rsContext.cpp revision 82e135c4bbe18855d8ed02632bb074f8da0b96e0 
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#ifdef RS_COMPATIBILITY_LIB
40#include "rsCompatibilityLib.h"
41#endif
42
43namespace android {
44namespace renderscript {
45
46pthread_mutex_t Context::gInitMutex = PTHREAD_MUTEX_INITIALIZER;
47pthread_mutex_t Context::gMessageMutex = PTHREAD_MUTEX_INITIALIZER;
48pthread_mutex_t Context::gLibMutex = PTHREAD_MUTEX_INITIALIZER;
49
50bool Context::initGLThread() {
51    pthread_mutex_lock(&gInitMutex);
52
53    if (!mHal.funcs.initGraphics(this)) {
54        pthread_mutex_unlock(&gInitMutex);
55        ALOGE("%p initGraphics failed", this);
56        return false;
57    }
58
59    pthread_mutex_unlock(&gInitMutex);
60    return true;
61}
62
63void Context::deinitEGL() {
64#ifndef RS_COMPATIBILITY_LIB
65    mHal.funcs.shutdownGraphics(this);
66#endif
67}
68
69Context::PushState::PushState(Context *con) {
70    mRsc = con;
71#ifndef RS_COMPATIBILITY_LIB
72    if (con->mIsGraphicsContext) {
73        mFragment.set(con->getProgramFragment());
74        mVertex.set(con->getProgramVertex());
75        mStore.set(con->getProgramStore());
76        mRaster.set(con->getProgramRaster());
77        mFont.set(con->getFont());
78    }
79#endif
80}
81
82Context::PushState::~PushState() {
83#ifndef RS_COMPATIBILITY_LIB
84    if (mRsc->mIsGraphicsContext) {
85        mRsc->setProgramFragment(mFragment.get());
86        mRsc->setProgramVertex(mVertex.get());
87        mRsc->setProgramStore(mStore.get());
88        mRsc->setProgramRaster(mRaster.get());
89        mRsc->setFont(mFont.get());
90    }
91#endif
92}
93
94
95uint32_t Context::runScript(Script *s) {
96    PushState ps(this);
97
98    uint32_t ret = s->run(this);
99    return ret;
100}
101
102uint32_t Context::runRootScript() {
103    timerSet(RS_TIMER_SCRIPT);
104#ifndef RS_COMPATIBILITY_LIB
105    mStateFragmentStore.mLast.clear();
106#endif
107    watchdog.inRoot = true;
108    uint32_t ret = runScript(mRootScript.get());
109    watchdog.inRoot = false;
110
111    return ret;
112}
113
114uint64_t Context::getTime() const {
115#ifndef ANDROID_RS_SERIALIZE
116    struct timespec t;
117    clock_gettime(CLOCK_MONOTONIC, &t);
118    return t.tv_nsec + ((uint64_t)t.tv_sec * 1000 * 1000 * 1000);
119#else
120    return 0;
121#endif //ANDROID_RS_SERIALIZE
122}
123
124void Context::timerReset() {
125    for (int ct=0; ct < _RS_TIMER_TOTAL; ct++) {
126        mTimers[ct] = 0;
127    }
128}
129
130void Context::timerInit() {
131    mTimeLast = getTime();
132    mTimeFrame = mTimeLast;
133    mTimeLastFrame = mTimeLast;
134    mTimerActive = RS_TIMER_INTERNAL;
135    mAverageFPSFrameCount = 0;
136    mAverageFPSStartTime = mTimeLast;
137    mAverageFPS = 0;
138    timerReset();
139}
140
141void Context::timerFrame() {
142    mTimeLastFrame = mTimeFrame;
143    mTimeFrame = getTime();
144    // Update average fps
145    const uint64_t averageFramerateInterval = 1000 * 1000000;
146    mAverageFPSFrameCount ++;
147    uint64_t inverval = mTimeFrame - mAverageFPSStartTime;
148    if (inverval >= averageFramerateInterval) {
149        inverval = inverval / 1000000;
150        mAverageFPS = (mAverageFPSFrameCount * 1000) / inverval;
151        mAverageFPSFrameCount = 0;
