rsContext.cpp revision 86d842a703da80b40eae5a482d4e26d8b2aae048 
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    LOGE("RS watchdog timeout: %i  %s  line %i %s", rsc->watchdog.inRoot,
323         rsc->watchdog.command, rsc->watchdog.line, rsc->watchdog.file);
324}
325
326
327void Context::setPriority(int32_t p) {
328    // Note: If we put this in the proper "background" policy
329    // the wallpapers can become completly unresponsive at times.
330    // This is probably not what we want for something the user is actively
331    // looking at.
332    mThreadPriority = p;
333#if 0
334    SchedPolicy pol = SP_FOREGROUND;
335    if (p > 0) {
336        pol = SP_BACKGROUND;
337    }
338    if (!set_sched_policy(mNativeThreadId, pol)) {
339        // success; reset the priority as well
340    }
341#else
342    setpriority(PRIO_PROCESS, mNativeThreadId, p);
343#endif
344}
345
346Context::Context() {
347    mDev = NULL;
348    mRunning = false;
349    mExit = false;
350    mPaused = false;
351    mObjHead = NULL;
352    mError = RS_ERROR_NONE;
353    mTargetSdkVersion = 14;
354    mDPI = 96;
355    mIsContextLite = false;
356}
357
358Context * Context::createContext(Device *dev, const RsSurfaceConfig *sc) {
359    Context * rsc = new Context();
360
361    if (!rsc->initContext(dev, sc)) {
362        delete rsc;
363        return NULL;
364    }
365    return rsc;
366}
367
368Context * Context::createContextLite() {
369    Context * rsc = new Context();
370    rsc->mIsContextLite = true;
371    return rsc;
372}
373
374bool Context::initContext(Device *dev, const RsSurfaceConfig *sc) {
375    pthread_mutex_lock(&gInitMutex);
376
377    mIO.init();
378    mIO.setTimoutCallback(printWatchdogInfo, this, 2e9);
379
380    dev->addContext(this);
381    mDev = dev;
382    if (sc) {
383        mUserSurfaceConfig = *sc;
384    } else {
385        memset(&mUserSurfaceConfig, 0, sizeof(mUserSurfaceConfig));
386    }
387
388    mIsGraphicsContext = sc != NULL;
389
390    int status;
391    pthread_attr_t threadAttr;
392
393    pthread_mutex_unlock(&gInitMutex);
394
395    // Global init done at this point.
396
397    status = pthread_attr_init(&threadAttr);
398    if (status) {
399        LOGE("Failed to init thread attribute.");
400        return false;
401    }
402
403    mHasSurface = false;
404
405    timerInit();
406    timerSet(RS_TIMER_INTERNAL);
407
408    status = pthread_create(&mThreadId, &threadAttr, threadProc, this);
409    if (status) {
410        LOGE("Failed to start rs context thread.");
411        return false;
412    }
413    while (!mRunning && (mError == RS_ERROR_NONE)) {
414        usleep(100);
415    }
416
417    if (mError != RS_ERROR_NONE) {
418        LOGE("Errors during thread init");
419        return false;
420    }
421
422    pthread_attr_destroy(&threadAttr);
423    return true;
424}
425
426Context::~Context() {
427    LOGV("%p Context::~Context", this);
428
429    if (!mIsContextLite) {
430        mIO.coreFlush();
431        rsAssert(mExit);
432        mExit = true;
433        mPaused = false;
434        void *res;
435
436        mIO.shutdown();
437        int status = pthread_join(mThreadId, &res);
438
439        if (mHal.funcs.shutdownDriver) {
440            mHal.funcs.shutdownDriver(this);
441        }
442
443        // Global structure cleanup.
