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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 #ifndef RS_COMPATIBILITY_LIB
23 #include "rsMesh.h"
24 #include <ui/FramebufferNativeWindow.h>
25 #include <gui/DisplayEventReceiver.h>
26 #endif
27 
28 #include <sys/types.h>
29 #include <sys/resource.h>
30 #include <sched.h>
31 
32 #include <sys/syscall.h>
33 #include <string.h>
34 #include <dlfcn.h>
35 
36 #ifndef RS_SERVER
37 #include <cutils/properties.h>
38 #endif
39 
40 #ifdef RS_SERVER
41 // Android exposes gettid(), standard Linux does not
gettid()42 static pid_t gettid() {
43     return syscall(SYS_gettid);
44 }
45 #endif
46 
47 using namespace android;
48 using namespace android::renderscript;
49 
50 pthread_mutex_t Context::gInitMutex = PTHREAD_MUTEX_INITIALIZER;
51 pthread_mutex_t Context::gMessageMutex = PTHREAD_MUTEX_INITIALIZER;
52 pthread_mutex_t Context::gLibMutex = PTHREAD_MUTEX_INITIALIZER;
53 
initGLThread()54 bool Context::initGLThread() {
55     pthread_mutex_lock(&gInitMutex);
56 
57     if (!mHal.funcs.initGraphics(this)) {
58         pthread_mutex_unlock(&gInitMutex);
59         ALOGE("%p initGraphics failed", this);
60         return false;
61     }
62 
63     pthread_mutex_unlock(&gInitMutex);
64     return true;
65 }
66 
deinitEGL()67 void Context::deinitEGL() {
68 #ifndef RS_COMPATIBILITY_LIB
69     mHal.funcs.shutdownGraphics(this);
70 #endif
71 }
72 
PushState(Context * con)73 Context::PushState::PushState(Context *con) {
74     mRsc = con;
75 #ifndef RS_COMPATIBILITY_LIB
76     if (con->mIsGraphicsContext) {
77         mFragment.set(con->getProgramFragment());
78         mVertex.set(con->getProgramVertex());
79         mStore.set(con->getProgramStore());
80         mRaster.set(con->getProgramRaster());
81         mFont.set(con->getFont());
82     }
83 #endif
84 }
85 
~PushState()86 Context::PushState::~PushState() {
87 #ifndef RS_COMPATIBILITY_LIB
88     if (mRsc->mIsGraphicsContext) {
89         mRsc->setProgramFragment(mFragment.get());
90         mRsc->setProgramVertex(mVertex.get());
91         mRsc->setProgramStore(mStore.get());
92         mRsc->setProgramRaster(mRaster.get());
93         mRsc->setFont(mFont.get());
94     }
95 #endif
96 }
97 
98 
runScript(Script * s)99 uint32_t Context::runScript(Script *s) {
100     PushState ps(this);
101 
102     uint32_t ret = s->run(this);
103     return ret;
104 }
105 
runRootScript()106 uint32_t Context::runRootScript() {
107     timerSet(RS_TIMER_SCRIPT);
108 #ifndef RS_COMPATIBILITY_LIB
109     mStateFragmentStore.mLast.clear();
110 #endif
111     watchdog.inRoot = true;
112     uint32_t ret = runScript(mRootScript.get());
113     watchdog.inRoot = false;
114 
115     return ret;
116 }
117 
getTime() const118 uint64_t Context::getTime() const {
119 #ifndef ANDROID_RS_SERIALIZE
120     struct timespec t;
121     clock_gettime(CLOCK_MONOTONIC, &t);
122     return t.tv_nsec + ((uint64_t)t.tv_sec * 1000 * 1000 * 1000);
123 #else
124     return 0;
125 #endif //ANDROID_RS_SERIALIZE
126 }
127 
timerReset()128 void Context::timerReset() {
129     for (int ct=0; ct < _RS_TIMER_TOTAL; ct++) {
130         mTimers[ct] = 0;
131     }
132 }
133 
timerInit()134 void Context::timerInit() {
135     mTimeLast = getTime();
136     mTimeFrame = mTimeLast;
137     mTimeLastFrame = mTimeLast;
138     mTimerActive = RS_TIMER_INTERNAL;
139     mAverageFPSFrameCount = 0;
140     mAverageFPSStartTime = mTimeLast;
141     mAverageFPS = 0;
142     timerReset();
143 }
144 
timerFrame()145 void Context::timerFrame() {
146     mTimeLastFrame = mTimeFrame;
147     mTimeFrame = getTime();
148     // Update average fps
149     const uint64_t averageFramerateInterval = 1000 * 1000000;
150     mAverageFPSFrameCount ++;
151     uint64_t inverval = mTimeFrame - mAverageFPSStartTime;
152     if (inverval >= averageFramerateInterval) {
