rsContext.cpp revision f963cc0ec0a6e34cc32326c4514fa5c452ba2e43 
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(NULL);
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 = NULL;
251
252    driverSO = dlopen(filename, RTLD_LAZY);
253    if (driverSO == NULL) {
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 == NULL) {
265        ALOGW("Falling back to find C++ rsdHalInit: %s", dlerror());
266        halInit = (HalSig) dlsym(driverSO,
267                "_Z10rsdHalInitPN7android12renderscript7ContextEjj");
268    }
269
270    if (halInit == NULL) {
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    bool loadDefault = true;
316
317    // Provide a mechanism for dropping in a different RS driver.
318#ifndef RS_COMPATIBILITY_LIB
319#ifdef OVERRIDE_RS_DRIVER
320#define XSTR(S) #S
321#define STR(S) XSTR(S)
322#define OVERRIDE_RS_DRIVER_STRING STR(OVERRIDE_RS_DRIVER)
323
324    if (getProp("debug.rs.default-CPU-driver") != 0) {
325        ALOGD("Skipping override driver and loading default CPU driver");
326    } else if (rsc->mForceCpu) {
327        ALOGV("Application requested CPU execution");
328    } else if (rsc->getContextType() == RS_CONTEXT_TYPE_DEBUG) {
329        ALOGV("Application requested debug context");
330    } else {
331        if (loadRuntime(OVERRIDE_RS_DRIVER_STRING, rsc)) {
332            ALOGV("Successfully loaded runtime: %s", OVERRIDE_RS_DRIVER_STRING);
333            loadDefault = false;
334        } else {
335            ALOGE("Failed to load runtime %s, loading default", OVERRIDE_RS_DRIVER_STRING);
336        }
337    }
338
339#undef XSTR
340#undef STR
341#endif  // OVERRIDE_RS_DRIVER
342
343    if (loadDefault) {
344        if (!loadRuntime("libRSDriver.so", rsc)) {
345            ALOGE("Failed to load default runtime!");
346            rsc->setError(RS_ERROR_FATAL_DRIVER, "Failed loading RS driver");
347            return NULL;
348        }
349    }
350#else // RS_COMPATIBILITY_LIB
351    if (rsdHalInit(rsc, 0, 0) != true) {
352        return NULL;
353    }
354#endif
355
356
357    rsc->mHal.funcs.setPriority(rsc, rsc->mThreadPriority);
358
359#ifndef RS_COMPATIBILITY_LIB
360    if (rsc->mIsGraphicsContext) {
361        if (!rsc->initGLThread()) {
362            rsc->setError(RS_ERROR_OUT_OF_MEMORY, "Failed initializing GL");
363            return NULL;
364        }
365
366        rsc->mStateRaster.init(rsc);
367        rsc->setProgramRaster(NULL);
368        rsc->mStateVertex.init(rsc);
369        rsc->setProgramVertex(NULL);
370        rsc->mStateFragment.init(rsc);
371        rsc->setProgramFragment(NULL);
372        rsc->mStateFragmentStore.init(rsc);
373        rsc->setProgramStore(NULL);
374        rsc->mStateFont.init(rsc);
375        rsc->setFont(NULL);
376        rsc->mStateSampler.init(rsc);
377        rsc->mFBOCache.init(rsc);
378    }
379#endif
380
381    rsc->mRunning = true;
382
383    if (rsc->isSynchronous()) {
384        return NULL;
385    }
386
387    if (!rsc->mIsGraphicsContext) {
388        while (!rsc->mExit) {
389            rsc->mIO.playCoreCommands(rsc, -1);
390        }
391#ifndef RS_COMPATIBILITY_LIB
392    } else {
393#ifndef ANDROID_RS_SERIALIZE
394        DisplayEventReceiver displayEvent;
395        DisplayEventReceiver::Event eventBuffer[1];
396#endif
397        int vsyncRate = 0;
398        int targetRate = 0;
399
400        bool drawOnce = false;
