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#if !defined(RS_VENDOR_LIB) && !defined(RS_COMPATIBILITY_LIB)
25#include "rsMesh.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#include <inttypes.h>
36#include <unistd.h>
37
38#ifdef RS_COMPATIBILITY_LIB
39#include "rsCompatibilityLib.h"
40#endif
41
42namespace android {
43namespace renderscript {
44
45pthread_mutex_t Context::gInitMutex = PTHREAD_MUTEX_INITIALIZER;
46pthread_mutex_t Context::gMessageMutex = PTHREAD_MUTEX_INITIALIZER;
47pthread_mutex_t Context::gLibMutex = PTHREAD_MUTEX_INITIALIZER;
48
49bool Context::initGLThread() {
50    pthread_mutex_lock(&gInitMutex);
51
52    int32_t ret = mHal.funcs.initGraphics(this);
53    if (ret < 0) {
54        pthread_mutex_unlock(&gInitMutex);
55        ALOGE("%p initGraphics failed", this);
56        return false;
57    }
58
59    mSyncFd = ret;
60    pthread_mutex_unlock(&gInitMutex);
61    return true;
62}
63
64void Context::deinitEGL() {
65#ifndef RS_COMPATIBILITY_LIB
66    mHal.funcs.shutdownGraphics(this);
67#endif
68}
69
70Context::PushState::PushState(Context *con) {
71    mRsc = con;
72#if !defined(RS_VENDOR_LIB) && !defined(RS_COMPATIBILITY_LIB)
73    if (con->mIsGraphicsContext) {
74        mFragment.set(con->getProgramFragment());
75        mVertex.set(con->getProgramVertex());
76        mStore.set(con->getProgramStore());
77        mRaster.set(con->getProgramRaster());
78        mFont.set(con->getFont());
79    }
80#endif
81}
82
83Context::PushState::~PushState() {
84#if !defined(RS_VENDOR_LIB) && !defined(RS_COMPATIBILITY_LIB)
85    if (mRsc->mIsGraphicsContext) {
86        mRsc->setProgramFragment(mFragment.get());
87        mRsc->setProgramVertex(mVertex.get());
88        mRsc->setProgramStore(mStore.get());
89        mRsc->setProgramRaster(mRaster.get());
90        mRsc->setFont(mFont.get());
91    }
92#endif
93}
94
95
96uint32_t Context::runScript(Script *s) {
97    PushState ps(this);
98
99    uint32_t ret = s->run(this);
100    return ret;
101}
102
103uint32_t Context::runRootScript() {
104    timerSet(RS_TIMER_SCRIPT);
105#if !defined(RS_VENDOR_LIB) && !defined(RS_COMPATIBILITY_LIB)
106    mStateFragmentStore.mLast.clear();
107#endif
108    watchdog.inRoot = true;
109    uint32_t ret = runScript(mRootScript.get());
110    watchdog.inRoot = false;
111
112    return ret;
113}
114
115uint64_t Context::getTime() const {
116    struct timespec t;
117    clock_gettime(CLOCK_MONOTONIC, &t);
118    return t.tv_nsec + ((uint64_t)t.tv_sec * 1000 * 1000 * 1000);
119}
120
121void Context::timerReset() {
122    for (int ct=0; ct < _RS_TIMER_TOTAL; ct++) {
123        mTimers[ct] = 0;
124    }
125}
126
127void Context::timerInit() {
128    mTimeLast = getTime();
129    mTimeFrame = mTimeLast;
130    mTimeLastFrame = mTimeLast;
131    mTimerActive = RS_TIMER_INTERNAL;
132    mAverageFPSFrameCount = 0;
133    mAverageFPSStartTime = mTimeLast;
134    mAverageFPS = 0;
135    timerReset();
136}
137
138void Context::timerFrame() {
139    mTimeLastFrame = mTimeFrame;
140    mTimeFrame = getTime();
141    // Update average fps
142    const uint64_t averageFramerateInterval = 1000 * 1000000;
143    mAverageFPSFrameCount ++;