153         inverval = inverval / 1000000;
154         mAverageFPS = (mAverageFPSFrameCount * 1000) / inverval;
155         mAverageFPSFrameCount = 0;
156         mAverageFPSStartTime = mTimeFrame;
157     }
158 }
159 
timerSet(Timers tm)160 void Context::timerSet(Timers tm) {
161     uint64_t last = mTimeLast;
162     mTimeLast = getTime();
163     mTimers[mTimerActive] += mTimeLast - last;
164     mTimerActive = tm;
165 }
166 
timerPrint()167 void Context::timerPrint() {
168     double total = 0;
169     for (int ct = 0; ct < _RS_TIMER_TOTAL; ct++) {
170         total += mTimers[ct];
171     }
172     uint64_t frame = mTimeFrame - mTimeLastFrame;
173     mTimeMSLastFrame = frame / 1000000;
174     mTimeMSLastScript = mTimers[RS_TIMER_SCRIPT] / 1000000;
175     mTimeMSLastSwap = mTimers[RS_TIMER_CLEAR_SWAP] / 1000000;
176 
177 
178     if (props.mLogTimes) {
179         ALOGV("RS: Frame (%i),   Script %2.1f%% (%i),  Swap %2.1f%% (%i),  Idle %2.1f%% (%lli),  Internal %2.1f%% (%lli), Avg fps: %u",
180              mTimeMSLastFrame,
181              100.0 * mTimers[RS_TIMER_SCRIPT] / total, mTimeMSLastScript,
182              100.0 * mTimers[RS_TIMER_CLEAR_SWAP] / total, mTimeMSLastSwap,
183              100.0 * mTimers[RS_TIMER_IDLE] / total, mTimers[RS_TIMER_IDLE] / 1000000,
184              100.0 * mTimers[RS_TIMER_INTERNAL] / total, mTimers[RS_TIMER_INTERNAL] / 1000000,
185              mAverageFPS);
186     }
187 }
188 
setupCheck()189 bool Context::setupCheck() {
190 #ifndef RS_COMPATIBILITY_LIB
191     mFragmentStore->setup(this, &mStateFragmentStore);
192     mFragment->setup(this, &mStateFragment);
193     mRaster->setup(this, &mStateRaster);
194     mVertex->setup(this, &mStateVertex);
195     mFBOCache.setup(this);
196 #endif
197     return true;
198 }
199 
200 #ifndef RS_COMPATIBILITY_LIB
setupProgramStore()201 void Context::setupProgramStore() {
202     mFragmentStore->setup(this, &mStateFragmentStore);
203 }
204 #endif
205 
getProp(const char * str)206 static uint32_t getProp(const char *str) {
207 #ifndef RS_SERVER
208     char buf[PROPERTY_VALUE_MAX];
209     property_get(str, buf, "0");
210     return atoi(buf);
211 #else
212     return 0;
213 #endif
214 }
215 
displayDebugStats()216 void Context::displayDebugStats() {
217 #ifndef RS_COMPATIBILITY_LIB
218     char buffer[128];
219     sprintf(buffer, "Avg fps %u, Frame %i ms, Script %i ms", mAverageFPS, mTimeMSLastFrame, mTimeMSLastScript);
220     float oldR, oldG, oldB, oldA;
221     mStateFont.getFontColor(&oldR, &oldG, &oldB, &oldA);
222     uint32_t bufferLen = strlen(buffer);
223 
224     ObjectBaseRef<Font> lastFont(getFont());
225     setFont(NULL);
226     float shadowCol = 0.1f;
227     mStateFont.setFontColor(shadowCol, shadowCol, shadowCol, 1.0f);
228     mStateFont.renderText(buffer, bufferLen, 5, getHeight() - 6);
229 
230     mStateFont.setFontColor(1.0f, 0.7f, 0.0f, 1.0f);
231     mStateFont.renderText(buffer, bufferLen, 4, getHeight() - 7);
232 
233     setFont(lastFont.get());
234     mStateFont.setFontColor(oldR, oldG, oldB, oldA);
235 #endif
236 }
237 
loadRuntime(const char * filename,Context * rsc)238 bool Context::loadRuntime(const char* filename, Context* rsc) {
239 
240     // TODO: store the driverSO somewhere so we can dlclose later
241     void *driverSO = NULL;
242 
243     driverSO = dlopen(filename, RTLD_LAZY);
244     if (driverSO == NULL) {
245         ALOGE("Failed loading RS driver: %s", dlerror());
246         return false;
247     }
248 
249     // Need to call dlerror() to clear buffer before using it for dlsym().
250     (void) dlerror();
251     typedef bool (*HalSig)(Context*, uint32_t, uint32_t);
252     HalSig halInit = (HalSig) dlsym(driverSO, "rsdHalInit");
253 
254     // If we can't find the C variant, we go looking for the C++ version.
