rsContext.cpp revision 61db21cef81cbc8439b34a8f1d32952339ffc190 
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
48#ifdef RS_SERVER
49// Android exposes gettid(), standard Linux does not
50static pid_t gettid() {
51    return syscall(SYS_gettid);
52}
53#endif
54
55using namespace android;
56using namespace android::renderscript;
57
58pthread_mutex_t Context::gInitMutex = PTHREAD_MUTEX_INITIALIZER;
59pthread_mutex_t Context::gMessageMutex = PTHREAD_MUTEX_INITIALIZER;
60pthread_mutex_t Context::gLibMutex = PTHREAD_MUTEX_INITIALIZER;
61
62bool Context::initGLThread() {
63    pthread_mutex_lock(&gInitMutex);
64
65    if (!mHal.funcs.initGraphics(this)) {
66        pthread_mutex_unlock(&gInitMutex);
67        ALOGE("%p initGraphics failed", this);
68        return false;
69    }
70
71    pthread_mutex_unlock(&gInitMutex);
72    return true;
73}
74
75void Context::deinitEGL() {
76#ifndef RS_COMPATIBILITY_LIB
77    mHal.funcs.shutdownGraphics(this);
78#endif
79}
80
81Context::PushState::PushState(Context *con) {
82    mRsc = con;
83#ifndef RS_COMPATIBILITY_LIB
84    if (con->mIsGraphicsContext) {
85        mFragment.set(con->getProgramFragment());
86        mVertex.set(con->getProgramVertex());
87        mStore.set(con->getProgramStore());
88        mRaster.set(con->getProgramRaster());
89        mFont.set(con->getFont());
90    }
91#endif
92}
93
94Context::PushState::~PushState() {
95#ifndef RS_COMPATIBILITY_LIB
96    if (mRsc->mIsGraphicsContext) {
97        mRsc->setProgramFragment(mFragment.get());
98        mRsc->setProgramVertex(mVertex.get());
99        mRsc->setProgramStore(mStore.get());
100        mRsc->setProgramRaster(mRaster.get());
101        mRsc->setFont(mFont.get());
102    }
103#endif
104}
105
106
107uint32_t Context::runScript(Script *s) {
108    PushState ps(this);
109
110    uint32_t ret = s->run(this);
111    return ret;
112}
113
114uint32_t Context::runRootScript() {
115    timerSet(RS_TIMER_SCRIPT);
116#ifndef RS_COMPATIBILITY_LIB
117    mStateFragmentStore.mLast.clear();
118#endif
119    watchdog.inRoot = true;
120    uint32_t ret = runScript(mRootScript.get());
121    watchdog.inRoot = false;
122
123    return ret;
124}
125
126uint64_t Context::getTime() const {
127#ifndef ANDROID_RS_SERIALIZE
128    struct timespec t;
129    clock_gettime(CLOCK_MONOTONIC, &t);
130    return t.tv_nsec + ((uint64_t)t.tv_sec * 1000 * 1000 * 1000);
131#else
132    return 0;
133#endif //ANDROID_RS_SERIALIZE
134}
135
136void Context::timerReset() {
137    for (int ct=0; ct < _RS_TIMER_TOTAL; ct++) {
138        mTimers[ct] = 0;
139    }
140}
141
142void Context::timerInit() {
143    mTimeLast = getTime();
144    mTimeFrame = mTimeLast;
145    mTimeLastFrame = mTimeLast;
146    mTimerActive = RS_TIMER_INTERNAL;
147    mAverageFPSFrameCount = 0;
148    mAverageFPSStartTime = mTimeLast;
149    mAverageFPS = 0;
150    timerReset();
151}
152
153void Context::timerFrame() {
154    mTimeLastFrame = mTimeFrame;
155    mTimeFrame = getTime();
156    // Update average fps
157    const uint64_t averageFramerateInterval = 1000 * 1000000;
158    mAverageFPSFrameCount ++;
159    uint64_t inverval = mTimeFrame - mAverageFPSStartTime;
160    if (inverval >= averageFramerateInterval) {
161        inverval = inverval / 1000000;
162        mAverageFPS = (mAverageFPSFrameCount * 1000) / inverval;
163        mAverageFPSFrameCount = 0;
164        mAverageFPSStartTime = mTimeFrame;
165    }