144    uint64_t inverval = mTimeFrame - mAverageFPSStartTime;
145    if (inverval >= averageFramerateInterval) {
146        inverval = inverval / 1000000;
147        mAverageFPS = (mAverageFPSFrameCount * 1000) / inverval;
148        mAverageFPSFrameCount = 0;
149        mAverageFPSStartTime = mTimeFrame;
150    }
151}
152
153void Context::timerSet(Timers tm) {
154    uint64_t last = mTimeLast;
155    mTimeLast = getTime();
156    mTimers[mTimerActive] += mTimeLast - last;
157    mTimerActive = tm;
158}
159
160void Context::timerPrint() {
161    double total = 0;
162    for (int ct = 0; ct < _RS_TIMER_TOTAL; ct++) {
163        total += mTimers[ct];
164    }
165    uint64_t frame = mTimeFrame - mTimeLastFrame;
166    mTimeMSLastFrame = frame / 1000000;
167    mTimeMSLastScript = mTimers[RS_TIMER_SCRIPT] / 1000000;
168    mTimeMSLastSwap = mTimers[RS_TIMER_CLEAR_SWAP] / 1000000;
169
170
171    if (props.mLogTimes) {
172        ALOGV("RS: Frame (%i),   Script %2.1f%% (%i),  Swap %2.1f%% (%i),  Idle %2.1f%% (%" PRIi64 "),  "
173              "Internal %2.1f%% (%" PRIi64 "), Avg fps: %u",
174             mTimeMSLastFrame,
175             100.0 * mTimers[RS_TIMER_SCRIPT] / total, mTimeMSLastScript,
176             100.0 * mTimers[RS_TIMER_CLEAR_SWAP] / total, mTimeMSLastSwap,
177             100.0 * mTimers[RS_TIMER_IDLE] / total, mTimers[RS_TIMER_IDLE] / 1000000,
178             100.0 * mTimers[RS_TIMER_INTERNAL] / total, mTimers[RS_TIMER_INTERNAL] / 1000000,
179             mAverageFPS);
180    }
181}
182
183bool Context::setupCheck() {
184#if !defined(RS_VENDOR_LIB) && !defined(RS_COMPATIBILITY_LIB)
185    mFragmentStore->setup(this, &mStateFragmentStore);
186    mFragment->setup(this, &mStateFragment);
187    mRaster->setup(this, &mStateRaster);
188    mVertex->setup(this, &mStateVertex);
189    mFBOCache.setup(this);
190#endif
191    return true;
192}
193
194#if !defined(RS_VENDOR_LIB) && !defined(RS_COMPATIBILITY_LIB)
195void Context::setupProgramStore() {
196    mFragmentStore->setup(this, &mStateFragmentStore);
197}
198#endif
199
200static uint32_t getProp(const char *str) {
201#ifdef __ANDROID__
202    char buf[PROP_VALUE_MAX];
203    property_get(str, buf, "0");
204    return atoi(buf);
205#else
206    return 0;
207#endif
208}
209
210void Context::displayDebugStats() {
211#if !defined(RS_VENDOR_LIB) && !defined(RS_COMPATIBILITY_LIB)
212    char buffer[128];
213    snprintf(buffer, sizeof(buffer), "Avg fps %u, Frame %i ms, Script %i ms",
214             mAverageFPS, mTimeMSLastFrame, mTimeMSLastScript);
215    float oldR, oldG, oldB, oldA;
216    mStateFont.getFontColor(&oldR, &oldG, &oldB, &oldA);
217    uint32_t bufferLen = strlen(buffer);
218
219    ObjectBaseRef<Font> lastFont(getFont());
220    setFont(nullptr);
221    float shadowCol = 0.1f;
222    mStateFont.setFontColor(shadowCol, shadowCol, shadowCol, 1.0f);
223    mStateFont.renderText(buffer, bufferLen, 5, getHeight() - 6);
224
225    mStateFont.setFontColor(1.0f, 0.7f, 0.0f, 1.0f);
226    mStateFont.renderText(buffer, bufferLen, 4, getHeight() - 7);
227
228    setFont(lastFont.get());
229    mStateFont.setFontColor(oldR, oldG, oldB, oldA);
230#endif
