rsContext.cpp revision 2382aba4a55c6ae74789c478eead8fbd96593321 
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    watchdog.inRoot = true;
90    uint32_t ret = runScript(mRootScript.get());
91    watchdog.inRoot = false;
92
93    return ret;
94}
95
96uint64_t Context::getTime() const {
97#ifndef ANDROID_RS_SERIALIZE
98    struct timespec t;
99    clock_gettime(CLOCK_MONOTONIC, &t);
100    return t.tv_nsec + ((uint64_t)t.tv_sec * 1000 * 1000 * 1000);
101#else
102    return 0;
103#endif //ANDROID_RS_SERIALIZE
104}
105
106void Context::timerReset() {
107    for (int ct=0; ct < _RS_TIMER_TOTAL; ct++) {
108        mTimers[ct] = 0;
109    }
110}
111
112void Context::timerInit() {
113    mTimeLast = getTime();
114    mTimeFrame = mTimeLast;
115    mTimeLastFrame = mTimeLast;
116    mTimerActive = RS_TIMER_INTERNAL;
117    mAverageFPSFrameCount = 0;
118    mAverageFPSStartTime = mTimeLast;
119    mAverageFPS = 0;
120    timerReset();
121}
122
123void Context::timerFrame() {
124    mTimeLastFrame = mTimeFrame;
125    mTimeFrame = getTime();
126    // Update average fps
127    const uint64_t averageFramerateInterval = 1000 * 1000000;
128    mAverageFPSFrameCount ++;
129    uint64_t inverval = mTimeFrame - mAverageFPSStartTime;
130    if (inverval >= averageFramerateInterval) {
131        inverval = inverval / 1000000;
132        mAverageFPS = (mAverageFPSFrameCount * 1000) / inverval;
133        mAverageFPSFrameCount = 0;
134        mAverageFPSStartTime = mTimeFrame;
135    }
136}
137
138void Context::timerSet(Timers tm) {
139    uint64_t last = mTimeLast;
140    mTimeLast = getTime();
141    mTimers[mTimerActive] += mTimeLast - last;
142    mTimerActive = tm;
143}
144
145void Context::timerPrint() {
146    double total = 0;
147    for (int ct = 0; ct < _RS_TIMER_TOTAL; ct++) {
148        total += mTimers[ct];
149    }
150    uint64_t frame = mTimeFrame - mTimeLastFrame;
151    mTimeMSLastFrame = frame / 1000000;
152    mTimeMSLastScript = mTimers[RS_TIMER_SCRIPT] / 1000000;
153    mTimeMSLastSwap = mTimers[RS_TIMER_CLEAR_SWAP] / 1000000;
154
155
156    if (props.mLogTimes) {
157        LOGV("RS: Frame (%i),   Script %2.1f%% (%i),  Swap %2.1f%% (%i),  Idle %2.1f%% (%lli),  Internal %2.1f%% (%lli), Avg fps: %u",
158             mTimeMSLastFrame,
159             100.0 * mTimers[RS_TIMER_SCRIPT] / total, mTimeMSLastScript,
160             100.0 * mTimers[RS_TIMER_CLEAR_SWAP] / total, mTimeMSLastSwap,
161             100.0 * mTimers[RS_TIMER_IDLE] / total, mTimers[RS_TIMER_IDLE] / 1000000,
162             100.0 * mTimers[RS_TIMER_INTERNAL] / total, mTimers[RS_TIMER_INTERNAL] / 1000000,
163             mAverageFPS);
164    }
165}
166
167bool Context::setupCheck() {
168
169    mFragmentStore->setup(this, &mStateFragmentStore);
170    mFragment->setup(this, &mStateFragment);
171    mRaster->setup(this, &mStateRaster);
172    mVertex->setup(this, &mStateVertex);
173    mFBOCache.setup(this);
174    return true;
175}
176
177void Context::setupProgramStore() {
178    mFragmentStore->setup(this, &mStateFragmentStore);
179}
180
181static bool getProp(const char *str) {
182    char buf[PROPERTY_VALUE_MAX];
183    property_get(str, buf, "0");
184    return 0 != strcmp(buf, "0");
185}
186
187void Context::displayDebugStats() {
188    char buffer[128];
189    sprintf(buffer, "Avg fps %u, Frame %i ms, Script %i ms", mAverageFPS, mTimeMSLastFrame, mTimeMSLastScript);
190    float oldR, oldG, oldB, oldA;
191    mStateFont.getFontColor(&oldR, &oldG, &oldB, &oldA);
192    uint32_t bufferLen = strlen(buffer);
193
194    ObjectBaseRef<Font> lastFont(getFont());
195    setFont(NULL);
196    float shadowCol = 0.1f;
