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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 #include "rsgApiStructs.h"
23 
24 #ifndef RS_COMPATIBILITY_LIB
25 #include "rsMesh.h"
26 #include <gui/DisplayEventReceiver.h>
27 #endif
28 
29 #include <sys/types.h>
30 #include <sys/resource.h>
31 #include <sched.h>
32 
33 #include <sys/syscall.h>
34 #include <string.h>
35 #include <dlfcn.h>
36 #include <inttypes.h>
37 #include <unistd.h>
38 
39 #if !defined(RS_SERVER) && !defined(RS_COMPATIBILITY_LIB) && \
40         defined(__ANDROID__)
41 #include <cutils/properties.h>
42 #endif
43 
44 #ifdef RS_COMPATIBILITY_LIB
45 #include "rsCompatibilityLib.h"
46 #endif
47 
48 int *gInternalDebuggerPresent = nullptr;
49 
50 #ifdef RS_SERVER
51 // Android exposes gettid(), standard Linux does not
gettid()52 static pid_t gettid() {
53     return syscall(SYS_gettid);
54 }
55 #endif
56 
57 using namespace android;
58 using namespace android::renderscript;
59 
60 pthread_mutex_t Context::gInitMutex = PTHREAD_MUTEX_INITIALIZER;
61 pthread_mutex_t Context::gMessageMutex = PTHREAD_MUTEX_INITIALIZER;
62 pthread_mutex_t Context::gLibMutex = PTHREAD_MUTEX_INITIALIZER;
63 
initGLThread()64 bool Context::initGLThread() {
65     pthread_mutex_lock(&gInitMutex);
66 
67     if (!mHal.funcs.initGraphics(this)) {
68         pthread_mutex_unlock(&gInitMutex);
69         ALOGE("%p initGraphics failed", this);
70         return false;
71     }
72 
73     pthread_mutex_unlock(&gInitMutex);
74     return true;
75 }
76 
deinitEGL()77 void Context::deinitEGL() {
78 #ifndef RS_COMPATIBILITY_LIB
79     mHal.funcs.shutdownGraphics(this);
80 #endif
81 }
82 
PushState(Context * con)83 Context::PushState::PushState(Context *con) {
84     mRsc = con;
85 #ifndef RS_COMPATIBILITY_LIB
86     if (con->mIsGraphicsContext) {
87         mFragment.set(con->getProgramFragment());
88         mVertex.set(con->getProgramVertex());
89         mStore.set(con->getProgramStore());
90         mRaster.set(con->getProgramRaster());
91         mFont.set(con->getFont());
92     }
93 #endif
94 }
95 
~PushState()96 Context::PushState::~PushState() {
97 #ifndef RS_COMPATIBILITY_LIB
98     if (mRsc->mIsGraphicsContext) {
99         mRsc->setProgramFragment(mFragment.get());
100         mRsc->setProgramVertex(mVertex.get());
101         mRsc->setProgramStore(mStore.get());
102         mRsc->setProgramRaster(mRaster.get());
103         mRsc->setFont(mFont.get());
104     }
105 #endif
106 }
107 
108 
runScript(Script * s)109 uint32_t Context::runScript(Script *s) {
110     PushState ps(this);
111 
112     uint32_t ret = s->run(this);
113     return ret;
114 }
115 
runRootScript()116 uint32_t Context::runRootScript() {
117     timerSet(RS_TIMER_SCRIPT);
118 #ifndef RS_COMPATIBILITY_LIB
119     mStateFragmentStore.mLast.clear();
120 #endif
121     watchdog.inRoot = true;
122     uint32_t ret = runScript(mRootScript.get());
123     watchdog.inRoot = false;
124 
125     return ret;
126 }
127 
getTime() const128 uint64_t Context::getTime() const {
129 #ifndef ANDROID_RS_SERIALIZE
130     struct timespec t;
131     clock_gettime(CLOCK_MONOTONIC, &t);
132     return t.tv_nsec + ((uint64_t)t.tv_sec * 1000 * 1000 * 1000);
133 #else
134     return 0;
135 #endif //ANDROID_RS_SERIALIZE
136 }
137 
timerReset()138 void Context::timerReset() {
139     for (int ct=0; ct < _RS_TIMER_TOTAL; ct++) {
140         mTimers[ct] = 0;
141     }
142 }
143 
timerInit()144 void Context::timerInit() {
145     mTimeLast = getTime();
146     mTimeFrame = mTimeLast;
147     mTimeLastFrame = mTimeLast;
148     mTimerActive = RS_TIMER_INTERNAL;
149     mAverageFPSFrameCount = 0;
150     mAverageFPSStartTime = mTimeLast;
151     mAverageFPS = 0;
152     timerReset();
153 }
154 
timerFrame()155 void Context::timerFrame() {
156     mTimeLastFrame = mTimeFrame;
157     mTimeFrame = getTime();
158     // Update average fps
159     const uint64_t averageFramerateInterval = 1000 * 1000000;