231}
232
233void * Context::threadProc(void *vrsc) {
234    Context *rsc = static_cast<Context *>(vrsc);
235
236    rsc->mNativeThreadId = gettid();
237    rsc->props.mLogTimes = getProp("debug.rs.profile") != 0;
238    rsc->props.mLogScripts = getProp("debug.rs.script") != 0;
239    rsc->props.mLogShaders = getProp("debug.rs.shader") != 0;
240    rsc->props.mLogShadersAttr = getProp("debug.rs.shader.attributes") != 0;
241    rsc->props.mLogShadersUniforms = getProp("debug.rs.shader.uniforms") != 0;
242    rsc->props.mLogVisual = getProp("debug.rs.visual") != 0;
243    rsc->props.mLogReduce = getProp("debug.rs.reduce");
244    rsc->props.mDebugReduceSplitAccum = getProp("debug.rs.reduce-split-accum") != 0;
245    rsc->props.mDebugMaxThreads = getProp("debug.rs.max-threads");
246
247    if (getProp("debug.rs.debug") != 0) {
248        ALOGD("Forcing debug context due to debug.rs.debug.");
249        rsc->mContextType = RS_CONTEXT_TYPE_DEBUG;
250        rsc->mForceCpu = true;
251    }
252
253    bool forceRSoV = getProp("debug.rs.rsov") != 0;
254    if (forceRSoV) {
255        ALOGD("Force the use of RSoV driver");
256        rsc->mForceRSoV = true;
257    }
258
259    bool forceCpu = getProp("debug.rs.default-CPU-driver") != 0;
260    if (forceCpu) {
261        ALOGD("Skipping hardware driver and loading default CPU driver");
262        rsc->mForceCpu = true;
263    }
264
265    rsc->mForceCpu |= rsc->mIsGraphicsContext;
266    if (!rsc->loadDriver(rsc->mForceCpu, rsc->mForceRSoV)) {
267      rsc->setError(RS_ERROR_DRIVER, "Failed loading driver");
268      return nullptr;
269    }
270
271    if (!rsc->isSynchronous()) {
272        // Due to legacy we default to normal_graphics
273        // setPriority will make the adjustments as needed.
274        rsc->setPriority(RS_THREAD_PRIORITY_NORMAL_GRAPHICS);
275    }
276
277#if !defined(RS_VENDOR_LIB) && !defined(RS_COMPATIBILITY_LIB)
278    if (rsc->mIsGraphicsContext) {
279        if (!rsc->initGLThread()) {
280            rsc->setError(RS_ERROR_OUT_OF_MEMORY, "Failed initializing GL");
281            return nullptr;
282        }
283
284        rsc->mStateRaster.init(rsc);
285        rsc->setProgramRaster(nullptr);
286        rsc->mStateVertex.init(rsc);
287        rsc->setProgramVertex(nullptr);
288        rsc->mStateFragment.init(rsc);
289        rsc->setProgramFragment(nullptr);
290        rsc->mStateFragmentStore.init(rsc);
291        rsc->setProgramStore(nullptr);
292        rsc->mStateFont.init(rsc);
293        rsc->setFont(nullptr);
294        rsc->mStateSampler.init(rsc);
295        rsc->mFBOCache.init(rsc);
296    }
297#endif
298
299    rsc->mRunning = true;
300
301    if (rsc->isSynchronous()) {
302        return nullptr;
303    }
304
305    if (!rsc->mIsGraphicsContext) {
306        while (!rsc->mExit) {
307            rsc->mIO.playCoreCommands(rsc, -1);
308        }
309#if !defined(RS_VENDOR_LIB) && !defined(RS_COMPATIBILITY_LIB)
310    } else {
311        // The number of millisecond to wait between successive calls to the
312        // root function.  The special value 0 means that root should not be
313        // called again until something external changes.