197    mStateFont.setFontColor(shadowCol, shadowCol, shadowCol, 1.0f);
198    mStateFont.renderText(buffer, bufferLen, 5, getHeight() - 6);
199
200    mStateFont.setFontColor(1.0f, 0.7f, 0.0f, 1.0f);
201    mStateFont.renderText(buffer, bufferLen, 4, getHeight() - 7);
202
203    setFont(lastFont.get());
204    mStateFont.setFontColor(oldR, oldG, oldB, oldA);
205}
206
207void * Context::threadProc(void *vrsc) {
208    Context *rsc = static_cast<Context *>(vrsc);
209#ifndef ANDROID_RS_SERIALIZE
210    rsc->mNativeThreadId = gettid();
211    setpriority(PRIO_PROCESS, rsc->mNativeThreadId, ANDROID_PRIORITY_DISPLAY);
212    rsc->mThreadPriority = ANDROID_PRIORITY_DISPLAY;
213#endif //ANDROID_RS_SERIALIZE
214    rsc->props.mLogTimes = getProp("debug.rs.profile");
215    rsc->props.mLogScripts = getProp("debug.rs.script");
216    rsc->props.mLogObjects = getProp("debug.rs.object");
217    rsc->props.mLogShaders = getProp("debug.rs.shader");
218    rsc->props.mLogShadersAttr = getProp("debug.rs.shader.attributes");
219    rsc->props.mLogShadersUniforms = getProp("debug.rs.shader.uniforms");
220    rsc->props.mLogVisual = getProp("debug.rs.visual");
221
222    if (!rsdHalInit(rsc, 0, 0)) {
223        rsc->setError(RS_ERROR_FATAL_DRIVER, "Failed initializing GL");
224        LOGE("Hal init failed");
225        return NULL;
226    }
227    rsc->mHal.funcs.setPriority(rsc, rsc->mThreadPriority);
228
229    if (rsc->mIsGraphicsContext) {
230        if (!rsc->initGLThread()) {
231            rsc->setError(RS_ERROR_OUT_OF_MEMORY, "Failed initializing GL");
232            return NULL;
233        }
234
235        rsc->mStateRaster.init(rsc);
236        rsc->setProgramRaster(NULL);
237        rsc->mStateVertex.init(rsc);
238        rsc->setProgramVertex(NULL);
239        rsc->mStateFragment.init(rsc);
240        rsc->setProgramFragment(NULL);
241        rsc->mStateFragmentStore.init(rsc);
242        rsc->setProgramStore(NULL);
243        rsc->mStateFont.init(rsc);
244        rsc->setFont(NULL);
245        rsc->mStateSampler.init(rsc);
246        rsc->mFBOCache.init(rsc);
247    }
248
249    rsc->mRunning = true;
250    bool mDraw = true;
251    bool doWait = true;
252
253    uint64_t targetTime = rsc->getTime();
254    while (!rsc->mExit) {
255        uint64_t waitTime = 0;
256        uint64_t now = rsc->getTime();
257        if (!doWait) {
258            if (now < targetTime) {
259                waitTime = targetTime - now;
260                doWait = true;
261            }
262        }
263
264        mDraw |= rsc->mIO.playCoreCommands(rsc, doWait, waitTime);
265        mDraw &= (rsc->mRootScript.get() != NULL);
266        mDraw &= rsc->mHasSurface;
267
268        if (mDraw && rsc->mIsGraphicsContext) {
269            uint64_t delay = rsc->runRootScript() * 1000000;
270            targetTime = rsc->getTime() + delay;
271            doWait = (delay == 0);
272
273            if (rsc->props.mLogVisual) {
274                rsc->displayDebugStats();
275            }
276
277            mDraw = !rsc->mPaused;
278            rsc->timerSet(RS_TIMER_CLEAR_SWAP);
279            rsc->mHal.funcs.swap(rsc);
280            rsc->timerFrame();
281            rsc->timerSet(RS_TIMER_INTERNAL);
282            rsc->timerPrint();
283            rsc->timerReset();
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    LOGE("RS watchdog timeout: %i  %s  line %i %s", rsc->watchdog.inRoot,
325         rsc->watchdog.command, rsc->watchdog.line, rsc->watchdog.file);
326}
327
328
329void Context::setPriority(int32_t p) {
330    // Note: If we put this in the proper "background" policy
331    // the wallpapers can become completly unresponsive at times.