401        while (!rsc->mExit) {
402            rsc->timerSet(RS_TIMER_IDLE);
403
404#ifndef ANDROID_RS_SERIALIZE
405            if (!rsc->mRootScript.get() || !rsc->mHasSurface || rsc->mPaused) {
406                targetRate = 0;
407            }
408
409            if (vsyncRate != targetRate) {
410                displayEvent.setVsyncRate(targetRate);
411                vsyncRate = targetRate;
412            }
413            if (targetRate) {
414                drawOnce |= rsc->mIO.playCoreCommands(rsc, displayEvent.getFd());
415                while (displayEvent.getEvents(eventBuffer, 1) != 0) {
416                    //ALOGE("vs2 time past %lld", (rsc->getTime() - eventBuffer[0].header.timestamp) / 1000000);
417                }
418            } else
419#endif
420            {
421                drawOnce |= rsc->mIO.playCoreCommands(rsc, -1);
422            }
423
424            if ((rsc->mRootScript.get() != NULL) && rsc->mHasSurface &&
425                (targetRate || drawOnce) && !rsc->mPaused) {
426
427                drawOnce = false;
428                targetRate = ((rsc->runRootScript() + 15) / 16);
429
430                if (rsc->props.mLogVisual) {
431                    rsc->displayDebugStats();
432                }
433
434                rsc->timerSet(RS_TIMER_CLEAR_SWAP);
435                rsc->mHal.funcs.swap(rsc);
436                rsc->timerFrame();
437                rsc->timerSet(RS_TIMER_INTERNAL);
438                rsc->timerPrint();
439                rsc->timerReset();
440            }
441        }
442#endif
443    }
444
445    //ALOGV("%p RS Thread exiting", rsc);
446
447#ifndef RS_COMPATIBILITY_LIB
448    if (rsc->mIsGraphicsContext) {
449        pthread_mutex_lock(&gInitMutex);
450        rsc->deinitEGL();
451        pthread_mutex_unlock(&gInitMutex);
452    }
453#endif
454
455    //ALOGV("%p RS Thread exited", rsc);
456    return NULL;
457}
458
459void Context::destroyWorkerThreadResources() {
460    //ALOGV("destroyWorkerThreadResources 1");
461    ObjectBase::zeroAllUserRef(this);
462#ifndef RS_COMPATIBILITY_LIB
463    if (mIsGraphicsContext) {
464         mRaster.clear();
465         mFragment.clear();
466         mVertex.clear();
467         mFragmentStore.clear();
468         mFont.clear();
469         mRootScript.clear();
470         mStateRaster.deinit(this);
471         mStateVertex.deinit(this);
472         mStateFragment.deinit(this);
473         mStateFragmentStore.deinit(this);
474         mStateFont.deinit(this);
475         mStateSampler.deinit(this);
476         mFBOCache.deinit(this);
477    }
478#endif
479    ObjectBase::freeAllChildren(this);
480    mExit = true;
481    //ALOGV("destroyWorkerThreadResources 2");
482}
483
484void Context::printWatchdogInfo(void *ctx) {
485    Context *rsc = (Context *)ctx;
486    if (rsc->watchdog.command && rsc->watchdog.file) {
487        ALOGE("RS watchdog timeout: %i  %s  line %i %s", rsc->watchdog.inRoot,
488             rsc->watchdog.command, rsc->watchdog.line, rsc->watchdog.file);
489    } else {
490        ALOGE("RS watchdog timeout: %i", rsc->watchdog.inRoot);
491    }
492}
493
494
495void Context::setPriority(int32_t p) {
496    // Note: If we put this in the proper "background" policy
497    // the wallpapers can become completly unresponsive at times.
498    // This is probably not what we want for something the user is actively
499    // looking at.