444        pthread_mutex_lock(&gInitMutex);
445        if (mDev) {
446            mDev->removeContext(this);
447            mDev = NULL;
448        }
449        pthread_mutex_unlock(&gInitMutex);
450    }
451    LOGV("%p Context::~Context done", this);
452}
453
454void Context::setSurface(uint32_t w, uint32_t h, RsNativeWindow sur) {
455    rsAssert(mIsGraphicsContext);
456    mHal.funcs.setSurface(this, w, h, sur);
457
458    mHasSurface = sur != NULL;
459    mWidth = w;
460    mHeight = h;
461
462    if (mWidth && mHeight) {
463        mStateVertex.updateSize(this);
464        mFBOCache.updateSize();
465    }
466}
467
468void Context::pause() {
469    rsAssert(mIsGraphicsContext);
470    mPaused = true;
471}
472
473void Context::resume() {
474    rsAssert(mIsGraphicsContext);
475    mPaused = false;
476}
477
478void Context::setRootScript(Script *s) {
479    rsAssert(mIsGraphicsContext);
480    mRootScript.set(s);
481}
482
483void Context::setProgramStore(ProgramStore *pfs) {
484    rsAssert(mIsGraphicsContext);
485    if (pfs == NULL) {
486        mFragmentStore.set(mStateFragmentStore.mDefault);
487    } else {
488        mFragmentStore.set(pfs);
489    }
490}
491
492void Context::setProgramFragment(ProgramFragment *pf) {
493    rsAssert(mIsGraphicsContext);
494    if (pf == NULL) {
495        mFragment.set(mStateFragment.mDefault);
496    } else {
497        mFragment.set(pf);
498    }
499}
500
501void Context::setProgramRaster(ProgramRaster *pr) {
502    rsAssert(mIsGraphicsContext);
503    if (pr == NULL) {
504        mRaster.set(mStateRaster.mDefault);
505    } else {
506        mRaster.set(pr);
507    }
508}
509
510void Context::setProgramVertex(ProgramVertex *pv) {
511    rsAssert(mIsGraphicsContext);
512    if (pv == NULL) {
513        mVertex.set(mStateVertex.mDefault);
514    } else {
515        mVertex.set(pv);
516    }
517}
518
519void Context::setFont(Font *f) {
520    rsAssert(mIsGraphicsContext);
521    if (f == NULL) {
522        mFont.set(mStateFont.mDefault);
523    } else {
524        mFont.set(f);
525    }
526}
527
528void Context::assignName(ObjectBase *obj, const char *name, uint32_t len) {
529    rsAssert(!obj->getName());
530    obj->setName(name, len);
531    mNames.add(obj);
532}
533
534void Context::removeName(ObjectBase *obj) {
535    for (size_t ct=0; ct < mNames.size(); ct++) {
536        if (obj == mNames[ct]) {
537            mNames.removeAt(ct);
538            return;
539        }
540    }
541}
542
543RsMessageToClientType Context::peekMessageToClient(size_t *receiveLen, uint32_t *subID) {
544    return (RsMessageToClientType)mIO.getClientHeader(receiveLen, subID);
545}
546
547RsMessageToClientType Context::getMessageToClient(void *data, size_t *receiveLen, uint32_t *subID, size_t bufferLen) {
548    return (RsMessageToClientType)mIO.getClientPayload(data, receiveLen, subID, bufferLen);
549}
550
551bool Context::sendMessageToClient(const void *data, RsMessageToClientType cmdID,
552                                  uint32_t subID, size_t len, bool waitForSpace) const {
553
554    return mIO.sendToClient(cmdID, subID, data, len, waitForSpace);
555}
556
557void Context::initToClient() {
558    while (!mRunning) {
559        usleep(100);
560    }
561}
562
563void Context::deinitToClient() {
564    mIO.clientShutdown();
565}
566
567void Context::setError(RsError e, const char *msg) const {
568    mError = e;
569    sendMessageToClient(msg, RS_MESSAGE_TO_CLIENT_ERROR, e, strlen(msg) + 1, true);
570}
571
572
573void Context::dumpDebug() const {
574    LOGE("RS Context debug %p", this);
575    LOGE("RS Context debug");
576
577    LOGE(" RS width %i, height %i", mWidth, mHeight);
578    LOGE(" RS running %i, exit %i, paused %i", mRunning, mExit, mPaused);
579    LOGE(" RS pThreadID %li, nativeThreadID %i", (long int)mThreadId, mNativeThreadId);
580}
581
582///////////////////////////////////////////////////////////////////////////////////////////
583//
584
585namespace android {
586namespace renderscript {
587
588void rsi_ContextFinish(Context *rsc) {
589}
590
591void rsi_ContextBindRootScript(Context *rsc, RsScript vs) {
592    Script *s = static_cast<Script *>(vs);
593    rsc->setRootScript(s);
594}
595
596void rsi_ContextBindSampler(Context *rsc, uint32_t slot, RsSampler vs) {
597    Sampler *s = static_cast<Sampler *>(vs);