152        mAverageFPSStartTime = mTimeFrame;
153    }
154}
155
156void Context::timerSet(Timers tm) {
157    uint64_t last = mTimeLast;
158    mTimeLast = getTime();
159    mTimers[mTimerActive] += mTimeLast - last;
160    mTimerActive = tm;
161}
162
163void Context::timerPrint() {
164    double total = 0;
165    for (int ct = 0; ct < _RS_TIMER_TOTAL; ct++) {
166        total += mTimers[ct];
167    }
168    uint64_t frame = mTimeFrame - mTimeLastFrame;
169    mTimeMSLastFrame = frame / 1000000;
170    mTimeMSLastScript = mTimers[RS_TIMER_SCRIPT] / 1000000;
171    mTimeMSLastSwap = mTimers[RS_TIMER_CLEAR_SWAP] / 1000000;
172
173
174    if (props.mLogTimes) {
175        ALOGV("RS: Frame (%i),   Script %2.1f%% (%i),  Swap %2.1f%% (%i),  Idle %2.1f%% (%" PRIi64 "),  "
176              "Internal %2.1f%% (%" PRIi64 "), Avg fps: %u",
177             mTimeMSLastFrame,
178             100.0 * mTimers[RS_TIMER_SCRIPT] / total, mTimeMSLastScript,
179             100.0 * mTimers[RS_TIMER_CLEAR_SWAP] / total, mTimeMSLastSwap,
180             100.0 * mTimers[RS_TIMER_IDLE] / total, mTimers[RS_TIMER_IDLE] / 1000000,
181             100.0 * mTimers[RS_TIMER_INTERNAL] / total, mTimers[RS_TIMER_INTERNAL] / 1000000,
182             mAverageFPS);
183    }
184}
185
186bool Context::setupCheck() {
187#ifndef RS_COMPATIBILITY_LIB
188    mFragmentStore->setup(this, &mStateFragmentStore);
189    mFragment->setup(this, &mStateFragment);
190    mRaster->setup(this, &mStateRaster);
191    mVertex->setup(this, &mStateVertex);
192    mFBOCache.setup(this);
193#endif
194    return true;
195}
196
197#ifndef RS_COMPATIBILITY_LIB
198void Context::setupProgramStore() {
199    mFragmentStore->setup(this, &mStateFragmentStore);
200}
201#endif
202
203static uint32_t getProp(const char *str) {
204#ifdef __ANDROID__
205    char buf[PROP_VALUE_MAX];
206    property_get(str, buf, "0");
207    return atoi(buf);
208#else
209    return 0;
210#endif
211}
212
213void Context::displayDebugStats() {
214#ifndef RS_COMPATIBILITY_LIB
215    char buffer[128];
216    snprintf(buffer, sizeof(buffer), "Avg fps %u, Frame %i ms, Script %i ms",
217             mAverageFPS, mTimeMSLastFrame, mTimeMSLastScript);
218    float oldR, oldG, oldB, oldA;
219    mStateFont.getFontColor(&oldR, &oldG, &oldB, &oldA);
220    uint32_t bufferLen = strlen(buffer);
221
222    ObjectBaseRef<Font> lastFont(getFont());
223    setFont(nullptr);
224    float shadowCol = 0.1f;
225    mStateFont.setFontColor(shadowCol, shadowCol, shadowCol, 1.0f);
226    mStateFont.renderText(buffer, bufferLen, 5, getHeight() - 6);
227
228    mStateFont.setFontColor(1.0f, 0.7f, 0.0f, 1.0f);
229    mStateFont.renderText(buffer, bufferLen, 4, getHeight() - 7);
230
231    setFont(lastFont.get());
232    mStateFont.setFontColor(oldR, oldG, oldB, oldA);
233#endif
234}
235
236void * Context::threadProc(void *vrsc) {
237    Context *rsc = static_cast<Context *>(vrsc);
238
239#ifndef ANDROID_RS_SERIALIZE
240    rsc->mNativeThreadId = gettid();
241#endif //ANDROID_RS_SERIALIZE
242
243    rsc->props.mLogTimes = getProp("debug.rs.profile") != 0;
244    rsc->props.mLogScripts = getProp("debug.rs.script") != 0;
245    rsc->props.mLogShaders = getProp("debug.rs.shader") != 0;
246    rsc->props.mLogShadersAttr = getProp("debug.rs.shader.attributes") != 0;