332    // This is probably not what we want for something the user is actively
333    // looking at.
334    mThreadPriority = p;
335#if 0
336    SchedPolicy pol = SP_FOREGROUND;
337    if (p > 0) {
338        pol = SP_BACKGROUND;
339    }
340    if (!set_sched_policy(mNativeThreadId, pol)) {
341        // success; reset the priority as well
342    }
343#else
344    setpriority(PRIO_PROCESS, mNativeThreadId, p);
345#endif
346}
347
348Context::Context() {
349    mDev = NULL;
350    mRunning = false;
351    mExit = false;
352    mPaused = false;
353    mObjHead = NULL;
354    mError = RS_ERROR_NONE;
355    mTargetSdkVersion = 14;
356    mDPI = 96;
357    mIsContextLite = false;
358}
359
360Context * Context::createContext(Device *dev, const RsSurfaceConfig *sc) {
361    Context * rsc = new Context();
362
363    if (!rsc->initContext(dev, sc)) {
364        delete rsc;
365        return NULL;
366    }
367    return rsc;
368}
369
370Context * Context::createContextLite() {
371    Context * rsc = new Context();
372    rsc->mIsContextLite = true;
373    return rsc;
374}
375
376bool Context::initContext(Device *dev, const RsSurfaceConfig *sc) {
377    pthread_mutex_lock(&gInitMutex);
378
379    mIO.init();
380    mIO.setTimoutCallback(printWatchdogInfo, this, 2e9);
381
382    dev->addContext(this);
383    mDev = dev;
384    if (sc) {
385        mUserSurfaceConfig = *sc;
386    } else {
387        memset(&mUserSurfaceConfig, 0, sizeof(mUserSurfaceConfig));
388    }
389
390    mIsGraphicsContext = sc != NULL;
391
392    int status;
393    pthread_attr_t threadAttr;
394
395    pthread_mutex_unlock(&gInitMutex);
396
397    // Global init done at this point.
398
399    status = pthread_attr_init(&threadAttr);
400    if (status) {
401        LOGE("Failed to init thread attribute.");
402        return false;
403    }
404
405    mHasSurface = false;
406
407    timerInit();
408    timerSet(RS_TIMER_INTERNAL);
409
410    status = pthread_create(&mThreadId, &threadAttr, threadProc, this);
411    if (status) {
412        LOGE("Failed to start rs context thread.");
413        return false;
414    }
415    while (!mRunning && (mError == RS_ERROR_NONE)) {
416        usleep(100);
417    }
418
419    if (mError != RS_ERROR_NONE) {
420        LOGE("Errors during thread init");
421        return false;
422    }
423
424    pthread_attr_destroy(&threadAttr);
425    return true;
426}
427
428Context::~Context() {
429    LOGV("Context::~Context");
430
431    if (!mIsContextLite) {
432        mIO.coreFlush();
433        rsAssert(mExit);
434        mExit = true;
435        mPaused = false;
436        void *res;
437
438        mIO.shutdown();
439        int status = pthread_join(mThreadId, &res);
440
441        if (mHal.funcs.shutdownDriver) {
442            mHal.funcs.shutdownDriver(this);
443        }
444
445        // Global structure cleanup.
