rsContext.cpp revision abe31c581489727afa84f9b756f0d2a0f4be057e 
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(__ANDROID__)
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(__ANDROID__)
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.mLogReduceAccum = getProp("debug.rs.reduce-accum") != 0;
263    rsc->props.mDebugReduceSplitAccum = getProp("debug.rs.reduce-split-accum") != 0;
264    rsc->props.mDebugMaxThreads = getProp("debug.rs.max-threads");
265
266    if (getProp("debug.rs.debug") != 0) {
267        ALOGD("Forcing debug context due to debug.rs.debug.");
268        rsc->mContextType = RS_CONTEXT_TYPE_DEBUG;
269        rsc->mForceCpu = true;
270    }
271
272    bool forceCpu = getProp("debug.rs.default-CPU-driver") != 0;
273    if (forceCpu) {
274        ALOGD("Skipping hardware driver and loading default CPU driver");
275        rsc->mForceCpu = true;
276    }
277
278    rsc->mForceCpu |= rsc->mIsGraphicsContext;
279    rsc->loadDriver(rsc->mForceCpu);
280
281    if (!rsc->isSynchronous()) {
282        // Due to legacy we default to normal_graphics
283        // setPriority will make the adjustments as needed.
284        rsc->setPriority(RS_THREAD_PRIORITY_NORMAL_GRAPHICS);
285    }
286
287#ifndef RS_COMPATIBILITY_LIB
288    if (rsc->mIsGraphicsContext) {
289        if (!rsc->initGLThread()) {
290            rsc->setError(RS_ERROR_OUT_OF_MEMORY, "Failed initializing GL");
291            return nullptr;
292        }
293
294        rsc->mStateRaster.init(rsc);
295        rsc->setProgramRaster(nullptr);
296        rsc->mStateVertex.init(rsc);
297        rsc->setProgramVertex(nullptr);
298        rsc->mStateFragment.init(rsc);
299        rsc->setProgramFragment(nullptr);
300        rsc->mStateFragmentStore.init(rsc);
301        rsc->setProgramStore(nullptr);
302        rsc->mStateFont.init(rsc);
303        rsc->setFont(nullptr);
304        rsc->mStateSampler.init(rsc);
305        rsc->mFBOCache.init(rsc);
306    }
307#endif
308
309    rsc->mRunning = true;
310
311    if (rsc->isSynchronous()) {
312        return nullptr;
313    }
314
315    if (!rsc->mIsGraphicsContext) {
316        while (!rsc->mExit) {
317            rsc->mIO.playCoreCommands(rsc, -1);
318        }
319#ifndef RS_COMPATIBILITY_LIB
320    } else {
321#ifndef ANDROID_RS_SERIALIZE
322        DisplayEventReceiver displayEvent;
323        DisplayEventReceiver::Event eventBuffer[1];
324#endif
325        int vsyncRate = 0;
326        int targetRate = 0;
327
328        bool drawOnce = false;
329        while (!rsc->mExit) {
330            rsc->timerSet(RS_TIMER_IDLE);
331
332#ifndef ANDROID_RS_SERIALIZE
333            if (!rsc->mRootScript.get() || !rsc->mHasSurface || rsc->mPaused) {
334                targetRate = 0;
335            }
336
337            if (vsyncRate != targetRate) {
338                displayEvent.setVsyncRate(targetRate);
339                vsyncRate = targetRate;
340            }
341            if (targetRate) {
342                drawOnce |= rsc->mIO.playCoreCommands(rsc, displayEvent.getFd());
343                while (displayEvent.getEvents(eventBuffer, 1) != 0) {
344                    //ALOGE("vs2 time past %lld", (rsc->getTime() - eventBuffer[0].header.timestamp) / 1000000);