247    rsc->props.mLogShadersUniforms = getProp("debug.rs.shader.uniforms") != 0;
248    rsc->props.mLogVisual = getProp("debug.rs.visual") != 0;
249    rsc->props.mLogReduce = getProp("debug.rs.reduce");
250    rsc->props.mDebugReduceSplitAccum = getProp("debug.rs.reduce-split-accum") != 0;
251    rsc->props.mDebugMaxThreads = getProp("debug.rs.max-threads");
252
253    if (getProp("debug.rs.debug") != 0) {
254        ALOGD("Forcing debug context due to debug.rs.debug.");
255        rsc->mContextType = RS_CONTEXT_TYPE_DEBUG;
256        rsc->mForceCpu = true;
257    }
258
259    bool forceRSoV = getProp("debug.rs.rsov") != 0;
260    if (forceRSoV) {
261        ALOGD("Force the use of RSoV driver");
262        rsc->mForceRSoV = true;
263    }
264
265    bool forceCpu = getProp("debug.rs.default-CPU-driver") != 0;
266    if (forceCpu) {
267        ALOGD("Skipping hardware driver and loading default CPU driver");
268        rsc->mForceCpu = true;
269    }
270
271    rsc->mForceCpu |= rsc->mIsGraphicsContext;
272    if (!rsc->loadDriver(rsc->mForceCpu, rsc->mForceRSoV)) {
273      rsc->setError(RS_ERROR_DRIVER, "Failed loading driver");
274      return nullptr;
275    }
276
277    if (!rsc->isSynchronous()) {
278        // Due to legacy we default to normal_graphics
279        // setPriority will make the adjustments as needed.
280        rsc->setPriority(RS_THREAD_PRIORITY_NORMAL_GRAPHICS);
281    }
282
283#ifndef RS_COMPATIBILITY_LIB
284    if (rsc->mIsGraphicsContext) {
285        if (!rsc->initGLThread()) {
286            rsc->setError(RS_ERROR_OUT_OF_MEMORY, "Failed initializing GL");
287            return nullptr;
288        }
289
290        rsc->mStateRaster.init(rsc);
291        rsc->setProgramRaster(nullptr);
292        rsc->mStateVertex.init(rsc);
293        rsc->setProgramVertex(nullptr);
294        rsc->mStateFragment.init(rsc);
295        rsc->setProgramFragment(nullptr);
296        rsc->mStateFragmentStore.init(rsc);
297        rsc->setProgramStore(nullptr);
298        rsc->mStateFont.init(rsc);
299        rsc->setFont(nullptr);
300        rsc->mStateSampler.init(rsc);
301        rsc->mFBOCache.init(rsc);
302    }
303#endif
304
305    rsc->mRunning = true;
306
307    if (rsc->isSynchronous()) {
308        return nullptr;
309    }
310
311    if (!rsc->mIsGraphicsContext) {
312        while (!rsc->mExit) {
313            rsc->mIO.playCoreCommands(rsc, -1);
314        }
315#ifndef RS_COMPATIBILITY_LIB
316    } else {
317#ifndef ANDROID_RS_SERIALIZE
318        DisplayEventReceiver displayEvent;
319        DisplayEventReceiver::Event eventBuffer[1];
320#endif
321        int vsyncRate = 0;
322        int targetRate = 0;
323
324        bool drawOnce = false;
325        while (!rsc->mExit) {
326            rsc->timerSet(RS_TIMER_IDLE);
327
328#ifndef ANDROID_RS_SERIALIZE
329            if (!rsc->mRootScript.get() || !rsc->mHasSurface || rsc->mPaused) {
330                targetRate = 0;
331            }
332
333            if (vsyncRate != targetRate) {
334                displayEvent.setVsyncRate(targetRate);
335                vsyncRate = targetRate;
336            }
337            if (targetRate) {
338                drawOnce |= rsc->mIO.playCoreCommands(rsc, displayEvent.getFd());