255     if (halInit == NULL) {
256         ALOGW("Falling back to find C++ rsdHalInit: %s", dlerror());
257         halInit = (HalSig) dlsym(driverSO,
258                 "_Z10rsdHalInitPN7android12renderscript7ContextEjj");
259     }
260 
261     if (halInit == NULL) {
262         dlclose(driverSO);
263         ALOGE("Failed to find rsdHalInit: %s", dlerror());
264         return false;
265     }
266 
267     if (!(*halInit)(rsc, 0, 0)) {
268         dlclose(driverSO);
269         ALOGE("Hal init failed");
270         return false;
271     }
272 
273     //validate HAL struct
274 
275 
276     return true;
277 }
278 
279 extern "C" bool rsdHalInit(RsContext c, uint32_t version_major, uint32_t version_minor);
280 
threadProc(void * vrsc)281 void * Context::threadProc(void *vrsc) {
282     Context *rsc = static_cast<Context *>(vrsc);
283 #ifndef ANDROID_RS_SERIALIZE
284     rsc->mNativeThreadId = gettid();
285 #ifndef RS_COMPATIBILITY_LIB
286     if (!rsc->isSynchronous()) {
287         setpriority(PRIO_PROCESS, rsc->mNativeThreadId, ANDROID_PRIORITY_DISPLAY);
288     }
289     rsc->mThreadPriority = ANDROID_PRIORITY_DISPLAY;
290 #else
291     if (!rsc->isSynchronous()) {
292         setpriority(PRIO_PROCESS, rsc->mNativeThreadId, -4);
293     }
294     rsc->mThreadPriority = -4;
295 #endif
296 #endif //ANDROID_RS_SERIALIZE
297     rsc->props.mLogTimes = getProp("debug.rs.profile") != 0;
298     rsc->props.mLogScripts = getProp("debug.rs.script") != 0;
299     rsc->props.mLogObjects = getProp("debug.rs.object") != 0;
300     rsc->props.mLogShaders = getProp("debug.rs.shader") != 0;
301     rsc->props.mLogShadersAttr = getProp("debug.rs.shader.attributes") != 0;
302     rsc->props.mLogShadersUniforms = getProp("debug.rs.shader.uniforms") != 0;
303     rsc->props.mLogVisual = getProp("debug.rs.visual") != 0;
304     rsc->props.mDebugMaxThreads = getProp("debug.rs.max-threads");
305 
306     bool loadDefault = true;
307 
308     // Provide a mechanism for dropping in a different RS driver.
309 #ifndef RS_COMPATIBILITY_LIB
310 #ifdef OVERRIDE_RS_DRIVER
311 #define XSTR(S) #S
312 #define STR(S) XSTR(S)
313 #define OVERRIDE_RS_DRIVER_STRING STR(OVERRIDE_RS_DRIVER)
314 
315     if (getProp("debug.rs.default-CPU-driver") != 0) {
316         ALOGE("Skipping override driver and loading default CPU driver");
317     } else if (rsc->mForceCpu) {
318         ALOGV("Application requested CPU execution");
319     } else if (rsc->getContextType() == RS_CONTEXT_TYPE_DEBUG) {
320         ALOGV("Application requested debug context");
321     } else {
322         if (loadRuntime(OVERRIDE_RS_DRIVER_STRING, rsc)) {
323             ALOGE("Successfully loaded runtime: %s", OVERRIDE_RS_DRIVER_STRING);
324             loadDefault = false;
325         } else {
326             ALOGE("Failed to load runtime %s, loading default", OVERRIDE_RS_DRIVER_STRING);
327         }
328     }
329 
330 #undef XSTR
331 #undef STR
332 #endif  // OVERRIDE_RS_DRIVER
333 
334     if (loadDefault) {
335         if (!loadRuntime("libRSDriver.so", rsc)) {
336             ALOGE("Failed to load default runtime!");
337             rsc->setError(RS_ERROR_FATAL_DRIVER, "Failed loading RS driver");
338             return NULL;
339         }
340     }
341 #else // RS_COMPATIBILITY_LIB
342     if (rsdHalInit(rsc, 0, 0) != true) {
343         return NULL;
344     }
345 #endif
346 
347 
348     rsc->mHal.funcs.setPriority(rsc, rsc->mThreadPriority);
349 
350 #ifndef RS_COMPATIBILITY_LIB
351     if (rsc->mIsGraphicsContext) {
352         if (!rsc->initGLThread()) {
353             rsc->setError(RS_ERROR_OUT_OF_MEMORY, "Failed initializing GL");
354             return NULL;
355         }
356 
357         rsc->mStateRaster.init(rsc);
358         rsc->setProgramRaster(NULL);
359         rsc->mStateVertex.init(rsc);
360         rsc->setProgramVertex(NULL);
361         rsc->mStateFragment.init(rsc);
362         rsc->setProgramFragment(NULL);
363         rsc->mStateFragmentStore.init(rsc);
364         rsc->setProgramStore(NULL);
365         rsc->mStateFont.init(rsc);
366         rsc->setFont(NULL);