160     mAverageFPSFrameCount ++;
161     uint64_t inverval = mTimeFrame - mAverageFPSStartTime;
162     if (inverval >= averageFramerateInterval) {
163         inverval = inverval / 1000000;
164         mAverageFPS = (mAverageFPSFrameCount * 1000) / inverval;
165         mAverageFPSFrameCount = 0;
166         mAverageFPSStartTime = mTimeFrame;
167     }
168 }
169 
timerSet(Timers tm)170 void Context::timerSet(Timers tm) {
171     uint64_t last = mTimeLast;
172     mTimeLast = getTime();
173     mTimers[mTimerActive] += mTimeLast - last;
174     mTimerActive = tm;
175 }
176 
timerPrint()177 void Context::timerPrint() {
178     double total = 0;
179     for (int ct = 0; ct < _RS_TIMER_TOTAL; ct++) {
180         total += mTimers[ct];
181     }
182     uint64_t frame = mTimeFrame - mTimeLastFrame;
183     mTimeMSLastFrame = frame / 1000000;
184     mTimeMSLastScript = mTimers[RS_TIMER_SCRIPT] / 1000000;
185     mTimeMSLastSwap = mTimers[RS_TIMER_CLEAR_SWAP] / 1000000;
186 
187 
188     if (props.mLogTimes) {
189         ALOGV("RS: Frame (%i),   Script %2.1f%% (%i),  Swap %2.1f%% (%i),  Idle %2.1f%% (%" PRIi64 "),  "
190               "Internal %2.1f%% (%" PRIi64 "), Avg fps: %u",
191              mTimeMSLastFrame,
192              100.0 * mTimers[RS_TIMER_SCRIPT] / total, mTimeMSLastScript,
193              100.0 * mTimers[RS_TIMER_CLEAR_SWAP] / total, mTimeMSLastSwap,
194              100.0 * mTimers[RS_TIMER_IDLE] / total, mTimers[RS_TIMER_IDLE] / 1000000,
195              100.0 * mTimers[RS_TIMER_INTERNAL] / total, mTimers[RS_TIMER_INTERNAL] / 1000000,
196              mAverageFPS);
197     }
198 }
199 
setupCheck()200 bool Context::setupCheck() {
201 #ifndef RS_COMPATIBILITY_LIB
202     mFragmentStore->setup(this, &mStateFragmentStore);
203     mFragment->setup(this, &mStateFragment);
204     mRaster->setup(this, &mStateRaster);
205     mVertex->setup(this, &mStateVertex);
206     mFBOCache.setup(this);
207 #endif
208     return true;
209 }
210 
211 #ifndef RS_COMPATIBILITY_LIB
setupProgramStore()212 void Context::setupProgramStore() {
213     mFragmentStore->setup(this, &mStateFragmentStore);
214 }
215 #endif
216 
getProp(const char * str)217 static uint32_t getProp(const char *str) {
218 #if !defined(RS_SERVER) && defined(__ANDROID__)
219     char buf[PROPERTY_VALUE_MAX];
220     property_get(str, buf, "0");
221     return atoi(buf);
222 #else
223     return 0;
224 #endif
225 }
226 
displayDebugStats()227 void Context::displayDebugStats() {
228 #ifndef RS_COMPATIBILITY_LIB
229     char buffer[128];
230     sprintf(buffer, "Avg fps %u, Frame %i ms, Script %i ms", mAverageFPS, mTimeMSLastFrame, mTimeMSLastScript);
231     float oldR, oldG, oldB, oldA;
232     mStateFont.getFontColor(&oldR, &oldG, &oldB, &oldA);
233     uint32_t bufferLen = strlen(buffer);
234 
235     ObjectBaseRef<Font> lastFont(getFont());
236     setFont(nullptr);
237     float shadowCol = 0.1f;
238     mStateFont.setFontColor(shadowCol, shadowCol, shadowCol, 1.0f);
239     mStateFont.renderText(buffer, bufferLen, 5, getHeight() - 6);
240 
241     mStateFont.setFontColor(1.0f, 0.7f, 0.0f, 1.0f);
242     mStateFont.renderText(buffer, bufferLen, 4, getHeight() - 7);
243 
244     setFont(lastFont.get());
245     mStateFont.setFontColor(oldR, oldG, oldB, oldA);
246 #endif
247 }
248 
threadProc(void * vrsc)249 void * Context::threadProc(void *vrsc) {
250     Context *rsc = static_cast<Context *>(vrsc);
251 
252 #ifndef ANDROID_RS_SERIALIZE
253     rsc->mNativeThreadId = gettid();
254 #endif //ANDROID_RS_SERIALIZE
255 
256     rsc->props.mLogTimes = getProp("debug.rs.profile") != 0;
257     rsc->props.mLogScripts = getProp("debug.rs.script") != 0;
258     rsc->props.mLogShaders = getProp("debug.rs.shader") != 0;
259     rsc->props.mLogShadersAttr = getProp("debug.rs.shader.attributes") != 0;
260     rsc->props.mLogShadersUniforms = getProp("debug.rs.shader.uniforms") != 0;
261     rsc->props.mLogVisual = getProp("debug.rs.visual") != 0;