314        // See compile/slang/README.rst and search for "The function **root**"
315        // for more details.
316        int whenToCallAgain = 0;
317
318        while (!rsc->mExit) {
319            rsc->timerSet(RS_TIMER_IDLE);
320            // While it's tempting to simply have if(whenToCallAgain > 0)
321            // usleep(whentoCallAgain * 1000), doing it this way emulates
322            // more closely what the original code did.
323            if (whenToCallAgain > 16) {
324                usleep((whenToCallAgain - 16) * 1000);
325            }
326
327            if (!rsc->mRootScript.get() || !rsc->mHasSurface || rsc->mPaused || whenToCallAgain == 0) {
328                rsc->mIO.playCoreCommands(rsc, -1);
329            } else {
330                rsc->mIO.playCoreCommands(rsc, rsc->mSyncFd);
331            }
332
333            if (rsc->mRootScript.get() && rsc->mHasSurface && !rsc->mPaused) {
334                whenToCallAgain = rsc->runRootScript();
335
336                if (rsc->props.mLogVisual) {
337                    rsc->displayDebugStats();
338                }
339                rsc->timerSet(RS_TIMER_CLEAR_SWAP);
340                rsc->mHal.funcs.swap(rsc);
341                rsc->timerFrame();
342                rsc->timerSet(RS_TIMER_INTERNAL);
343                rsc->timerPrint();
344                rsc->timerReset();
345            }
346        }
347#endif
348    }
349
350    //ALOGV("%p RS Thread exiting", rsc);
351
352#if !defined(RS_VENDOR_LIB) && !defined(RS_COMPATIBILITY_LIB)
353    if (rsc->mIsGraphicsContext) {
354        pthread_mutex_lock(&gInitMutex);
355        rsc->deinitEGL();
356        pthread_mutex_unlock(&gInitMutex);
357    }
358#endif
359
360    //ALOGV("%p RS Thread exited", rsc);
361    return nullptr;
362}
363
364void Context::destroyWorkerThreadResources() {
365    //ALOGV("destroyWorkerThreadResources 1");
366    ObjectBase::zeroAllUserRef(this);
367#if !defined(RS_VENDOR_LIB) && !defined(RS_COMPATIBILITY_LIB)
368    if (mIsGraphicsContext) {
369         mRaster.clear();
370         mFragment.clear();
371         mVertex.clear();
372         mFragmentStore.clear();
373         mFont.clear();
374         mRootScript.clear();
375         mStateRaster.deinit(this);
376         mStateVertex.deinit(this);
377         mStateFragment.deinit(this);
378         mStateFragmentStore.deinit(this);
379         mStateFont.deinit(this);
380         mStateSampler.deinit(this);
381         mFBOCache.deinit(this);
382    }
383#endif
384    ObjectBase::freeAllChildren(this);
385    mExit = true;
386    //ALOGV("destroyWorkerThreadResources 2");
387}
388
389void Context::printWatchdogInfo(void *ctx) {
390    Context *rsc = (Context *)ctx;
391    if (rsc->watchdog.command && rsc->watchdog.file) {
392        ALOGE("RS watchdog timeout: %i  %s  line %i %s", rsc->watchdog.inRoot,
393             rsc->watchdog.command, rsc->watchdog.line, rsc->watchdog.file);
394    } else {
395        ALOGE("RS watchdog timeout: %i", rsc->watchdog.inRoot);
396    }
397}
398
399
400void Context::setPriority(int32_t p) {
401    switch (p) {
402    // The public API will always send NORMAL_GRAPHICS
403    // for normal, we adjust here
404    case RS_THREAD_PRIORITY_NORMAL_GRAPHICS:
405        if (mIsGraphicsContext) {
406            break;
407        } else {
408            if (mHal.flags & RS_CONTEXT_LOW_LATENCY) {
409                p = RS_THREAD_PRIORITY_LOW_LATENCY;
410            } else {
411                p = RS_THREAD_PRIORITY_NORMAL;
412            }
413        }
414    case RS_THREAD_PRIORITY_LOW:
415        break;
416    }
417
418    // Note: If we put this in the proper "background" policy
419    // the wallpapers can become completly unresponsive at times.
