1 /*
2  * Copyright (C) 2011 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #include "rs.h"
18 #include "rsDevice.h"
19 #include "rsContext.h"
20 #include "rsThreadIO.h"
21 
22 #include "rsgApiStructs.h"
23 
24 #ifndef RS_COMPATIBILITY_LIB
25 #include "rsMesh.h"
26 #include <gui/DisplayEventReceiver.h>
27 #endif
28 
29 #include <sys/types.h>
30 #include <sys/resource.h>
31 #include <sched.h>
32 
33 #include <sys/syscall.h>
34 #include <string.h>
35 #include <dlfcn.h>
36 #include <inttypes.h>
37 #include <unistd.h>
38 
39 #if !defined(RS_SERVER) && !defined(RS_COMPATIBILITY_LIB) && \
40         defined(HAVE_ANDROID_OS)
41 #include <cutils/properties.h>
42 #endif
43 
44 #ifdef RS_COMPATIBILITY_LIB
45 #include "rsCompatibilityLib.h"
46 #endif
47 
48 int gDebuggerPresent = 0;
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(HAVE_ANDROID_OS)
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.mDebugMaxThreads = getProp("debug.rs.max-threads");
263 
264     if (getProp("debug.rs.debug") != 0) {
265         ALOGD("Forcing debug context due to debug.rs.debug.");
266         rsc->mContextType = RS_CONTEXT_TYPE_DEBUG;
267         rsc->mForceCpu = true;
268     }
269 
270     bool forceCpu = getProp("debug.rs.default-CPU-driver") != 0;
271     if (forceCpu) {
272         ALOGD("Skipping hardware driver and loading default CPU driver");
273         rsc->mForceCpu = true;
274     }
275 
276     rsc->mForceCpu |= rsc->mIsGraphicsContext;
277     rsc->loadDriver(rsc->mForceCpu);
278 
279     if (!rsc->isSynchronous()) {
280         // Due to legacy we default to normal_graphics
281         // setPriority will make the adjustments as needed.
282         rsc->setPriority(RS_THREAD_PRIORITY_NORMAL_GRAPHICS);
283     }
284 
285 #ifndef RS_COMPATIBILITY_LIB
286     if (rsc->mIsGraphicsContext) {
287         if (!rsc->initGLThread()) {
288             rsc->setError(RS_ERROR_OUT_OF_MEMORY, "Failed initializing GL");
289             return nullptr;
290         }
291 
292         rsc->mStateRaster.init(rsc);
293         rsc->setProgramRaster(nullptr);
294         rsc->mStateVertex.init(rsc);
295         rsc->setProgramVertex(nullptr);
296         rsc->mStateFragment.init(rsc);
297         rsc->setProgramFragment(nullptr);
298         rsc->mStateFragmentStore.init(rsc);
299         rsc->setProgramStore(nullptr);
300         rsc->mStateFont.init(rsc);
301         rsc->setFont(nullptr);
302         rsc->mStateSampler.init(rsc);
303         rsc->mFBOCache.init(rsc);
304     }
305 #endif
306 
307     rsc->mRunning = true;
308 
309     if (rsc->isSynchronous()) {
310         return nullptr;
311     }
312 
313     if (!rsc->mIsGraphicsContext) {
314         while (!rsc->mExit) {
315             rsc->mIO.playCoreCommands(rsc, -1);
316         }
317 #ifndef RS_COMPATIBILITY_LIB
318     } else {
319 #ifndef ANDROID_RS_SERIALIZE
320         DisplayEventReceiver displayEvent;
321         DisplayEventReceiver::Event eventBuffer[1];
322 #endif
323         int vsyncRate = 0;
324         int targetRate = 0;
325 
326         bool drawOnce = false;
327         while (!rsc->mExit) {
328             rsc->timerSet(RS_TIMER_IDLE);
329 
330 #ifndef ANDROID_RS_SERIALIZE
331             if (!rsc->mRootScript.get() || !rsc->mHasSurface || rsc->mPaused) {
332                 targetRate = 0;
333             }
334 
335             if (vsyncRate != targetRate) {
336                 displayEvent.setVsyncRate(targetRate);
337                 vsyncRate = targetRate;
338             }
339             if (targetRate) {
340                 drawOnce |= rsc->mIO.playCoreCommands(rsc, displayEvent.getFd());