262     rsc->props.mLogReduce = getProp("debug.rs.reduce");
263     rsc->props.mDebugReduceSplitAccum = getProp("debug.rs.reduce-split-accum") != 0;
264     rsc->props.mDebugMaxThreads = getProp("debug.rs.max-threads");
265 
266     if (getProp("debug.rs.debug") != 0) {
267         ALOGD("Forcing debug context due to debug.rs.debug.");
268         rsc->mContextType = RS_CONTEXT_TYPE_DEBUG;
269         rsc->mForceCpu = true;
270     }
271 
272     bool forceCpu = getProp("debug.rs.default-CPU-driver") != 0;
273     if (forceCpu) {
274         ALOGD("Skipping hardware driver and loading default CPU driver");
275         rsc->mForceCpu = true;
276     }
277 
278     rsc->mForceCpu |= rsc->mIsGraphicsContext;
279     rsc->loadDriver(rsc->mForceCpu);
280 
281     if (!rsc->isSynchronous()) {
282         // Due to legacy we default to normal_graphics
283         // setPriority will make the adjustments as needed.
284         rsc->setPriority(RS_THREAD_PRIORITY_NORMAL_GRAPHICS);
285     }
286 
287 #ifndef RS_COMPATIBILITY_LIB
288     if (rsc->mIsGraphicsContext) {
289         if (!rsc->initGLThread()) {
290             rsc->setError(RS_ERROR_OUT_OF_MEMORY, "Failed initializing GL");
291             return nullptr;
292         }
293 
294         rsc->mStateRaster.init(rsc);
295         rsc->setProgramRaster(nullptr);
296         rsc->mStateVertex.init(rsc);
297         rsc->setProgramVertex(nullptr);
298         rsc->mStateFragment.init(rsc);
299         rsc->setProgramFragment(nullptr);
300         rsc->mStateFragmentStore.init(rsc);
301         rsc->setProgramStore(nullptr);
302         rsc->mStateFont.init(rsc);
303         rsc->setFont(nullptr);
304         rsc->mStateSampler.init(rsc);
305         rsc->mFBOCache.init(rsc);
306     }
307 #endif
308 
309     rsc->mRunning = true;
310 
311     if (rsc->isSynchronous()) {
312         return nullptr;
313     }
314 
315     if (!rsc->mIsGraphicsContext) {
316         while (!rsc->mExit) {
317             rsc->mIO.playCoreCommands(rsc, -1);
318         }
319 #ifndef RS_COMPATIBILITY_LIB
320     } else {
321 #ifndef ANDROID_RS_SERIALIZE
322         DisplayEventReceiver displayEvent;
323         DisplayEventReceiver::Event eventBuffer[1];
324 #endif
325         int vsyncRate = 0;
326         int targetRate = 0;
327 
328         bool drawOnce = false;
329         while (!rsc->mExit) {
330             rsc->timerSet(RS_TIMER_IDLE);
331 
332 #ifndef ANDROID_RS_SERIALIZE
333             if (!rsc->mRootScript.get() || !rsc->mHasSurface || rsc->mPaused) {
334                 targetRate = 0;
335             }
336 
337             if (vsyncRate != targetRate) {
338                 displayEvent.setVsyncRate(targetRate);
339                 vsyncRate = targetRate;
340             }
341             if (targetRate) {
342                 drawOnce |= rsc->mIO.playCoreCommands(rsc, displayEvent.getFd());
343                 while (displayEvent.getEvents(eventBuffer, 1) != 0) {
344                     //ALOGE("vs2 time past %lld", (rsc->getTime() - eventBuffer[0].header.timestamp) / 1000000);
345                 }
346             } else
347 #endif
348             {
349                 drawOnce |= rsc->mIO.playCoreCommands(rsc, -1);
350             }
351 
352             if ((rsc->mRootScript.get() != nullptr) && rsc->mHasSurface &&
353                 (targetRate || drawOnce) && !rsc->mPaused) {
354 
355                 drawOnce = false;
356                 targetRate = ((rsc->runRootScript() + 15) / 16);
357 
358                 if (rsc->props.mLogVisual) {
359                     rsc->displayDebugStats();
360                 }
361 
362                 rsc->timerSet(RS_TIMER_CLEAR_SWAP);
363                 rsc->mHal.funcs.swap(rsc);
364                 rsc->timerFrame();
365                 rsc->timerSet(RS_TIMER_INTERNAL);
366                 rsc->timerPrint();
367                 rsc->timerReset();
368             }
369         }
370 #endif
371     }
372 