500    mThreadPriority = p;
501    setpriority(PRIO_PROCESS, mNativeThreadId, p);
502    mHal.funcs.setPriority(this, mThreadPriority);
503}
504
505Context::Context() {
506    mDev = NULL;
507    mRunning = false;
508    mExit = false;
509    mPaused = false;
510    mObjHead = NULL;
511    mError = RS_ERROR_NONE;
512    mTargetSdkVersion = 14;
513    mDPI = 96;
514    mIsContextLite = false;
515    memset(&watchdog, 0, sizeof(watchdog));
516    memset(&mHal, 0, sizeof(mHal));
517    mForceCpu = false;
518    mContextType = RS_CONTEXT_TYPE_NORMAL;
519    mSynchronous = false;
520}
521
522Context * Context::createContext(Device *dev, const RsSurfaceConfig *sc,
523                                 RsContextType ct, uint32_t flags) {
524    Context * rsc = new Context();
525
526    if (flags & RS_CONTEXT_LOW_LATENCY) {
527        rsc->mForceCpu = true;
528    }
529    if (flags & RS_CONTEXT_SYNCHRONOUS) {
530        rsc->mSynchronous = true;
531    }
532    rsc->mContextType = ct;
533
534    if (!rsc->initContext(dev, sc)) {
535        delete rsc;
536        return NULL;
537    }
538    return rsc;
539}
540
541Context * Context::createContextLite() {
542    Context * rsc = new Context();
543    rsc->mIsContextLite = true;
544    return rsc;
545}
546
547bool Context::initContext(Device *dev, const RsSurfaceConfig *sc) {
548    pthread_mutex_lock(&gInitMutex);
549
550    mIO.init();
551    mIO.setTimeoutCallback(printWatchdogInfo, this, 2e9);
552
553    dev->addContext(this);
554    mDev = dev;
555    if (sc) {
556        mUserSurfaceConfig = *sc;
557    } else {
558        memset(&mUserSurfaceConfig, 0, sizeof(mUserSurfaceConfig));
559    }
560
561    mIsGraphicsContext = sc != NULL;
562
563    int status;
564    pthread_attr_t threadAttr;
565
566    pthread_mutex_unlock(&gInitMutex);
567
568    // Global init done at this point.
569
570    status = pthread_attr_init(&threadAttr);
571    if (status) {
572        ALOGE("Failed to init thread attribute.");
573        return false;
574    }
575
576    mHasSurface = false;
577
578    timerInit();
579    timerSet(RS_TIMER_INTERNAL);
580    if (mSynchronous) {
581        threadProc(this);
582    } else {
583        status = pthread_create(&mThreadId, &threadAttr, threadProc, this);
584        if (status) {
585            ALOGE("Failed to start rs context thread.");
586            return false;
587        }
588        while (!mRunning && (mError == RS_ERROR_NONE)) {
589            usleep(100);
590        }
591
592        if (mError != RS_ERROR_NONE) {
593            ALOGE("Errors during thread init");
594            return false;
595        }
596
597        pthread_attr_destroy(&threadAttr);
598    }
599    return true;
600}
601
602Context::~Context() {
603    //ALOGV("%p Context::~Context", this);
604
605    if (!mIsContextLite) {
606        mPaused = false;
607        void *res;
608
609        mIO.shutdown();
610        int status = pthread_join(mThreadId, &res);
611        rsAssert(mExit);
612
613        if (mHal.funcs.shutdownDriver) {
614            mHal.funcs.shutdownDriver(this);
615        }
616
617        // Global structure cleanup.