345                }
346            } else
347#endif
348            {
349                drawOnce |= rsc->mIO.playCoreCommands(rsc, -1);
350            }
351
352            if ((rsc->mRootScript.get() != nullptr) && rsc->mHasSurface &&
353                (targetRate || drawOnce) && !rsc->mPaused) {
354
355                drawOnce = false;
356                targetRate = ((rsc->runRootScript() + 15) / 16);
357
358                if (rsc->props.mLogVisual) {
359                    rsc->displayDebugStats();
360                }
361
362                rsc->timerSet(RS_TIMER_CLEAR_SWAP);
363                rsc->mHal.funcs.swap(rsc);
364                rsc->timerFrame();
365                rsc->timerSet(RS_TIMER_INTERNAL);
366                rsc->timerPrint();
367                rsc->timerReset();
368            }
369        }
370#endif
371    }
372
373    //ALOGV("%p RS Thread exiting", rsc);
374
375#ifndef RS_COMPATIBILITY_LIB
376    if (rsc->mIsGraphicsContext) {
377        pthread_mutex_lock(&gInitMutex);
378        rsc->deinitEGL();
379        pthread_mutex_unlock(&gInitMutex);
380    }
381#endif
382
383    //ALOGV("%p RS Thread exited", rsc);
384    return nullptr;
385}
386
387void Context::destroyWorkerThreadResources() {
388    //ALOGV("destroyWorkerThreadResources 1");
389    ObjectBase::zeroAllUserRef(this);
390#ifndef RS_COMPATIBILITY_LIB
391    if (mIsGraphicsContext) {
392         mRaster.clear();
393         mFragment.clear();
394         mVertex.clear();
395         mFragmentStore.clear();
396         mFont.clear();
397         mRootScript.clear();
398         mStateRaster.deinit(this);
399         mStateVertex.deinit(this);
400         mStateFragment.deinit(this);
401         mStateFragmentStore.deinit(this);
402         mStateFont.deinit(this);
403         mStateSampler.deinit(this);
404         mFBOCache.deinit(this);
405    }
406#endif
407    ObjectBase::freeAllChildren(this);
408    mExit = true;
409    //ALOGV("destroyWorkerThreadResources 2");
410}
411
412void Context::printWatchdogInfo(void *ctx) {
413    Context *rsc = (Context *)ctx;
414    if (rsc->watchdog.command && rsc->watchdog.file) {
415        ALOGE("RS watchdog timeout: %i  %s  line %i %s", rsc->watchdog.inRoot,
416             rsc->watchdog.command, rsc->watchdog.line, rsc->watchdog.file);
417    } else {
418        ALOGE("RS watchdog timeout: %i", rsc->watchdog.inRoot);
419    }
420}
421
422
423void Context::setPriority(int32_t p) {
424    switch (p) {
425    // The public API will always send NORMAL_GRAPHICS
426    // for normal, we adjust here
427    case RS_THREAD_PRIORITY_NORMAL_GRAPHICS:
428        if (mIsGraphicsContext) {
429            break;
430        } else {
431            if (mHal.flags & RS_CONTEXT_LOW_LATENCY) {
432                p = RS_THREAD_PRIORITY_LOW_LATENCY;
433            } else {
434                p = RS_THREAD_PRIORITY_NORMAL;
435            }
436        }
437    case RS_THREAD_PRIORITY_LOW:
438        break;
439    }
440
441    // Note: If we put this in the proper "background" policy
442    // the wallpapers can become completly unresponsive at times.
443    // This is probably not what we want for something the user is actively
444    // looking at.