373     //ALOGV("%p RS Thread exiting", rsc);
374 
375 #ifndef RS_COMPATIBILITY_LIB
376     if (rsc->mIsGraphicsContext) {
377         pthread_mutex_lock(&gInitMutex);
378         rsc->deinitEGL();
379         pthread_mutex_unlock(&gInitMutex);
380     }
381 #endif
382 
383     //ALOGV("%p RS Thread exited", rsc);
384     return nullptr;
385 }
386 
destroyWorkerThreadResources()387 void Context::destroyWorkerThreadResources() {
388     //ALOGV("destroyWorkerThreadResources 1");
389     ObjectBase::zeroAllUserRef(this);
390 #ifndef RS_COMPATIBILITY_LIB
391     if (mIsGraphicsContext) {
392          mRaster.clear();
393          mFragment.clear();
394          mVertex.clear();
395          mFragmentStore.clear();
396          mFont.clear();
397          mRootScript.clear();
398          mStateRaster.deinit(this);
399          mStateVertex.deinit(this);
400          mStateFragment.deinit(this);
401          mStateFragmentStore.deinit(this);
402          mStateFont.deinit(this);
403          mStateSampler.deinit(this);
404          mFBOCache.deinit(this);
405     }
406 #endif
407     ObjectBase::freeAllChildren(this);
408     mExit = true;
409     //ALOGV("destroyWorkerThreadResources 2");
410 }
411 
printWatchdogInfo(void * ctx)412 void Context::printWatchdogInfo(void *ctx) {
413     Context *rsc = (Context *)ctx;
414     if (rsc->watchdog.command && rsc->watchdog.file) {
415         ALOGE("RS watchdog timeout: %i  %s  line %i %s", rsc->watchdog.inRoot,
416              rsc->watchdog.command, rsc->watchdog.line, rsc->watchdog.file);
417     } else {
418         ALOGE("RS watchdog timeout: %i", rsc->watchdog.inRoot);
419     }
420 }
421 
422 
setPriority(int32_t p)423 void Context::setPriority(int32_t p) {
424     switch (p) {
425     // The public API will always send NORMAL_GRAPHICS
426     // for normal, we adjust here
427     case RS_THREAD_PRIORITY_NORMAL_GRAPHICS:
428         if (mIsGraphicsContext) {
429             break;
430         } else {
431             if (mHal.flags & RS_CONTEXT_LOW_LATENCY) {
432                 p = RS_THREAD_PRIORITY_LOW_LATENCY;
433             } else {
434                 p = RS_THREAD_PRIORITY_NORMAL;
435             }
436         }
437     case RS_THREAD_PRIORITY_LOW:
438         break;
439     }
440 
441     // Note: If we put this in the proper "background" policy
442     // the wallpapers can become completly unresponsive at times.
443     // This is probably not what we want for something the user is actively
444     // looking at.
445     mThreadPriority = p;
446     setpriority(PRIO_PROCESS, mNativeThreadId, p);
447     mHal.funcs.setPriority(this, mThreadPriority);
448 }
449 
Context()450 Context::Context() {
451     mDev = nullptr;
452     mRunning = false;
453     mExit = false;
454     mPaused = false;
455     mObjHead = nullptr;
456     mError = RS_ERROR_NONE;
457     mTargetSdkVersion = 14;
458     mDPI = 96;
459     mIsContextLite = false;
460     memset(&watchdog, 0, sizeof(watchdog));
461     memset(&mHal, 0, sizeof(mHal));
462     mForceCpu = false;
463     mContextType = RS_CONTEXT_TYPE_NORMAL;
464     mOptLevel = 3;
465     mSynchronous = false;
466     mFatalErrorOccured = false;
467 
468     memset(mCacheDir, 0, sizeof(mCacheDir));
469 #ifdef RS_COMPATIBILITY_LIB
470     memset(nativeLibDir, 0, sizeof(nativeLibDir));
471 #endif
472 }
473 
setCacheDir(const char * cacheDir_arg,uint32_t length)474 void Context::setCacheDir(const char * cacheDir_arg, uint32_t length) {
475     if (!hasSetCacheDir) {
476         if (length <= PATH_MAX) {
477             memcpy(mCacheDir, cacheDir_arg, length);
478             mCacheDir[length] = 0;
479             hasSetCacheDir = true;
480         } else {
481             setError(RS_ERROR_BAD_VALUE, "Invalid path");
482         }
483     }
484 }
485 
waitForDebugger()486 void Context::waitForDebugger() {
487     // Wait until this symbol has been properly set up, and the flag itself is
488     // set to a non-zero value.