446        pthread_mutex_lock(&gInitMutex);
447        if (mDev) {
448            mDev->removeContext(this);
449            mDev = NULL;
450        }
451        pthread_mutex_unlock(&gInitMutex);
452    }
453    LOGV("Context::~Context done");
454}
455
456void Context::setSurface(uint32_t w, uint32_t h, RsNativeWindow sur) {
457    rsAssert(mIsGraphicsContext);
458    mHal.funcs.setSurface(this, w, h, sur);
459
460    mHasSurface = sur != NULL;
461    mWidth = w;
462    mHeight = h;
463
464    if (mWidth && mHeight) {
465        mStateVertex.updateSize(this);
466        mFBOCache.updateSize();
467    }
468}
469
470void Context::pause() {
471    rsAssert(mIsGraphicsContext);
472    mPaused = true;
473}
474
475void Context::resume() {
476    rsAssert(mIsGraphicsContext);
477    mPaused = false;
478}
479
480void Context::setRootScript(Script *s) {
481    rsAssert(mIsGraphicsContext);
482    mRootScript.set(s);
483}
484
485void Context::setProgramStore(ProgramStore *pfs) {
486    rsAssert(mIsGraphicsContext);
487    if (pfs == NULL) {
488        mFragmentStore.set(mStateFragmentStore.mDefault);
489    } else {
490        mFragmentStore.set(pfs);
491    }
492}
493
494void Context::setProgramFragment(ProgramFragment *pf) {
495    rsAssert(mIsGraphicsContext);
496    if (pf == NULL) {
497        mFragment.set(mStateFragment.mDefault);
498    } else {
499        mFragment.set(pf);
500    }
501}
502
503void Context::setProgramRaster(ProgramRaster *pr) {
504    rsAssert(mIsGraphicsContext);
505    if (pr == NULL) {
506        mRaster.set(mStateRaster.mDefault);
507    } else {
508        mRaster.set(pr);
509    }
510}
511
512void Context::setProgramVertex(ProgramVertex *pv) {
513    rsAssert(mIsGraphicsContext);
514    if (pv == NULL) {
515        mVertex.set(mStateVertex.mDefault);
516    } else {
517        mVertex.set(pv);
518    }
519}
520
521void Context::setFont(Font *f) {
522    rsAssert(mIsGraphicsContext);
523    if (f == NULL) {
524        mFont.set(mStateFont.mDefault);
525    } else {
526        mFont.set(f);
527    }
528}
529
530void Context::assignName(ObjectBase *obj, const char *name, uint32_t len) {
531    rsAssert(!obj->getName());
532    obj->setName(name, len);
533    mNames.add(obj);
534}
535
536void Context::removeName(ObjectBase *obj) {
537    for (size_t ct=0; ct < mNames.size(); ct++) {
538        if (obj == mNames[ct]) {
539            mNames.removeAt(ct);
540            return;
541        }
542    }
543}
544
545RsMessageToClientType Context::peekMessageToClient(size_t *receiveLen, uint32_t *subID) {
546    return (RsMessageToClientType)mIO.getClientHeader(receiveLen, subID);
547}
548
549RsMessageToClientType Context::getMessageToClient(void *data, size_t *receiveLen, uint32_t *subID, size_t bufferLen) {
550    return (RsMessageToClientType)mIO.getClientPayload(data, receiveLen, subID, bufferLen);
551}
552
553bool Context::sendMessageToClient(const void *data, RsMessageToClientType cmdID,
554                                  uint32_t subID, size_t len, bool waitForSpace) const {
555
556    return mIO.sendToClient(cmdID, subID, data, len, waitForSpace);
557}
558
559void Context::initToClient() {
560    while (!mRunning) {
561        usleep(100);
562    }
563}
564
565void Context::deinitToClient() {
566    mIO.clientShutdown();
567}
568
569void Context::setError(RsError e, const char *msg) const {
570    mError = e;
571    sendMessageToClient(msg, RS_MESSAGE_TO_CLIENT_ERROR, e, strlen(msg) + 1, true);
572}
573
574
575void Context::dumpDebug() const {
576    LOGE("RS Context debug %p", this);
577    LOGE("RS Context debug");
578
579    LOGE(" RS width %i, height %i", mWidth, mHeight);
580    LOGE(" RS running %i, exit %i, paused %i", mRunning, mExit, mPaused);
581    LOGE(" RS pThreadID %li, nativeThreadID %i", (long int)mThreadId, mNativeThreadId);
582}
583
584///////////////////////////////////////////////////////////////////////////////////////////
585//
586
587namespace android {
588namespace renderscript {
589
590void rsi_ContextFinish(Context *rsc) {
591}
592
593void rsi_ContextBindRootScript(Context *rsc, RsScript vs) {
594    Script *s = static_cast<Script *>(vs);
595    rsc->setRootScript(s);
596}
597
598void rsi_ContextBindSampler(Context *rsc, uint32_t slot, RsSampler vs) {
599    Sampler *s = static_cast<Sampler *>(vs);