166}
167
168void Context::timerSet(Timers tm) {
169    uint64_t last = mTimeLast;
170    mTimeLast = getTime();
171    mTimers[mTimerActive] += mTimeLast - last;
172    mTimerActive = tm;
173}
174
175void Context::timerPrint() {
176    double total = 0;
177    for (int ct = 0; ct < _RS_TIMER_TOTAL; ct++) {
178        total += mTimers[ct];
179    }
180    uint64_t frame = mTimeFrame - mTimeLastFrame;
181    mTimeMSLastFrame = frame / 1000000;
182    mTimeMSLastScript = mTimers[RS_TIMER_SCRIPT] / 1000000;
183    mTimeMSLastSwap = mTimers[RS_TIMER_CLEAR_SWAP] / 1000000;
184
185
186    if (props.mLogTimes) {
187        ALOGV("RS: Frame (%i),   Script %2.1f%% (%i),  Swap %2.1f%% (%i),  Idle %2.1f%% (%" PRIi64 "),  "
188              "Internal %2.1f%% (%" PRIi64 "), Avg fps: %u",
189             mTimeMSLastFrame,
190             100.0 * mTimers[RS_TIMER_SCRIPT] / total, mTimeMSLastScript,
191             100.0 * mTimers[RS_TIMER_CLEAR_SWAP] / total, mTimeMSLastSwap,
192             100.0 * mTimers[RS_TIMER_IDLE] / total, mTimers[RS_TIMER_IDLE] / 1000000,
193             100.0 * mTimers[RS_TIMER_INTERNAL] / total, mTimers[RS_TIMER_INTERNAL] / 1000000,
194             mAverageFPS);
195    }
196}
197
198bool Context::setupCheck() {
199#ifndef RS_COMPATIBILITY_LIB
200    mFragmentStore->setup(this, &mStateFragmentStore);
201    mFragment->setup(this, &mStateFragment);
202    mRaster->setup(this, &mStateRaster);
203    mVertex->setup(this, &mStateVertex);
204    mFBOCache.setup(this);
205#endif
206    return true;
207}
208
209#ifndef RS_COMPATIBILITY_LIB
210void Context::setupProgramStore() {
211    mFragmentStore->setup(this, &mStateFragmentStore);
212}
213#endif
214
215static uint32_t getProp(const char *str) {
216#if !defined(RS_SERVER) && defined(HAVE_ANDROID_OS)
217    char buf[PROPERTY_VALUE_MAX];
218    property_get(str, buf, "0");
219    return atoi(buf);
220#else
221    return 0;
222#endif
223}
224
225void Context::displayDebugStats() {
226#ifndef RS_COMPATIBILITY_LIB
227    char buffer[128];
228    sprintf(buffer, "Avg fps %u, Frame %i ms, Script %i ms", mAverageFPS, mTimeMSLastFrame, mTimeMSLastScript);
229    float oldR, oldG, oldB, oldA;
230    mStateFont.getFontColor(&oldR, &oldG, &oldB, &oldA);
231    uint32_t bufferLen = strlen(buffer);
232
233    ObjectBaseRef<Font> lastFont(getFont());
234    setFont(nullptr);
235    float shadowCol = 0.1f;
236    mStateFont.setFontColor(shadowCol, shadowCol, shadowCol, 1.0f);
237    mStateFont.renderText(buffer, bufferLen, 5, getHeight() - 6);
238
239    mStateFont.setFontColor(1.0f, 0.7f, 0.0f, 1.0f);
240    mStateFont.renderText(buffer, bufferLen, 4, getHeight() - 7);
241
242    setFont(lastFont.get());
243    mStateFont.setFontColor(oldR, oldG, oldB, oldA);
244#endif
245}
246
247bool Context::loadRuntime(const char* filename, Context* rsc) {
248
249    // TODO: store the driverSO somewhere so we can dlclose later
250    void *driverSO = nullptr;
251
252    driverSO = dlopen(filename, RTLD_LAZY);
253    if (driverSO == nullptr) {
254        ALOGE("Failed loading RS driver: %s", dlerror());
255        return false;
256    }
257
258    // Need to call dlerror() to clear buffer before using it for dlsym().
259    (void) dlerror();
260    typedef bool (*HalSig)(Context*, uint32_t, uint32_t);
261    HalSig halInit = (HalSig) dlsym(driverSO, "rsdHalInit");
262
263    // If we can't find the C variant, we go looking for the C++ version.
