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 <ui/FramebufferNativeWindow.h>
27#include <gui/DisplayEventReceiver.h>
28#endif
29
30#include <sys/types.h>
31#include <sys/resource.h>
32#include <sched.h>
33
34#include <sys/syscall.h>
35#include <string.h>
36#include <dlfcn.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%% (%lli),  Internal %2.1f%% (%lli), Avg fps: %u",
188             mTimeMSLastFrame,
189             100.0 * mTimers[RS_TIMER_SCRIPT] / total, mTimeMSLastScript,
190             100.0 * mTimers[RS_TIMER_CLEAR_SWAP] / total, mTimeMSLastSwap,
191             100.0 * mTimers[RS_TIMER_IDLE] / total, mTimers[RS_TIMER_IDLE] / 1000000,
192             100.0 * mTimers[RS_TIMER_INTERNAL] / total, mTimers[RS_TIMER_INTERNAL] / 1000000,
193             mAverageFPS);
194    }
195}
196
197bool Context::setupCheck() {
198#ifndef RS_COMPATIBILITY_LIB
199    mFragmentStore->setup(this, &mStateFragmentStore);
200    mFragment->setup(this, &mStateFragment);
201    mRaster->setup(this, &mStateRaster);
202    mVertex->setup(this, &mStateVertex);
203    mFBOCache.setup(this);
204#endif
205    return true;
206}
207
208#ifndef RS_COMPATIBILITY_LIB
209void Context::setupProgramStore() {
210    mFragmentStore->setup(this, &mStateFragmentStore);
211}
212#endif
213
214static uint32_t getProp(const char *str) {
215#if !defined(RS_SERVER) && defined(HAVE_ANDROID_OS)
216    char buf[PROPERTY_VALUE_MAX];
217    property_get(str, buf, "0");
218    return atoi(buf);
219#else
220    return 0;
221#endif
222}
223
224void Context::displayDebugStats() {
225#ifndef RS_COMPATIBILITY_LIB
226    char buffer[128];
227    sprintf(buffer, "Avg fps %u, Frame %i ms, Script %i ms", mAverageFPS, mTimeMSLastFrame, mTimeMSLastScript);
228    float oldR, oldG, oldB, oldA;
229    mStateFont.getFontColor(&oldR, &oldG, &oldB, &oldA);
230    uint32_t bufferLen = strlen(buffer);
231
232    ObjectBaseRef<Font> lastFont(getFont());
233    setFont(NULL);
234    float shadowCol = 0.1f;
235    mStateFont.setFontColor(shadowCol, shadowCol, shadowCol, 1.0f);
236    mStateFont.renderText(buffer, bufferLen, 5, getHeight() - 6);
237
238    mStateFont.setFontColor(1.0f, 0.7f, 0.0f, 1.0f);
239    mStateFont.renderText(buffer, bufferLen, 4, getHeight() - 7);
240
241    setFont(lastFont.get());
242    mStateFont.setFontColor(oldR, oldG, oldB, oldA);
243#endif
244}
245
246bool Context::loadRuntime(const char* filename, Context* rsc) {
247
248    // TODO: store the driverSO somewhere so we can dlclose later
249    void *driverSO = NULL;
250
251    driverSO = dlopen(filename, RTLD_LAZY);
252    if (driverSO == NULL) {
253        ALOGE("Failed loading RS driver: %s", dlerror());
254        return false;
255    }
256
257    // Need to call dlerror() to clear buffer before using it for dlsym().
258    (void) dlerror();
259    typedef bool (*HalSig)(Context*, uint32_t, uint32_t);
260    HalSig halInit = (HalSig) dlsym(driverSO, "rsdHalInit");
261
262    // If we can't find the C variant, we go looking for the C++ version.