445    mThreadPriority = p;
446    setpriority(PRIO_PROCESS, mNativeThreadId, p);
447    mHal.funcs.setPriority(this, mThreadPriority);
448}
449
450Context::Context() {
451    mDev = nullptr;
452    mRunning = false;
453    mExit = false;
454    mPaused = false;
455    mObjHead = nullptr;
456    mError = RS_ERROR_NONE;
457    mTargetSdkVersion = 14;
458    mDPI = 96;
459    mIsContextLite = false;
460    memset(&watchdog, 0, sizeof(watchdog));
461    memset(&mHal, 0, sizeof(mHal));
462    mForceCpu = false;
463    mContextType = RS_CONTEXT_TYPE_NORMAL;
464    mOptLevel = 3;
465    mSynchronous = false;
466    mFatalErrorOccured = false;
467
468    memset(mCacheDir, 0, sizeof(mCacheDir));
469#ifdef RS_COMPATIBILITY_LIB
470    memset(nativeLibDir, 0, sizeof(nativeLibDir));
471#endif
472}
473
474void Context::setCacheDir(const char * cacheDir_arg, uint32_t length) {
475    if (!hasSetCacheDir) {
476        if (length <= PATH_MAX) {
477            memcpy(mCacheDir, cacheDir_arg, length);
478            mCacheDir[length] = 0;
479            hasSetCacheDir = true;
480        } else {
481            setError(RS_ERROR_BAD_VALUE, "Invalid path");
482        }
483    }
484}
485
486void Context::waitForDebugger() {
487    while (!gDebuggerPresent) {
488        sleep(0);
489    }
490}
491
492Context * Context::createContext(Device *dev, const RsSurfaceConfig *sc,
493                                 RsContextType ct, uint32_t flags) {
494    Context * rsc = new Context();
495
496    if (flags & RS_CONTEXT_LOW_LATENCY) {
497        rsc->mForceCpu = true;
498    }
499    if (flags & RS_CONTEXT_SYNCHRONOUS) {
500        rsc->mSynchronous = true;
501    }
502    rsc->mContextType = ct;
503    rsc->mHal.flags = flags;
504
505    if (!rsc->initContext(dev, sc)) {
506        delete rsc;
507        return nullptr;
508    }
509
510    if (flags & RS_CONTEXT_WAIT_FOR_ATTACH) {
511        rsc->waitForDebugger();
512    }
513
514    return rsc;
515}
516
517Context * Context::createContextLite() {
518    Context * rsc = new Context();
519    rsc->mIsContextLite = true;
520    return rsc;
521}
522
523bool Context::initContext(Device *dev, const RsSurfaceConfig *sc) {
524    pthread_mutex_lock(&gInitMutex);
525
526    mIO.init();
527    mIO.setTimeoutCallback(printWatchdogInfo, this, 2e9);
528
529    dev->addContext(this);
530    mDev = dev;
531    if (sc) {
532        mUserSurfaceConfig = *sc;
533    } else {
534        memset(&mUserSurfaceConfig, 0, sizeof(mUserSurfaceConfig));
535    }
536
537    mIsGraphicsContext = sc != nullptr;
538
539    int status;
540    pthread_attr_t threadAttr;
541
542    pthread_mutex_unlock(&gInitMutex);
543
544    // Global init done at this point.
545
546    status = pthread_attr_init(&threadAttr);
547    if (status) {
548        ALOGE("Failed to init thread attribute.");
549        return false;
550    }
551
552    mHasSurface = false;
553    mDriverName = NULL;
554
555    timerInit();
556    timerSet(RS_TIMER_INTERNAL);
557    if (mSynchronous) {
558        threadProc(this);
559
560        if (mError != RS_ERROR_NONE) {
561            ALOGE("Errors during thread init (sync mode)");
562            return false;
563        }
564    } else {
565        status = pthread_create(&mThreadId, &threadAttr, threadProc, this);
566        if (status) {
567            ALOGE("Failed to start rs context thread.");
568            return false;
569        }
570        while (!mRunning && (mError == RS_ERROR_NONE)) {
571            usleep(100);
572        }
573
574        if (mError != RS_ERROR_NONE) {
575            ALOGE("Errors during thread init");
576            return false;
577        }
578
579        pthread_attr_destroy(&threadAttr);
580    }
581    return true;
582}
583
584Context::~Context() {
585    //ALOGV("%p Context::~Context", this);
586
587    if (!mIsContextLite) {
588        mPaused = false;
589        void *res;
590
591        mIO.shutdown();
592        if (!mSynchronous) {
593            pthread_join(mThreadId, &res);
594        }
595        rsAssert(mExit);
596
597        if (mHal.funcs.shutdownDriver && mHal.drv) {
598            mHal.funcs.shutdownDriver(this);
599        }
600
601        // Global structure cleanup.