264    if (halInit == nullptr) {
265        ALOGW("Falling back to find C++ rsdHalInit: %s", dlerror());
266        halInit = (HalSig) dlsym(driverSO,
267                "_Z10rsdHalInitPN7android12renderscript7ContextEjj");
268    }
269
270    if (halInit == nullptr) {
271        dlclose(driverSO);
272        ALOGE("Failed to find rsdHalInit: %s", dlerror());
273        return false;
274    }
275
276    if (!(*halInit)(rsc, 0, 0)) {
277        dlclose(driverSO);
278        ALOGE("Hal init failed");
279        return false;
280    }
281
282    //validate HAL struct
283
284
285    return true;
286}
287
288extern "C" bool rsdHalInit(RsContext c, uint32_t version_major, uint32_t version_minor);
289
290void * Context::threadProc(void *vrsc) {
291    Context *rsc = static_cast<Context *>(vrsc);
292#ifndef ANDROID_RS_SERIALIZE
293    rsc->mNativeThreadId = gettid();
294#ifndef RS_COMPATIBILITY_LIB
295    if (!rsc->isSynchronous()) {
296        setpriority(PRIO_PROCESS, rsc->mNativeThreadId, ANDROID_PRIORITY_DISPLAY);
297    }
298    rsc->mThreadPriority = ANDROID_PRIORITY_DISPLAY;
299#else
300    if (!rsc->isSynchronous()) {
301        setpriority(PRIO_PROCESS, rsc->mNativeThreadId, -4);
302    }
303    rsc->mThreadPriority = -4;
304#endif
305#endif //ANDROID_RS_SERIALIZE
306    rsc->props.mLogTimes = getProp("debug.rs.profile") != 0;
307    rsc->props.mLogScripts = getProp("debug.rs.script") != 0;
308    rsc->props.mLogObjects = getProp("debug.rs.object") != 0;
309    rsc->props.mLogShaders = getProp("debug.rs.shader") != 0;
310    rsc->props.mLogShadersAttr = getProp("debug.rs.shader.attributes") != 0;
311    rsc->props.mLogShadersUniforms = getProp("debug.rs.shader.uniforms") != 0;
312    rsc->props.mLogVisual = getProp("debug.rs.visual") != 0;
313    rsc->props.mDebugMaxThreads = getProp("debug.rs.max-threads");
314
315    if (getProp("debug.rs.debug") != 0) {
316        ALOGD("Forcing debug context due to debug.rs.debug.");
317        rsc->mContextType = RS_CONTEXT_TYPE_DEBUG;
318    }
319
320    bool loadDefault = true;
321
322    // Provide a mechanism for dropping in a different RS driver.
323#ifndef RS_COMPATIBILITY_LIB
324#ifdef OVERRIDE_RS_DRIVER
325#define XSTR(S) #S
326#define STR(S) XSTR(S)
327#define OVERRIDE_RS_DRIVER_STRING STR(OVERRIDE_RS_DRIVER)
328
329    if (getProp("debug.rs.default-CPU-driver") != 0) {
330        ALOGD("Skipping override driver and loading default CPU driver");
331    } else if (rsc->mForceCpu || rsc->mIsGraphicsContext) {
332        ALOGV("Application requested CPU execution");
333    } else if (rsc->getContextType() == RS_CONTEXT_TYPE_DEBUG) {
334        ALOGV("Application requested debug context");
335    } else {
336        if (loadRuntime(OVERRIDE_RS_DRIVER_STRING, rsc)) {
337            ALOGV("Successfully loaded runtime: %s", OVERRIDE_RS_DRIVER_STRING);
338            loadDefault = false;
339        } else {
340            ALOGE("Failed to load runtime %s, loading default", OVERRIDE_RS_DRIVER_STRING);
341        }
342    }
343
344#undef XSTR
345#undef STR
346#endif  // OVERRIDE_RS_DRIVER
347
348    if (loadDefault) {
349        if (!loadRuntime("libRSDriver.so", rsc)) {
350            ALOGE("Failed to load default runtime!");
351            rsc->setError(RS_ERROR_FATAL_DRIVER, "Failed loading RS driver");
352            return nullptr;
353        }
354    }
355#else // RS_COMPATIBILITY_LIB
356    if (rsdHalInit(rsc, 0, 0) != true) {
357        return nullptr;
358    }
359#endif
360
361
362    rsc->mHal.funcs.setPriority(rsc, rsc->mThreadPriority);
363
364#ifndef RS_COMPATIBILITY_LIB
365    if (rsc->mIsGraphicsContext) {
366        if (!rsc->initGLThread()) {
367            rsc->setError(RS_ERROR_OUT_OF_MEMORY, "Failed initializing GL");
368            return nullptr;
369        }
370
371        rsc->mStateRaster.init(rsc);
372        rsc->setProgramRaster(nullptr);
373        rsc->mStateVertex.init(rsc);
374        rsc->setProgramVertex(nullptr);
375        rsc->mStateFragment.init(rsc);
376        rsc->setProgramFragment(nullptr);
377        rsc->mStateFragmentStore.init(rsc);