341                 while (displayEvent.getEvents(eventBuffer, 1) != 0) {
342                     //ALOGE("vs2 time past %lld", (rsc->getTime() - eventBuffer[0].header.timestamp) / 1000000);
343                 }
344             } else
345 #endif
346             {
347                 drawOnce |= rsc->mIO.playCoreCommands(rsc, -1);
348             }
349 
350             if ((rsc->mRootScript.get() != nullptr) && rsc->mHasSurface &&
351                 (targetRate || drawOnce) && !rsc->mPaused) {
352 
353                 drawOnce = false;
354                 targetRate = ((rsc->runRootScript() + 15) / 16);
355 
356                 if (rsc->props.mLogVisual) {
357                     rsc->displayDebugStats();
358                 }
359 
360                 rsc->timerSet(RS_TIMER_CLEAR_SWAP);
361                 rsc->mHal.funcs.swap(rsc);
362                 rsc->timerFrame();
363                 rsc->timerSet(RS_TIMER_INTERNAL);
364                 rsc->timerPrint();
365                 rsc->timerReset();
366             }
367         }
368 #endif
369     }
370 
371     //ALOGV("%p RS Thread exiting", rsc);
372 
373 #ifndef RS_COMPATIBILITY_LIB
374     if (rsc->mIsGraphicsContext) {
375         pthread_mutex_lock(&gInitMutex);
376         rsc->deinitEGL();
377         pthread_mutex_unlock(&gInitMutex);
378     }
379 #endif
380 
381     //ALOGV("%p RS Thread exited", rsc);
382     return nullptr;
383 }
384 
destroyWorkerThreadResources()385 void Context::destroyWorkerThreadResources() {
386     //ALOGV("destroyWorkerThreadResources 1");
387     ObjectBase::zeroAllUserRef(this);
388 #ifndef RS_COMPATIBILITY_LIB
389     if (mIsGraphicsContext) {
390          mRaster.clear();
391          mFragment.clear();
392          mVertex.clear();
393          mFragmentStore.clear();
394          mFont.clear();
395          mRootScript.clear();
396          mStateRaster.deinit(this);
397          mStateVertex.deinit(this);
398          mStateFragment.deinit(this);
399          mStateFragmentStore.deinit(this);
400          mStateFont.deinit(this);
401          mStateSampler.deinit(this);
402          mFBOCache.deinit(this);
403     }
404 #endif
405     ObjectBase::freeAllChildren(this);
406     mExit = true;
407     //ALOGV("destroyWorkerThreadResources 2");
408 }
409 
printWatchdogInfo(void * ctx)410 void Context::printWatchdogInfo(void *ctx) {
411     Context *rsc = (Context *)ctx;
412     if (rsc->watchdog.command && rsc->watchdog.file) {
413         ALOGE("RS watchdog timeout: %i  %s  line %i %s", rsc->watchdog.inRoot,
414              rsc->watchdog.command, rsc->watchdog.line, rsc->watchdog.file);
415     } else {
416         ALOGE("RS watchdog timeout: %i", rsc->watchdog.inRoot);
417     }
418 }
419 
420 
setPriority(int32_t p)421 void Context::setPriority(int32_t p) {
422     switch (p) {
423     // The public API will always send NORMAL_GRAPHICS
424     // for normal, we adjust here
425     case RS_THREAD_PRIORITY_NORMAL_GRAPHICS:
426         if (mIsGraphicsContext) {
427             break;
428         } else {
429             if (mHal.flags & RS_CONTEXT_LOW_LATENCY) {
430                 p = RS_THREAD_PRIORITY_LOW_LATENCY;
431             } else {
432                 p = RS_THREAD_PRIORITY_NORMAL;
433             }
434         }
435     case RS_THREAD_PRIORITY_LOW:
436         break;
437     }
438 
439     // Note: If we put this in the proper "background" policy
440     // the wallpapers can become completly unresponsive at times.
441     // This is probably not what we want for something the user is actively
442     // looking at.