367         rsc->mStateSampler.init(rsc);
368         rsc->mFBOCache.init(rsc);
369     }
370 #endif
371 
372     rsc->mRunning = true;
373 
374     if (rsc->isSynchronous()) {
375         return NULL;
376     }
377 
378     if (!rsc->mIsGraphicsContext) {
379         while (!rsc->mExit) {
380             rsc->mIO.playCoreCommands(rsc, -1);
381         }
382 #ifndef RS_COMPATIBILITY_LIB
383     } else {
384 #ifndef ANDROID_RS_SERIALIZE
385         DisplayEventReceiver displayEvent;
386         DisplayEventReceiver::Event eventBuffer[1];
387 #endif
388         int vsyncRate = 0;
389         int targetRate = 0;
390 
391         bool drawOnce = false;
392         while (!rsc->mExit) {
393             rsc->timerSet(RS_TIMER_IDLE);
394 
395 #ifndef ANDROID_RS_SERIALIZE
396             if (!rsc->mRootScript.get() || !rsc->mHasSurface || rsc->mPaused) {
397                 targetRate = 0;
398             }
399 
400             if (vsyncRate != targetRate) {
401                 displayEvent.setVsyncRate(targetRate);
402                 vsyncRate = targetRate;
403             }
404             if (targetRate) {
405                 drawOnce |= rsc->mIO.playCoreCommands(rsc, displayEvent.getFd());
406                 while (displayEvent.getEvents(eventBuffer, 1) != 0) {
407                     //ALOGE("vs2 time past %lld", (rsc->getTime() - eventBuffer[0].header.timestamp) / 1000000);
408                 }
409             } else
410 #endif
411             {
412                 drawOnce |= rsc->mIO.playCoreCommands(rsc, -1);
413             }
414 
415             if ((rsc->mRootScript.get() != NULL) && rsc->mHasSurface &&
416                 (targetRate || drawOnce) && !rsc->mPaused) {
417 
418                 drawOnce = false;
419                 targetRate = ((rsc->runRootScript() + 15) / 16);
420 
421                 if (rsc->props.mLogVisual) {
422                     rsc->displayDebugStats();
423                 }
424 
425                 rsc->timerSet(RS_TIMER_CLEAR_SWAP);
426                 rsc->mHal.funcs.swap(rsc);
427                 rsc->timerFrame();
428                 rsc->timerSet(RS_TIMER_INTERNAL);
429                 rsc->timerPrint();
430                 rsc->timerReset();
431             }
432         }
433 #endif
434     }
435 
436     //ALOGV("%p RS Thread exiting", rsc);
437 
438 #ifndef RS_COMPATIBILITY_LIB
439     if (rsc->mIsGraphicsContext) {
440         pthread_mutex_lock(&gInitMutex);
441         rsc->deinitEGL();
442         pthread_mutex_unlock(&gInitMutex);
443     }
444 #endif
445 
446     //ALOGV("%p RS Thread exited", rsc);
447     return NULL;
448 }
449 
destroyWorkerThreadResources()450 void Context::destroyWorkerThreadResources() {
451     //ALOGV("destroyWorkerThreadResources 1");
452     ObjectBase::zeroAllUserRef(this);
453 #ifndef RS_COMPATIBILITY_LIB
454     if (mIsGraphicsContext) {
455          mRaster.clear();
456          mFragment.clear();
457          mVertex.clear();
458          mFragmentStore.clear();
459          mFont.clear();
460          mRootScript.clear();
461          mStateRaster.deinit(this);
462          mStateVertex.deinit(this);
463          mStateFragment.deinit(this);
464          mStateFragmentStore.deinit(this);
465          mStateFont.deinit(this);
466          mStateSampler.deinit(this);
467          mFBOCache.deinit(this);
468     }
469 #endif
470     ObjectBase::freeAllChildren(this);
471     mExit = true;
472     //ALOGV("destroyWorkerThreadResources 2");
473 }
474 
printWatchdogInfo(void * ctx)475 void Context::printWatchdogInfo(void *ctx) {
476     Context *rsc = (Context *)ctx;
477     if (rsc->watchdog.command && rsc->watchdog.file) {
478         ALOGE("RS watchdog timeout: %i  %s  line %i %s", rsc->watchdog.inRoot,
479              rsc->watchdog.command, rsc->watchdog.line, rsc->watchdog.file);
480     } else {
481         ALOGE("RS watchdog timeout: %i", rsc->watchdog.inRoot);
482     }
483 }
484 
485 
setPriority(int32_t p)486 void Context::setPriority(int32_t p) {
487     // Note: If we put this in the proper "background" policy
488     // the wallpapers can become completly unresponsive at times.
