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 "rs.h"
18#include "rsDevice.h"
19#include "rsContext.h"
20#include "rsThreadIO.h"
21
22#include "rsgApiStructs.h"
23
24#ifndef RS_COMPATIBILITY_LIB
25#include "rsMesh.h"
26#include <gui/DisplayEventReceiver.h>
27#endif
28
29#include <sys/types.h>
30#include <sys/resource.h>
31#include <sched.h>
32
33#include <sys/syscall.h>
34#include <string.h>
35#include <dlfcn.h>
36#include <inttypes.h>
37#include <unistd.h>
38
39#if !defined(RS_SERVER) && !defined(RS_COMPATIBILITY_LIB) && \
40        defined(HAVE_ANDROID_OS)
41#include <cutils/properties.h>
42#endif
43
44#ifdef RS_COMPATIBILITY_LIB
45#include "rsCompatibilityLib.h"
46#endif
47
48int gDebuggerPresent = 0;
49
50#ifdef RS_SERVER
51// Android exposes gettid(), standard Linux does not
52static pid_t gettid() {
53    return syscall(SYS_gettid);
54}
55#endif
56
57using namespace android;
58using namespace android::renderscript;
59
60pthread_mutex_t Context::gInitMutex = PTHREAD_MUTEX_INITIALIZER;
61pthread_mutex_t Context::gMessageMutex = PTHREAD_MUTEX_INITIALIZER;
62pthread_mutex_t Context::gLibMutex = PTHREAD_MUTEX_INITIALIZER;
63
64bool Context::initGLThread() {
65    pthread_mutex_lock(&gInitMutex);
66
67    if (!mHal.funcs.initGraphics(this)) {
68        pthread_mutex_unlock(&gInitMutex);
69        ALOGE("%p initGraphics failed", this);
70        return false;
71    }
72
73    pthread_mutex_unlock(&gInitMutex);
74    return true;
75}
76
77void Context::deinitEGL() {
78#ifndef RS_COMPATIBILITY_LIB
79    mHal.funcs.shutdownGraphics(this);
80#endif
81}
82
83Context::PushState::PushState(Context *con) {
84    mRsc = con;
85#ifndef RS_COMPATIBILITY_LIB
86    if (con->mIsGraphicsContext) {
87        mFragment.set(con->getProgramFragment());
88        mVertex.set(con->getProgramVertex());
89        mStore.set(con->getProgramStore());
90        mRaster.set(con->getProgramRaster());
91        mFont.set(con->getFont());
92    }
93#endif
94}
95
96Context::PushState::~PushState() {
97#ifndef RS_COMPATIBILITY_LIB
98    if (mRsc->mIsGraphicsContext) {
99        mRsc->setProgramFragment(mFragment.get());
100        mRsc->setProgramVertex(mVertex.get());
101        mRsc->setProgramStore(mStore.get());
102        mRsc->setProgramRaster(mRaster.get());
103        mRsc->setFont(mFont.get());
104    }
105#endif
106}
107
108
109uint32_t Context::runScript(Script *s) {
110    PushState ps(this);
111
112    uint32_t ret = s->run(this);
113    return ret;
114}
115
116uint32_t Context::runRootScript() {
117    timerSet(RS_TIMER_SCRIPT);
118#ifndef RS_COMPATIBILITY_LIB
119    mStateFragmentStore.mLast.clear();
120#endif
121    watchdog.inRoot = true;
122    uint32_t ret = runScript(mRootScript.get());
123    watchdog.inRoot = false;
124
125    return ret;
126}
127
128uint64_t Context::getTime() const {
129#ifndef ANDROID_RS_SERIALIZE
130    struct timespec t;
131    clock_gettime(CLOCK_MONOTONIC, &t);
132    return t.tv_nsec + ((uint64_t)t.tv_sec * 1000 * 1000 * 1000);
133#else
134    return 0;
135#endif //ANDROID_RS_SERIALIZE
136}
137
138void Context::timerReset() {
139    for (int ct=0; ct < _RS_TIMER_TOTAL; ct++) {
140        mTimers[ct] = 0;
141    }
142}
143
144void Context::timerInit() {
145    mTimeLast = getTime();
146    mTimeFrame = mTimeLast;
147    mTimeLastFrame = mTimeLast;
148    mTimerActive = RS_TIMER_INTERNAL;