263    if (halInit == NULL) {
264        ALOGW("Falling back to find C++ rsdHalInit: %s", dlerror());
265        halInit = (HalSig) dlsym(driverSO,
266                "_Z10rsdHalInitPN7android12renderscript7ContextEjj");
267    }
268
269    if (halInit == NULL) {
270        dlclose(driverSO);
271        ALOGE("Failed to find rsdHalInit: %s", dlerror());
272        return false;
273    }
274
275    if (!(*halInit)(rsc, 0, 0)) {
276        dlclose(driverSO);
277        ALOGE("Hal init failed");
278        return false;
279    }
280
281    //validate HAL struct
282
283
284    return true;
285}
286
287extern "C" bool rsdHalInit(RsContext c, uint32_t version_major, uint32_t version_minor);
288
289void * Context::threadProc(void *vrsc) {
290    Context *rsc = static_cast<Context *>(vrsc);
291#ifndef ANDROID_RS_SERIALIZE
292    rsc->mNativeThreadId = gettid();
293#ifndef RS_COMPATIBILITY_LIB
294    if (!rsc->isSynchronous()) {
295        setpriority(PRIO_PROCESS, rsc->mNativeThreadId, ANDROID_PRIORITY_DISPLAY);
296    }
297    rsc->mThreadPriority = ANDROID_PRIORITY_DISPLAY;
298#else
299    if (!rsc->isSynchronous()) {
300        setpriority(PRIO_PROCESS, rsc->mNativeThreadId, -4);
301    }
302    rsc->mThreadPriority = -4;
303#endif
304#endif //ANDROID_RS_SERIALIZE
305    rsc->props.mLogTimes = getProp("debug.rs.profile") != 0;
306    rsc->props.mLogScripts = getProp("debug.rs.script") != 0;
307    rsc->props.mLogObjects = getProp("debug.rs.object") != 0;
308    rsc->props.mLogShaders = getProp("debug.rs.shader") != 0;
309    rsc->props.mLogShadersAttr = getProp("debug.rs.shader.attributes") != 0;
310    rsc->props.mLogShadersUniforms = getProp("debug.rs.shader.uniforms") != 0;
311    rsc->props.mLogVisual = getProp("debug.rs.visual") != 0;
312    rsc->props.mDebugMaxThreads = getProp("debug.rs.max-threads");
313
314    bool loadDefault = true;
315
316    // Provide a mechanism for dropping in a different RS driver.
317#ifndef RS_COMPATIBILITY_LIB
318#ifdef OVERRIDE_RS_DRIVER
319#define XSTR(S) #S
320#define STR(S) XSTR(S)
321#define OVERRIDE_RS_DRIVER_STRING STR(OVERRIDE_RS_DRIVER)
322
323    if (getProp("debug.rs.default-CPU-driver") != 0) {
324        ALOGE("Skipping override driver and loading default CPU driver");
325    } else if (rsc->mForceCpu) {
326        ALOGV("Application requested CPU execution");
327    } else if (rsc->getContextType() == RS_CONTEXT_TYPE_DEBUG) {
328        ALOGV("Application requested debug context");
329    } else {
330        if (loadRuntime(OVERRIDE_RS_DRIVER_STRING, rsc)) {
331            ALOGE("Successfully loaded runtime: %s", OVERRIDE_RS_DRIVER_STRING);
332            loadDefault = false;
333        } else {
334            ALOGE("Failed to load runtime %s, loading default", OVERRIDE_RS_DRIVER_STRING);
335        }
336    }
337
338#undef XSTR
339#undef STR
340#endif  // OVERRIDE_RS_DRIVER
341
342    if (loadDefault) {
343        if (!loadRuntime("libRSDriver.so", rsc)) {
344            ALOGE("Failed to load default runtime!");
345            rsc->setError(RS_ERROR_FATAL_DRIVER, "Failed loading RS driver");
346            return NULL;
347        }
348    }
349#else // RS_COMPATIBILITY_LIB
350    if (rsdHalInit(rsc, 0, 0) != true) {
351        return NULL;
352    }
353#endif
354
355
356    rsc->mHal.funcs.setPriority(rsc, rsc->mThreadPriority);
357
358#ifndef RS_COMPATIBILITY_LIB
359    if (rsc->mIsGraphicsContext) {
360        if (!rsc->initGLThread()) {
361            rsc->setError(RS_ERROR_OUT_OF_MEMORY, "Failed initializing GL");
362            return NULL;
363        }
364
365        rsc->mStateRaster.init(rsc);
366        rsc->setProgramRaster(NULL);
367        rsc->mStateVertex.init(rsc);
368        rsc->setProgramVertex(NULL);
369        rsc->mStateFragment.init(rsc);
370        rsc->setProgramFragment(NULL);
371        rsc->mStateFragmentStore.init(rsc);
372        rsc->setProgramStore(NULL);
373        rsc->mStateFont.init(rsc);