600
601    if (slot > RS_MAX_SAMPLER_SLOT) {
602        LOGE("Invalid sampler slot");
603        return;
604    }
605
606    s->bindToContext(&rsc->mStateSampler, slot);
607}
608
609void rsi_ContextBindProgramStore(Context *rsc, RsProgramStore vpfs) {
610    ProgramStore *pfs = static_cast<ProgramStore *>(vpfs);
611    rsc->setProgramStore(pfs);
612}
613
614void rsi_ContextBindProgramFragment(Context *rsc, RsProgramFragment vpf) {
615    ProgramFragment *pf = static_cast<ProgramFragment *>(vpf);
616    rsc->setProgramFragment(pf);
617}
618
619void rsi_ContextBindProgramRaster(Context *rsc, RsProgramRaster vpr) {
620    ProgramRaster *pr = static_cast<ProgramRaster *>(vpr);
621    rsc->setProgramRaster(pr);
622}
623
624void rsi_ContextBindProgramVertex(Context *rsc, RsProgramVertex vpv) {
625    ProgramVertex *pv = static_cast<ProgramVertex *>(vpv);
626    rsc->setProgramVertex(pv);
627}
628
629void rsi_ContextBindFont(Context *rsc, RsFont vfont) {
630    Font *font = static_cast<Font *>(vfont);
631    rsc->setFont(font);
632}
633
634void rsi_AssignName(Context *rsc, RsObjectBase obj, const char *name, size_t name_length) {
635    ObjectBase *ob = static_cast<ObjectBase *>(obj);
636    rsc->assignName(ob, name, name_length);
637}
638
639void rsi_ObjDestroy(Context *rsc, void *optr) {
640    ObjectBase *ob = static_cast<ObjectBase *>(optr);
641    rsc->removeName(ob);
642    ob->decUserRef();
643}
644
645void rsi_ContextPause(Context *rsc) {
646    rsc->pause();
647}
648
649void rsi_ContextResume(Context *rsc) {
650    rsc->resume();
651}
652
653void rsi_ContextSetSurface(Context *rsc, uint32_t w, uint32_t h, RsNativeWindow sur) {
654    rsc->setSurface(w, h, sur);
655}
656
657void rsi_ContextSetPriority(Context *rsc, int32_t p) {
658    rsc->setPriority(p);
659}
660
661void rsi_ContextDump(Context *rsc, int32_t bits) {
662    ObjectBase::dumpAll(rsc);
663}
664
665void rsi_ContextDestroyWorker(Context *rsc) {
666    rsc->destroyWorkerThreadResources();
667}
668
669void rsi_ContextDestroy(Context *rsc) {
670    LOGV("rsContextDestroy %p", rsc);
671    rsContextDestroyWorker(rsc);
672    delete rsc;
673    LOGV("rsContextDestroy 2 %p", rsc);
674}
675
676
677RsMessageToClientType rsi_ContextPeekMessage(Context *rsc,
678                                           size_t * receiveLen, size_t receiveLen_length,
679                                           uint32_t * subID, size_t subID_length) {
680    return rsc->peekMessageToClient(receiveLen, subID);
681}
682
683RsMessageToClientType rsi_ContextGetMessage(Context *rsc, void * data, size_t data_length,
684                                          size_t * receiveLen, size_t receiveLen_length,
685                                          uint32_t * subID, size_t subID_length) {
686    rsAssert(subID_length == sizeof(uint32_t));
687    rsAssert(receiveLen_length == sizeof(size_t));
688    return rsc->getMessageToClient(data, receiveLen, subID, data_length);
689}
690
691void rsi_ContextInitToClient(Context *rsc) {
692    rsc->initToClient();
693}
694
695void rsi_ContextDeinitToClient(Context *rsc) {
696    rsc->deinitToClient();
697}
698
699}
700}
701
702RsContext rsContextCreate(RsDevice vdev, uint32_t version,
703                          uint32_t sdkVersion) {
704    LOGV("rsContextCreate %p", vdev);
705    Device * dev = static_cast<Device *>(vdev);
706    Context *rsc = Context::createContext(dev, NULL);
707    if (rsc) {
708        rsc->setTargetSdkVersion(sdkVersion);
709    }
710    return rsc;
711}
712
713RsContext rsContextCreateGL(RsDevice vdev, uint32_t version,
714                            uint32_t sdkVersion, RsSurfaceConfig sc,
715                            uint32_t dpi) {
716    LOGV("rsContextCreateGL %p", vdev);
717    Device * dev = static_cast<Device *>(vdev);
718    Context *rsc = Context::createContext(dev, &sc);
719    if (rsc) {
720        rsc->setTargetSdkVersion(sdkVersion);
721        rsc->setDPI(dpi);
722    }
723    LOGV("rsContextCreateGL ret %p ", rsc);
724    return rsc;
725}
726
727// Only to be called at a3d load time, before object is visible to user
728// not thread safe
729void rsaGetName(RsContext con, void * obj, const char **name) {
730    ObjectBase *ob = static_cast<ObjectBase *>(obj);
731    (*name) = ob->getName();
732}
733