602        pthread_mutex_lock(&gInitMutex);
603        if (mDev) {
604            mDev->removeContext(this);
605            mDev = nullptr;
606        }
607        pthread_mutex_unlock(&gInitMutex);
608    }
609    //ALOGV("%p Context::~Context done", this);
610}
611
612#ifndef RS_COMPATIBILITY_LIB
613void Context::setSurface(uint32_t w, uint32_t h, RsNativeWindow sur) {
614    rsAssert(mIsGraphicsContext);
615    mHal.funcs.setSurface(this, w, h, sur);
616
617    mHasSurface = sur != nullptr;
618    mWidth = w;
619    mHeight = h;
620
621    if (mWidth && mHeight) {
622        mStateVertex.updateSize(this);
623        mFBOCache.updateSize();
624    }
625}
626
627uint32_t Context::getCurrentSurfaceWidth() const {
628    for (uint32_t i = 0; i < mFBOCache.mHal.state.colorTargetsCount; i ++) {
629        if (mFBOCache.mHal.state.colorTargets[i] != nullptr) {
630            return mFBOCache.mHal.state.colorTargets[i]->getType()->getDimX();
631        }
632    }
633    if (mFBOCache.mHal.state.depthTarget != nullptr) {
634        return mFBOCache.mHal.state.depthTarget->getType()->getDimX();
635    }
636    return mWidth;
637}
638
639uint32_t Context::getCurrentSurfaceHeight() const {
640    for (uint32_t i = 0; i < mFBOCache.mHal.state.colorTargetsCount; i ++) {
641        if (mFBOCache.mHal.state.colorTargets[i] != nullptr) {
642            return mFBOCache.mHal.state.colorTargets[i]->getType()->getDimY();
643        }
644    }
645    if (mFBOCache.mHal.state.depthTarget != nullptr) {
646        return mFBOCache.mHal.state.depthTarget->getType()->getDimY();
647    }
648    return mHeight;
649}
650
651void Context::pause() {
652    rsAssert(mIsGraphicsContext);
653    mPaused = true;
654}
655
656void Context::resume() {
657    rsAssert(mIsGraphicsContext);
658    mPaused = false;
659}
660
661void Context::setRootScript(Script *s) {
662    rsAssert(mIsGraphicsContext);
663    mRootScript.set(s);
664}
665
666void Context::setProgramStore(ProgramStore *pfs) {
667    rsAssert(mIsGraphicsContext);
668    if (pfs == nullptr) {
669        mFragmentStore.set(mStateFragmentStore.mDefault);
670    } else {
671        mFragmentStore.set(pfs);
672    }
673}
674
675void Context::setProgramFragment(ProgramFragment *pf) {
676    rsAssert(mIsGraphicsContext);
677    if (pf == nullptr) {
678        mFragment.set(mStateFragment.mDefault);
679    } else {
680        mFragment.set(pf);
681    }
682}
683
684void Context::setProgramRaster(ProgramRaster *pr) {
685    rsAssert(mIsGraphicsContext);
686    if (pr == nullptr) {
687        mRaster.set(mStateRaster.mDefault);
688    } else {
689        mRaster.set(pr);
690    }
691}
692
693void Context::setProgramVertex(ProgramVertex *pv) {
694    rsAssert(mIsGraphicsContext);
695    if (pv == nullptr) {
696        mVertex.set(mStateVertex.mDefault);
697    } else {
698        mVertex.set(pv);
699    }
700}
701
702void Context::setFont(Font *f) {
703    rsAssert(mIsGraphicsContext);
704    if (f == nullptr) {
705        mFont.set(mStateFont.mDefault);
706    } else {
707        mFont.set(f);
708    }
709}
710#endif
711
712void Context::finish() {
713    if (mHal.funcs.finish) {
714        mHal.funcs.finish(this);
715    }
716}
717
718void Context::assignName(ObjectBase *obj, const char *name, uint32_t len) {
719    rsAssert(!obj->getName());
720    obj->setName(name, len);
721    mNames.add(obj);
722}
723
724void Context::removeName(ObjectBase *obj) {