443     mThreadPriority = p;
444     setpriority(PRIO_PROCESS, mNativeThreadId, p);
445     mHal.funcs.setPriority(this, mThreadPriority);
446 }
447 
Context()448 Context::Context() {
449     mDev = nullptr;
450     mRunning = false;
451     mExit = false;
452     mPaused = false;
453     mObjHead = nullptr;
454     mError = RS_ERROR_NONE;
455     mTargetSdkVersion = 14;
456     mDPI = 96;
457     mIsContextLite = false;
458     memset(&watchdog, 0, sizeof(watchdog));
459     memset(&mHal, 0, sizeof(mHal));
460     mForceCpu = false;
461     mContextType = RS_CONTEXT_TYPE_NORMAL;
462     mSynchronous = false;
463     mFatalErrorOccured = false;
464 
465     memset(mCacheDir, 0, sizeof(mCacheDir));
466 #ifdef RS_COMPATIBILITY_LIB
467     memset(nativeLibDir, 0, sizeof(nativeLibDir));
468 #endif
469 }
470 
setCacheDir(const char * cacheDir_arg,uint32_t length)471 void Context::setCacheDir(const char * cacheDir_arg, uint32_t length) {
472     if (!hasSetCacheDir) {
473         if (length <= PATH_MAX) {
474             memcpy(mCacheDir, cacheDir_arg, length);
475             mCacheDir[length] = 0;
476             hasSetCacheDir = true;
477         } else {
478             setError(RS_ERROR_BAD_VALUE, "Invalid path");
479         }
480     }
481 }
482 
waitForDebugger()483 void Context::waitForDebugger() {
484     while (!gDebuggerPresent) {
485         sleep(0);
486     }
487 }
488 
createContext(Device * dev,const RsSurfaceConfig * sc,RsContextType ct,uint32_t flags)489 Context * Context::createContext(Device *dev, const RsSurfaceConfig *sc,
490                                  RsContextType ct, uint32_t flags) {
491     Context * rsc = new Context();
492 
493     if (flags & RS_CONTEXT_LOW_LATENCY) {
494         rsc->mForceCpu = true;
495     }
496     if (flags & RS_CONTEXT_SYNCHRONOUS) {
497         rsc->mSynchronous = true;
498     }
499     rsc->mContextType = ct;
500     rsc->mHal.flags = flags;
501 
502     if (!rsc->initContext(dev, sc)) {
503         delete rsc;
504         return nullptr;
505     }
506 
507     if (flags & RS_CONTEXT_WAIT_FOR_ATTACH) {
508         rsc->waitForDebugger();
509     }
510 
511     return rsc;
512 }
513 
createContextLite()514 Context * Context::createContextLite() {
515     Context * rsc = new Context();
516     rsc->mIsContextLite = true;
517     return rsc;
518 }
519 
initContext(Device * dev,const RsSurfaceConfig * sc)520 bool Context::initContext(Device *dev, const RsSurfaceConfig *sc) {
521     pthread_mutex_lock(&gInitMutex);
522 
523     mIO.init();
524     mIO.setTimeoutCallback(printWatchdogInfo, this, 2e9);
525 
526     dev->addContext(this);
527     mDev = dev;
528     if (sc) {
529         mUserSurfaceConfig = *sc;
530     } else {
531         memset(&mUserSurfaceConfig, 0, sizeof(mUserSurfaceConfig));
532     }
533 
534     mIsGraphicsContext = sc != nullptr;
535 
536     int status;
537     pthread_attr_t threadAttr;
538 
539     pthread_mutex_unlock(&gInitMutex);
540 
541     // Global init done at this point.