149    mAverageFPSFrameCount = 0;
150    mAverageFPSStartTime = mTimeLast;
151    mAverageFPS = 0;
152    timerReset();
153}
154
155void Context::timerFrame() {
156    mTimeLastFrame = mTimeFrame;
157    mTimeFrame = getTime();
158    // Update average fps
159    const uint64_t averageFramerateInterval = 1000 * 1000000;
160    mAverageFPSFrameCount ++;
161    uint64_t inverval = mTimeFrame - mAverageFPSStartTime;
162    if (inverval >= averageFramerateInterval) {
163        inverval = inverval / 1000000;
164        mAverageFPS = (mAverageFPSFrameCount * 1000) / inverval;
165        mAverageFPSFrameCount = 0;
166        mAverageFPSStartTime = mTimeFrame;
167    }
168}
169
170void Context::timerSet(Timers tm) {
171    uint64_t last = mTimeLast;
172    mTimeLast = getTime();
173    mTimers[mTimerActive] += mTimeLast - last;
174    mTimerActive = tm;
175}
176
177void Context::timerPrint() {
178    double total = 0;
179    for (int ct = 0; ct < _RS_TIMER_TOTAL; ct++) {
180        total += mTimers[ct];
181    }
182    uint64_t frame = mTimeFrame - mTimeLastFrame;
183    mTimeMSLastFrame = frame / 1000000;
184    mTimeMSLastScript = mTimers[RS_TIMER_SCRIPT] / 1000000;
185    mTimeMSLastSwap = mTimers[RS_TIMER_CLEAR_SWAP] / 1000000;
186
187
188    if (props.mLogTimes) {
189        ALOGV("RS: Frame (%i),   Script %2.1f%% (%i),  Swap %2.1f%% (%i),  Idle %2.1f%% (%" PRIi64 "),  "
190              "Internal %2.1f%% (%" PRIi64 "), Avg fps: %u",
191             mTimeMSLastFrame,
192             100.0 * mTimers[RS_TIMER_SCRIPT] / total, mTimeMSLastScript,
193             100.0 * mTimers[RS_TIMER_CLEAR_SWAP] / total, mTimeMSLastSwap,
194             100.0 * mTimers[RS_TIMER_IDLE] / total, mTimers[RS_TIMER_IDLE] / 1000000,
195             100.0 * mTimers[RS_TIMER_INTERNAL] / total, mTimers[RS_TIMER_INTERNAL] / 1000000,
196             mAverageFPS);
197    }
198}
199
200bool Context::setupCheck() {
201#ifndef RS_COMPATIBILITY_LIB
202    mFragmentStore->setup(this, &mStateFragmentStore);
203    mFragment->setup(this, &mStateFragment);
204    mRaster->setup(this, &mStateRaster);
205    mVertex->setup(this, &mStateVertex);
206    mFBOCache.setup(this);
207#endif
208    return true;
209}
210
211#ifndef RS_COMPATIBILITY_LIB
212void Context::setupProgramStore() {
213    mFragmentStore->setup(this, &mStateFragmentStore);
214}
215#endif
216
217static uint32_t getProp(const char *str) {
218#if !defined(RS_SERVER) && defined(HAVE_ANDROID_OS)
219    char buf[PROPERTY_VALUE_MAX];
220    property_get(str, buf, "0");
221    return atoi(buf);
222#else
223    return 0;
224#endif
225}
226
227void Context::displayDebugStats() {
228#ifndef RS_COMPATIBILITY_LIB
229    char buffer[128];
230    sprintf(buffer, "Avg fps %u, Frame %i ms, Script %i ms", mAverageFPS, mTimeMSLastFrame, mTimeMSLastScript);
231    float oldR, oldG, oldB, oldA;
232    mStateFont.getFontColor(&oldR, &oldG, &oldB, &oldA);
233    uint32_t bufferLen = strlen(buffer);
234
235    ObjectBaseRef<Font> lastFont(getFont());
236    setFont(nullptr);
237    float shadowCol = 0.1f;
238    mStateFont.setFontColor(shadowCol, shadowCol, shadowCol, 1.0f);
239    mStateFont.renderText(buffer, bufferLen, 5, getHeight() - 6);
240
241    mStateFont.setFontColor(1.0f, 0.7f, 0.0f, 1.0f);
242    mStateFont.renderText(buffer, bufferLen, 4, getHeight() - 7);
243
244    setFont(lastFont.get());