489     while (!gInternalDebuggerPresent || !*gInternalDebuggerPresent) {
490         sleep(0);
491     }
492 }
493 
createContext(Device * dev,const RsSurfaceConfig * sc,RsContextType ct,uint32_t flags)494 Context * Context::createContext(Device *dev, const RsSurfaceConfig *sc,
495                                  RsContextType ct, uint32_t flags) {
496     Context * rsc = new Context();
497 
498     if (flags & RS_CONTEXT_LOW_LATENCY) {
499         rsc->mForceCpu = true;
500     }
501     if (flags & RS_CONTEXT_SYNCHRONOUS) {
502         rsc->mSynchronous = true;
503     }
504     rsc->mContextType = ct;
505     rsc->mHal.flags = flags;
506 
507     if (!rsc->initContext(dev, sc)) {
508         delete rsc;
509         return nullptr;
510     }
511 
512     if (flags & RS_CONTEXT_WAIT_FOR_ATTACH) {
513         rsc->waitForDebugger();
514     }
515 
516     return rsc;
517 }
518 
createContextLite()519 Context * Context::createContextLite() {
520     Context * rsc = new Context();
521     rsc->mIsContextLite = true;
522     return rsc;
523 }
524 
initContext(Device * dev,const RsSurfaceConfig * sc)525 bool Context::initContext(Device *dev, const RsSurfaceConfig *sc) {
526     pthread_mutex_lock(&gInitMutex);
527 
528     mIO.init();
529     mIO.setTimeoutCallback(printWatchdogInfo, this, 2e9);
530 
531     dev->addContext(this);
532     mDev = dev;
533     if (sc) {
534         mUserSurfaceConfig = *sc;
535     } else {
536         memset(&mUserSurfaceConfig, 0, sizeof(mUserSurfaceConfig));
537     }
538 
539     mIsGraphicsContext = sc != nullptr;
540 
541     int status;
542     pthread_attr_t threadAttr;
543 
544     pthread_mutex_unlock(&gInitMutex);
545 
546     // Global init done at this point.
547 
548     status = pthread_attr_init(&threadAttr);
549     if (status) {
550         ALOGE("Failed to init thread attribute.");
551         return false;
552     }
553 
554     mHasSurface = false;
555     mDriverName = NULL;
556 
557     timerInit();
558     timerSet(RS_TIMER_INTERNAL);
559     if (mSynchronous) {
560         threadProc(this);
561 
562         if (mError != RS_ERROR_NONE) {
563             ALOGE("Errors during thread init (sync mode)");
564             return false;
565         }
566     } else {
567         status = pthread_create(&mThreadId, &threadAttr, threadProc, this);
568         if (status) {
569             ALOGE("Failed to start rs context thread.");
570             return false;
571         }
572         while (!mRunning && (mError == RS_ERROR_NONE)) {
573             usleep(100);
574         }
575 
576         if (mError != RS_ERROR_NONE) {
577             ALOGE("Errors during thread init");
578             return false;
579         }
580 
581         pthread_attr_destroy(&threadAttr);
582     }
583     return true;
584 }
585 
~Context()586 Context::~Context() {
587     if (!mIsContextLite) {
588         mPaused = false;
589         void *res;
590 
591         mIO.shutdown();
592         if (!mSynchronous) {
593             pthread_join(mThreadId, &res);
594         }
595         rsAssert(mExit);
596 
597         if (mHal.funcs.shutdownDriver && mHal.drv) {
598             mHal.funcs.shutdownDriver(this);
599         }
600 
601         // Global structure cleanup.