489     // This is probably not what we want for something the user is actively
490     // looking at.
491     mThreadPriority = p;
492     setpriority(PRIO_PROCESS, mNativeThreadId, p);
493     mHal.funcs.setPriority(this, mThreadPriority);
494 }
495 
Context()496 Context::Context() {
497     mDev = NULL;
498     mRunning = false;
499     mExit = false;
500     mPaused = false;
501     mObjHead = NULL;
502     mError = RS_ERROR_NONE;
503     mTargetSdkVersion = 14;
504     mDPI = 96;
505     mIsContextLite = false;
506     memset(&watchdog, 0, sizeof(watchdog));
507     mForceCpu = false;
508     mContextType = RS_CONTEXT_TYPE_NORMAL;
509     mSynchronous = false;
510 }
511 
createContext(Device * dev,const RsSurfaceConfig * sc,RsContextType ct,bool forceCpu,bool synchronous)512 Context * Context::createContext(Device *dev, const RsSurfaceConfig *sc,
513                                  RsContextType ct, bool forceCpu,
514                                  bool synchronous) {
515     Context * rsc = new Context();
516 
517     rsc->mForceCpu = forceCpu;
518     rsc->mSynchronous = synchronous;
519     rsc->mContextType = ct;
520 
521     if (!rsc->initContext(dev, sc)) {
522         delete rsc;
523         return NULL;
524     }
525     return rsc;
526 }
527 
createContextLite()528 Context * Context::createContextLite() {
529     Context * rsc = new Context();
530     rsc->mIsContextLite = true;
531     return rsc;
532 }
533 
initContext(Device * dev,const RsSurfaceConfig * sc)534 bool Context::initContext(Device *dev, const RsSurfaceConfig *sc) {
535     pthread_mutex_lock(&gInitMutex);
536 
537     mIO.init();
538     mIO.setTimeoutCallback(printWatchdogInfo, this, 2e9);
539 
540     dev->addContext(this);
541     mDev = dev;
542     if (sc) {
543         mUserSurfaceConfig = *sc;
544     } else {
545         memset(&mUserSurfaceConfig, 0, sizeof(mUserSurfaceConfig));
546     }
547 
548     mIsGraphicsContext = sc != NULL;
549 
550     int status;
551     pthread_attr_t threadAttr;
552 
553     pthread_mutex_unlock(&gInitMutex);
554 
555     // Global init done at this point.
556 
557     status = pthread_attr_init(&threadAttr);
558     if (status) {
559         ALOGE("Failed to init thread attribute.");
560         return false;
561     }
562 
563     mHasSurface = false;
564 
565     timerInit();
566     timerSet(RS_TIMER_INTERNAL);
567     if (mSynchronous) {
568         threadProc(this);
569     } else {
570         status = pthread_create(&mThreadId, &threadAttr, threadProc, this);
571         if (status) {
572             ALOGE("Failed to start rs context thread.");
573             return false;
574         }
575         while (!mRunning && (mError == RS_ERROR_NONE)) {
576             usleep(100);
577         }
578 
579         if (mError != RS_ERROR_NONE) {
580             ALOGE("Errors during thread init");
581             return false;
582         }
583 
584         pthread_attr_destroy(&threadAttr);
585     }
586     return true;
587 }
588 
~Context()589 Context::~Context() {
590     //ALOGV("%p Context::~Context", this);
591 
592     if (!mIsContextLite) {
593         mPaused = false;
594         void *res;
595 
596         mIO.shutdown();
597         int status = pthread_join(mThreadId, &res);
598         rsAssert(mExit);
599 
600         if (mHal.funcs.shutdownDriver) {
601             mHal.funcs.shutdownDriver(this);
602         }
603 
604         // Global structure cleanup.