245    mStateFont.setFontColor(oldR, oldG, oldB, oldA);
246#endif
247}
248
249void * Context::threadProc(void *vrsc) {
250    Context *rsc = static_cast<Context *>(vrsc);
251
252#ifndef ANDROID_RS_SERIALIZE
253    rsc->mNativeThreadId = gettid();
254#endif //ANDROID_RS_SERIALIZE
255
256    rsc->props.mLogTimes = getProp("debug.rs.profile") != 0;
257    rsc->props.mLogScripts = getProp("debug.rs.script") != 0;
258    rsc->props.mLogShaders = getProp("debug.rs.shader") != 0;
259    rsc->props.mLogShadersAttr = getProp("debug.rs.shader.attributes") != 0;
260    rsc->props.mLogShadersUniforms = getProp("debug.rs.shader.uniforms") != 0;
261    rsc->props.mLogVisual = getProp("debug.rs.visual") != 0;
262    rsc->props.mDebugMaxThreads = getProp("debug.rs.max-threads");
263
264    if (getProp("debug.rs.debug") != 0) {
265        ALOGD("Forcing debug context due to debug.rs.debug.");
266        rsc->mContextType = RS_CONTEXT_TYPE_DEBUG;
267        rsc->mForceCpu = true;
268    }
269
270    bool forceCpu = getProp("debug.rs.default-CPU-driver") != 0;
271    if (forceCpu) {
272        ALOGD("Skipping hardware driver and loading default CPU driver");
273        rsc->mForceCpu = true;
274    }
275
276    rsc->mForceCpu |= rsc->mIsGraphicsContext;
277    rsc->loadDriver(rsc->mForceCpu);
278
279    if (!rsc->isSynchronous()) {
280        // Due to legacy we default to normal_graphics
281        // setPriority will make the adjustments as needed.
282        rsc->setPriority(RS_THREAD_PRIORITY_NORMAL_GRAPHICS);
283    }
284
285#ifndef RS_COMPATIBILITY_LIB
286    if (rsc->mIsGraphicsContext) {
287        if (!rsc->initGLThread()) {
288            rsc->setError(RS_ERROR_OUT_OF_MEMORY, "Failed initializing GL");
289            return nullptr;
290        }
291
292        rsc->mStateRaster.init(rsc);
293        rsc->setProgramRaster(nullptr);
294        rsc->mStateVertex.init(rsc);
295        rsc->setProgramVertex(nullptr);
296        rsc->mStateFragment.init(rsc);
297        rsc->setProgramFragment(nullptr);
298        rsc->mStateFragmentStore.init(rsc);
299        rsc->setProgramStore(nullptr);
300        rsc->mStateFont.init(rsc);
301        rsc->setFont(nullptr);
302        rsc->mStateSampler.init(rsc);
303        rsc->mFBOCache.init(rsc);
304    }
305#endif
306
307    rsc->mRunning = true;
308
309    if (rsc->isSynchronous()) {
310        return nullptr;
311    }
312
313    if (!rsc->mIsGraphicsContext) {
314        while (!rsc->mExit) {
315            rsc->mIO.playCoreCommands(rsc, -1);
316        }
317#ifndef RS_COMPATIBILITY_LIB
318    } else {
319#ifndef ANDROID_RS_SERIALIZE
320        DisplayEventReceiver displayEvent;
321        DisplayEventReceiver::Event eventBuffer[1];
322#endif
323        int vsyncRate = 0;
324        int targetRate = 0;
325
326        bool drawOnce = false;
327        while (!rsc->mExit) {
328            rsc->timerSet(RS_TIMER_IDLE);
329
330#ifndef ANDROID_RS_SERIALIZE
331            if (!rsc->mRootScript.get() || !rsc->mHasSurface || rsc->mPaused) {
332                targetRate = 0;
333            }
334
335            if (vsyncRate != targetRate) {
336                displayEvent.setVsyncRate(targetRate);
337                vsyncRate = targetRate;
338            }
339            if (targetRate) {
340                drawOnce |= rsc->mIO.playCoreCommands(rsc, displayEvent.getFd());