378        rsc->setProgramStore(nullptr);
379        rsc->mStateFont.init(rsc);
380        rsc->setFont(nullptr);
381        rsc->mStateSampler.init(rsc);
382        rsc->mFBOCache.init(rsc);
383    }
384#endif
385
386    rsc->mRunning = true;
387
388    if (rsc->isSynchronous()) {
389        return nullptr;
390    }
391
392    if (!rsc->mIsGraphicsContext) {
393        while (!rsc->mExit) {
394            rsc->mIO.playCoreCommands(rsc, -1);
395        }
396#ifndef RS_COMPATIBILITY_LIB
397    } else {
398#ifndef ANDROID_RS_SERIALIZE
399        DisplayEventReceiver displayEvent;
400        DisplayEventReceiver::Event eventBuffer[1];
401#endif
402        int vsyncRate = 0;
403        int targetRate = 0;
404
405        bool drawOnce = false;
406        while (!rsc->mExit) {
407            rsc->timerSet(RS_TIMER_IDLE);
408
409#ifndef ANDROID_RS_SERIALIZE
410            if (!rsc->mRootScript.get() || !rsc->mHasSurface || rsc->mPaused) {
411                targetRate = 0;
412            }
413
414            if (vsyncRate != targetRate) {
415                displayEvent.setVsyncRate(targetRate);
416                vsyncRate = targetRate;
417            }
418            if (targetRate) {
419                drawOnce |= rsc->mIO.playCoreCommands(rsc, displayEvent.getFd());
420                while (displayEvent.getEvents(eventBuffer, 1) != 0) {
421                    //ALOGE("vs2 time past %lld", (rsc->getTime() - eventBuffer[0].header.timestamp) / 1000000);
422                }
423            } else
424#endif
425            {
426                drawOnce |= rsc->mIO.playCoreCommands(rsc, -1);
427            }
428
429            if ((rsc->mRootScript.get() != nullptr) && rsc->mHasSurface &&
430                (targetRate || drawOnce) && !rsc->mPaused) {
431
432                drawOnce = false;
433                targetRate = ((rsc->runRootScript() + 15) / 16);
434
435                if (rsc->props.mLogVisual) {
436                    rsc->displayDebugStats();
437                }
438
439                rsc->timerSet(RS_TIMER_CLEAR_SWAP);
440                rsc->mHal.funcs.swap(rsc);
441                rsc->timerFrame();
442                rsc->timerSet(RS_TIMER_INTERNAL);
443                rsc->timerPrint();
444                rsc->timerReset();
445            }
446        }
447#endif
448    }
449
450    //ALOGV("%p RS Thread exiting", rsc);
451
452#ifndef RS_COMPATIBILITY_LIB
453    if (rsc->mIsGraphicsContext) {
454        pthread_mutex_lock(&gInitMutex);
455        rsc->deinitEGL();
456        pthread_mutex_unlock(&gInitMutex);
457    }
458#endif
459
460    //ALOGV("%p RS Thread exited", rsc);
461    return nullptr;
462}
463
464void Context::destroyWorkerThreadResources() {
465    //ALOGV("destroyWorkerThreadResources 1");
466    ObjectBase::zeroAllUserRef(this);
467#ifndef RS_COMPATIBILITY_LIB
468    if (mIsGraphicsContext) {
469         mRaster.clear();
470         mFragment.clear();
471         mVertex.clear();
472         mFragmentStore.clear();
473         mFont.clear();
474         mRootScript.clear();
475         mStateRaster.deinit(this);
476         mStateVertex.deinit(this);
477         mStateFragment.deinit(this);
478         mStateFragmentStore.deinit(this);
479         mStateFont.deinit(this);
480         mStateSampler.deinit(this);
481         mFBOCache.deinit(this);
482    }
483#endif
484    ObjectBase::freeAllChildren(this);
485    mExit = true;
486    //ALOGV("destroyWorkerThreadResources 2");
487}
488
489void Context::printWatchdogInfo(void *ctx) {
490    Context *rsc = (Context *)ctx;
491    if (rsc->watchdog.command && rsc->watchdog.file) {
492        ALOGE("RS watchdog timeout: %i  %s  line %i %s", rsc->watchdog.inRoot,
493             rsc->watchdog.command, rsc->watchdog.line, rsc->watchdog.file);
494    } else {
495        ALOGE("RS watchdog timeout: %i", rsc->watchdog.inRoot);
496    }
497}
498
499
500void Context::setPriority(int32_t p) {
501    // Note: If we put this in the proper "background" policy
502    // the wallpapers can become completly unresponsive at times.