542 
543     status = pthread_attr_init(&threadAttr);
544     if (status) {
545         ALOGE("Failed to init thread attribute.");
546         return false;
547     }
548 
549     mHasSurface = false;
550     mDriverName = NULL;
551 
552     timerInit();
553     timerSet(RS_TIMER_INTERNAL);
554     if (mSynchronous) {
555         threadProc(this);
556 
557         if (mError != RS_ERROR_NONE) {
558             ALOGE("Errors during thread init (sync mode)");
559             return false;
560         }
561     } else {
562         status = pthread_create(&mThreadId, &threadAttr, threadProc, this);
563         if (status) {
564             ALOGE("Failed to start rs context thread.");
565             return false;
566         }
567         while (!mRunning && (mError == RS_ERROR_NONE)) {
568             usleep(100);
569         }
570 
571         if (mError != RS_ERROR_NONE) {
572             ALOGE("Errors during thread init");
573             return false;
574         }
575 
576         pthread_attr_destroy(&threadAttr);
577     }
578     return true;
579 }
580 
~Context()581 Context::~Context() {
582     //ALOGV("%p Context::~Context", this);
583 
584     if (!mIsContextLite) {
585         mPaused = false;
586         void *res;
587 
588         mIO.shutdown();
589         if (!mSynchronous) {
590             pthread_join(mThreadId, &res);
591         }
592         rsAssert(mExit);
593 
594         if (mHal.funcs.shutdownDriver && mHal.drv) {
595             mHal.funcs.shutdownDriver(this);
596         }
597 
598         // Global structure cleanup.
599         pthread_mutex_lock(&gInitMutex);
600         if (mDev) {
601             mDev->removeContext(this);
602             mDev = nullptr;
603         }
604         pthread_mutex_unlock(&gInitMutex);
605     }
606     //ALOGV("%p Context::~Context done", this);
607 }
608 
609 #ifndef RS_COMPATIBILITY_LIB
setSurface(uint32_t w,uint32_t h,RsNativeWindow sur)610 void Context::setSurface(uint32_t w, uint32_t h, RsNativeWindow sur) {
611     rsAssert(mIsGraphicsContext);
612     mHal.funcs.setSurface(this, w, h, sur);
613 
614     mHasSurface = sur != nullptr;
615     mWidth = w;
616     mHeight = h;
617 
618     if (mWidth && mHeight) {
619         mStateVertex.updateSize(this);
620         mFBOCache.updateSize();
621     }
622 }
623 
getCurrentSurfaceWidth() const624 uint32_t Context::getCurrentSurfaceWidth() const {
625     for (uint32_t i = 0; i < mFBOCache.mHal.state.colorTargetsCount; i ++) {
626         if (mFBOCache.mHal.state.colorTargets[i] != nullptr) {
627             return mFBOCache.mHal.state.colorTargets[i]->getType()->getDimX();
628         }
629     }
630     if (mFBOCache.mHal.state.depthTarget != nullptr) {
631         return mFBOCache.mHal.state.depthTarget->getType()->getDimX();
632     }
633     return mWidth;
634 }
635 
getCurrentSurfaceHeight() const636 uint32_t Context::getCurrentSurfaceHeight() const {
637     for (uint32_t i = 0; i < mFBOCache.mHal.state.colorTargetsCount; i ++) {
638         if (mFBOCache.mHal.state.colorTargets[i] != nullptr) {
639             return mFBOCache.mHal.state.colorTargets[i]->getType()->getDimY();
640         }
641     }
642     if (mFBOCache.mHal.state.depthTarget != nullptr) {
643         return mFBOCache.mHal.state.depthTarget->getType()->getDimY();
644     }
645     return mHeight;
646 }
647 
pause()648 void Context::pause() {
649     rsAssert(mIsGraphicsContext);
650     mPaused = true;
651 }
652 
resume()653 void Context::resume() {
654     rsAssert(mIsGraphicsContext);
655     mPaused = false;
656 }
657 
