rsContext.cpp revision 036b3f7c04e196a4d33b3bd0fc4b9a4a27687be6 
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        ALOGV("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    ALOGV("%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    ALOGV("%p RS Thread exited", rsc);
296    return NULL;
297}
298
299void Context::destroyWorkerThreadResources() {
300    //ALOGV("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    //ALOGV("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}
363
364Context * Context::createContext(Device *dev, const RsSurfaceConfig *sc) {
365    Context * rsc = new Context();
366
367    if (!rsc->initContext(dev, sc)) {
368        delete rsc;
369        return NULL;
370    }
371    return rsc;
372}
373
374Context * Context::createContextLite() {
375    Context * rsc = new Context();
376    rsc->mIsContextLite = true;
377    return rsc;
378}
379
380bool Context::initContext(Device *dev, const RsSurfaceConfig *sc) {
381    pthread_mutex_lock(&gInitMutex);
382
383    mIO.init();
384    mIO.setTimoutCallback(printWatchdogInfo, this, 2e9);
385
386    dev->addContext(this);
387    mDev = dev;
388    if (sc) {
389        mUserSurfaceConfig = *sc;
390    } else {
391        memset(&mUserSurfaceConfig, 0, sizeof(mUserSurfaceConfig));
392    }
393
394    mIsGraphicsContext = sc != NULL;
395
396    int status;
397    pthread_attr_t threadAttr;
398
399    pthread_mutex_unlock(&gInitMutex);
400
401    // Global init done at this point.
402
403    status = pthread_attr_init(&threadAttr);
404    if (status) {
405        LOGE("Failed to init thread attribute.");
406        return false;
407    }
408
409    mHasSurface = false;
410
411    timerInit();
412    timerSet(RS_TIMER_INTERNAL);
413
414    status = pthread_create(&mThreadId, &threadAttr, threadProc, this);
415    if (status) {
416        LOGE("Failed to start rs context thread.");
417        return false;
418    }
419    while (!mRunning && (mError == RS_ERROR_NONE)) {
420        usleep(100);
421    }
422
423    if (mError != RS_ERROR_NONE) {
424        LOGE("Errors during thread init");
425        return false;
426    }
427
428    pthread_attr_destroy(&threadAttr);
429    return true;
430}
431
432Context::~Context() {
433    ALOGV("%p Context::~Context", this);
434
435    if (!mIsContextLite) {
436        mIO.coreFlush();
437        rsAssert(mExit);
438        mExit = true;
439        mPaused = false;
440        void *res;
441
442        mIO.shutdown();
443        int status = pthread_join(mThreadId, &res);
444
445        if (mHal.funcs.shutdownDriver) {
446            mHal.funcs.shutdownDriver(this);
447        }
448
449        // Global structure cleanup.
450        pthread_mutex_lock(&gInitMutex);
451        if (mDev) {
452            mDev->removeContext(this);
453            mDev = NULL;
454        }
455        pthread_mutex_unlock(&gInitMutex);
456    }
457    ALOGV("%p Context::~Context done", this);
458}
459
460void Context::setSurface(uint32_t w, uint32_t h, RsNativeWindow sur) {
461    rsAssert(mIsGraphicsContext);
462    mHal.funcs.setSurface(this, w, h, sur);
463
464    mHasSurface = sur != NULL;
465    mWidth = w;
466    mHeight = h;
467
468    if (mWidth && mHeight) {
469        mStateVertex.updateSize(this);
470        mFBOCache.updateSize();
471    }
472}
473
474void Context::pause() {
475    rsAssert(mIsGraphicsContext);
476    mPaused = true;
477}
478
479void Context::resume() {
480    rsAssert(mIsGraphicsContext);
481    mPaused = false;
482}
483
484void Context::setRootScript(Script *s) {
485    rsAssert(mIsGraphicsContext);
486    mRootScript.set(s);
487}
488
489void Context::setProgramStore(ProgramStore *pfs) {
490    rsAssert(mIsGraphicsContext);
491    if (pfs == NULL) {