503    // This is probably not what we want for something the user is actively
504    // looking at.
505    mThreadPriority = p;
506    setpriority(PRIO_PROCESS, mNativeThreadId, p);
507    mHal.funcs.setPriority(this, mThreadPriority);
508}
509
510Context::Context() {
511    mDev = nullptr;
512    mRunning = false;
513    mExit = false;
514    mPaused = false;
515    mObjHead = nullptr;
516    mError = RS_ERROR_NONE;
517    mTargetSdkVersion = 14;
518    mDPI = 96;
519    mIsContextLite = false;
520    memset(&watchdog, 0, sizeof(watchdog));
521    memset(&mHal, 0, sizeof(mHal));
522    mForceCpu = false;
523    mContextType = RS_CONTEXT_TYPE_NORMAL;
524    mSynchronous = false;
525}
526
527Context * Context::createContext(Device *dev, const RsSurfaceConfig *sc,
528                                 RsContextType ct, uint32_t flags) {
529    Context * rsc = new Context();
530
531    if (flags & RS_CONTEXT_LOW_LATENCY) {
532        rsc->mForceCpu = true;
533    }
534    if (flags & RS_CONTEXT_SYNCHRONOUS) {
535        rsc->mSynchronous = true;
536    }
537    rsc->mContextType = ct;
538    rsc->mHal.flags = flags;
539
540    if (!rsc->initContext(dev, sc)) {
541        delete rsc;
542        return nullptr;
543    }
544    return rsc;
545}
546
547Context * Context::createContextLite() {
548    Context * rsc = new Context();
549    rsc->mIsContextLite = true;
550    return rsc;
551}
552
553bool Context::initContext(Device *dev, const RsSurfaceConfig *sc) {
554    pthread_mutex_lock(&gInitMutex);
555
556    mIO.init();
557    mIO.setTimeoutCallback(printWatchdogInfo, this, 2e9);
558
559    dev->addContext(this);
560    mDev = dev;
561    if (sc) {
562        mUserSurfaceConfig = *sc;
563    } else {
564        memset(&mUserSurfaceConfig, 0, sizeof(mUserSurfaceConfig));
565    }
566
567    mIsGraphicsContext = sc != nullptr;
568
569    int status;
570    pthread_attr_t threadAttr;
571
572    pthread_mutex_unlock(&gInitMutex);
573
574    // Global init done at this point.
575
576    status = pthread_attr_init(&threadAttr);
577    if (status) {
578        ALOGE("Failed to init thread attribute.");
579        return false;
580    }
581
582    mHasSurface = false;
583
584    timerInit();
585    timerSet(RS_TIMER_INTERNAL);
586    if (mSynchronous) {
587        threadProc(this);
588
589        if (mError != RS_ERROR_NONE) {
590            ALOGE("Errors during thread init (sync mode)");
591            return false;
592        }
593    } else {
594        status = pthread_create(&mThreadId, &threadAttr, threadProc, this);
595        if (status) {
596            ALOGE("Failed to start rs context thread.");
597            return false;
598        }
599        while (!mRunning && (mError == RS_ERROR_NONE)) {
600            usleep(100);
601        }
602
603        if (mError != RS_ERROR_NONE) {
604            ALOGE("Errors during thread init");
605            return false;
606        }
607
608        pthread_attr_destroy(&threadAttr);
609    }
610    return true;
611}
612
613Context::~Context() {
614    //ALOGV("%p Context::~Context", this);
615
616    if (!mIsContextLite) {
617        mPaused = false;
618        void *res;
619
620        mIO.shutdown();
621        if (!mSynchronous) {
622            pthread_join(mThreadId, &res);
623        }
624        rsAssert(mExit);
625
626        if (mHal.funcs.shutdownDriver && mHal.drv) {
627            mHal.funcs.shutdownDriver(this);
628        }
629
630        // Global structure cleanup.