setRootScript(Script * s)658 void Context::setRootScript(Script *s) {
659     rsAssert(mIsGraphicsContext);
660     mRootScript.set(s);
661 }
662 
setProgramStore(ProgramStore * pfs)663 void Context::setProgramStore(ProgramStore *pfs) {
664     rsAssert(mIsGraphicsContext);
665     if (pfs == nullptr) {
666         mFragmentStore.set(mStateFragmentStore.mDefault);
667     } else {
668         mFragmentStore.set(pfs);
669     }
670 }
671 
setProgramFragment(ProgramFragment * pf)672 void Context::setProgramFragment(ProgramFragment *pf) {
673     rsAssert(mIsGraphicsContext);
674     if (pf == nullptr) {
675         mFragment.set(mStateFragment.mDefault);
676     } else {
677         mFragment.set(pf);
678     }
679 }
680 
setProgramRaster(ProgramRaster * pr)681 void Context::setProgramRaster(ProgramRaster *pr) {
682     rsAssert(mIsGraphicsContext);
683     if (pr == nullptr) {
684         mRaster.set(mStateRaster.mDefault);
685     } else {
686         mRaster.set(pr);
687     }
688 }
689 
setProgramVertex(ProgramVertex * pv)690 void Context::setProgramVertex(ProgramVertex *pv) {
691     rsAssert(mIsGraphicsContext);
692     if (pv == nullptr) {
693         mVertex.set(mStateVertex.mDefault);
694     } else {
695         mVertex.set(pv);
696     }
697 }
698 
setFont(Font * f)699 void Context::setFont(Font *f) {
700     rsAssert(mIsGraphicsContext);
701     if (f == nullptr) {
702         mFont.set(mStateFont.mDefault);
703     } else {
704         mFont.set(f);
705     }
706 }
707 #endif
708 
finish()709 void Context::finish() {
710     if (mHal.funcs.finish) {
711         mHal.funcs.finish(this);
712     }
713 }
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 
760     if (mError >= RS_ERROR_FATAL_DEBUG) {
761         // If a FATAL error occurred, set the flag to indicate the process
762         // will be goign down
763         mFatalErrorOccured = true;
764     }
765 
766     sendMessageToClient(msg, RS_MESSAGE_TO_CLIENT_ERROR, e, strlen(msg) + 1, true);
767 }
768 
769 
dumpDebug() const770 void Context::dumpDebug() const {
771     ALOGE("RS Context debug %p", this);
772     ALOGE("RS Context debug");
773 
774     ALOGE(" RS width %i, height %i", mWidth, mHeight);
775     ALOGE(" RS running %i, exit %i, paused %i", mRunning, mExit, mPaused);
776     ALOGE(" RS pThreadID %li, nativeThreadID %i", (long int)mThreadId, mNativeThreadId);
777 }
778 
779 ///////////////////////////////////////////////////////////////////////////////////////////
780 //
781 
782 namespace android {
783 namespace renderscript {
784 
rsi_ContextFinish(Context * rsc)785 void rsi_ContextFinish(Context *rsc) {
786     rsc->finish();
787 }
788 
rsi_ContextBindRootScript(Context * rsc,RsScript vs)789 void rsi_ContextBindRootScript(Context *rsc, RsScript vs) {
790 #ifndef RS_COMPATIBILITY_LIB
791     Script *s = static_cast<Script *>(vs);
792     rsc->setRootScript(s);
793 #endif
794 }
795 
rsi_ContextSetCacheDir(Context * rsc,const char * cacheDir,size_t cacheDir_length)796 void rsi_ContextSetCacheDir(Context *rsc, const char *cacheDir, size_t cacheDir_length) {
797     rsc->setCacheDir(cacheDir, cacheDir_length);
798 }
799 
rsi_ContextBindSampler(Context * rsc,uint32_t slot,RsSampler vs)800 void rsi_ContextBindSampler(Context *rsc, uint32_t slot, RsSampler vs) {
801     Sampler *s = static_cast<Sampler *>(vs);
802 
803     if (slot > RS_MAX_SAMPLER_SLOT) {
804         ALOGE("Invalid sampler slot");
805         return;
806     }
807 
808     s->bindToContext(&rsc->mStateSampler, slot);
809 }
810 
811 #ifndef RS_COMPATIBILITY_LIB