598
599    if (slot > RS_MAX_SAMPLER_SLOT) {
600        LOGE("Invalid sampler slot");
601        return;
602    }
603
604    s->bindToContext(&rsc->mStateSampler, slot);
605}
606
607void rsi_ContextBindProgramStore(Context *rsc, RsProgramStore vpfs) {
608    ProgramStore *pfs = static_cast<ProgramStore *>(vpfs);
609    rsc->setProgramStore(pfs);
610}
611
612void rsi_ContextBindProgramFragment(Context *rsc, RsProgramFragment vpf) {
613    ProgramFragment *pf = static_cast<ProgramFragment *>(vpf);
614    rsc->setProgramFragment(pf);
615}
616
617void rsi_ContextBindProgramRaster(Context *rsc, RsProgramRaster vpr) {
618    ProgramRaster *pr = static_cast<ProgramRaster *>(vpr);
619    rsc->setProgramRaster(pr);
620}
621
622void rsi_ContextBindProgramVertex(Context *rsc, RsProgramVertex vpv) {
623    ProgramVertex *pv = static_cast<ProgramVertex *>(vpv);
624    rsc->setProgramVertex(pv);
625}
626
627void rsi_ContextBindFont(Context *rsc, RsFont vfont) {
628    Font *font = static_cast<Font *>(vfont);
629    rsc->setFont(font);
630}
631
632void rsi_AssignName(Context *rsc, RsObjectBase obj, const char *name, size_t name_length) {
633    ObjectBase *ob = static_cast<ObjectBase *>(obj);
634    rsc->assignName(ob, name, name_length);
635}
636
637void rsi_ObjDestroy(Context *rsc, void *optr) {
638    ObjectBase *ob = static_cast<ObjectBase *>(optr);
639    rsc->removeName(ob);
640    ob->decUserRef();
641}
642
643void rsi_ContextPause(Context *rsc) {
644    rsc->pause();
645}
646
647void rsi_ContextResume(Context *rsc) {
648    rsc->resume();
649}
650
651void rsi_ContextSetSurface(Context *rsc, uint32_t w, uint32_t h, RsNativeWindow sur) {
652    rsc->setSurface(w, h, sur);
653}
654
655void rsi_ContextSetPriority(Context *rsc, int32_t p) {
656    rsc->setPriority(p);
657}
658
659void rsi_ContextDump(Context *rsc, int32_t bits) {
660    ObjectBase::dumpAll(rsc);
661}
662
663void rsi_ContextDestroyWorker(Context *rsc) {
664    rsc->destroyWorkerThreadResources();
665}
666
667void rsi_ContextDestroy(Context *rsc) {
668    LOGV("%p rsContextDestroy", rsc);
669    rsContextDestroyWorker(rsc);
670    delete rsc;
671    LOGV("%p rsContextDestroy done", rsc);
672}
673
674
675RsMessageToClientType rsi_ContextPeekMessage(Context *rsc,
676                                           size_t * receiveLen, size_t receiveLen_length,
677                                           uint32_t * subID, size_t subID_length) {
678    return rsc->peekMessageToClient(receiveLen, subID);
679}
680
681RsMessageToClientType rsi_ContextGetMessage(Context *rsc, void * data, size_t data_length,
682                                          size_t * receiveLen, size_t receiveLen_length,
683                                          uint32_t * subID, size_t subID_length) {
684    rsAssert(subID_length == sizeof(uint32_t));
685    rsAssert(receiveLen_length == sizeof(size_t));
686    return rsc->getMessageToClient(data, receiveLen, subID, data_length);
687}
688
689void rsi_ContextInitToClient(Context *rsc) {
690    rsc->initToClient();
691}
692
693void rsi_ContextDeinitToClient(Context *rsc) {
694    rsc->deinitToClient();
695}
696
697}
698}
699
700RsContext rsContextCreate(RsDevice vdev, uint32_t version,
701                          uint32_t sdkVersion) {
702    LOGV("rsContextCreate dev=%p", vdev);
703    Device * dev = static_cast<Device *>(vdev);
704    Context *rsc = Context::createContext(dev, NULL);
705    if (rsc) {
706        rsc->setTargetSdkVersion(sdkVersion);
707    }
708    return rsc;
709}
710
711RsContext rsContextCreateGL(RsDevice vdev, uint32_t version,
712                            uint32_t sdkVersion, RsSurfaceConfig sc,
713                            uint32_t dpi) {
714    LOGV("rsContextCreateGL dev=%p", vdev);
715    Device * dev = static_cast<Device *>(vdev);
716    Context *rsc = Context::createContext(dev, &sc);
717    if (rsc) {
718        rsc->setTargetSdkVersion(sdkVersion);
719        rsc->setDPI(dpi);
720    }
721    LOGV("%p rsContextCreateGL ret", rsc);
722    return rsc;
723}
724
725// Only to be called at a3d load time, before object is visible to user
726// not thread safe
727void rsaGetName(RsContext con, void * obj, const char **name) {
728    ObjectBase *ob = static_cast<ObjectBase *>(obj);
729    (*name) = ob->getName();
730}
731