602         pthread_mutex_lock(&gInitMutex);
603         if (mDev) {
604             mDev->removeContext(this);
605         }
606         pthread_mutex_unlock(&gInitMutex);
607     }
608 
609     delete mDev;
610 }
611 
612 #ifndef RS_COMPATIBILITY_LIB
setSurface(uint32_t w,uint32_t h,RsNativeWindow sur)613 void Context::setSurface(uint32_t w, uint32_t h, RsNativeWindow sur) {
614     rsAssert(mIsGraphicsContext);
615     mHal.funcs.setSurface(this, w, h, sur);
616 
617     mHasSurface = sur != nullptr;
618     mWidth = w;
619     mHeight = h;
620 
621     if (mWidth && mHeight) {
622         mStateVertex.updateSize(this);
623         mFBOCache.updateSize();
624     }
625 }
626 
getCurrentSurfaceWidth() const627 uint32_t Context::getCurrentSurfaceWidth() const {
628     for (uint32_t i = 0; i < mFBOCache.mHal.state.colorTargetsCount; i ++) {
629         if (mFBOCache.mHal.state.colorTargets[i] != nullptr) {
630             return mFBOCache.mHal.state.colorTargets[i]->getType()->getDimX();
631         }
632     }
633     if (mFBOCache.mHal.state.depthTarget != nullptr) {
634         return mFBOCache.mHal.state.depthTarget->getType()->getDimX();
635     }
636     return mWidth;
637 }
638 
getCurrentSurfaceHeight() const639 uint32_t Context::getCurrentSurfaceHeight() const {
640     for (uint32_t i = 0; i < mFBOCache.mHal.state.colorTargetsCount; i ++) {
641         if (mFBOCache.mHal.state.colorTargets[i] != nullptr) {
642             return mFBOCache.mHal.state.colorTargets[i]->getType()->getDimY();
643         }
644     }
645     if (mFBOCache.mHal.state.depthTarget != nullptr) {
646         return mFBOCache.mHal.state.depthTarget->getType()->getDimY();
647     }
648     return mHeight;
649 }
650 
pause()651 void Context::pause() {
652     rsAssert(mIsGraphicsContext);
653     mPaused = true;
654 }
655 
resume()656 void Context::resume() {
657     rsAssert(mIsGraphicsContext);
658     mPaused = false;
659 }
660 
setRootScript(Script * s)661 void Context::setRootScript(Script *s) {
662     rsAssert(mIsGraphicsContext);
663     mRootScript.set(s);
664 }
665 
setProgramStore(ProgramStore * pfs)666 void Context::setProgramStore(ProgramStore *pfs) {
667     rsAssert(mIsGraphicsContext);
668     if (pfs == nullptr) {
669         mFragmentStore.set(mStateFragmentStore.mDefault);
670     } else {
671         mFragmentStore.set(pfs);
672     }
673 }
674 
setProgramFragment(ProgramFragment * pf)675 void Context::setProgramFragment(ProgramFragment *pf) {
676     rsAssert(mIsGraphicsContext);
677     if (pf == nullptr) {
678         mFragment.set(mStateFragment.mDefault);
679     } else {
680         mFragment.set(pf);
681     }
682 }
683 
setProgramRaster(ProgramRaster * pr)684 void Context::setProgramRaster(ProgramRaster *pr) {
685     rsAssert(mIsGraphicsContext);
686     if (pr == nullptr) {
687         mRaster.set(mStateRaster.mDefault);
688     } else {
689         mRaster.set(pr);
690     }
691 }
692 
setProgramVertex(ProgramVertex * pv)693 void Context::setProgramVertex(ProgramVertex *pv) {
694     rsAssert(mIsGraphicsContext);
695     if (pv == nullptr) {
696         mVertex.set(mStateVertex.mDefault);
697     } else {
698         mVertex.set(pv);
699     }
700 }
701 
setFont(Font * f)702 void Context::setFont(Font *f) {
703     rsAssert(mIsGraphicsContext);
704     if (f == nullptr) {
705         mFont.set(mStateFont.mDefault);
706     } else {
707         mFont.set(f);
708     }
709 }
710 #endif
711 
finish()712 void Context::finish() {
713     if (mHal.funcs.finish) {
714         mHal.funcs.finish(this);
715     }
716 }
717 
assignName(ObjectBase * obj,const char * name,uint32_t len)718 void Context::assignName(ObjectBase *obj, const char *name, uint32_t len) {
719     rsAssert(!obj->getName());
720     obj->setName(name, len);
721     mNames.add(obj);
722 }
723 
removeName(ObjectBase * obj)724 void Context::removeName(ObjectBase *obj) {
725     for (size_t ct=0; ct < mNames.size(); ct++) {
726         if (obj == mNames[ct]) {
727             mNames.removeAt(ct);
728             return;
729         }
730     }
731 }
732 
peekMessageToClient(size_t * receiveLen,uint32_t * subID)733 RsMessageToClientType Context::peekMessageToClient(size_t *receiveLen, uint32_t *subID) {