631        pthread_mutex_lock(&gInitMutex);
632        if (mDev) {
633            mDev->removeContext(this);
634            mDev = nullptr;
635        }
636        pthread_mutex_unlock(&gInitMutex);
637    }
638    //ALOGV("%p Context::~Context done", this);
639}
640
641#ifndef RS_COMPATIBILITY_LIB
642void Context::setSurface(uint32_t w, uint32_t h, RsNativeWindow sur) {
643    rsAssert(mIsGraphicsContext);
644    mHal.funcs.setSurface(this, w, h, sur);
645
646    mHasSurface = sur != nullptr;
647    mWidth = w;
648    mHeight = h;
649
650    if (mWidth && mHeight) {
651        mStateVertex.updateSize(this);
652        mFBOCache.updateSize();
653    }
654}
655
656uint32_t Context::getCurrentSurfaceWidth() const {
657    for (uint32_t i = 0; i < mFBOCache.mHal.state.colorTargetsCount; i ++) {
658        if (mFBOCache.mHal.state.colorTargets[i] != nullptr) {
659            return mFBOCache.mHal.state.colorTargets[i]->getType()->getDimX();
660        }
661    }
662    if (mFBOCache.mHal.state.depthTarget != nullptr) {
663        return mFBOCache.mHal.state.depthTarget->getType()->getDimX();
664    }
665    return mWidth;
666}
667
668uint32_t Context::getCurrentSurfaceHeight() const {
669    for (uint32_t i = 0; i < mFBOCache.mHal.state.colorTargetsCount; i ++) {
670        if (mFBOCache.mHal.state.colorTargets[i] != nullptr) {
671            return mFBOCache.mHal.state.colorTargets[i]->getType()->getDimY();
672        }
673    }
674    if (mFBOCache.mHal.state.depthTarget != nullptr) {
675        return mFBOCache.mHal.state.depthTarget->getType()->getDimY();
676    }
677    return mHeight;
678}
679
680void Context::pause() {
681    rsAssert(mIsGraphicsContext);
682    mPaused = true;
683}
684
685void Context::resume() {
686    rsAssert(mIsGraphicsContext);
687    mPaused = false;
688}
689
690void Context::setRootScript(Script *s) {
691    rsAssert(mIsGraphicsContext);
692    mRootScript.set(s);
693}
694
695void Context::setProgramStore(ProgramStore *pfs) {
696    rsAssert(mIsGraphicsContext);
697    if (pfs == nullptr) {
698        mFragmentStore.set(mStateFragmentStore.mDefault);
699    } else {
700        mFragmentStore.set(pfs);
701    }
702}
703
704void Context::setProgramFragment(ProgramFragment *pf) {
705    rsAssert(mIsGraphicsContext);
706    if (pf == nullptr) {
707        mFragment.set(mStateFragment.mDefault);
708    } else {
709        mFragment.set(pf);
710    }
711}
712
713void Context::setProgramRaster(ProgramRaster *pr) {
714    rsAssert(mIsGraphicsContext);
715    if (pr == nullptr) {
716        mRaster.set(mStateRaster.mDefault);
717    } else {
718        mRaster.set(pr);
719    }
720}
721
722void Context::setProgramVertex(ProgramVertex *pv) {
723    rsAssert(mIsGraphicsContext);
724    if (pv == nullptr) {
725        mVertex.set(mStateVertex.mDefault);
726    } else {
727        mVertex.set(pv);
728    }
729}
730
731void Context::setFont(Font *f) {
732    rsAssert(mIsGraphicsContext);
733    if (f == nullptr) {
734        mFont.set(mStateFont.mDefault);
735    } else {
736        mFont.set(f);
737    }
738}
739#endif
740
741void Context::finish() {
742    if (mHal.funcs.finish) {
743        mHal.funcs.finish(this);
744    }
745}
746
747void Context::assignName(ObjectBase *obj, const char *name, uint32_t len) {
748    rsAssert(!obj->getName());
749    obj->setName(name, len);
750    mNames.push_back(obj);
751}
752
753void Context::removeName(ObjectBase *obj) {
754    for (auto nameIter = mNames.begin(), endIter = mNames.end();
755         nameIter != endIter; nameIter++) {
756
757        if (obj == *nameIter) {
758            mNames.erase(nameIter);
759            return;
760        }
761    }
762}
763
764RsMessageToClientType Context::peekMessageToClient(size_t *receiveLen, uint32_t *subID) {