339                while (displayEvent.getEvents(eventBuffer, 1) != 0) {
340                    //ALOGE("vs2 time past %lld", (rsc->getTime() - eventBuffer[0].header.timestamp) / 1000000);
341                }
342            } else
343#endif
344            {
345                drawOnce |= rsc->mIO.playCoreCommands(rsc, -1);
346            }
347
348            if ((rsc->mRootScript.get() != nullptr) && rsc->mHasSurface &&
349                (targetRate || drawOnce) && !rsc->mPaused) {
350
351                drawOnce = false;
352                targetRate = ((rsc->runRootScript() + 15) / 16);
353
354                if (rsc->props.mLogVisual) {
355                    rsc->displayDebugStats();
356                }
357
358                rsc->timerSet(RS_TIMER_CLEAR_SWAP);
359                rsc->mHal.funcs.swap(rsc);
360                rsc->timerFrame();
361                rsc->timerSet(RS_TIMER_INTERNAL);
362                rsc->timerPrint();
363                rsc->timerReset();
364            }
365        }
366#endif
367    }
368
369    //ALOGV("%p RS Thread exiting", rsc);
370
371#ifndef RS_COMPATIBILITY_LIB
372    if (rsc->mIsGraphicsContext) {
373        pthread_mutex_lock(&gInitMutex);
374        rsc->deinitEGL();
375        pthread_mutex_unlock(&gInitMutex);
376    }
377#endif
378
379    //ALOGV("%p RS Thread exited", rsc);
380    return nullptr;
381}
382
383void Context::destroyWorkerThreadResources() {
384    //ALOGV("destroyWorkerThreadResources 1");
385    ObjectBase::zeroAllUserRef(this);
386#ifndef RS_COMPATIBILITY_LIB
387    if (mIsGraphicsContext) {
388         mRaster.clear();
389         mFragment.clear();
390         mVertex.clear();
391         mFragmentStore.clear();
392         mFont.clear();
393         mRootScript.clear();
394         mStateRaster.deinit(this);
395         mStateVertex.deinit(this);
396         mStateFragment.deinit(this);
397         mStateFragmentStore.deinit(this);
398         mStateFont.deinit(this);
399         mStateSampler.deinit(this);
400         mFBOCache.deinit(this);
401    }
402#endif
403    ObjectBase::freeAllChildren(this);
404    mExit = true;
405    //ALOGV("destroyWorkerThreadResources 2");
406}
407
408void Context::printWatchdogInfo(void *ctx) {
409    Context *rsc = (Context *)ctx;
410    if (rsc->watchdog.command && rsc->watchdog.file) {
411        ALOGE("RS watchdog timeout: %i  %s  line %i %s", rsc->watchdog.inRoot,
412             rsc->watchdog.command, rsc->watchdog.line, rsc->watchdog.file);
413    } else {
414        ALOGE("RS watchdog timeout: %i", rsc->watchdog.inRoot);
415    }
416}
417
418
419void Context::setPriority(int32_t p) {
420    switch (p) {
421    // The public API will always send NORMAL_GRAPHICS
422    // for normal, we adjust here
423    case RS_THREAD_PRIORITY_NORMAL_GRAPHICS:
424        if (mIsGraphicsContext) {
425            break;
426        } else {
427            if (mHal.flags & RS_CONTEXT_LOW_LATENCY) {
428                p = RS_THREAD_PRIORITY_LOW_LATENCY;
429            } else {
430                p = RS_THREAD_PRIORITY_NORMAL;
431            }
432        }
433    case RS_THREAD_PRIORITY_LOW:
434        break;
435    }
436
437    // Note: If we put this in the proper "background" policy
438    // the wallpapers can become completly unresponsive at times.