618        pthread_mutex_lock(&gInitMutex);
619        if (mDev) {
620            mDev->removeContext(this);
621            mDev = NULL;
622        }
623        pthread_mutex_unlock(&gInitMutex);
624    }
625    //ALOGV("%p Context::~Context done", this);
626}
627
628#ifndef RS_COMPATIBILITY_LIB
629void Context::setSurface(uint32_t w, uint32_t h, RsNativeWindow sur) {
630    rsAssert(mIsGraphicsContext);
631    mHal.funcs.setSurface(this, w, h, sur);
632
633    mHasSurface = sur != NULL;
634    mWidth = w;
635    mHeight = h;
636
637    if (mWidth && mHeight) {
638        mStateVertex.updateSize(this);
639        mFBOCache.updateSize();
640    }
641}
642
643uint32_t Context::getCurrentSurfaceWidth() const {
644    for (uint32_t i = 0; i < mFBOCache.mHal.state.colorTargetsCount; i ++) {
645        if (mFBOCache.mHal.state.colorTargets[i] != NULL) {
646            return mFBOCache.mHal.state.colorTargets[i]->getType()->getDimX();
647        }
648    }
649    if (mFBOCache.mHal.state.depthTarget != NULL) {
650        return mFBOCache.mHal.state.depthTarget->getType()->getDimX();
651    }
652    return mWidth;
653}
654
655uint32_t Context::getCurrentSurfaceHeight() const {
656    for (uint32_t i = 0; i < mFBOCache.mHal.state.colorTargetsCount; i ++) {
657        if (mFBOCache.mHal.state.colorTargets[i] != NULL) {
658            return mFBOCache.mHal.state.colorTargets[i]->getType()->getDimY();
659        }
660    }
661    if (mFBOCache.mHal.state.depthTarget != NULL) {
662        return mFBOCache.mHal.state.depthTarget->getType()->getDimY();
663    }
664    return mHeight;
665}
666
667void Context::pause() {
668    rsAssert(mIsGraphicsContext);
669    mPaused = true;
670}
671
672void Context::resume() {
673    rsAssert(mIsGraphicsContext);
674    mPaused = false;
675}
676
677void Context::setRootScript(Script *s) {
678    rsAssert(mIsGraphicsContext);
679    mRootScript.set(s);
680}
681
682void Context::setProgramStore(ProgramStore *pfs) {
683    rsAssert(mIsGraphicsContext);
684    if (pfs == NULL) {
685        mFragmentStore.set(mStateFragmentStore.mDefault);
686    } else {
687        mFragmentStore.set(pfs);
688    }
689}
690
691void Context::setProgramFragment(ProgramFragment *pf) {
692    rsAssert(mIsGraphicsContext);
693    if (pf == NULL) {
694        mFragment.set(mStateFragment.mDefault);
695    } else {
696        mFragment.set(pf);
697    }
698}
699
700void Context::setProgramRaster(ProgramRaster *pr) {
701    rsAssert(mIsGraphicsContext);
702    if (pr == NULL) {
703        mRaster.set(mStateRaster.mDefault);
704    } else {
705        mRaster.set(pr);
706    }
707}
708
709void Context::setProgramVertex(ProgramVertex *pv) {
710    rsAssert(mIsGraphicsContext);
711    if (pv == NULL) {
712        mVertex.set(mStateVertex.mDefault);
713    } else {
714        mVertex.set(pv);
715    }
716}
717
718void Context::setFont(Font *f) {
719    rsAssert(mIsGraphicsContext);
720    if (f == NULL) {
721        mFont.set(mStateFont.mDefault);
722    } else {
723        mFont.set(f);
724    }
725}
726#endif
727
728void Context::finish() {
729    if (mHal.funcs.finish) {
730        mHal.funcs.finish(this);
731    }
732}
733
734void Context::assignName(ObjectBase *obj, const char *name, uint32_t len) {
735    rsAssert(!obj->getName());
736    obj->setName(name, len);
737    mNames.add(obj);
738}
739
740void Context::removeName(ObjectBase *obj) {
741    for (size_t ct=0; ct < mNames.size(); ct++) {
742        if (obj == mNames[ct]) {
743            mNames.removeAt(ct);
744            return;
745        }
746    }
747}
748
749RsMessageToClientType Context::peekMessageToClient(size_t *receiveLen, uint32_t *subID) {