374        rsc->setFont(NULL);
375        rsc->mStateSampler.init(rsc);
376        rsc->mFBOCache.init(rsc);
377    }
378#endif
379
380    rsc->mRunning = true;
381
382    if (rsc->isSynchronous()) {
383        return NULL;
384    }
385
386    if (!rsc->mIsGraphicsContext) {
387        while (!rsc->mExit) {
388            rsc->mIO.playCoreCommands(rsc, -1);
389        }
390#ifndef RS_COMPATIBILITY_LIB
391    } else {
392#ifndef ANDROID_RS_SERIALIZE
393        DisplayEventReceiver displayEvent;
394        DisplayEventReceiver::Event eventBuffer[1];
395#endif
396        int vsyncRate = 0;
397        int targetRate = 0;
398
399        bool drawOnce = false;
400        while (!rsc->mExit) {
401            rsc->timerSet(RS_TIMER_IDLE);
402
403#ifndef ANDROID_RS_SERIALIZE
404            if (!rsc->mRootScript.get() || !rsc->mHasSurface || rsc->mPaused) {
405                targetRate = 0;
406            }
407
408            if (vsyncRate != targetRate) {
409                displayEvent.setVsyncRate(targetRate);
410                vsyncRate = targetRate;
411            }
412            if (targetRate) {
413                drawOnce |= rsc->mIO.playCoreCommands(rsc, displayEvent.getFd());
414                while (displayEvent.getEvents(eventBuffer, 1) != 0) {
415                    //ALOGE("vs2 time past %lld", (rsc->getTime() - eventBuffer[0].header.timestamp) / 1000000);
416                }
417            } else
418#endif
419            {
420                drawOnce |= rsc->mIO.playCoreCommands(rsc, -1);
421            }
422
423            if ((rsc->mRootScript.get() != NULL) && rsc->mHasSurface &&
424                (targetRate || drawOnce) && !rsc->mPaused) {
425
426                drawOnce = false;
427                targetRate = ((rsc->runRootScript() + 15) / 16);
428
429                if (rsc->props.mLogVisual) {
430                    rsc->displayDebugStats();
431                }
432
433                rsc->timerSet(RS_TIMER_CLEAR_SWAP);
434                rsc->mHal.funcs.swap(rsc);
435                rsc->timerFrame();
436                rsc->timerSet(RS_TIMER_INTERNAL);
437                rsc->timerPrint();
438                rsc->timerReset();
439            }
440        }
441#endif
442    }
443
444    //ALOGV("%p RS Thread exiting", rsc);
445
446#ifndef RS_COMPATIBILITY_LIB
447    if (rsc->mIsGraphicsContext) {
448        pthread_mutex_lock(&gInitMutex);
449        rsc->deinitEGL();
450        pthread_mutex_unlock(&gInitMutex);
451    }
452#endif
453
454    //ALOGV("%p RS Thread exited", rsc);
455    return NULL;
456}
457
458void Context::destroyWorkerThreadResources() {
459    //ALOGV("destroyWorkerThreadResources 1");
460    ObjectBase::zeroAllUserRef(this);
461#ifndef RS_COMPATIBILITY_LIB
462    if (mIsGraphicsContext) {
463         mRaster.clear();
464         mFragment.clear();
465         mVertex.clear();
466         mFragmentStore.clear();
467         mFont.clear();
468         mRootScript.clear();
469         mStateRaster.deinit(this);
470         mStateVertex.deinit(this);
471         mStateFragment.deinit(this);
472         mStateFragmentStore.deinit(this);
473         mStateFont.deinit(this);
474         mStateSampler.deinit(this);
475         mFBOCache.deinit(this);
476    }
477#endif
478    ObjectBase::freeAllChildren(this);
479    mExit = true;
480    //ALOGV("destroyWorkerThreadResources 2");
481}
482
483void Context::printWatchdogInfo(void *ctx) {
484    Context *rsc = (Context *)ctx;
485    if (rsc->watchdog.command && rsc->watchdog.file) {
486        ALOGE("RS watchdog timeout: %i  %s  line %i %s", rsc->watchdog.inRoot,
487             rsc->watchdog.command, rsc->watchdog.line, rsc->watchdog.file);
488    } else {
489        ALOGE("RS watchdog timeout: %i", rsc->watchdog.inRoot);
490    }
491}
492
493
494void Context::setPriority(int32_t p) {
495    // Note: If we put this in the proper "background" policy
496    // the wallpapers can become completly unresponsive at times.