420    // This is probably not what we want for something the user is actively
421    // looking at.
422    mThreadPriority = p;
423    setpriority(PRIO_PROCESS, mNativeThreadId, p);
424    mHal.funcs.setPriority(this, mThreadPriority);
425}
426
427Context::Context() {
428    mDev = nullptr;
429    mRunning = false;
430    mExit = false;
431    mPaused = false;
432    mObjHead = nullptr;
433    mError = RS_ERROR_NONE;
434    mTargetSdkVersion = 14;
435    mDPI = 96;
436    mIsContextLite = false;
437    memset(&watchdog, 0, sizeof(watchdog));
438    memset(&mHal, 0, sizeof(mHal));
439    mForceCpu = false;
440    mForceRSoV = false;
441    mContextType = RS_CONTEXT_TYPE_NORMAL;
442    mOptLevel = 3;
443    mSynchronous = false;
444    mFatalErrorOccured = false;
445
446    memset(mCacheDir, 0, sizeof(mCacheDir));
447#ifdef RS_COMPATIBILITY_LIB
448    memset(nativeLibDir, 0, sizeof(nativeLibDir));
449#endif
450}
451
452void Context::setCacheDir(const char * cacheDir_arg, uint32_t length) {
453    if (length <= PATH_MAX) {
454        memcpy(mCacheDir, cacheDir_arg, length);
455        mCacheDir[length] = 0;
456        hasSetCacheDir = true;
457    } else {
458        setError(RS_ERROR_BAD_VALUE, "Invalid path");
459    }
460}
461
462Context * Context::createContext(Device *dev, const RsSurfaceConfig *sc,
463                                 RsContextType ct, uint32_t flags,
464                                 const char* vendorDriverName) {
465    Context * rsc = new Context();
466
467    if (flags & RS_CONTEXT_LOW_LATENCY) {
468        rsc->mForceCpu = true;
469    }
470    if (flags & RS_CONTEXT_SYNCHRONOUS) {
471        rsc->mSynchronous = true;
472    }
473    rsc->mContextType = ct;
474    rsc->mHal.flags = flags;
475    rsc->mVendorDriverName = vendorDriverName;
476
477    if (!rsc->initContext(dev, sc)) {
478        delete rsc;
479        return nullptr;
480    }
481
482    return rsc;
483}
484
485Context * Context::createContextLite() {
486    Context * rsc = new Context();
487    rsc->mIsContextLite = true;
488    return rsc;
489}
490
491bool Context::initContext(Device *dev, const RsSurfaceConfig *sc) {
492    pthread_mutex_lock(&gInitMutex);
493
494    if (!mIO.init()) {
495        ALOGE("Failed initializing IO Fifo");
496        pthread_mutex_unlock(&gInitMutex);
497        return false;
498    }
499    mIO.setTimeoutCallback(printWatchdogInfo, this, 2e9);
500
501    if (sc) {
502        mUserSurfaceConfig = *sc;
503    } else {
504        memset(&mUserSurfaceConfig, 0, sizeof(mUserSurfaceConfig));
505    }
506
507    mIsGraphicsContext = sc != nullptr;
508
509    int status;
510    pthread_attr_t threadAttr;
511
512    pthread_mutex_unlock(&gInitMutex);
513
514    // Global init done at this point.