765    return (RsMessageToClientType)mIO.getClientHeader(receiveLen, subID);
766}
767
768RsMessageToClientType Context::getMessageToClient(void *data, size_t *receiveLen, uint32_t *subID, size_t bufferLen) {
769    return (RsMessageToClientType)mIO.getClientPayload(data, receiveLen, subID, bufferLen);
770}
771
772bool Context::sendMessageToClient(const void *data, RsMessageToClientType cmdID,
773                                  uint32_t subID, size_t len, bool waitForSpace) const {
774
775    pthread_mutex_lock(&gMessageMutex);
776    bool ret = mIO.sendToClient(cmdID, subID, data, len, waitForSpace);
777    pthread_mutex_unlock(&gMessageMutex);
778    return ret;
779}
780
781void Context::initToClient() {
782    while (!mRunning) {
783        usleep(100);
784    }
785}
786
787void Context::deinitToClient() {
788    mIO.clientShutdown();
789}
790
791void Context::setError(RsError e, const char *msg) const {
792    mError = e;
793    sendMessageToClient(msg, RS_MESSAGE_TO_CLIENT_ERROR, e, strlen(msg) + 1, true);
794}
795
796
797void Context::dumpDebug() const {
798    ALOGE("RS Context debug %p", this);
799    ALOGE("RS Context debug");
800
801    ALOGE(" RS width %i, height %i", mWidth, mHeight);
802    ALOGE(" RS running %i, exit %i, paused %i", mRunning, mExit, mPaused);
803    ALOGE(" RS pThreadID %li, nativeThreadID %i", (long int)mThreadId, mNativeThreadId);
804}
805
806///////////////////////////////////////////////////////////////////////////////////////////
807//
808
809namespace android {
810namespace renderscript {
811
812void rsi_ContextFinish(Context *rsc) {
813    rsc->finish();
814}
815
816void rsi_ContextBindRootScript(Context *rsc, RsScript vs) {
817#ifndef RS_COMPATIBILITY_LIB
818    Script *s = static_cast<Script *>(vs);
819    rsc->setRootScript(s);
820#endif
821}
822
823void rsi_ContextBindSampler(Context *rsc, uint32_t slot, RsSampler vs) {
824    Sampler *s = static_cast<Sampler *>(vs);
825
826    if (slot > RS_MAX_SAMPLER_SLOT) {
827        ALOGE("Invalid sampler slot");
828        return;
829    }
830
831    s->bindToContext(&rsc->mStateSampler, slot);
832}
833
834#ifndef RS_COMPATIBILITY_LIB
835void rsi_ContextBindProgramStore(Context *rsc, RsProgramStore vpfs) {
836    ProgramStore *pfs = static_cast<ProgramStore *>(vpfs);
837    rsc->setProgramStore(pfs);
838}
839
840void rsi_ContextBindProgramFragment(Context *rsc, RsProgramFragment vpf) {
841    ProgramFragment *pf = static_cast<ProgramFragment *>(vpf);
842    rsc->setProgramFragment(pf);
843}
844
845void rsi_ContextBindProgramRaster(Context *rsc, RsProgramRaster vpr) {
846    ProgramRaster *pr = static_cast<ProgramRaster *>(vpr);
847    rsc->setProgramRaster(pr);
848}
849
850void rsi_ContextBindProgramVertex(Context *rsc, RsProgramVertex vpv) {
851    ProgramVertex *pv = static_cast<ProgramVertex *>(vpv);
852    rsc->setProgramVertex(pv);
853}
854
855void rsi_ContextBindFont(Context *rsc, RsFont vfont) {
856    Font *font = static_cast<Font *>(vfont);
857    rsc->setFont(font);
858}
859#endif
860
861void rsi_AssignName(Context *rsc, RsObjectBase obj, const char *name, size_t name_length) {
862    ObjectBase *ob = static_cast<ObjectBase *>(obj);
863    rsc->assignName(ob, name, name_length);
864}
865
866void rsi_ObjDestroy(Context *rsc, void *optr) {
867    ObjectBase *ob = static_cast<ObjectBase *>(optr);
868    rsc->removeName(ob);
869    ob->decUserRef();
870}
871
872#ifndef RS_COMPATIBILITY_LIB
873void rsi_ContextPause(Context *rsc) {
874    rsc->pause();
875}
876
877void rsi_ContextResume(Context *rsc) {
878    rsc->resume();
879}
880
881void rsi_ContextSetSurface(Context *rsc, uint32_t w, uint32_t h, RsNativeWindow sur) {
882    rsc->setSurface(w, h, sur);