750    return (RsMessageToClientType)mIO.getClientHeader(receiveLen, subID);
751}
752
753RsMessageToClientType Context::getMessageToClient(void *data, size_t *receiveLen, uint32_t *subID, size_t bufferLen) {
754    return (RsMessageToClientType)mIO.getClientPayload(data, receiveLen, subID, bufferLen);
755}
756
757bool Context::sendMessageToClient(const void *data, RsMessageToClientType cmdID,
758                                  uint32_t subID, size_t len, bool waitForSpace) const {
759
760    pthread_mutex_lock(&gMessageMutex);
761    bool ret = mIO.sendToClient(cmdID, subID, data, len, waitForSpace);
762    pthread_mutex_unlock(&gMessageMutex);
763    return ret;
764}
765
766void Context::initToClient() {
767    while (!mRunning) {
768        usleep(100);
769    }
770}
771
772void Context::deinitToClient() {
773    mIO.clientShutdown();
774}
775
776void Context::setError(RsError e, const char *msg) const {
777    mError = e;
778    sendMessageToClient(msg, RS_MESSAGE_TO_CLIENT_ERROR, e, strlen(msg) + 1, true);
779}
780
781
782void Context::dumpDebug() const {
783    ALOGE("RS Context debug %p", this);
784    ALOGE("RS Context debug");
785
786    ALOGE(" RS width %i, height %i", mWidth, mHeight);
787    ALOGE(" RS running %i, exit %i, paused %i", mRunning, mExit, mPaused);
788    ALOGE(" RS pThreadID %li, nativeThreadID %i", (long int)mThreadId, mNativeThreadId);
789}
790
791///////////////////////////////////////////////////////////////////////////////////////////
792//
793
794namespace android {
795namespace renderscript {
796
797void rsi_ContextFinish(Context *rsc) {
798    rsc->finish();
799}
800
801void rsi_ContextBindRootScript(Context *rsc, RsScript vs) {
802#ifndef RS_COMPATIBILITY_LIB
803    Script *s = static_cast<Script *>(vs);
804    rsc->setRootScript(s);
805#endif
806}
807
808void rsi_ContextBindSampler(Context *rsc, uint32_t slot, RsSampler vs) {
809    Sampler *s = static_cast<Sampler *>(vs);
810
811    if (slot > RS_MAX_SAMPLER_SLOT) {
812        ALOGE("Invalid sampler slot");
813        return;
814    }
815
816    s->bindToContext(&rsc->mStateSampler, slot);
817}
818
819#ifndef RS_COMPATIBILITY_LIB
820void rsi_ContextBindProgramStore(Context *rsc, RsProgramStore vpfs) {
821    ProgramStore *pfs = static_cast<ProgramStore *>(vpfs);
822    rsc->setProgramStore(pfs);
823}
824
825void rsi_ContextBindProgramFragment(Context *rsc, RsProgramFragment vpf) {
826    ProgramFragment *pf = static_cast<ProgramFragment *>(vpf);
827    rsc->setProgramFragment(pf);
828}
829
830void rsi_ContextBindProgramRaster(Context *rsc, RsProgramRaster vpr) {
831    ProgramRaster *pr = static_cast<ProgramRaster *>(vpr);
832    rsc->setProgramRaster(pr);
833}
834
835void rsi_ContextBindProgramVertex(Context *rsc, RsProgramVertex vpv) {
836    ProgramVertex *pv = static_cast<ProgramVertex *>(vpv);
837    rsc->setProgramVertex(pv);
838}
839
840void rsi_ContextBindFont(Context *rsc, RsFont vfont) {
841    Font *font = static_cast<Font *>(vfont);
842    rsc->setFont(font);
843}
844#endif
845
846void rsi_AssignName(Context *rsc, RsObjectBase obj, const char *name, size_t name_length) {
847    ObjectBase *ob = static_cast<ObjectBase *>(obj);
848    rsc->assignName(ob, name, name_length);
849}
850
851void rsi_ObjDestroy(Context *rsc, void *optr) {
852    ObjectBase *ob = static_cast<ObjectBase *>(optr);
853    rsc->removeName(ob);
854    ob->decUserRef();
855}
856
857#ifndef RS_COMPATIBILITY_LIB
858void rsi_ContextPause(Context *rsc) {
859    rsc->pause();
860}
861
862void rsi_ContextResume(Context *rsc) {
863    rsc->resume();
864}
865
866void rsi_ContextSetSurface(Context *rsc, uint32_t w, uint32_t h, RsNativeWindow sur) {
867    rsc->setSurface(w, h, sur);
868}
869#endif
870