497    // This is probably not what we want for something the user is actively
498    // looking at.
499    mThreadPriority = p;
500    setpriority(PRIO_PROCESS, mNativeThreadId, p);
501    mHal.funcs.setPriority(this, mThreadPriority);
502}
503
504Context::Context() {
505    mDev = NULL;
506    mRunning = false;
507    mExit = false;
508    mPaused = false;
509    mObjHead = NULL;
510    mError = RS_ERROR_NONE;
511    mTargetSdkVersion = 14;
512    mDPI = 96;
513    mIsContextLite = false;
514    memset(&watchdog, 0, sizeof(watchdog));
515    mForceCpu = false;
516    mContextType = RS_CONTEXT_TYPE_NORMAL;
517    mSynchronous = false;
518}
519
520Context * Context::createContext(Device *dev, const RsSurfaceConfig *sc,
521                                 RsContextType ct, uint32_t flags) {
522    Context * rsc = new Context();
523
524    if (flags & RS_CONTEXT_LOW_LATENCY) {
525        rsc->mForceCpu = true;
526    }
527    if (flags & RS_CONTEXT_SYNCHRONOUS) {
528        rsc->mSynchronous = true;
529    }
530    rsc->mContextType = ct;
531
532    if (!rsc->initContext(dev, sc)) {
533        delete rsc;
534        return NULL;
535    }
536    return rsc;
537}
538
539Context * Context::createContextLite() {
540    Context * rsc = new Context();
541    rsc->mIsContextLite = true;
542    return rsc;
543}
544
545bool Context::initContext(Device *dev, const RsSurfaceConfig *sc) {
546    pthread_mutex_lock(&gInitMutex);
547
548    mIO.init();
549    mIO.setTimeoutCallback(printWatchdogInfo, this, 2e9);
550
551    dev->addContext(this);
552    mDev = dev;
553    if (sc) {
554        mUserSurfaceConfig = *sc;
555    } else {
556        memset(&mUserSurfaceConfig, 0, sizeof(mUserSurfaceConfig));
557    }
558
559    mIsGraphicsContext = sc != NULL;
560
561    int status;
562    pthread_attr_t threadAttr;
563
564    pthread_mutex_unlock(&gInitMutex);
565
566    // Global init done at this point.
567
568    status = pthread_attr_init(&threadAttr);
569    if (status) {
570        ALOGE("Failed to init thread attribute.");
571        return false;
572    }
573
574    mHasSurface = false;
575
576    timerInit();
577    timerSet(RS_TIMER_INTERNAL);
578    if (mSynchronous) {
579        threadProc(this);
580    } else {
581        status = pthread_create(&mThreadId, &threadAttr, threadProc, this);
582        if (status) {
583            ALOGE("Failed to start rs context thread.");
584            return false;
585        }
586        while (!mRunning && (mError == RS_ERROR_NONE)) {
587            usleep(100);
588        }
589
590        if (mError != RS_ERROR_NONE) {
591            ALOGE("Errors during thread init");
592            return false;
593        }
594
595        pthread_attr_destroy(&threadAttr);
596    }
597    return true;
598}
599
600Context::~Context() {
601    //ALOGV("%p Context::~Context", this);
602
603    if (!mIsContextLite) {
604        mPaused = false;
605        void *res;
606
607        mIO.shutdown();
608        int status = pthread_join(mThreadId, &res);
609        rsAssert(mExit);
610
611        if (mHal.funcs.shutdownDriver) {
612            mHal.funcs.shutdownDriver(this);
613        }
614
615        // Global structure cleanup.