883}
884#endif
885
886void rsi_ContextSetPriority(Context *rsc, int32_t p) {
887    rsc->setPriority(p);
888}
889
890void rsi_ContextDump(Context *rsc, int32_t bits) {
891    ObjectBase::dumpAll(rsc);
892}
893
894void rsi_ContextDestroyWorker(Context *rsc) {
895    rsc->destroyWorkerThreadResources();
896}
897
898void rsi_ContextDestroy(Context *rsc) {
899    //ALOGE("%p rsContextDestroy", rsc);
900    rsContextDestroyWorker(rsc);
901    delete rsc;
902    //ALOGV("%p rsContextDestroy done", rsc);
903}
904
905RsMessageToClientType rsi_ContextPeekMessage(Context *rsc,
906                                           size_t * receiveLen, size_t receiveLen_length,
907                                           uint32_t * subID, size_t subID_length) {
908    return rsc->peekMessageToClient(receiveLen, subID);
909}
910
911RsMessageToClientType rsi_ContextGetMessage(Context *rsc, void * data, size_t data_length,
912                                          size_t * receiveLen, size_t receiveLen_length,
913                                          uint32_t * subID, size_t subID_length) {
914    rsAssert(subID_length == sizeof(uint32_t));
915    rsAssert(receiveLen_length == sizeof(size_t));
916    return rsc->getMessageToClient(data, receiveLen, subID, data_length);
917}
918
919void rsi_ContextInitToClient(Context *rsc) {
920    rsc->initToClient();
921}
922
923void rsi_ContextDeinitToClient(Context *rsc) {
924    rsc->deinitToClient();
925}
926
927void rsi_ContextSendMessage(Context *rsc, uint32_t id, const uint8_t *data, size_t len) {
928    rsc->sendMessageToClient(data, RS_MESSAGE_TO_CLIENT_USER, id, len, true);
929}
930
931// implementation of handcode LF_ObjDestroy
932// required so nObjDestroy can be run from finalizer without blocking
933void LF_ObjDestroy_handcode(const Context *rsc, RsAsyncVoidPtr objPtr) {
934    if (((Context *)rsc)->isSynchronous()) {
935        rsi_ObjDestroy((Context *)rsc, objPtr);
936        return;
937    }
938
939    // struct has two parts:
940    // RsPlaybackRemoteHeader (cmdID and bytes)
941    // RS_CMD_ObjDestroy (ptr)
942    struct destroyCmd {
943        uint32_t cmdID;
944        uint32_t bytes;
945        RsAsyncVoidPtr ptr;
946     };
947
948    destroyCmd cmd;
949    cmd.cmdID = RS_CMD_ID_ObjDestroy;
950    cmd.bytes = sizeof(RsAsyncVoidPtr);
951    cmd.ptr = objPtr;
952    ThreadIO *io = &((Context *)rsc)->mIO;
953    io->coreWrite((void*)&cmd, sizeof(destroyCmd));
954
955}
956
957}
958}
959
960extern "C" RsContext rsContextCreate(RsDevice vdev, uint32_t version, uint32_t sdkVersion,
961                                     RsContextType ct, uint32_t flags) {
962    //ALOGV("rsContextCreate dev=%p", vdev);
963    Device * dev = static_cast<Device *>(vdev);
964    Context *rsc = Context::createContext(dev, nullptr, ct, flags);
965    if (rsc) {
966        rsc->setTargetSdkVersion(sdkVersion);
967    }
968    return rsc;
969}
970
971#ifndef RS_COMPATIBILITY_LIB
972RsContext rsContextCreateGL(RsDevice vdev, uint32_t version,
973                            uint32_t sdkVersion, RsSurfaceConfig sc,
974                            uint32_t dpi) {
975    //ALOGV("rsContextCreateGL dev=%p", vdev);
976    Device * dev = static_cast<Device *>(vdev);
977    Context *rsc = Context::createContext(dev, &sc);
978    if (rsc) {
979        rsc->setTargetSdkVersion(sdkVersion);
980        rsc->setDPI(dpi);
981    }
982    //ALOGV("%p rsContextCreateGL ret", rsc);
983    return rsc;
984}
985#endif
986
987// Only to be called at a3d load time, before object is visible to user
988// not thread safe
989void rsaGetName(RsContext con, void * obj, const char **name) {
990    ObjectBase *ob = static_cast<ObjectBase *>(obj);
991    (*name) = ob->getName();
992}
993