734     return (RsMessageToClientType)mIO.getClientHeader(receiveLen, subID);
735 }
736 
getMessageToClient(void * data,size_t * receiveLen,uint32_t * subID,size_t bufferLen)737 RsMessageToClientType Context::getMessageToClient(void *data, size_t *receiveLen, uint32_t *subID, size_t bufferLen) {
738     return (RsMessageToClientType)mIO.getClientPayload(data, receiveLen, subID, bufferLen);
739 }
740 
sendMessageToClient(const void * data,RsMessageToClientType cmdID,uint32_t subID,size_t len,bool waitForSpace) const741 bool Context::sendMessageToClient(const void *data, RsMessageToClientType cmdID,
742                                   uint32_t subID, size_t len, bool waitForSpace) const {
743 
744     pthread_mutex_lock(&gMessageMutex);
745     bool ret = mIO.sendToClient(cmdID, subID, data, len, waitForSpace);
746     pthread_mutex_unlock(&gMessageMutex);
747     return ret;
748 }
749 
initToClient()750 void Context::initToClient() {
751     while (!mRunning) {
752         usleep(100);
753     }
754 }
755 
deinitToClient()756 void Context::deinitToClient() {
757     mIO.clientShutdown();
758 }
759 
setError(RsError e,const char * msg) const760 void Context::setError(RsError e, const char *msg) const {
761     mError = e;
762 
763     if (mError >= RS_ERROR_FATAL_DEBUG) {
764         // If a FATAL error occurred, set the flag to indicate the process
765         // will be goign down
766         mFatalErrorOccured = true;
767     }
768 
769     sendMessageToClient(msg, RS_MESSAGE_TO_CLIENT_ERROR, e, strlen(msg) + 1, true);
770 }
771 
772 
dumpDebug() const773 void Context::dumpDebug() const {
774     ALOGE("RS Context debug %p", this);
775     ALOGE("RS Context debug");
776 
777     ALOGE(" RS width %i, height %i", mWidth, mHeight);
778     ALOGE(" RS running %i, exit %i, paused %i", mRunning, mExit, mPaused);
779     ALOGE(" RS pThreadID %li, nativeThreadID %i", (long int)mThreadId, mNativeThreadId);
780 }
781 
782 ///////////////////////////////////////////////////////////////////////////////////////////
783 //
784 
785 namespace android {
786 namespace renderscript {
787 
rsi_ContextFinish(Context * rsc)788 void rsi_ContextFinish(Context *rsc) {
789     rsc->finish();
790 }
791 
rsi_ContextBindRootScript(Context * rsc,RsScript vs)792 void 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 
rsi_ContextSetCacheDir(Context * rsc,const char * cacheDir,size_t cacheDir_length)799 void rsi_ContextSetCacheDir(Context *rsc, const char *cacheDir, size_t cacheDir_length) {
800     rsc->setCacheDir(cacheDir, cacheDir_length);
801 }
802 
rsi_ContextBindSampler(Context * rsc,uint32_t slot,RsSampler vs)803 void rsi_ContextBindSampler(Context *rsc, uint32_t slot, RsSampler vs) {
804     Sampler *s = static_cast<Sampler *>(vs);
805 
806     if (slot > RS_MAX_SAMPLER_SLOT) {
807         ALOGE("Invalid sampler slot");
808         return;
809     }
810 
811     s->bindToContext(&rsc->mStateSampler, slot);
812 }
813 
814 #ifndef RS_COMPATIBILITY_LIB
rsi_ContextBindProgramStore(Context * rsc,RsProgramStore vpfs)815 void rsi_ContextBindProgramStore(Context *rsc, RsProgramStore vpfs) {
816     ProgramStore *pfs = static_cast<ProgramStore *>(vpfs);
817     rsc->setProgramStore(pfs);
818 }
819 
rsi_ContextBindProgramFragment(Context * rsc,RsProgramFragment vpf)820 void rsi_ContextBindProgramFragment(Context *rsc, RsProgramFragment vpf) {
821     ProgramFragment *pf = static_cast<ProgramFragment *>(vpf);
822     rsc->setProgramFragment(pf);
823 }
824 
rsi_ContextBindProgramRaster(Context * rsc,RsProgramRaster vpr)825 void rsi_ContextBindProgramRaster(Context *rsc, RsProgramRaster vpr) {
826     ProgramRaster *pr = static_cast<ProgramRaster *>(vpr);
827     rsc->setProgramRaster(pr);
828 }
829 
rsi_ContextBindProgramVertex(Context * rsc,RsProgramVertex vpv)830 void rsi_ContextBindProgramVertex(Context *rsc, RsProgramVertex vpv) {
831     ProgramVertex *pv = static_cast<ProgramVertex *>(vpv);
832     rsc->setProgramVertex(pv);
833 }
834 
rsi_ContextBindFont(Context * rsc,RsFont vfont)835 void rsi_ContextBindFont(Context *rsc, RsFont vfont) {
836     Font *font = static_cast<Font *>(vfont);
837     rsc->setFont(font);