341                while (displayEvent.getEvents(eventBuffer, 1) != 0) {
342                    //ALOGE("vs2 time past %lld", (rsc->getTime() - eventBuffer[0].header.timestamp) / 1000000);
343                }
344            } else
345#endif
346            {
347                drawOnce |= rsc->mIO.playCoreCommands(rsc, -1);
348            }
349
350            if ((rsc->mRootScript.get() != nullptr) && rsc->mHasSurface &&
351                (targetRate || drawOnce) && !rsc->mPaused) {
352
353                drawOnce = false;
354                targetRate = ((rsc->runRootScript() + 15) / 16);
355
356                if (rsc->props.mLogVisual) {
357                    rsc->displayDebugStats();
358                }
359
360                rsc->timerSet(RS_TIMER_CLEAR_SWAP);
361                rsc->mHal.funcs.swap(rsc);
362                rsc->timerFrame();
363                rsc->timerSet(RS_TIMER_INTERNAL);
364                rsc->timerPrint();
365                rsc->timerReset();
366            }
367        }
368#endif
369    }
370
371    //ALOGV("%p RS Thread exiting", rsc);
372
373#ifndef RS_COMPATIBILITY_LIB
374    if (rsc->mIsGraphicsContext) {
375        pthread_mutex_lock(&gInitMutex);
376        rsc->deinitEGL();
377        pthread_mutex_unlock(&gInitMutex);
378    }
379#endif
380
381    //ALOGV("%p RS Thread exited", rsc);
382    return nullptr;
383}
384
385void Context::destroyWorkerThreadResources() {
386    //ALOGV("destroyWorkerThreadResources 1");
387    ObjectBase::zeroAllUserRef(this);
388#ifndef RS_COMPATIBILITY_LIB
389    if (mIsGraphicsContext) {
390         mRaster.clear();
391         mFragment.clear();
392         mVertex.clear();
393         mFragmentStore.clear();
394         mFont.clear();
395         mRootScript.clear();
396         mStateRaster.deinit(this);
397         mStateVertex.deinit(this);
398         mStateFragment.deinit(this);
399         mStateFragmentStore.deinit(this);
400         mStateFont.deinit(this);
401         mStateSampler.deinit(this);
402         mFBOCache.deinit(this);
403    }
404#endif
405    ObjectBase::freeAllChildren(this);
406    mExit = true;
407    //ALOGV("destroyWorkerThreadResources 2");
408}
409
410void Context::printWatchdogInfo(void *ctx) {
411    Context *rsc = (Context *)ctx;
412    if (rsc->watchdog.command && rsc->watchdog.file) {
413        ALOGE("RS watchdog timeout: %i  %s  line %i %s", rsc->watchdog.inRoot,
414             rsc->watchdog.command, rsc->watchdog.line, rsc->watchdog.file);
415    } else {
416        ALOGE("RS watchdog timeout: %i", rsc->watchdog.inRoot);
417    }
418}
419
420
421void Context::setPriority(int32_t p) {
422    switch (p) {
423    // The public API will always send NORMAL_GRAPHICS
424    // for normal, we adjust here
425    case RS_THREAD_PRIORITY_NORMAL_GRAPHICS:
426        if (mIsGraphicsContext) {
427            break;
428        } else {
429            if (mHal.flags & RS_CONTEXT_LOW_LATENCY) {
430                p = RS_THREAD_PRIORITY_LOW_LATENCY;
431            } else {
432                p = RS_THREAD_PRIORITY_NORMAL;
433            }
434        }
435    case RS_THREAD_PRIORITY_LOW:
436        break;
437    }
438
439    // Note: If we put this in the proper "background" policy
440    // the wallpapers can become completly unresponsive at times.
441    // This is probably not what we want for something the user is actively
442    // looking at.