515
516    status = pthread_attr_init(&threadAttr);
517    if (status) {
518        ALOGE("Failed to init thread attribute.");
519        return false;
520    }
521
522    mHasSurface = false;
523    mDriverName = NULL;
524
525    timerInit();
526    timerSet(RS_TIMER_INTERNAL);
527    if (mSynchronous) {
528        threadProc(this);
529
530        if (mError != RS_ERROR_NONE) {
531            ALOGE("Errors during thread init (sync mode)");
532            return false;
533        }
534    } else {
535        status = pthread_create(&mThreadId, &threadAttr, threadProc, this);
536        if (status) {
537            ALOGE("Failed to start rs context thread.");
538            return false;
539        }
540        while (!mRunning && (mError == RS_ERROR_NONE)) {
541            usleep(100);
542        }
543
544        if (mError != RS_ERROR_NONE) {
545            ALOGE("Errors during thread init");
546            return false;
547        }
548
549        pthread_attr_destroy(&threadAttr);
550    }
551    return true;
552}
553
554Context::~Context() {
555    if (!mIsContextLite) {
556        mPaused = false;
557        void *res;
558
559        mIO.shutdown();
560        if (!mSynchronous && mRunning) {
561            // Only try to join a pthread when:
562            // 1. The Context is asynchronous.
563            // 2. pthread successfully created and running.
564            pthread_join(mThreadId, &res);
565        }
566        rsAssert(mExit);
567
568        if (mHal.funcs.shutdownDriver && mHal.drv) {
569            mHal.funcs.shutdownDriver(this);
570        }
571    }
572}
573
574#if !defined(RS_VENDOR_LIB) && !defined(RS_COMPATIBILITY_LIB)
575void Context::setSurface(uint32_t w, uint32_t h, RsNativeWindow sur) {
576    rsAssert(mIsGraphicsContext);
577    mHal.funcs.setSurface(this, w, h, sur);
578
579    mHasSurface = sur != nullptr;
580    mWidth = w;
581    mHeight = h;
582
583    if (mWidth && mHeight) {
584        mStateVertex.updateSize(this);
585        mFBOCache.updateSize();
586    }
587}
588
589uint32_t Context::getCurrentSurfaceWidth() const {
590    for (uint32_t i = 0; i < mFBOCache.mHal.state.colorTargetsCount; i ++) {
591        if (mFBOCache.mHal.state.colorTargets[i] != nullptr) {
592            return mFBOCache.mHal.state.colorTargets[i]->getType()->getDimX();
593        }
594    }
595    if (mFBOCache.mHal.state.depthTarget != nullptr) {
596        return mFBOCache.mHal.state.depthTarget->getType()->getDimX();
597    }
598    return mWidth;
599}
600
601uint32_t Context::getCurrentSurfaceHeight() const {
602    for (uint32_t i = 0; i < mFBOCache.mHal.state.colorTargetsCount; i ++) {
603        if (mFBOCache.mHal.state.colorTargets[i] != nullptr) {
604            return mFBOCache.mHal.state.colorTargets[i]->getType()->getDimY();
605        }
606    }
607    if (mFBOCache.mHal.state.depthTarget != nullptr) {
608        return mFBOCache.mHal.state.depthTarget->getType()->getDimY();
609    }
610    return mHeight;
611}
612
613void Context::pause() {
614    rsAssert(mIsGraphicsContext);
615    mPaused = true;
616}
617
618void Context::resume() {
619    rsAssert(mIsGraphicsContext);
620    mPaused = false;
621}
622
623void Context::setRootScript(Script *s) {
624    rsAssert(mIsGraphicsContext);
625    mRootScript.set(s);
626}
627
628void Context::setProgramStore(ProgramStore *pfs) {