616        pthread_mutex_lock(&gInitMutex);
617        if (mDev) {
618            mDev->removeContext(this);
619            mDev = NULL;
620        }
621        pthread_mutex_unlock(&gInitMutex);
622    }
623    //ALOGV("%p Context::~Context done", this);
624}
625
626#ifndef RS_COMPATIBILITY_LIB
627void Context::setSurface(uint32_t w, uint32_t h, RsNativeWindow sur) {
628    rsAssert(mIsGraphicsContext);
629    mHal.funcs.setSurface(this, w, h, sur);
630
631    mHasSurface = sur != NULL;
632    mWidth = w;
633    mHeight = h;
634
635    if (mWidth && mHeight) {
636        mStateVertex.updateSize(this);
637        mFBOCache.updateSize();
638    }
639}
640
641uint32_t Context::getCurrentSurfaceWidth() const {
642    for (uint32_t i = 0; i < mFBOCache.mHal.state.colorTargetsCount; i ++) {
643        if (mFBOCache.mHal.state.colorTargets[i] != NULL) {
644            return mFBOCache.mHal.state.colorTargets[i]->getType()->getDimX();
645        }
646    }
647    if (mFBOCache.mHal.state.depthTarget != NULL) {
648        return mFBOCache.mHal.state.depthTarget->getType()->getDimX();
649    }
650    return mWidth;
651}
652
653uint32_t Context::getCurrentSurfaceHeight() const {
654    for (uint32_t i = 0; i < mFBOCache.mHal.state.colorTargetsCount; i ++) {
655        if (mFBOCache.mHal.state.colorTargets[i] != NULL) {
656            return mFBOCache.mHal.state.colorTargets[i]->getType()->getDimY();
657        }
658    }
659    if (mFBOCache.mHal.state.depthTarget != NULL) {
660        return mFBOCache.mHal.state.depthTarget->getType()->getDimY();
661    }
662    return mHeight;
663}
664
665void Context::pause() {
666    rsAssert(mIsGraphicsContext);
667    mPaused = true;
668}
669
670void Context::resume() {
671    rsAssert(mIsGraphicsContext);
672    mPaused = false;
673}
674
675void Context::setRootScript(Script *s) {
676    rsAssert(mIsGraphicsContext);
677    mRootScript.set(s);
678}
679
680void Context::setProgramStore(ProgramStore *pfs) {
681    rsAssert(mIsGraphicsContext);
682    if (pfs == NULL) {
683        mFragmentStore.set(mStateFragmentStore.mDefault);
684    } else {
685        mFragmentStore.set(pfs);
686    }
687}
688
689void Context::setProgramFragment(ProgramFragment *pf) {
690    rsAssert(mIsGraphicsContext);
691    if (pf == NULL) {
692        mFragment.set(mStateFragment.mDefault);
693    } else {
694        mFragment.set(pf);
695    }
696}
697
698void Context::setProgramRaster(ProgramRaster *pr) {
699    rsAssert(mIsGraphicsContext);
700    if (pr == NULL) {
701        mRaster.set(mStateRaster.mDefault);
702    } else {
703        mRaster.set(pr);
704    }
705}
706
707void Context::setProgramVertex(ProgramVertex *pv) {
708    rsAssert(mIsGraphicsContext);
709    if (pv == NULL) {
710        mVertex.set(mStateVertex.mDefault);
711    } else {
712        mVertex.set(pv);
713    }
714}
715
716void Context::setFont(Font *f) {
717    rsAssert(mIsGraphicsContext);
718    if (f == NULL) {
719        mFont.set(mStateFont.mDefault);
720    } else {
721        mFont.set(f);
722    }
723}
724#endif
725
726void Context::assignName(ObjectBase *obj, const char *name, uint32_t len) {
727    rsAssert(!obj->getName());
728    obj->setName(name, len);
729    mNames.add(obj);
730}
731
732void Context::removeName(ObjectBase *obj) {
733    for (size_t ct=0; ct < mNames.size(); ct++) {
734        if (obj == mNames[ct]) {
735            mNames.removeAt(ct);
736            return;
737        }
738    }
739}
740
741RsMessageToClientType Context::peekMessageToClient(size_t *receiveLen, uint32_t *subID) {
742    return (RsMessageToClientType)mIO.getClientHeader(receiveLen, subID);