605         pthread_mutex_lock(&gInitMutex);
606         if (mDev) {
607             mDev->removeContext(this);
608             mDev = NULL;
609         }
610         pthread_mutex_unlock(&gInitMutex);
611     }
612     //ALOGV("%p Context::~Context done", this);
613 }
614 
615 #ifndef RS_COMPATIBILITY_LIB
setSurface(uint32_t w,uint32_t h,RsNativeWindow sur)616 void Context::setSurface(uint32_t w, uint32_t h, RsNativeWindow sur) {
617     rsAssert(mIsGraphicsContext);
618     mHal.funcs.setSurface(this, w, h, sur);
619 
620     mHasSurface = sur != NULL;
621     mWidth = w;
622     mHeight = h;
623 
624     if (mWidth && mHeight) {
625         mStateVertex.updateSize(this);
626         mFBOCache.updateSize();
627     }
628 }
629 
getCurrentSurfaceWidth() const630 uint32_t Context::getCurrentSurfaceWidth() const {
631     for (uint32_t i = 0; i < mFBOCache.mHal.state.colorTargetsCount; i ++) {
632         if (mFBOCache.mHal.state.colorTargets[i] != NULL) {
633             return mFBOCache.mHal.state.colorTargets[i]->getType()->getDimX();
634         }
635     }
636     if (mFBOCache.mHal.state.depthTarget != NULL) {
637         return mFBOCache.mHal.state.depthTarget->getType()->getDimX();
638     }
639     return mWidth;
640 }
641 
getCurrentSurfaceHeight() const642 uint32_t Context::getCurrentSurfaceHeight() const {
643     for (uint32_t i = 0; i < mFBOCache.mHal.state.colorTargetsCount; i ++) {
644         if (mFBOCache.mHal.state.colorTargets[i] != NULL) {
645             return mFBOCache.mHal.state.colorTargets[i]->getType()->getDimY();
646         }
647     }
648     if (mFBOCache.mHal.state.depthTarget != NULL) {
649         return mFBOCache.mHal.state.depthTarget->getType()->getDimY();
650     }
651     return mHeight;
652 }
653 
pause()654 void Context::pause() {
655     rsAssert(mIsGraphicsContext);
656     mPaused = true;
657 }
658 
resume()659 void Context::resume() {
660     rsAssert(mIsGraphicsContext);
661     mPaused = false;
662 }
663 
setRootScript(Script * s)664 void Context::setRootScript(Script *s) {
665     rsAssert(mIsGraphicsContext);
666     mRootScript.set(s);
667 }
668 
setProgramStore(ProgramStore * pfs)669 void Context::setProgramStore(ProgramStore *pfs) {
670     rsAssert(mIsGraphicsContext);
671     if (pfs == NULL) {
672         mFragmentStore.set(mStateFragmentStore.mDefault);
673     } else {
674         mFragmentStore.set(pfs);
675     }
676 }
677 
setProgramFragment(ProgramFragment * pf)678 void Context::setProgramFragment(ProgramFragment *pf) {
679     rsAssert(mIsGraphicsContext);
680     if (pf == NULL) {
681         mFragment.set(mStateFragment.mDefault);
682     } else {
683         mFragment.set(pf);
684     }
685 }
686 
setProgramRaster(ProgramRaster * pr)687 void Context::setProgramRaster(ProgramRaster *pr) {
688     rsAssert(mIsGraphicsContext);
689     if (pr == NULL) {
690         mRaster.set(mStateRaster.mDefault);
691     } else {
692         mRaster.set(pr);
693     }
694 }
695 
setProgramVertex(ProgramVertex * pv)696 void Context::setProgramVertex(ProgramVertex *pv) {
697     rsAssert(mIsGraphicsContext);
698     if (pv == NULL) {
699         mVertex.set(mStateVertex.mDefault);
700     } else {
701         mVertex.set(pv);
702     }
703 }
704 
setFont(Font * f)705 void Context::setFont(Font *f) {
706     rsAssert(mIsGraphicsContext);
707     if (f == NULL) {
708         mFont.set(mStateFont.mDefault);
709     } else {
710         mFont.set(f);
711     }
712 }
713 #endif
714 
assignName(ObjectBase * obj,const char * name,uint32_t len)715 void Context::assignName(ObjectBase *obj, const char *name, uint32_t len) {
716     rsAssert(!obj->getName());
717     obj->setName(name, len);
718     mNames.add(obj);
719 }
720 
removeName(ObjectBase * obj)721 void Context::removeName(ObjectBase *obj) {
722     for (size_t ct=0; ct < mNames.size(); ct++) {
723         if (obj == mNames[ct]) {
724             mNames.removeAt(ct);
725             return;
726         }
727     }
728 }
729 
peekMessageToClient(size_t * receiveLen,uint32_t * subID)730 RsMessageToClientType Context::peekMessageToClient(size_t *receiveLen, uint32_t *subID) {
731     return (RsMessageToClientType)mIO.getClientHeader(receiveLen, subID);
732 }
733 