725    for (size_t ct=0; ct < mNames.size(); ct++) {
726        if (obj == mNames[ct]) {
727            mNames.removeAt(ct);
728            return;
729        }
730    }
731}
732
733RsMessageToClientType Context::peekMessageToClient(size_t *receiveLen, uint32_t *subID) {
734    return (RsMessageToClientType)mIO.getClientHeader(receiveLen, subID);
735}
736
737RsMessageToClientType Context::getMessageToClient(void *data, size_t *receiveLen, uint32_t *subID, size_t bufferLen) {
738    return (RsMessageToClientType)mIO.getClientPayload(data, receiveLen, subID, bufferLen);
739}
740
741bool Context::sendMessageToClient(const void *data, RsMessageToClientType cmdID,
742                                  uint32_t subID, size_t len, bool waitForSpace) const {
743
744    pthread_mutex_lock(&gMessageMutex);
745    bool ret = mIO.sendToClient(cmdID, subID, data, len, waitForSpace);
746    pthread_mutex_unlock(&gMessageMutex);
747    return ret;
748}
749
750void Context::initToClient() {
751    while (!mRunning) {
752        usleep(100);
753    }
754}
755
756void Context::deinitToClient() {
757    mIO.clientShutdown();
758}
759
760void Context::setError(RsError e, const char *msg) const {
761    mError = e;
762
763    if (mError >= RS_ERROR_FATAL_DEBUG) {
764        // If a FATAL error occurred, set the flag to indicate the process
765        // will be goign down
766        mFatalErrorOccured = true;
767    }
768
769    sendMessageToClient(msg, RS_MESSAGE_TO_CLIENT_ERROR, e, strlen(msg) + 1, true);
770}
771
772
773void Context::dumpDebug() const {
774    ALOGE("RS Context debug %p", this);
775    ALOGE("RS Context debug");
776
777    ALOGE(" RS width %i, height %i", mWidth, mHeight);
778    ALOGE(" RS running %i, exit %i, paused %i", mRunning, mExit, mPaused);
779    ALOGE(" RS pThreadID %li, nativeThreadID %i", (long int)mThreadId, mNativeThreadId);
780}
781
782///////////////////////////////////////////////////////////////////////////////////////////
783//
784
785namespace android {
786namespace renderscript {
787
788void rsi_ContextFinish(Context *rsc) {
789    rsc->finish();
790}
791
792void rsi_ContextBindRootScript(Context *rsc, RsScript vs) {
793#ifndef RS_COMPATIBILITY_LIB
794    Script *s = static_cast<Script *>(vs);
795    rsc->setRootScript(s);
796#endif
797}
798
799void rsi_ContextSetCacheDir(Context *rsc, const char *cacheDir, size_t cacheDir_length) {
800    rsc->setCacheDir(cacheDir, cacheDir_length);
801}
802
803void rsi_ContextBindSampler(Context *rsc, uint32_t slot, RsSampler vs) {
804    Sampler *s = static_cast<Sampler *>(vs);
805
806    if (slot > RS_MAX_SAMPLER_SLOT) {
807        ALOGE("Invalid sampler slot");
808        return;
809    }
810
811    s->bindToContext(&rsc->mStateSampler, slot);
812}
813
814#ifndef RS_COMPATIBILITY_LIB
815void rsi_ContextBindProgramStore(Context *rsc, RsProgramStore vpfs) {
816    ProgramStore *pfs = static_cast<ProgramStore *>(vpfs);
817    rsc->setProgramStore(pfs);
818}
819
820void rsi_ContextBindProgramFragment(Context *rsc, RsProgramFragment vpf) {
821    ProgramFragment *pf = static_cast<ProgramFragment *>(vpf);
822    rsc->setProgramFragment(pf);
823}
824
825void rsi_ContextBindProgramRaster(Context *rsc, RsProgramRaster vpr) {
826    ProgramRaster *pr = static_cast<ProgramRaster *>(vpr);
827    rsc->setProgramRaster(pr);
828}
829
830void rsi_ContextBindProgramVertex(Context *rsc, RsProgramVertex vpv) {