rsi_ContextBindProgramStore(Context * rsc,RsProgramStore vpfs)812 void rsi_ContextBindProgramStore(Context *rsc, RsProgramStore vpfs) {
813     ProgramStore *pfs = static_cast<ProgramStore *>(vpfs);
814     rsc->setProgramStore(pfs);
815 }
816 
rsi_ContextBindProgramFragment(Context * rsc,RsProgramFragment vpf)817 void rsi_ContextBindProgramFragment(Context *rsc, RsProgramFragment vpf) {
818     ProgramFragment *pf = static_cast<ProgramFragment *>(vpf);
819     rsc->setProgramFragment(pf);
820 }
821 
rsi_ContextBindProgramRaster(Context * rsc,RsProgramRaster vpr)822 void rsi_ContextBindProgramRaster(Context *rsc, RsProgramRaster vpr) {
823     ProgramRaster *pr = static_cast<ProgramRaster *>(vpr);
824     rsc->setProgramRaster(pr);
825 }
826 
rsi_ContextBindProgramVertex(Context * rsc,RsProgramVertex vpv)827 void rsi_ContextBindProgramVertex(Context *rsc, RsProgramVertex vpv) {
828     ProgramVertex *pv = static_cast<ProgramVertex *>(vpv);
829     rsc->setProgramVertex(pv);
830 }
831 
rsi_ContextBindFont(Context * rsc,RsFont vfont)832 void rsi_ContextBindFont(Context *rsc, RsFont vfont) {
833     Font *font = static_cast<Font *>(vfont);
834     rsc->setFont(font);
835 }
836 #endif
837 
rsi_AssignName(Context * rsc,RsObjectBase obj,const char * name,size_t name_length)838 void rsi_AssignName(Context *rsc, RsObjectBase obj, const char *name, size_t name_length) {
839     ObjectBase *ob = static_cast<ObjectBase *>(obj);
840     rsc->assignName(ob, name, name_length);
841 }
842 
rsi_ObjDestroy(Context * rsc,void * optr)843 void rsi_ObjDestroy(Context *rsc, void *optr) {
844     ObjectBase *ob = static_cast<ObjectBase *>(optr);
845     rsc->removeName(ob);
846     ob->decUserRef();
847 }
848 
849 #ifndef RS_COMPATIBILITY_LIB
rsi_ContextPause(Context * rsc)850 void rsi_ContextPause(Context *rsc) {
851     rsc->pause();
852 }
853 
rsi_ContextResume(Context * rsc)854 void rsi_ContextResume(Context *rsc) {
855     rsc->resume();
856 }
857 
rsi_ContextSetSurface(Context * rsc,uint32_t w,uint32_t h,RsNativeWindow sur)858 void rsi_ContextSetSurface(Context *rsc, uint32_t w, uint32_t h, RsNativeWindow sur) {
859     rsc->setSurface(w, h, sur);
860 }
861 #endif
862 
rsi_ContextSetPriority(Context * rsc,int32_t p)863 void rsi_ContextSetPriority(Context *rsc, int32_t p) {
864     rsc->setPriority(p);
865 }
866 
rsi_ContextDump(Context * rsc,int32_t bits)867 void rsi_ContextDump(Context *rsc, int32_t bits) {
868     ObjectBase::dumpAll(rsc);
869 }
870 
rsi_ContextDestroyWorker(Context * rsc)871 void rsi_ContextDestroyWorker(Context *rsc) {
872     rsc->destroyWorkerThreadResources();
873 }
874 
rsi_ContextDestroy(Context * rsc)875 void rsi_ContextDestroy(Context *rsc) {
876     //ALOGE("%p rsContextDestroy", rsc);
877     rsContextDestroyWorker(rsc);
878     delete rsc;
879     //ALOGV("%p rsContextDestroy done", rsc);
880 }
881 
rsi_ContextPeekMessage(Context * rsc,size_t * receiveLen,size_t receiveLen_length,uint32_t * subID,size_t subID_length)882 RsMessageToClientType rsi_ContextPeekMessage(Context *rsc,
883                                            size_t * receiveLen, size_t receiveLen_length,
884                                            uint32_t * subID, size_t subID_length) {
885     return rsc->peekMessageToClient(receiveLen, subID);
886 }
887 
rsi_ContextGetMessage(Context * rsc,void * data,size_t data_length,size_t * receiveLen,size_t receiveLen_length,uint32_t * subID,size_t subID_length)888 RsMessageToClientType rsi_ContextGetMessage(Context *rsc, void * data, size_t data_length,
889                                           size_t * receiveLen, size_t receiveLen_length,