443    mThreadPriority = p;
444    setpriority(PRIO_PROCESS, mNativeThreadId, p);
445    mHal.funcs.setPriority(this, mThreadPriority);
446}
447
448Context::Context() {
449    mDev = nullptr;
450    mRunning = false;
451    mExit = false;
452    mPaused = false;
453    mObjHead = nullptr;
454    mError = RS_ERROR_NONE;
455    mTargetSdkVersion = 14;
456    mDPI = 96;
457    mIsContextLite = false;
458    memset(&watchdog, 0, sizeof(watchdog));
459    memset(&mHal, 0, sizeof(mHal));
460    mForceCpu = false;
461    mContextType = RS_CONTEXT_TYPE_NORMAL;
462    mSynchronous = false;
463    mFatalErrorOccured = false;
464
465    memset(mCacheDir, 0, sizeof(mCacheDir));
466#ifdef RS_COMPATIBILITY_LIB
467    memset(nativeLibDir, 0, sizeof(nativeLibDir));
468#endif
469}
470
471void Context::setCacheDir(const char * cacheDir_arg, uint32_t length) {
472    if (!hasSetCacheDir) {
473        if (length <= PATH_MAX) {
474            memcpy(mCacheDir, cacheDir_arg, length);
475            mCacheDir[length] = 0;
476            hasSetCacheDir = true;
477        } else {
478            setError(RS_ERROR_BAD_VALUE, "Invalid path");
479        }
480    }
481}
482
483void Context::waitForDebugger() {
484    while (!gDebuggerPresent) {
485        sleep(0);
486    }
487}
488
489Context * Context::createContext(Device *dev, const RsSurfaceConfig *sc,
490                                 RsContextType ct, uint32_t flags) {
491    Context * rsc = new Context();
492
493    if (flags & RS_CONTEXT_LOW_LATENCY) {
494        rsc->mForceCpu = true;
495    }
496    if (flags & RS_CONTEXT_SYNCHRONOUS) {
497        rsc->mSynchronous = true;
498    }
499    rsc->mContextType = ct;
500    rsc->mHal.flags = flags;
501
502    if (!rsc->initContext(dev, sc)) {
503        delete rsc;
504        return nullptr;
505    }
506
507    if (flags & RS_CONTEXT_WAIT_FOR_ATTACH) {
508        rsc->waitForDebugger();
509    }
510
511    return rsc;
512}
513
514Context * Context::createContextLite() {
515    Context * rsc = new Context();
516    rsc->mIsContextLite = true;
517    return rsc;
518}
519
520bool Context::initContext(Device *dev, const RsSurfaceConfig *sc) {
521    pthread_mutex_lock(&gInitMutex);
522
523    mIO.init();
524    mIO.setTimeoutCallback(printWatchdogInfo, this, 2e9);
525
526    dev->addContext(this);
527    mDev = dev;
528    if (sc) {
529        mUserSurfaceConfig = *sc;
530    } else {
531        memset(&mUserSurfaceConfig, 0, sizeof(mUserSurfaceConfig));
532    }
533
534    mIsGraphicsContext = sc != nullptr;
535
536    int status;
537    pthread_attr_t threadAttr;
538
539    pthread_mutex_unlock(&gInitMutex);
540
541    // Global init done at this point.
542
543    status = pthread_attr_init(&threadAttr);
544    if (status) {
545        ALOGE("Failed to init thread attribute.");
546        return false;
547    }
548
549    mHasSurface = false;
550    mDriverName = NULL;
551
552    timerInit();
553    timerSet(RS_TIMER_INTERNAL);
554    if (mSynchronous) {
555        threadProc(this);
556
557        if (mError != RS_ERROR_NONE) {
558            ALOGE("Errors during thread init (sync mode)");
559            return false;
560        }
561    } else {
562        status = pthread_create(&mThreadId, &threadAttr, threadProc, this);
563        if (status) {
564            ALOGE("Failed to start rs context thread.");
565            return false;
566        }
567        while (!mRunning && (mError == RS_ERROR_NONE)) {
568            usleep(100);
569        }
570
571        if (mError != RS_ERROR_NONE) {
572            ALOGE("Errors during thread init");
573            return false;
574        }
575
576        pthread_attr_destroy(&threadAttr);
577    }
578    return true;
579}
580
581Context::~Context() {
582    //ALOGV("%p Context::~Context", this);
583
584    if (!mIsContextLite) {
585        mPaused = false;
586        void *res;
587
588        mIO.shutdown();
589        if (!mSynchronous) {
590            pthread_join(mThreadId, &res);
591        }
592        rsAssert(mExit);
593
594        if (mHal.funcs.shutdownDriver && mHal.drv) {
595            mHal.funcs.shutdownDriver(this);
596        }
597
598        // Global structure cleanup.