831    ProgramVertex *pv = static_cast<ProgramVertex *>(vpv);
832    rsc->setProgramVertex(pv);
833}
834
835void rsi_ContextBindFont(Context *rsc, RsFont vfont) {
836    Font *font = static_cast<Font *>(vfont);
837    rsc->setFont(font);
838}
839#endif
840
841void rsi_AssignName(Context *rsc, RsObjectBase obj, const char *name, size_t name_length) {
842    ObjectBase *ob = static_cast<ObjectBase *>(obj);
843    rsc->assignName(ob, name, name_length);
844}
845
846void rsi_ObjDestroy(Context *rsc, void *optr) {
847    ObjectBase *ob = static_cast<ObjectBase *>(optr);
848    rsc->removeName(ob);
849    ob->decUserRef();
850}
851
852#ifndef RS_COMPATIBILITY_LIB
853void rsi_ContextPause(Context *rsc) {
854    rsc->pause();
855}
856
857void rsi_ContextResume(Context *rsc) {
858    rsc->resume();
859}
860
861void rsi_ContextSetSurface(Context *rsc, uint32_t w, uint32_t h, RsNativeWindow sur) {
862    rsc->setSurface(w, h, sur);
863}
864#endif
865
866void rsi_ContextSetPriority(Context *rsc, int32_t p) {
867    rsc->setPriority(p);
868}
869
870void rsi_ContextDump(Context *rsc, int32_t bits) {
871    ObjectBase::dumpAll(rsc);
872}
873
874void rsi_ContextDestroyWorker(Context *rsc) {
875    rsc->destroyWorkerThreadResources();
876}
877
878void rsi_ContextDestroy(Context *rsc) {
879    //ALOGE("%p rsContextDestroy", rsc);
880    rsc->destroyWorkerThreadResources();
881    delete rsc;
882    //ALOGV("%p rsContextDestroy done", rsc);
883}
884
885RsMessageToClientType rsi_ContextPeekMessage(Context *rsc,
886                                           size_t * receiveLen, size_t receiveLen_length,
887                                           uint32_t * subID, size_t subID_length) {
888    return rsc->peekMessageToClient(receiveLen, subID);
889}
890
891RsMessageToClientType rsi_ContextGetMessage(Context *rsc, void * data, size_t data_length,
892                                          size_t * receiveLen, size_t receiveLen_length,
893                                          uint32_t * subID, size_t subID_length) {
894    rsAssert(subID_length == sizeof(uint32_t));
895    rsAssert(receiveLen_length == sizeof(size_t));
896    return rsc->getMessageToClient(data, receiveLen, subID, data_length);
897}
898
899void rsi_ContextInitToClient(Context *rsc) {
900    rsc->initToClient();
901}
902
903void rsi_ContextDeinitToClient(Context *rsc) {
904    rsc->deinitToClient();
905}
906
907void rsi_ContextSendMessage(Context *rsc, uint32_t id, const uint8_t *data, size_t len) {
908    rsc->sendMessageToClient(data, RS_MESSAGE_TO_CLIENT_USER, id, len, true);
909}
910
911// implementation of handcode LF_ObjDestroy
912// required so nObjDestroy can be run from finalizer without blocking
913void LF_ObjDestroy_handcode(const Context *rsc, RsAsyncVoidPtr objPtr) {
914    if (((Context *)rsc)->isSynchronous()) {
915        rsi_ObjDestroy((Context *)rsc, objPtr);
916        return;
917    }
918
919    // struct has two parts:
920    // RsPlaybackRemoteHeader (cmdID and bytes)
921    // RS_CMD_ObjDestroy (ptr)
922    struct destroyCmd {
923        uint32_t cmdID;
924        uint32_t bytes;
925        RsAsyncVoidPtr ptr;
926     };
927
928    destroyCmd cmd;
929    cmd.cmdID = RS_CMD_ID_ObjDestroy;
930    cmd.bytes = sizeof(RsAsyncVoidPtr);
931    cmd.ptr = objPtr;
932    ThreadIO *io = &((Context *)rsc)->mIO;
933    io->coreWrite((void*)&cmd, sizeof(destroyCmd));
934
935}
936
937}
938}
939