871void rsi_ContextSetPriority(Context *rsc, int32_t p) {
872    rsc->setPriority(p);
873}
874
875void rsi_ContextDump(Context *rsc, int32_t bits) {
876    ObjectBase::dumpAll(rsc);
877}
878
879void rsi_ContextDestroyWorker(Context *rsc) {
880    rsc->destroyWorkerThreadResources();
881}
882
883void rsi_ContextDestroy(Context *rsc) {
884    //ALOGV("%p rsContextDestroy", rsc);
885    rsContextDestroyWorker(rsc);
886    delete rsc;
887    //ALOGV("%p rsContextDestroy done", rsc);
888}
889
890RsMessageToClientType rsi_ContextPeekMessage(Context *rsc,
891                                           size_t * receiveLen, size_t receiveLen_length,
892                                           uint32_t * subID, size_t subID_length) {
893    return rsc->peekMessageToClient(receiveLen, subID);
894}
895
896RsMessageToClientType rsi_ContextGetMessage(Context *rsc, void * data, size_t data_length,
897                                          size_t * receiveLen, size_t receiveLen_length,
898                                          uint32_t * subID, size_t subID_length) {
899    rsAssert(subID_length == sizeof(uint32_t));
900    rsAssert(receiveLen_length == sizeof(size_t));
901    return rsc->getMessageToClient(data, receiveLen, subID, data_length);
902}
903
904void rsi_ContextInitToClient(Context *rsc) {
905    rsc->initToClient();
906}
907
908void rsi_ContextDeinitToClient(Context *rsc) {
909    rsc->deinitToClient();
910}
911
912void rsi_ContextSendMessage(Context *rsc, uint32_t id, const uint8_t *data, size_t len) {
913    rsc->sendMessageToClient(data, RS_MESSAGE_TO_CLIENT_USER, id, len, true);
914}
915
916// implementation of handcode LF_ObjDestroy
917// required so nObjDestroy can be run from finalizer without blocking
918void LF_ObjDestroy_handcode(const Context *rsc, RsAsyncVoidPtr objPtr) {
919    if (((Context *)rsc)->isSynchronous()) {
920        rsi_ObjDestroy((Context *)rsc, objPtr);
921        return;
922    }
923
924    // struct has two parts:
925    // RsPlaybackRemoteHeader (cmdID and bytes)
926    // RS_CMD_ObjDestroy (ptr)
927    struct destroyCmd {
928        uint32_t cmdID;
929        uint32_t bytes;
930        RsAsyncVoidPtr ptr;
931     };
932
933    destroyCmd cmd;
934    cmd.cmdID = RS_CMD_ID_ObjDestroy;
935    cmd.bytes = sizeof(RsAsyncVoidPtr);
936    cmd.ptr = objPtr;
937    ThreadIO *io = &((Context *)rsc)->mIO;
938    io->coreWrite((void*)&cmd, sizeof(destroyCmd));
939
940}
941
942}
943}
944
945extern "C" RsContext rsContextCreate(RsDevice vdev, uint32_t version, uint32_t sdkVersion,
946                                     RsContextType ct, uint32_t flags) {
947    //ALOGV("rsContextCreate dev=%p", vdev);
948    Device * dev = static_cast<Device *>(vdev);
949    Context *rsc = Context::createContext(dev, NULL, ct, flags);
950    if (rsc) {
951        rsc->setTargetSdkVersion(sdkVersion);
952    }
953    return rsc;
954}
955
956#ifndef RS_COMPATIBILITY_LIB
957RsContext rsContextCreateGL(RsDevice vdev, uint32_t version,
958                            uint32_t sdkVersion, RsSurfaceConfig sc,
959                            uint32_t dpi) {
960    //ALOGV("rsContextCreateGL dev=%p", vdev);
961    Device * dev = static_cast<Device *>(vdev);
962    Context *rsc = Context::createContext(dev, &sc);
963    if (rsc) {
964        rsc->setTargetSdkVersion(sdkVersion);
965        rsc->setDPI(dpi);
966    }
967    //ALOGV("%p rsContextCreateGL ret", rsc);
968    return rsc;
969}
970#endif
971
972// Only to be called at a3d load time, before object is visible to user
973// not thread safe
974void rsaGetName(RsContext con, void * obj, const char **name) {
975    ObjectBase *ob = static_cast<ObjectBase *>(obj);
976    (*name) = ob->getName();
977}
978
979