492        mFragmentStore.set(mStateFragmentStore.mDefault);
493    } else {
494        mFragmentStore.set(pfs);
495    }
496}
497
498void Context::setProgramFragment(ProgramFragment *pf) {
499    rsAssert(mIsGraphicsContext);
500    if (pf == NULL) {
501        mFragment.set(mStateFragment.mDefault);
502    } else {
503        mFragment.set(pf);
504    }
505}
506
507void Context::setProgramRaster(ProgramRaster *pr) {
508    rsAssert(mIsGraphicsContext);
509    if (pr == NULL) {
510        mRaster.set(mStateRaster.mDefault);
511    } else {
512        mRaster.set(pr);
513    }
514}
515
516void Context::setProgramVertex(ProgramVertex *pv) {
517    rsAssert(mIsGraphicsContext);
518    if (pv == NULL) {
519        mVertex.set(mStateVertex.mDefault);
520    } else {
521        mVertex.set(pv);
522    }
523}
524
525void Context::setFont(Font *f) {
526    rsAssert(mIsGraphicsContext);
527    if (f == NULL) {
528        mFont.set(mStateFont.mDefault);
529    } else {
530        mFont.set(f);
531    }
532}
533
534void Context::assignName(ObjectBase *obj, const char *name, uint32_t len) {
535    rsAssert(!obj->getName());
536    obj->setName(name, len);
537    mNames.add(obj);
538}
539
540void Context::removeName(ObjectBase *obj) {
541    for (size_t ct=0; ct < mNames.size(); ct++) {
542        if (obj == mNames[ct]) {
543            mNames.removeAt(ct);
544            return;
545        }
546    }
547}
548
549RsMessageToClientType Context::peekMessageToClient(size_t *receiveLen, uint32_t *subID) {
550    return (RsMessageToClientType)mIO.getClientHeader(receiveLen, subID);
551}
552
553RsMessageToClientType Context::getMessageToClient(void *data, size_t *receiveLen, uint32_t *subID, size_t bufferLen) {
554    return (RsMessageToClientType)mIO.getClientPayload(data, receiveLen, subID, bufferLen);
555}
556
557bool Context::sendMessageToClient(const void *data, RsMessageToClientType cmdID,
558                                  uint32_t subID, size_t len, bool waitForSpace) const {
559
560    return mIO.sendToClient(cmdID, subID, data, len, waitForSpace);
561}
562
563void Context::initToClient() {
564    while (!mRunning) {
565        usleep(100);
566    }
567}
568
569void Context::deinitToClient() {
570    mIO.clientShutdown();
571}
572
573void Context::setError(RsError e, const char *msg) const {
574    mError = e;
575    sendMessageToClient(msg, RS_MESSAGE_TO_CLIENT_ERROR, e, strlen(msg) + 1, true);
576}
577
578
579void Context::dumpDebug() const {
580    LOGE("RS Context debug %p", this);
581    LOGE("RS Context debug");
582
583    LOGE(" RS width %i, height %i", mWidth, mHeight);
584    LOGE(" RS running %i, exit %i, paused %i", mRunning, mExit, mPaused);
585    LOGE(" RS pThreadID %li, nativeThreadID %i", (long int)mThreadId, mNativeThreadId);
586}
587
588///////////////////////////////////////////////////////////////////////////////////////////
589//
590
591namespace android {
592namespace renderscript {
593
594void rsi_ContextFinish(Context *rsc) {
595}
596
597void rsi_ContextBindRootScript(Context *rsc, RsScript vs) {
598    Script *s = static_cast<Script *>(vs);
599    rsc->setRootScript(s);
600}
601
602void rsi_ContextBindSampler(Context *rsc, uint32_t slot, RsSampler vs) {
603    Sampler *s = static_cast<Sampler *>(vs);
604
605    if (slot > RS_MAX_SAMPLER_SLOT) {
606        LOGE("Invalid sampler slot");
607        return;
608    }
609
610    s->bindToContext(&rsc->mStateSampler, slot);
611}
612
613void rsi_ContextBindProgramStore(Context *rsc, RsProgramStore vpfs) {
614    ProgramStore *pfs = static_cast<ProgramStore *>(vpfs);
615    rsc->setProgramStore(pfs);
616}
617
618void rsi_ContextBindProgramFragment(Context *rsc, RsProgramFragment vpf) {
619    ProgramFragment *pf = static_cast<ProgramFragment *>(vpf);
620    rsc->setProgramFragment(pf);