getMessageToClient(void * data,size_t * receiveLen,uint32_t * subID,size_t bufferLen)734 RsMessageToClientType Context::getMessageToClient(void *data, size_t *receiveLen, uint32_t *subID, size_t bufferLen) {
735     return (RsMessageToClientType)mIO.getClientPayload(data, receiveLen, subID, bufferLen);
736 }
737 
sendMessageToClient(const void * data,RsMessageToClientType cmdID,uint32_t subID,size_t len,bool waitForSpace) const738 bool Context::sendMessageToClient(const void *data, RsMessageToClientType cmdID,
739                                   uint32_t subID, size_t len, bool waitForSpace) const {
740 
741     pthread_mutex_lock(&gMessageMutex);
742     bool ret = mIO.sendToClient(cmdID, subID, data, len, waitForSpace);
743     pthread_mutex_unlock(&gMessageMutex);
744     return ret;
745 }
746 
initToClient()747 void Context::initToClient() {
748     while (!mRunning) {
749         usleep(100);
750     }
751 }
752 
deinitToClient()753 void Context::deinitToClient() {
754     mIO.clientShutdown();
755 }
756 
setError(RsError e,const char * msg) const757 void Context::setError(RsError e, const char *msg) const {
758     mError = e;
759     sendMessageToClient(msg, RS_MESSAGE_TO_CLIENT_ERROR, e, strlen(msg) + 1, true);
760 }
761 
762 
dumpDebug() const763 void Context::dumpDebug() const {
764     ALOGE("RS Context debug %p", this);
765     ALOGE("RS Context debug");
766 
767     ALOGE(" RS width %i, height %i", mWidth, mHeight);
768     ALOGE(" RS running %i, exit %i, paused %i", mRunning, mExit, mPaused);
769     ALOGE(" RS pThreadID %li, nativeThreadID %i", (long int)mThreadId, mNativeThreadId);
770 }
771 
772 ///////////////////////////////////////////////////////////////////////////////////////////
773 //
774 
775 namespace android {
776 namespace renderscript {
777 
rsi_ContextFinish(Context * rsc)778 void rsi_ContextFinish(Context *rsc) {
779 }
780 
rsi_ContextBindRootScript(Context * rsc,RsScript vs)781 void rsi_ContextBindRootScript(Context *rsc, RsScript vs) {
782 #ifndef RS_COMPATIBILITY_LIB
783     Script *s = static_cast<Script *>(vs);
784     rsc->setRootScript(s);
785 #endif
786 }
787 
rsi_ContextBindSampler(Context * rsc,uint32_t slot,RsSampler vs)788 void rsi_ContextBindSampler(Context *rsc, uint32_t slot, RsSampler vs) {
789     Sampler *s = static_cast<Sampler *>(vs);
790 
791     if (slot > RS_MAX_SAMPLER_SLOT) {
792         ALOGE("Invalid sampler slot");
793         return;
794     }
795 
796     s->bindToContext(&rsc->mStateSampler, slot);
797 }
798 
799 #ifndef RS_COMPATIBILITY_LIB
rsi_ContextBindProgramStore(Context * rsc,RsProgramStore vpfs)800 void rsi_ContextBindProgramStore(Context *rsc, RsProgramStore vpfs) {
801     ProgramStore *pfs = static_cast<ProgramStore *>(vpfs);
802     rsc->setProgramStore(pfs);
803 }
804 
rsi_ContextBindProgramFragment(Context * rsc,RsProgramFragment vpf)805 void rsi_ContextBindProgramFragment(Context *rsc, RsProgramFragment vpf) {
806     ProgramFragment *pf = static_cast<ProgramFragment *>(vpf);
807     rsc->setProgramFragment(pf);
808 }
809 
rsi_ContextBindProgramRaster(Context * rsc,RsProgramRaster vpr)810 void rsi_ContextBindProgramRaster(Context *rsc, RsProgramRaster vpr) {
811     ProgramRaster *pr = static_cast<ProgramRaster *>(vpr);
812     rsc->setProgramRaster(pr);
813 }
814 
rsi_ContextBindProgramVertex(Context * rsc,RsProgramVertex vpv)815 void rsi_ContextBindProgramVertex(Context *rsc, RsProgramVertex vpv) {
816     ProgramVertex *pv = static_cast<ProgramVertex *>(vpv);
817     rsc->setProgramVertex(pv);
818 }
819 
rsi_ContextBindFont(Context * rsc,RsFont vfont)820 void rsi_ContextBindFont(Context *rsc, RsFont vfont) {
821     Font *font = static_cast<Font *>(vfont);
822     rsc->setFont(font);
823 }
824 #endif
825 
rsi_AssignName(Context * rsc,RsObjectBase obj,const char * name,size_t name_length)826 void rsi_AssignName(Context *rsc, RsObjectBase obj, const char *name, size_t name_length) {
827     ObjectBase *ob = static_cast<ObjectBase *>(obj);
828     rsc->assignName(ob, name, name_length);
829 }
830 
rsi_ObjDestroy(Context * rsc,void * optr)831 void rsi_ObjDestroy(Context *rsc, void *optr) {
832     ObjectBase *ob = static_cast<ObjectBase *>(optr);
833     rsc->removeName(ob);
834     ob->decUserRef();
835 }
836 
837 #ifndef RS_COMPATIBILITY_LIB