599        pthread_mutex_lock(&gInitMutex);
600        if (mDev) {
601            mDev->removeContext(this);
602            mDev = nullptr;
603        }
604        pthread_mutex_unlock(&gInitMutex);
605    }
606    //ALOGV("%p Context::~Context done", this);
607}
608
609#ifndef RS_COMPATIBILITY_LIB
610void Context::setSurface(uint32_t w, uint32_t h, RsNativeWindow sur) {
611    rsAssert(mIsGraphicsContext);
612    mHal.funcs.setSurface(this, w, h, sur);
613
614    mHasSurface = sur != nullptr;
615    mWidth = w;
616    mHeight = h;
617
618    if (mWidth && mHeight) {
619        mStateVertex.updateSize(this);
620        mFBOCache.updateSize();
621    }
622}
623
624uint32_t Context::getCurrentSurfaceWidth() const {
625    for (uint32_t i = 0; i < mFBOCache.mHal.state.colorTargetsCount; i ++) {
626        if (mFBOCache.mHal.state.colorTargets[i] != nullptr) {
627            return mFBOCache.mHal.state.colorTargets[i]->getType()->getDimX();
628        }
629    }
630    if (mFBOCache.mHal.state.depthTarget != nullptr) {
631        return mFBOCache.mHal.state.depthTarget->getType()->getDimX();
632    }
633    return mWidth;
634}
635
636uint32_t Context::getCurrentSurfaceHeight() const {
637    for (uint32_t i = 0; i < mFBOCache.mHal.state.colorTargetsCount; i ++) {
638        if (mFBOCache.mHal.state.colorTargets[i] != nullptr) {
639            return mFBOCache.mHal.state.colorTargets[i]->getType()->getDimY();
640        }
641    }
642    if (mFBOCache.mHal.state.depthTarget != nullptr) {
643        return mFBOCache.mHal.state.depthTarget->getType()->getDimY();
644    }
645    return mHeight;
646}
647
648void Context::pause() {
649    rsAssert(mIsGraphicsContext);
650    mPaused = true;
651}
652
653void Context::resume() {
654    rsAssert(mIsGraphicsContext);
655    mPaused = false;
656}
657
658void Context::setRootScript(Script *s) {
659    rsAssert(mIsGraphicsContext);
660    mRootScript.set(s);
661}
662
663void Context::setProgramStore(ProgramStore *pfs) {
664    rsAssert(mIsGraphicsContext);
665    if (pfs == nullptr) {
666        mFragmentStore.set(mStateFragmentStore.mDefault);
667    } else {
668        mFragmentStore.set(pfs);
669    }
670}
671
672void Context::setProgramFragment(ProgramFragment *pf) {
673    rsAssert(mIsGraphicsContext);
674    if (pf == nullptr) {
675        mFragment.set(mStateFragment.mDefault);
676    } else {
677        mFragment.set(pf);
678    }
679}
680
681void Context::setProgramRaster(ProgramRaster *pr) {
682    rsAssert(mIsGraphicsContext);
683    if (pr == nullptr) {
684        mRaster.set(mStateRaster.mDefault);
685    } else {
686        mRaster.set(pr);
687    }
688}
689
690void Context::setProgramVertex(ProgramVertex *pv) {
691    rsAssert(mIsGraphicsContext);
692    if (pv == nullptr) {
693        mVertex.set(mStateVertex.mDefault);
694    } else {
695        mVertex.set(pv);
696    }
697}
698
699void Context::setFont(Font *f) {
700    rsAssert(mIsGraphicsContext);
701    if (f == nullptr) {
702        mFont.set(mStateFont.mDefault);
703    } else {
704        mFont.set(f);
705    }
706}
707#endif
708
709void Context::finish() {
710    if (mHal.funcs.finish) {
711        mHal.funcs.finish(this);
712    }
713}
714
715void Context::assignName(ObjectBase *obj, const char *name, uint32_t len) {
716    rsAssert(!obj->getName());
717    obj->setName(name, len);
718    mNames.add(obj);
719}
720
721void Context::removeName(ObjectBase *obj) {
722    for (size_t ct=0; ct < mNames.size(); ct++) {
723        if (obj == mNames[ct]) {
724            mNames.removeAt(ct);
725            return;
726        }
727    }
728}
729
730RsMessageToClientType Context::peekMessageToClient(size_t *receiveLen, uint32_t *subID) {
731    return (RsMessageToClientType)mIO.getClientHeader(receiveLen, subID);
732}
733
734RsMessageToClientType Context::getMessageToClient(void *data, size_t *receiveLen, uint32_t *subID, size_t bufferLen) {