629    rsAssert(mIsGraphicsContext);
630    if (pfs == nullptr) {
631        mFragmentStore.set(mStateFragmentStore.mDefault);
632    } else {
633        mFragmentStore.set(pfs);
634    }
635}
636
637void Context::setProgramFragment(ProgramFragment *pf) {
638    rsAssert(mIsGraphicsContext);
639    if (pf == nullptr) {
640        mFragment.set(mStateFragment.mDefault);
641    } else {
642        mFragment.set(pf);
643    }
644}
645
646void Context::setProgramRaster(ProgramRaster *pr) {
647    rsAssert(mIsGraphicsContext);
648    if (pr == nullptr) {
649        mRaster.set(mStateRaster.mDefault);
650    } else {
651        mRaster.set(pr);
652    }
653}
654
655void Context::setProgramVertex(ProgramVertex *pv) {
656    rsAssert(mIsGraphicsContext);
657    if (pv == nullptr) {
658        mVertex.set(mStateVertex.mDefault);
659    } else {
660        mVertex.set(pv);
661    }
662}
663
664void Context::setFont(Font *f) {
665    rsAssert(mIsGraphicsContext);
666    if (f == nullptr) {
667        mFont.set(mStateFont.mDefault);
668    } else {
669        mFont.set(f);
670    }
671}
672#endif
673
674void Context::finish() {
675    if (mHal.funcs.finish) {
676        mHal.funcs.finish(this);
677    }
678}
679
680void Context::assignName(ObjectBase *obj, const char *name, uint32_t len) {
681    rsAssert(!obj->getName());
682    obj->setName(name, len);
683    mNames.push_back(obj);
684}
685
686void Context::removeName(ObjectBase *obj) {
687    for (size_t ct=0; ct < mNames.size(); ct++) {
688        if (obj == mNames[ct]) {
689            mNames.erase(mNames.begin() + ct);
690            return;
691        }
692    }
693}
694
695RsMessageToClientType Context::peekMessageToClient(size_t *receiveLen, uint32_t *subID) {
696    return (RsMessageToClientType)mIO.getClientHeader(receiveLen, subID);
697}
698
699RsMessageToClientType Context::getMessageToClient(void *data, size_t *receiveLen, uint32_t *subID, size_t bufferLen) {
700    return (RsMessageToClientType)mIO.getClientPayload(data, receiveLen, subID, bufferLen);
701}
702
703bool Context::sendMessageToClient(const void *data, RsMessageToClientType cmdID,
704                                  uint32_t subID, size_t len, bool waitForSpace) const {
705
706    pthread_mutex_lock(&gMessageMutex);
707    bool ret = mIO.sendToClient(cmdID, subID, data, len, waitForSpace);
708    pthread_mutex_unlock(&gMessageMutex);
709    return ret;
710}
711
712void Context::initToClient() {
713    while (!mRunning) {
714        usleep(100);
715    }
716}
717
718void Context::deinitToClient() {
719    mIO.clientShutdown();
720}
721
722void Context::setError(RsError e, const char *msg) const {
723    mError = e;
724
725    if (mError >= RS_ERROR_FATAL_DEBUG) {
726        // If a FATAL error occurred, set the flag to indicate the process
727        // will be goign down
728        mFatalErrorOccured = true;
729    }
730
731    sendMessageToClient(msg, RS_MESSAGE_TO_CLIENT_ERROR, e, strlen(msg) + 1, true);
732}
733
734
735void Context::dumpDebug() const {
736    ALOGE("RS Context debug %p", this);
737    ALOGE("RS Context debug");
738
739    ALOGE(" RS width %i, height %i", mWidth, mHeight);
740    ALOGE(" RS running %i, exit %i, paused %i", mRunning, mExit, mPaused);
741    ALOGE(" RS pThreadID %li, nativeThreadID %i", (long int)mThreadId, mNativeThreadId);
742}
743