743}
744
745RsMessageToClientType Context::getMessageToClient(void *data, size_t *receiveLen, uint32_t *subID, size_t bufferLen) {
746    return (RsMessageToClientType)mIO.getClientPayload(data, receiveLen, subID, bufferLen);
747}
748
749bool Context::sendMessageToClient(const void *data, RsMessageToClientType cmdID,
750                                  uint32_t subID, size_t len, bool waitForSpace) const {
751
752    pthread_mutex_lock(&gMessageMutex);
753    bool ret = mIO.sendToClient(cmdID, subID, data, len, waitForSpace);
754    pthread_mutex_unlock(&gMessageMutex);
755    return ret;
756}
757
758void Context::initToClient() {
759    while (!mRunning) {
760        usleep(100);
761    }
762}
763
764void Context::deinitToClient() {
765    mIO.clientShutdown();
766}
767
768void Context::setError(RsError e, const char *msg) const {
769    mError = e;
770    sendMessageToClient(msg, RS_MESSAGE_TO_CLIENT_ERROR, e, strlen(msg) + 1, true);
771}
772
773
774void Context::dumpDebug() const {
775    ALOGE("RS Context debug %p", this);
776    ALOGE("RS Context debug");
777
778    ALOGE(" RS width %i, height %i", mWidth, mHeight);
779    ALOGE(" RS running %i, exit %i, paused %i", mRunning, mExit, mPaused);
780    ALOGE(" RS pThreadID %li, nativeThreadID %i", (long int)mThreadId, mNativeThreadId);
781}
782
783///////////////////////////////////////////////////////////////////////////////////////////
784//
785
786namespace android {
787namespace renderscript {
788
789void rsi_ContextFinish(Context *rsc) {
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_ContextBindSampler(Context *rsc, uint32_t slot, RsSampler vs) {
800    Sampler *s = static_cast<Sampler *>(vs);
801
802    if (slot > RS_MAX_SAMPLER_SLOT) {
803        ALOGE("Invalid sampler slot");
804        return;
805    }
806
807    s->bindToContext(&rsc->mStateSampler, slot);
808}
809
810#ifndef RS_COMPATIBILITY_LIB
811void rsi_ContextBindProgramStore(Context *rsc, RsProgramStore vpfs) {
812    ProgramStore *pfs = static_cast<ProgramStore *>(vpfs);
813    rsc->setProgramStore(pfs);
814}
815
816void rsi_ContextBindProgramFragment(Context *rsc, RsProgramFragment vpf) {
817    ProgramFragment *pf = static_cast<ProgramFragment *>(vpf);
818    rsc->setProgramFragment(pf);
819}
820
821void rsi_ContextBindProgramRaster(Context *rsc, RsProgramRaster vpr) {
822    ProgramRaster *pr = static_cast<ProgramRaster *>(vpr);
823    rsc->setProgramRaster(pr);
824}
825
826void rsi_ContextBindProgramVertex(Context *rsc, RsProgramVertex vpv) {
827    ProgramVertex *pv = static_cast<ProgramVertex *>(vpv);
828    rsc->setProgramVertex(pv);
829}
830
831void rsi_ContextBindFont(Context *rsc, RsFont vfont) {
832    Font *font = static_cast<Font *>(vfont);
833    rsc->setFont(font);
834}
835#endif
836
837void rsi_AssignName(Context *rsc, RsObjectBase obj, const char *name, size_t name_length) {
838    ObjectBase *ob = static_cast<ObjectBase *>(obj);
839    rsc->assignName(ob, name, name_length);
840}
841
842void rsi_ObjDestroy(Context *rsc, void *optr) {
843    ObjectBase *ob = static_cast<ObjectBase *>(optr);
844    rsc->removeName(ob);
845    ob->decUserRef();
846}
847
848#ifndef RS_COMPATIBILITY_LIB
849void rsi_ContextPause(Context *rsc) {
850    rsc->pause();
851}
852
853void rsi_ContextResume(Context *rsc) {
854    rsc->resume();
855}
856
857void rsi_ContextSetSurface(Context *rsc, uint32_t w, uint32_t h, RsNativeWindow sur) {
858    rsc->setSurface(w, h, sur);
859}
860#endif
861
862void rsi_ContextSetPriority(Context *rsc, int32_t p) {
863    rsc->setPriority(p);
864}
865