439    // This is probably not what we want for something the user is actively
440    // looking at.
441    mThreadPriority = p;
442    setpriority(PRIO_PROCESS, mNativeThreadId, p);
443    mHal.funcs.setPriority(this, mThreadPriority);
444}
445
446Context::Context() {
447    mDev = nullptr;
448    mRunning = false;
449    mExit = false;
450    mPaused = false;
451    mObjHead = nullptr;
452    mError = RS_ERROR_NONE;
453    mTargetSdkVersion = 14;
454    mDPI = 96;
455    mIsContextLite = false;
456    memset(&watchdog, 0, sizeof(watchdog));
457    memset(&mHal, 0, sizeof(mHal));
458    mForceCpu = false;
459    mForceRSoV = false;
460    mContextType = RS_CONTEXT_TYPE_NORMAL;
461    mOptLevel = 3;
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
483Context * Context::createContext(Device *dev, const RsSurfaceConfig *sc,
484                                 RsContextType ct, uint32_t flags) {
485    Context * rsc = new Context();
486
487    if (flags & RS_CONTEXT_LOW_LATENCY) {
488        rsc->mForceCpu = true;
489    }
490    if (flags & RS_CONTEXT_SYNCHRONOUS) {
491        rsc->mSynchronous = true;
492    }
493    rsc->mContextType = ct;
494    rsc->mHal.flags = flags;
495
496    if (!rsc->initContext(dev, sc)) {
497        delete rsc;
498        return nullptr;
499    }
500
501    return rsc;
502}
503
504Context * Context::createContextLite() {
505    Context * rsc = new Context();
506    rsc->mIsContextLite = true;
507    return rsc;
508}
509
510bool Context::initContext(Device *dev, const RsSurfaceConfig *sc) {
511    pthread_mutex_lock(&gInitMutex);
512
513    mIO.init();
514    mIO.setTimeoutCallback(printWatchdogInfo, this, 2e9);
515
516    if (sc) {
517        mUserSurfaceConfig = *sc;
518    } else {
519        memset(&mUserSurfaceConfig, 0, sizeof(mUserSurfaceConfig));
520    }
521
522    mIsGraphicsContext = sc != nullptr;
523
524    int status;
525    pthread_attr_t threadAttr;
526
527    pthread_mutex_unlock(&gInitMutex);
528
529    // Global init done at this point.
530
531    status = pthread_attr_init(&threadAttr);
532    if (status) {
533        ALOGE("Failed to init thread attribute.");
534        return false;
535    }
536
537    mHasSurface = false;
538    mDriverName = NULL;
539
540    timerInit();
541    timerSet(RS_TIMER_INTERNAL);
542    if (mSynchronous) {
543        threadProc(this);
544
545        if (mError != RS_ERROR_NONE) {
546            ALOGE("Errors during thread init (sync mode)");
547            return false;
548        }
549    } else {
550        status = pthread_create(&mThreadId, &threadAttr, threadProc, this);
551        if (status) {
552            ALOGE("Failed to start rs context thread.");
553            return false;
554        }
555        while (!mRunning && (mError == RS_ERROR_NONE)) {
556            usleep(100);
557        }
558
559        if (mError != RS_ERROR_NONE) {
560            ALOGE("Errors during thread init");
561            return false;
562        }
563
564        pthread_attr_destroy(&threadAttr);
565    }
566    return true;
567}
568
569Context::~Context() {
570    if (!mIsContextLite) {
571        mPaused = false;
572        void *res;
573
574        mIO.shutdown();
575        if (!mSynchronous) {
576            pthread_join(mThreadId, &res);
577        }
578        rsAssert(mExit);
579
580        if (mHal.funcs.shutdownDriver && mHal.drv) {