735    return (RsMessageToClientType)mIO.getClientPayload(data, receiveLen, subID, bufferLen);
736}
737
738bool Context::sendMessageToClient(const void *data, RsMessageToClientType cmdID,
739                                  uint32_t subID, size_t len, bool waitForSpace) const {
740
741    pthread_mutex_lock(&gMessageMutex);
742    bool ret = mIO.sendToClient(cmdID, subID, data, len, waitForSpace);
743    pthread_mutex_unlock(&gMessageMutex);
744    return ret;
745}
746
747void Context::initToClient() {
748    while (!mRunning) {
749        usleep(100);
750    }
751}
752
753void Context::deinitToClient() {
754    mIO.clientShutdown();
755}
756
757void Context::setError(RsError e, const char *msg) const {
758    mError = e;
759
760    if (mError >= RS_ERROR_FATAL_DEBUG) {
761        // If a FATAL error occurred, set the flag to indicate the process
762        // will be goign down
763        mFatalErrorOccured = true;
764    }
765
766    sendMessageToClient(msg, RS_MESSAGE_TO_CLIENT_ERROR, e, strlen(msg) + 1, true);
767}
768
769
770void Context::dumpDebug() const {
771    ALOGE("RS Context debug %p", this);
772    ALOGE("RS Context debug");
773
774    ALOGE(" RS width %i, height %i", mWidth, mHeight);
775    ALOGE(" RS running %i, exit %i, paused %i", mRunning, mExit, mPaused);
776    ALOGE(" RS pThreadID %li, nativeThreadID %i", (long int)mThreadId, mNativeThreadId);
777}
778
779///////////////////////////////////////////////////////////////////////////////////////////
780//
781
782namespace android {
783namespace renderscript {
784
785void rsi_ContextFinish(Context *rsc) {
786    rsc->finish();
787}
788
789void rsi_ContextBindRootScript(Context *rsc, RsScript vs) {
790#ifndef RS_COMPATIBILITY_LIB
791    Script *s = static_cast<Script *>(vs);
792    rsc->setRootScript(s);
793#endif
794}
795
796void rsi_ContextSetCacheDir(Context *rsc, const char *cacheDir, size_t cacheDir_length) {
797    rsc->setCacheDir(cacheDir, cacheDir_length);
798}
799
800void rsi_ContextBindSampler(Context *rsc, uint32_t slot, RsSampler vs) {
801    Sampler *s = static_cast<Sampler *>(vs);
802
803    if (slot > RS_MAX_SAMPLER_SLOT) {
804        ALOGE("Invalid sampler slot");
805        return;
806    }
807
808    s->bindToContext(&rsc->mStateSampler, slot);
809}
810
811#ifndef RS_COMPATIBILITY_LIB
812void rsi_ContextBindProgramStore(Context *rsc, RsProgramStore vpfs) {
813    ProgramStore *pfs = static_cast<ProgramStore *>(vpfs);
814    rsc->setProgramStore(pfs);
815}
816
817void rsi_ContextBindProgramFragment(Context *rsc, RsProgramFragment vpf) {
818    ProgramFragment *pf = static_cast<ProgramFragment *>(vpf);
819    rsc->setProgramFragment(pf);
820}
821
822void rsi_ContextBindProgramRaster(Context *rsc, RsProgramRaster vpr) {
823    ProgramRaster *pr = static_cast<ProgramRaster *>(vpr);
824    rsc->setProgramRaster(pr);
825}
826
827void rsi_ContextBindProgramVertex(Context *rsc, RsProgramVertex vpv) {
828    ProgramVertex *pv = static_cast<ProgramVertex *>(vpv);
829    rsc->setProgramVertex(pv);
830}
831
832void rsi_ContextBindFont(Context *rsc, RsFont vfont) {
833    Font *font = static_cast<Font *>(vfont);
834    rsc->setFont(font);
835}
836#endif
837
838void rsi_AssignName(Context *rsc, RsObjectBase obj, const char *name, size_t name_length) {
839    ObjectBase *ob = static_cast<ObjectBase *>(obj);
840    rsc->assignName(ob, name, name_length);
841}
842
843void rsi_ObjDestroy(Context *rsc, void *optr) {
844    ObjectBase *ob = static_cast<ObjectBase *>(optr);
845    rsc->removeName(ob);
846    ob->decUserRef();
847}
848
849#ifndef RS_COMPATIBILITY_LIB
850void rsi_ContextPause(Context *rsc) {
851    rsc->pause();
852}
853
854void rsi_ContextResume(Context *rsc) {
855    rsc->resume();
856}
857
858void rsi_ContextSetSurface(Context *rsc, uint32_t w, uint32_t h, RsNativeWindow sur) {
859    rsc->setSurface(w, h, sur);
860}
861#endif
862
863void rsi_ContextSetPriority(Context *rsc, int32_t p) {