890                                           uint32_t * subID, size_t subID_length) {
891     rsAssert(subID_length == sizeof(uint32_t));
892     rsAssert(receiveLen_length == sizeof(size_t));
893     return rsc->getMessageToClient(data, receiveLen, subID, data_length);
894 }
895 
rsi_ContextInitToClient(Context * rsc)896 void rsi_ContextInitToClient(Context *rsc) {
897     rsc->initToClient();
898 }
899 
rsi_ContextDeinitToClient(Context * rsc)900 void rsi_ContextDeinitToClient(Context *rsc) {
901     rsc->deinitToClient();
902 }
903 
rsi_ContextSendMessage(Context * rsc,uint32_t id,const uint8_t * data,size_t len)904 void rsi_ContextSendMessage(Context *rsc, uint32_t id, const uint8_t *data, size_t len) {
905     rsc->sendMessageToClient(data, RS_MESSAGE_TO_CLIENT_USER, id, len, true);
906 }
907 
908 // implementation of handcode LF_ObjDestroy
909 // required so nObjDestroy can be run from finalizer without blocking
LF_ObjDestroy_handcode(const Context * rsc,RsAsyncVoidPtr objPtr)910 void LF_ObjDestroy_handcode(const Context *rsc, RsAsyncVoidPtr objPtr) {
911     if (((Context *)rsc)->isSynchronous()) {
912         rsi_ObjDestroy((Context *)rsc, objPtr);
913         return;
914     }
915 
916     // struct has two parts:
917     // RsPlaybackRemoteHeader (cmdID and bytes)
918     // RS_CMD_ObjDestroy (ptr)
919     struct destroyCmd {
920         uint32_t cmdID;
921         uint32_t bytes;
922         RsAsyncVoidPtr ptr;
923      };
924 
925     destroyCmd cmd;
926     cmd.cmdID = RS_CMD_ID_ObjDestroy;
927     cmd.bytes = sizeof(RsAsyncVoidPtr);
928     cmd.ptr = objPtr;
929     ThreadIO *io = &((Context *)rsc)->mIO;
930     io->coreWrite((void*)&cmd, sizeof(destroyCmd));
931 
932 }
933 
934 }
935 }
936 
rsContextCreate(RsDevice vdev,uint32_t version,uint32_t sdkVersion,RsContextType ct,uint32_t flags)937 extern "C" RsContext rsContextCreate(RsDevice vdev, uint32_t version, uint32_t sdkVersion,
938                                      RsContextType ct, uint32_t flags) {
939     //ALOGV("rsContextCreate dev=%p", vdev);
940     Device * dev = static_cast<Device *>(vdev);
941     Context *rsc = Context::createContext(dev, nullptr, ct, flags);
942     if (rsc) {
943         rsc->setTargetSdkVersion(sdkVersion);
944     }
945     return rsc;
946 }
947 
rsaContextSetNativeLibDir(RsContext con,char * libDir,size_t length)948 extern "C" void rsaContextSetNativeLibDir(RsContext con, char *libDir, size_t length) {
949 #ifdef RS_COMPATIBILITY_LIB
950     Context *rsc = static_cast<Context *>(con);
951     rsc->setNativeLibDir(libDir, length);
952 #endif
953 }
954 
955 #ifndef RS_COMPATIBILITY_LIB
rsContextCreateGL(RsDevice vdev,uint32_t version,uint32_t sdkVersion,RsSurfaceConfig sc,uint32_t dpi)956 RsContext rsContextCreateGL(RsDevice vdev, uint32_t version,
957                             uint32_t sdkVersion, RsSurfaceConfig sc,
958                             uint32_t dpi) {
959     //ALOGV("rsContextCreateGL dev=%p", vdev);
960     Device * dev = static_cast<Device *>(vdev);
961     Context *rsc = Context::createContext(dev, &sc);
962     if (rsc) {
963         rsc->setTargetSdkVersion(sdkVersion);
964         rsc->setDPI(dpi);
965     }
966     //ALOGV("%p rsContextCreateGL ret", rsc);
967     return rsc;
968 }
969 #endif
970 
971 // Only to be called at a3d load time, before object is visible to user
972 // not thread safe
rsaGetName(RsContext con,void * obj,const char ** name)973 void rsaGetName(RsContext con, void * obj, const char **name) {
974     ObjectBase *ob = static_cast<ObjectBase *>(obj);
975     (*name) = ob->getName();
976 }
977