581            mHal.funcs.shutdownDriver(this);
582        }
583    }
584}
585
586#ifndef RS_COMPATIBILITY_LIB
587void Context::setSurface(uint32_t w, uint32_t h, RsNativeWindow sur) {
588    rsAssert(mIsGraphicsContext);
589    mHal.funcs.setSurface(this, w, h, sur);
590
591    mHasSurface = sur != nullptr;
592    mWidth = w;
593    mHeight = h;
594
595    if (mWidth && mHeight) {
596        mStateVertex.updateSize(this);
597        mFBOCache.updateSize();
598    }
599}
600
601uint32_t Context::getCurrentSurfaceWidth() const {
602    for (uint32_t i = 0; i < mFBOCache.mHal.state.colorTargetsCount; i ++) {
603        if (mFBOCache.mHal.state.colorTargets[i] != nullptr) {
604            return mFBOCache.mHal.state.colorTargets[i]->getType()->getDimX();
605        }
606    }
607    if (mFBOCache.mHal.state.depthTarget != nullptr) {
608        return mFBOCache.mHal.state.depthTarget->getType()->getDimX();
609    }
610    return mWidth;
611}
612
613uint32_t Context::getCurrentSurfaceHeight() const {
614    for (uint32_t i = 0; i < mFBOCache.mHal.state.colorTargetsCount; i ++) {
615        if (mFBOCache.mHal.state.colorTargets[i] != nullptr) {
616            return mFBOCache.mHal.state.colorTargets[i]->getType()->getDimY();
617        }
618    }
619    if (mFBOCache.mHal.state.depthTarget != nullptr) {
620        return mFBOCache.mHal.state.depthTarget->getType()->getDimY();
621    }
622    return mHeight;
623}
624
625void Context::pause() {
626    rsAssert(mIsGraphicsContext);
627    mPaused = true;
628}
629
630void Context::resume() {
631    rsAssert(mIsGraphicsContext);
632    mPaused = false;
633}
634
635void Context::setRootScript(Script *s) {
636    rsAssert(mIsGraphicsContext);
637    mRootScript.set(s);
638}
639
640void Context::setProgramStore(ProgramStore *pfs) {
641    rsAssert(mIsGraphicsContext);
642    if (pfs == nullptr) {
643        mFragmentStore.set(mStateFragmentStore.mDefault);
644    } else {
645        mFragmentStore.set(pfs);
646    }
647}
648
649void Context::setProgramFragment(ProgramFragment *pf) {
650    rsAssert(mIsGraphicsContext);
651    if (pf == nullptr) {
652        mFragment.set(mStateFragment.mDefault);
653    } else {
654        mFragment.set(pf);
655    }
656}
657
658void Context::setProgramRaster(ProgramRaster *pr) {
659    rsAssert(mIsGraphicsContext);
660    if (pr == nullptr) {
661        mRaster.set(mStateRaster.mDefault);
662    } else {
663        mRaster.set(pr);
664    }
665}
666
667void Context::setProgramVertex(ProgramVertex *pv) {
668    rsAssert(mIsGraphicsContext);
669    if (pv == nullptr) {
670        mVertex.set(mStateVertex.mDefault);
671    } else {
672        mVertex.set(pv);
673    }
674}
675
676void Context::setFont(Font *f) {
677    rsAssert(mIsGraphicsContext);
678    if (f == nullptr) {
679        mFont.set(mStateFont.mDefault);
680    } else {
681        mFont.set(f);
682    }
683}
684#endif
685
686void Context::finish() {
687    if (mHal.funcs.finish) {
688        mHal.funcs.finish(this);
689    }
690}
691
692void Context::assignName(ObjectBase *obj, const char *name, uint32_t len) {
693    rsAssert(!obj->getName());
694    obj->setName(name, len);
695    mNames.push_back(obj);
696}
697
698void Context::removeName(ObjectBase *obj) {
699    for (size_t ct=0; ct < mNames.size(); ct++) {
700        if (obj == mNames[ct]) {