838 }
839 #endif
840 
rsi_AssignName(Context * rsc,RsObjectBase obj,const char * name,size_t name_length)841 void rsi_AssignName(Context *rsc, RsObjectBase obj, const char *name, size_t name_length) {
842     ObjectBase *ob = static_cast<ObjectBase *>(obj);
843     rsc->assignName(ob, name, name_length);
844 }
845 
rsi_ObjDestroy(Context * rsc,void * optr)846 void rsi_ObjDestroy(Context *rsc, void *optr) {
847     ObjectBase *ob = static_cast<ObjectBase *>(optr);
848     rsc->removeName(ob);
849     ob->decUserRef();
850 }
851 
852 #ifndef RS_COMPATIBILITY_LIB
rsi_ContextPause(Context * rsc)853 void rsi_ContextPause(Context *rsc) {
854     rsc->pause();
855 }
856 
rsi_ContextResume(Context * rsc)857 void rsi_ContextResume(Context *rsc) {
858     rsc->resume();
859 }
860 
rsi_ContextSetSurface(Context * rsc,uint32_t w,uint32_t h,RsNativeWindow sur)861 void rsi_ContextSetSurface(Context *rsc, uint32_t w, uint32_t h, RsNativeWindow sur) {
862     rsc->setSurface(w, h, sur);
863 }
864 #endif
865 
rsi_ContextSetPriority(Context * rsc,int32_t p)866 void rsi_ContextSetPriority(Context *rsc, int32_t p) {
867     rsc->setPriority(p);
868 }
869 
rsi_ContextDump(Context * rsc,int32_t bits)870 void rsi_ContextDump(Context *rsc, int32_t bits) {
871     ObjectBase::dumpAll(rsc);
872 }
873 
rsi_ContextDestroyWorker(Context * rsc)874 void rsi_ContextDestroyWorker(Context *rsc) {
875     rsc->destroyWorkerThreadResources();
876 }
877 
rsi_ContextDestroy(Context * rsc)878 void rsi_ContextDestroy(Context *rsc) {
879     //ALOGE("%p rsContextDestroy", rsc);
880     rsc->destroyWorkerThreadResources();
881     delete rsc;
882     //ALOGV("%p rsContextDestroy done", rsc);
883 }
884 
rsi_ContextPeekMessage(Context * rsc,size_t * receiveLen,size_t receiveLen_length,uint32_t * subID,size_t subID_length)885 RsMessageToClientType rsi_ContextPeekMessage(Context *rsc,
886                                            size_t * receiveLen, size_t receiveLen_length,
887                                            uint32_t * subID, size_t subID_length) {
888     return rsc->peekMessageToClient(receiveLen, subID);
889 }
890 
rsi_ContextGetMessage(Context * rsc,void * data,size_t data_length,size_t * receiveLen,size_t receiveLen_length,uint32_t * subID,size_t subID_length)891 RsMessageToClientType rsi_ContextGetMessage(Context *rsc, void * data, size_t data_length,
892                                           size_t * receiveLen, size_t receiveLen_length,
893                                           uint32_t * subID, size_t subID_length) {
894     rsAssert(subID_length == sizeof(uint32_t));
895     rsAssert(receiveLen_length == sizeof(size_t));
896     return rsc->getMessageToClient(data, receiveLen, subID, data_length);
897 }
898 
rsi_ContextInitToClient(Context * rsc)899 void rsi_ContextInitToClient(Context *rsc) {
900     rsc->initToClient();
901 }
902 
rsi_ContextDeinitToClient(Context * rsc)903 void rsi_ContextDeinitToClient(Context *rsc) {
904     rsc->deinitToClient();
905 }
906 
rsi_ContextSendMessage(Context * rsc,uint32_t id,const uint8_t * data,size_t len)907 void rsi_ContextSendMessage(Context *rsc, uint32_t id, const uint8_t *data, size_t len) {
908     rsc->sendMessageToClient(data, RS_MESSAGE_TO_CLIENT_USER, id, len, true);
909 }
910 
911 // implementation of handcode LF_ObjDestroy
912 // required so nObjDestroy can be run from finalizer without blocking
LF_ObjDestroy_handcode(const Context * rsc,RsAsyncVoidPtr objPtr)913 void LF_ObjDestroy_handcode(const Context *rsc, RsAsyncVoidPtr objPtr) {
914     if (((Context *)rsc)->isSynchronous()) {
915         rsi_ObjDestroy((Context *)rsc, objPtr);
916         return;
917     }
918 
919     // struct has two parts:
920     // RsPlaybackRemoteHeader (cmdID and bytes)
921     // RS_CMD_ObjDestroy (ptr)
922     struct destroyCmd {
923         uint32_t cmdID;
924         uint32_t bytes;
925         RsAsyncVoidPtr ptr;
926      };
927 
928     destroyCmd cmd;
929     cmd.cmdID = RS_CMD_ID_ObjDestroy;
930     cmd.bytes = sizeof(RsAsyncVoidPtr);
931     cmd.ptr = objPtr;
932     ThreadIO *io = &((Context *)rsc)->mIO;
933     io->coreWrite((void*)&cmd, sizeof(destroyCmd));
934 
935 }
936 
937 }
938 }
939