621}
622
623void rsi_ContextBindProgramRaster(Context *rsc, RsProgramRaster vpr) {
624    ProgramRaster *pr = static_cast<ProgramRaster *>(vpr);
625    rsc->setProgramRaster(pr);
626}
627
628void rsi_ContextBindProgramVertex(Context *rsc, RsProgramVertex vpv) {
629    ProgramVertex *pv = static_cast<ProgramVertex *>(vpv);
630    rsc->setProgramVertex(pv);
631}
632
633void rsi_ContextBindFont(Context *rsc, RsFont vfont) {
634    Font *font = static_cast<Font *>(vfont);
635    rsc->setFont(font);
636}
637
638void rsi_AssignName(Context *rsc, RsObjectBase obj, const char *name, size_t name_length) {
639    ObjectBase *ob = static_cast<ObjectBase *>(obj);
640    rsc->assignName(ob, name, name_length);
641}
642
643void rsi_ObjDestroy(Context *rsc, void *optr) {
644    ObjectBase *ob = static_cast<ObjectBase *>(optr);
645    rsc->removeName(ob);
646    ob->decUserRef();
647}
648
649void rsi_ContextPause(Context *rsc) {
650    rsc->pause();
651}
652
653void rsi_ContextResume(Context *rsc) {
654    rsc->resume();
655}
656
657void rsi_ContextSetSurface(Context *rsc, uint32_t w, uint32_t h, RsNativeWindow sur) {
658    rsc->setSurface(w, h, sur);
659}
660
661void rsi_ContextSetPriority(Context *rsc, int32_t p) {
662    rsc->setPriority(p);
663}
664
665void rsi_ContextDump(Context *rsc, int32_t bits) {
666    ObjectBase::dumpAll(rsc);
667}
668
669void rsi_ContextDestroyWorker(Context *rsc) {
670    rsc->destroyWorkerThreadResources();
671}
672
673void rsi_ContextDestroy(Context *rsc) {
674    ALOGV("%p rsContextDestroy", rsc);
675    rsContextDestroyWorker(rsc);
676    delete rsc;
677    ALOGV("%p rsContextDestroy done", rsc);
678}
679
680
681RsMessageToClientType rsi_ContextPeekMessage(Context *rsc,
682                                           size_t * receiveLen, size_t receiveLen_length,
683                                           uint32_t * subID, size_t subID_length) {
684    return rsc->peekMessageToClient(receiveLen, subID);
685}
686
687RsMessageToClientType rsi_ContextGetMessage(Context *rsc, void * data, size_t data_length,
688                                          size_t * receiveLen, size_t receiveLen_length,
689                                          uint32_t * subID, size_t subID_length) {
690    rsAssert(subID_length == sizeof(uint32_t));
691    rsAssert(receiveLen_length == sizeof(size_t));
692    return rsc->getMessageToClient(data, receiveLen, subID, data_length);
693}
694
695void rsi_ContextInitToClient(Context *rsc) {
696    rsc->initToClient();
697}
698
699void rsi_ContextDeinitToClient(Context *rsc) {
700    rsc->deinitToClient();
701}
702
703}
704}
705
706RsContext rsContextCreate(RsDevice vdev, uint32_t version,
707                          uint32_t sdkVersion) {
708    ALOGV("rsContextCreate dev=%p", vdev);
709    Device * dev = static_cast<Device *>(vdev);
710    Context *rsc = Context::createContext(dev, NULL);
711    if (rsc) {
712        rsc->setTargetSdkVersion(sdkVersion);
713    }
714    return rsc;
715}
716
717RsContext rsContextCreateGL(RsDevice vdev, uint32_t version,
718                            uint32_t sdkVersion, RsSurfaceConfig sc,
719                            uint32_t dpi) {
720    ALOGV("rsContextCreateGL dev=%p", vdev);
721    Device * dev = static_cast<Device *>(vdev);
722    Context *rsc = Context::createContext(dev, &sc);
723    if (rsc) {
724        rsc->setTargetSdkVersion(sdkVersion);
725        rsc->setDPI(dpi);
726    }
727    ALOGV("%p rsContextCreateGL ret", rsc);
728    return rsc;
729}
730
731// Only to be called at a3d load time, before object is visible to user
732// not thread safe
733void rsaGetName(RsContext con, void * obj, const char **name) {
734    ObjectBase *ob = static_cast<ObjectBase *>(obj);
735    (*name) = ob->getName();
736}
737