866void rsi_ContextDump(Context *rsc, int32_t bits) {
867    ObjectBase::dumpAll(rsc);
868}
869
870void rsi_ContextDestroyWorker(Context *rsc) {
871    rsc->destroyWorkerThreadResources();
872}
873
874void rsi_ContextDestroy(Context *rsc) {
875    //ALOGV("%p rsContextDestroy", rsc);
876    rsContextDestroyWorker(rsc);
877    delete rsc;
878    //ALOGV("%p rsContextDestroy done", rsc);
879}
880
881RsMessageToClientType rsi_ContextPeekMessage(Context *rsc,
882                                           size_t * receiveLen, size_t receiveLen_length,
883                                           uint32_t * subID, size_t subID_length) {
884    return rsc->peekMessageToClient(receiveLen, subID);
885}
886
887RsMessageToClientType rsi_ContextGetMessage(Context *rsc, void * data, size_t data_length,
888                                          size_t * receiveLen, size_t receiveLen_length,
889                                          uint32_t * subID, size_t subID_length) {
890    rsAssert(subID_length == sizeof(uint32_t));
891    rsAssert(receiveLen_length == sizeof(size_t));
892    return rsc->getMessageToClient(data, receiveLen, subID, data_length);
893}
894
895void rsi_ContextInitToClient(Context *rsc) {
896    rsc->initToClient();
897}
898
899void rsi_ContextDeinitToClient(Context *rsc) {
900    rsc->deinitToClient();
901}
902
903void rsi_ContextSendMessage(Context *rsc, uint32_t id, const uint8_t *data, size_t len) {
904    rsc->sendMessageToClient(data, RS_MESSAGE_TO_CLIENT_USER, id, len, true);
905}
906
907// implementation of handcode LF_ObjDestroy
908// required so nObjDestroy can be run from finalizer without blocking
909void LF_ObjDestroy_handcode(const Context *rsc, RsAsyncVoidPtr objPtr) {
910    if (((Context *)rsc)->isSynchronous()) {
911        rsi_ObjDestroy((Context *)rsc, objPtr);
912        return;
913    }
914
915    // struct has two parts:
916    // RsPlaybackRemoteHeader (cmdID and bytes)
917    // RS_CMD_ObjDestroy (ptr)
918    struct destroyCmd {
919        uint32_t cmdID;
920        uint32_t bytes;
921        RsAsyncVoidPtr ptr;
922     };
923
924    destroyCmd cmd;
925    cmd.cmdID = RS_CMD_ID_ObjDestroy;
926    cmd.bytes = sizeof(RsAsyncVoidPtr);
927    cmd.ptr = objPtr;
928    ThreadIO *io = &((Context *)rsc)->mIO;
929    io->coreWrite((void*)&cmd, sizeof(destroyCmd));
930
931}
932
933}
934}
935
936extern "C" RsContext rsContextCreate(RsDevice vdev, uint32_t version, uint32_t sdkVersion,
937                                     RsContextType ct, uint32_t flags) {
938    //ALOGV("rsContextCreate dev=%p", vdev);
939    Device * dev = static_cast<Device *>(vdev);
940    Context *rsc = Context::createContext(dev, NULL, ct, flags);
941    if (rsc) {
942        rsc->setTargetSdkVersion(sdkVersion);
943    }
944    return rsc;
945}
946
947#ifndef RS_COMPATIBILITY_LIB
948RsContext rsContextCreateGL(RsDevice vdev, uint32_t version,
949                            uint32_t sdkVersion, RsSurfaceConfig sc,
950                            uint32_t dpi) {
951    //ALOGV("rsContextCreateGL dev=%p", vdev);
952    Device * dev = static_cast<Device *>(vdev);
953    Context *rsc = Context::createContext(dev, &sc);
954    if (rsc) {
955        rsc->setTargetSdkVersion(sdkVersion);
956        rsc->setDPI(dpi);
957    }
958    //ALOGV("%p rsContextCreateGL ret", rsc);
959    return rsc;
960}
961#endif
962
963// Only to be called at a3d load time, before object is visible to user
964// not thread safe
965void rsaGetName(RsContext con, void * obj, const char **name) {
966    ObjectBase *ob = static_cast<ObjectBase *>(obj);
967    (*name) = ob->getName();
968}
969
970