sampler *s = static_cast<Sampler *>(vs);
605
606    if (slot > RS_MAX_SAMPLER_SLOT) {
607        LOGE("Invalid sampler slot");
608        return;
609    }
610
611    s->bindToContext(&rsc->mStateSampler, slot);
612}
613
614void rsi_ContextBindProgramStore(Context *rsc, RsProgramStore vpfs) {
615    ProgramStore *pfs = static_cast<ProgramStore *>(vpfs);
616    rsc->setProgramStore(pfs);
617}
618
619void rsi_ContextBindProgramFragment(Context *rsc, RsProgramFragment vpf) {
620    ProgramFragment *pf = static_cast<ProgramFragment *>(vpf);
621    rsc->setProgramFragment(pf);
622}
623
624void rsi_ContextBindProgramRaster(Context *rsc, RsProgramRaster vpr) {
625    ProgramRaster *pr = static_cast<ProgramRaster *>(vpr);
626    rsc->setProgramRaster(pr);
627}
628
629void rsi_ContextBindProgramVertex(Context *rsc, RsProgramVertex vpv) {
630    ProgramVertex *pv = static_cast<ProgramVertex *>(vpv);
631    rsc->setProgramVertex(pv);
632}
633
634void rsi_ContextBindFont(Context *rsc, RsFont vfont) {
635    Font *font = static_cast<Font *>(vfont);
636    rsc->setFont(font);
637}
638
639void rsi_AssignName(Context *rsc, RsObjectBase obj, const char *name, size_t name_length) {
640    ObjectBase *ob = static_cast<ObjectBase *>(obj);
641    rsc->assignName(ob, name, name_length);
642}
643
644void rsi_ObjDestroy(Context *rsc, void *optr) {
645    ObjectBase *ob = static_cast<ObjectBase *>(optr);
646    rsc->removeName(ob);
647    ob->decUserRef();
648}
649
650void rsi_ContextPause(Context *rsc) {
651    rsc->pause();
652}
653
654void rsi_ContextResume(Context *rsc) {
655    rsc->resume();
656}
657
658void rsi_ContextSetSurface(Context *rsc, uint32_t w, uint32_t h, RsNativeWindow sur) {
659    rsc->setSurface(w, h, sur);
660}
661
662void rsi_ContextSetPriority(Context *rsc, int32_t p) {
663    rsc->setPriority(p);
664}
665
666void rsi_ContextDump(Context *rsc, int32_t bits) {
667    ObjectBase::dumpAll(rsc);
668}
669
670void rsi_ContextDestroyWorker(Context *rsc) {
671    rsc->destroyWorkerThreadResources();
672}
673
674void rsi_ContextDestroy(Context *rsc) {
675    LOGV("%p rsContextDestroy", rsc);
676    rsContextDestroyWorker(rsc);
677    delete rsc;
678    LOGV("%p rsContextDestroy done", rsc);
679}
680
681
682RsMessageToClientType rsi_ContextPeekMessage(Context *rsc,
683                                           size_t * receiveLen, size_t receiveLen_length,
684                                           uint32_t * subID, size_t subID_length) {
685    return rsc->peekMessageToClient(receiveLen, subID);
686}
687
688RsMessageToClientType rsi_ContextGetMessage(Context *rsc, void * data, size_t data_length,
689                                          size_t * receiveLen, size_t receiveLen_length,
690                                          uint32_t * subID, size_t subID_length) {
691    rsAssert(subID_length == sizeof(uint32_t));
692    rsAssert(receiveLen_length == sizeof(size_t));
693    return rsc->getMessageToClient(data, receiveLen, subID, data_length);
694}
695
696void rsi_ContextInitToClient(Context *rsc) {
697    rsc->initToClient();
698}
699
700void rsi_ContextDeinitToClient(Context *rsc) {
701    rsc->deinitToClient();
702}
703
704}
705}
706
707RsContext rsContextCreate(RsDevice vdev, uint32_t version,
708                          uint32_t sdkVersion) {
709    LOGV("rsContextCreate dev=%p", vdev);
710    Device * dev = static_cast<Device *>(vdev);
711    Context *rsc = Context::createContext(dev, NULL);
712    if (rsc) {
713        rsc->setTargetSdkVersion(sdkVersion);
714    }
715    return rsc;
716}
717
718RsContext rsContextCreateGL(RsDevice vdev, uint32_t version,
719                            uint32_t sdkVersion, RsSurfaceConfig sc,
720                            uint32_t dpi) {
721    LOGV("rsContextCreateGL dev=%p", vdev);
722    Device * dev = static_cast<Device *>(vdev);
723    Context *rsc = Context::createContext(dev, &sc);
724    if (rsc) {
725        rsc->setTargetSdkVersion(sdkVersion);
726        rsc->setDPI(dpi);
727    }
728    LOGV("%p rsContextCreateGL ret", rsc);
729    return rsc;
730}
731
732// Only to be called at a3d load time, before object is visible to user
733// not thread safe
734void rsaGetName(RsContext con, void * obj, const char **name) {
735    ObjectBase *ob = static_cast<ObjectBase *>(obj);
736    (*name) = ob->getName();
737}
738