701            mNames.erase(mNames.begin() + ct);
702            return;
703        }
704    }
705}
706
707RsMessageToClientType Context::peekMessageToClient(size_t *receiveLen, uint32_t *subID) {
708    return (RsMessageToClientType)mIO.getClientHeader(receiveLen, subID);
709}
710
711RsMessageToClientType Context::getMessageToClient(void *data, size_t *receiveLen, uint32_t *subID, size_t bufferLen) {
712    return (RsMessageToClientType)mIO.getClientPayload(data, receiveLen, subID, bufferLen);
713}
714
715bool Context::sendMessageToClient(const void *data, RsMessageToClientType cmdID,
716                                  uint32_t subID, size_t len, bool waitForSpace) const {
717
718    pthread_mutex_lock(&gMessageMutex);
719    bool ret = mIO.sendToClient(cmdID, subID, data, len, waitForSpace);
720    pthread_mutex_unlock(&gMessageMutex);
721    return ret;
722}
723
724void Context::initToClient() {
725    while (!mRunning) {
726        usleep(100);
727    }
728}
729
730void Context::deinitToClient() {
731    mIO.clientShutdown();
732}
733
734void Context::setError(RsError e, const char *msg) const {
735    mError = e;
736
737    if (mError >= RS_ERROR_FATAL_DEBUG) {
738        // If a FATAL error occurred, set the flag to indicate the process
739        // will be goign down
740        mFatalErrorOccured = true;
741    }
742
743    sendMessageToClient(msg, RS_MESSAGE_TO_CLIENT_ERROR, e, strlen(msg) + 1, true);
744}
745
746
747void Context::dumpDebug() const {
748    ALOGE("RS Context debug %p", this);
749    ALOGE("RS Context debug");
750
751    ALOGE(" RS width %i, height %i", mWidth, mHeight);
752    ALOGE(" RS running %i, exit %i, paused %i", mRunning, mExit, mPaused);
753    ALOGE(" RS pThreadID %li, nativeThreadID %i", (long int)mThreadId, mNativeThreadId);
754}
755
756///////////////////////////////////////////////////////////////////////////////////////////
757//
758
759void rsi_ContextFinish(Context *rsc) {
760    rsc->finish();
761}
762
763void rsi_ContextBindRootScript(Context *rsc, RsScript vs) {
764#ifndef RS_COMPATIBILITY_LIB
765    Script *s = static_cast<Script *>(vs);
766    rsc->setRootScript(s);
767#endif
768}
769
770void rsi_ContextSetCacheDir(Context *rsc, const char *cacheDir, size_t cacheDir_length) {
771    rsc->setCacheDir(cacheDir, cacheDir_length);
772}
773
774void rsi_ContextBindSampler(Context *rsc, uint32_t slot, RsSampler vs) {
775    Sampler *s = static_cast<Sampler *>(vs);
776
777    if (slot > RS_MAX_SAMPLER_SLOT) {
778        ALOGE("Invalid sampler slot");
779        return;
780    }
781
782    s->bindToContext(&rsc->mStateSampler, slot);
783}
784
785#ifndef RS_COMPATIBILITY_LIB
786void rsi_ContextBindProgramStore(Context *rsc, RsProgramStore vpfs) {
787    ProgramStore *pfs = static_cast<ProgramStore *>(vpfs);
788    rsc->setProgramStore(pfs);
789}
790
791void rsi_ContextBindProgramFragment(Context *rsc, RsProgramFragment vpf) {
792    ProgramFragment *pf = static_cast<ProgramFragment *>(vpf);
793    rsc->setProgramFragment(pf);
794}
795
796void rsi_ContextBindProgramRaster(Context *rsc, RsProgramRaster vpr) {
797    ProgramRaster *pr = static_cast<ProgramRaster *>(vpr);
798    rsc->setProgramRaster(pr);
799}
800
801void rsi_ContextBindProgramVertex(Context *rsc, RsProgramVertex vpv) {
802    ProgramVertex *pv = static_cast<ProgramVertex *>(vpv);
803    rsc->setProgramVertex(pv);