864    rsc->setPriority(p);
865}
866
867void rsi_ContextDump(Context *rsc, int32_t bits) {
868    ObjectBase::dumpAll(rsc);
869}
870
871void rsi_ContextDestroyWorker(Context *rsc) {
872    rsc->destroyWorkerThreadResources();
873}
874
875void rsi_ContextDestroy(Context *rsc) {
876    //ALOGE("%p rsContextDestroy", rsc);
877    rsContextDestroyWorker(rsc);
878    delete rsc;
879    //ALOGV("%p rsContextDestroy done", rsc);
880}
881
882RsMessageToClientType rsi_ContextPeekMessage(Context *rsc,
883                                           size_t * receiveLen, size_t receiveLen_length,
884                                           uint32_t * subID, size_t subID_length) {
885    return rsc->peekMessageToClient(receiveLen, subID);
886}
887
888RsMessageToClientType rsi_ContextGetMessage(Context *rsc, void * data, size_t data_length,
889                                          size_t * receiveLen, size_t receiveLen_length,
890                                          uint32_t * subID, size_t subID_length) {
891    rsAssert(subID_length == sizeof(uint32_t));
892    rsAssert(receiveLen_length == sizeof(size_t));
893    return rsc->getMessageToClient(data, receiveLen, subID, data_length);
894}
895
896void rsi_ContextInitToClient(Context *rsc) {
897    rsc->initToClient();
898}
899
900void rsi_ContextDeinitToClient(Context *rsc) {
901    rsc->deinitToClient();
902}
903
904void rsi_ContextSendMessage(Context *rsc, uint32_t id, const uint8_t *data, size_t len) {
905    rsc->sendMessageToClient(data, RS_MESSAGE_TO_CLIENT_USER, id, len, true);
906}
907
908// implementation of handcode LF_ObjDestroy
909// required so nObjDestroy can be run from finalizer without blocking
910void LF_ObjDestroy_handcode(const Context *rsc, RsAsyncVoidPtr objPtr) {
911    if (((Context *)rsc)->isSynchronous()) {
912        rsi_ObjDestroy((Context *)rsc, objPtr);
913        return;
914    }
915
916    // struct has two parts:
917    // RsPlaybackRemoteHeader (cmdID and bytes)
918    // RS_CMD_ObjDestroy (ptr)
919    struct destroyCmd {
920        uint32_t cmdID;
921        uint32_t bytes;
922        RsAsyncVoidPtr ptr;
923     };
924
925    destroyCmd cmd;
926    cmd.cmdID = RS_CMD_ID_ObjDestroy;
927    cmd.bytes = sizeof(RsAsyncVoidPtr);
928    cmd.ptr = objPtr;
929    ThreadIO *io = &((Context *)rsc)->mIO;
930    io->coreWrite((void*)&cmd, sizeof(destroyCmd));
931
932}
933
934}
935}
936
937extern "C" RsContext rsContextCreate(RsDevice vdev, uint32_t version, uint32_t sdkVersion,
938                                     RsContextType ct, uint32_t flags) {
939    //ALOGV("rsContextCreate dev=%p", vdev);
940    Device * dev = static_cast<Device *>(vdev);
941    Context *rsc = Context::createContext(dev, nullptr, ct, flags);
942    if (rsc) {
943        rsc->setTargetSdkVersion(sdkVersion);
944    }
945    return rsc;
946}
947
948extern "C" void rsaContextSetNativeLibDir(RsContext con, char *libDir, size_t length) {
949#ifdef RS_COMPATIBILITY_LIB
950    Context *rsc = static_cast<Context *>(con);
951    rsc->setNativeLibDir(libDir, length);
952#endif
953}
954
955#ifndef RS_COMPATIBILITY_LIB
956RsContext rsContextCreateGL(RsDevice vdev, uint32_t version,
957                            uint32_t sdkVersion, RsSurfaceConfig sc,
958                            uint32_t dpi) {
959    //ALOGV("rsContextCreateGL dev=%p", vdev);
960    Device * dev = static_cast<Device *>(vdev);
961    Context *rsc = Context::createContext(dev, &sc);
962    if (rsc) {
963        rsc->setTargetSdkVersion(sdkVersion);
964        rsc->setDPI(dpi);
965    }
966    //ALOGV("%p rsContextCreateGL ret", rsc);
967    return rsc;
968}
969#endif
970
971// Only to be called at a3d load time, before object is visible to user
972// not thread safe
973void rsaGetName(RsContext con, void * obj, const char **name) {
974    ObjectBase *ob = static_cast<ObjectBase *>(obj);
975    (*name) = ob->getName();
976}
977