rsi_ContextPause(Context * rsc)838 void rsi_ContextPause(Context *rsc) {
839     rsc->pause();
840 }
841 
rsi_ContextResume(Context * rsc)842 void rsi_ContextResume(Context *rsc) {
843     rsc->resume();
844 }
845 
rsi_ContextSetSurface(Context * rsc,uint32_t w,uint32_t h,RsNativeWindow sur)846 void rsi_ContextSetSurface(Context *rsc, uint32_t w, uint32_t h, RsNativeWindow sur) {
847     rsc->setSurface(w, h, sur);
848 }
849 #endif
850 
rsi_ContextSetPriority(Context * rsc,int32_t p)851 void rsi_ContextSetPriority(Context *rsc, int32_t p) {
852     rsc->setPriority(p);
853 }
854 
rsi_ContextDump(Context * rsc,int32_t bits)855 void rsi_ContextDump(Context *rsc, int32_t bits) {
856     ObjectBase::dumpAll(rsc);
857 }
858 
rsi_ContextDestroyWorker(Context * rsc)859 void rsi_ContextDestroyWorker(Context *rsc) {
860     rsc->destroyWorkerThreadResources();
861 }
862 
rsi_ContextDestroy(Context * rsc)863 void rsi_ContextDestroy(Context *rsc) {
864     //ALOGV("%p rsContextDestroy", rsc);
865     rsContextDestroyWorker(rsc);
866     delete rsc;
867     //ALOGV("%p rsContextDestroy done", rsc);
868 }
869 
870 
rsi_ContextPeekMessage(Context * rsc,size_t * receiveLen,size_t receiveLen_length,uint32_t * subID,size_t subID_length)871 RsMessageToClientType rsi_ContextPeekMessage(Context *rsc,
872                                            size_t * receiveLen, size_t receiveLen_length,
873                                            uint32_t * subID, size_t subID_length) {
874     return rsc->peekMessageToClient(receiveLen, subID);
875 }
876 
rsi_ContextGetMessage(Context * rsc,void * data,size_t data_length,size_t * receiveLen,size_t receiveLen_length,uint32_t * subID,size_t subID_length)877 RsMessageToClientType rsi_ContextGetMessage(Context *rsc, void * data, size_t data_length,
878                                           size_t * receiveLen, size_t receiveLen_length,
879                                           uint32_t * subID, size_t subID_length) {
880     rsAssert(subID_length == sizeof(uint32_t));
881     rsAssert(receiveLen_length == sizeof(size_t));
882     return rsc->getMessageToClient(data, receiveLen, subID, data_length);
883 }
884 
rsi_ContextInitToClient(Context * rsc)885 void rsi_ContextInitToClient(Context *rsc) {
886     rsc->initToClient();
887 }
888 
rsi_ContextDeinitToClient(Context * rsc)889 void rsi_ContextDeinitToClient(Context *rsc) {
890     rsc->deinitToClient();
891 }
892 
rsi_ContextSendMessage(Context * rsc,uint32_t id,const uint8_t * data,size_t len)893 void rsi_ContextSendMessage(Context *rsc, uint32_t id, const uint8_t *data, size_t len) {
894     rsc->sendMessageToClient(data, RS_MESSAGE_TO_CLIENT_USER, id, len, true);
895 }
896 
897 }
898 }
899 
rsContextCreate(RsDevice vdev,uint32_t version,uint32_t sdkVersion,RsContextType ct,bool forceCpu,bool synchronous)900 RsContext rsContextCreate(RsDevice vdev, uint32_t version, uint32_t sdkVersion,
901                           RsContextType ct, bool forceCpu, bool synchronous) {
902     //ALOGV("rsContextCreate dev=%p", vdev);
903     Device * dev = static_cast<Device *>(vdev);
904     Context *rsc = Context::createContext(dev, NULL, ct, forceCpu, synchronous);
905     if (rsc) {
906         rsc->setTargetSdkVersion(sdkVersion);
907     }
908     return rsc;
909 }
910 
911 #ifndef RS_COMPATIBILITY_LIB
rsContextCreateGL(RsDevice vdev,uint32_t version,uint32_t sdkVersion,RsSurfaceConfig sc,uint32_t dpi)912 RsContext rsContextCreateGL(RsDevice vdev, uint32_t version,
913                             uint32_t sdkVersion, RsSurfaceConfig sc,
914                             uint32_t dpi) {
915     //ALOGV("rsContextCreateGL dev=%p", vdev);
916     Device * dev = static_cast<Device *>(vdev);
917     Context *rsc = Context::createContext(dev, &sc);
918     if (rsc) {
919         rsc->setTargetSdkVersion(sdkVersion);
920         rsc->setDPI(dpi);
921     }
922     //ALOGV("%p rsContextCreateGL ret", rsc);
923     return rsc;
924 }
925 #endif
926 
927 // Only to be called at a3d load time, before object is visible to user
928 // not thread safe
rsaGetName(RsContext con,void * obj,const char ** name)929 void rsaGetName(RsContext con, void * obj, const char **name) {
930     ObjectBase *ob = static_cast<ObjectBase *>(obj);
931     (*name) = ob->getName();
932 }
933