804}
805
806void rsi_ContextBindFont(Context *rsc, RsFont vfont) {
807    Font *font = static_cast<Font *>(vfont);
808    rsc->setFont(font);
809}
810#endif
811
812void rsi_AssignName(Context *rsc, RsObjectBase obj, const char *name, size_t name_length) {
813    ObjectBase *ob = static_cast<ObjectBase *>(obj);
814    rsc->assignName(ob, name, name_length);
815}
816
817void rsi_ObjDestroy(Context *rsc, void *optr) {
818    ObjectBase *ob = static_cast<ObjectBase *>(optr);
819    rsc->removeName(ob);
820    ob->decUserRef();
821}
822
823#ifndef RS_COMPATIBILITY_LIB
824void rsi_ContextPause(Context *rsc) {
825    rsc->pause();
826}
827
828void rsi_ContextResume(Context *rsc) {
829    rsc->resume();
830}
831
832void rsi_ContextSetSurface(Context *rsc, uint32_t w, uint32_t h, RsNativeWindow sur) {
833    rsc->setSurface(w, h, sur);
834}
835#endif
836
837void rsi_ContextSetPriority(Context *rsc, int32_t p) {
838    rsc->setPriority(p);
839}
840
841void rsi_ContextDump(Context *rsc, int32_t bits) {
842    ObjectBase::dumpAll(rsc);
843}
844
845void rsi_ContextDestroyWorker(Context *rsc) {
846    rsc->destroyWorkerThreadResources();
847}
848
849void rsi_ContextDestroy(Context *rsc) {
850    //ALOGE("%p rsContextDestroy", rsc);
851    rsc->destroyWorkerThreadResources();
852    delete rsc;
853    //ALOGV("%p rsContextDestroy done", rsc);
854}
855
856RsMessageToClientType rsi_ContextPeekMessage(Context *rsc,
857                                           size_t * receiveLen, size_t receiveLen_length,
858                                           uint32_t * subID, size_t subID_length) {
859    return rsc->peekMessageToClient(receiveLen, subID);
860}
861
862RsMessageToClientType rsi_ContextGetMessage(Context *rsc, void * data, size_t data_length,
863                                          size_t * receiveLen, size_t receiveLen_length,
864                                          uint32_t * subID, size_t subID_length) {
865    rsAssert(subID_length == sizeof(uint32_t));
866    rsAssert(receiveLen_length == sizeof(size_t));
867    return rsc->getMessageToClient(data, receiveLen, subID, data_length);
868}
869
870void rsi_ContextInitToClient(Context *rsc) {
871    rsc->initToClient();
872}
873
874void rsi_ContextDeinitToClient(Context *rsc) {
875    rsc->deinitToClient();
876}
877
878void rsi_ContextSendMessage(Context *rsc, uint32_t id, const uint8_t *data, size_t len) {
879    rsc->sendMessageToClient(data, RS_MESSAGE_TO_CLIENT_USER, id, len, true);
880}
881
882// implementation of handcode LF_ObjDestroy
883// required so nObjDestroy can be run from finalizer without blocking
884void LF_ObjDestroy_handcode(const Context *rsc, RsAsyncVoidPtr objPtr) {
885    if (((Context *)rsc)->isSynchronous()) {
886        rsi_ObjDestroy((Context *)rsc, objPtr);
887        return;
888    }
889
890    // struct has two parts:
891    // RsPlaybackRemoteHeader (cmdID and bytes)
892    // RS_CMD_ObjDestroy (ptr)
893    struct destroyCmd {
894        uint32_t cmdID;
895        uint32_t bytes;
896        RsAsyncVoidPtr ptr;
897     };
898
899    destroyCmd cmd;
900    cmd.cmdID = RS_CMD_ID_ObjDestroy;
901    cmd.bytes = sizeof(RsAsyncVoidPtr);
902    cmd.ptr = objPtr;
903    ThreadIO *io = &((Context *)rsc)->mIO;
904    io->coreWrite((void*)&cmd, sizeof(destroyCmd));
905
906}
907
908} // namespace renderscript
909} // namespace android
910