744///////////////////////////////////////////////////////////////////////////////////////////
745//
746
747void rsi_ContextFinish(Context *rsc) {
748    rsc->finish();
749}
750
751void rsi_ContextBindRootScript(Context *rsc, RsScript vs) {
752#if !defined(RS_VENDOR_LIB) && !defined(RS_COMPATIBILITY_LIB)
753    Script *s = static_cast<Script *>(vs);
754    rsc->setRootScript(s);
755#endif
756}
757
758void rsi_ContextSetCacheDir(Context *rsc, const char *cacheDir, size_t cacheDir_length) {
759    rsc->setCacheDir(cacheDir, cacheDir_length);
760}
761
762void rsi_ContextBindSampler(Context *rsc, uint32_t slot, RsSampler vs) {
763    Sampler *s = static_cast<Sampler *>(vs);
764
765    if (slot > RS_MAX_SAMPLER_SLOT) {
766        ALOGE("Invalid sampler slot");
767        return;
768    }
769
770    s->bindToContext(&rsc->mStateSampler, slot);
771}
772
773#if !defined(RS_VENDOR_LIB) && !defined(RS_COMPATIBILITY_LIB)
774void rsi_ContextBindProgramStore(Context *rsc, RsProgramStore vpfs) {
775    ProgramStore *pfs = static_cast<ProgramStore *>(vpfs);
776    rsc->setProgramStore(pfs);
777}
778
779void rsi_ContextBindProgramFragment(Context *rsc, RsProgramFragment vpf) {
780    ProgramFragment *pf = static_cast<ProgramFragment *>(vpf);
781    rsc->setProgramFragment(pf);
782}
783
784void rsi_ContextBindProgramRaster(Context *rsc, RsProgramRaster vpr) {
785    ProgramRaster *pr = static_cast<ProgramRaster *>(vpr);
786    rsc->setProgramRaster(pr);
787}
788
789void rsi_ContextBindProgramVertex(Context *rsc, RsProgramVertex vpv) {
790    ProgramVertex *pv = static_cast<ProgramVertex *>(vpv);
791    rsc->setProgramVertex(pv);
792}
793
794void rsi_ContextBindFont(Context *rsc, RsFont vfont) {
795    Font *font = static_cast<Font *>(vfont);
796    rsc->setFont(font);
797}
798#endif
799
800void rsi_AssignName(Context *rsc, RsObjectBase obj, const char *name, size_t name_length) {
801    ObjectBase *ob = static_cast<ObjectBase *>(obj);
802    rsc->assignName(ob, name, name_length);
803}
804
805void rsi_ObjDestroy(Context *rsc, void *optr) {
806    ObjectBase *ob = static_cast<ObjectBase *>(optr);
807    rsc->removeName(ob);
808    ob->decUserRef();
809}
810
811#if !defined(RS_VENDOR_LIB) && !defined(RS_COMPATIBILITY_LIB)
812void rsi_ContextPause(Context *rsc) {
813    rsc->pause();
814}
815
816void rsi_ContextResume(Context *rsc) {
817    rsc->resume();
818}
819
820void rsi_ContextSetSurface(Context *rsc, uint32_t w, uint32_t h, RsNativeWindow sur) {
821    rsc->setSurface(w, h, sur);
822}
823#endif
824
825void rsi_ContextSetPriority(Context *rsc, int32_t p) {
826    rsc->setPriority(p);
827}
828
829void rsi_ContextDump(Context *rsc, int32_t bits) {
830    ObjectBase::dumpAll(rsc);
831}
832
833void rsi_ContextDestroyWorker(Context *rsc) {
834    rsc->destroyWorkerThreadResources();
835}
836
837void rsi_ContextDestroy(Context *rsc) {
838    //ALOGE("%p rsContextDestroy", rsc);
839    rsc->destroyWorkerThreadResources();
840    delete rsc;
841    //ALOGV("%p rsContextDestroy done", rsc);
842}
843
844RsMessageToClientType rsi_ContextPeekMessage(Context *rsc,
845                                           size_t * receiveLen, size_t receiveLen_length,
846                                           uint32_t * subID, size_t subID_length) {
847    return rsc->peekMessageToClient(receiveLen, subID);
848}
849
850RsMessageToClientType rsi_ContextGetMessage(Context *rsc, void * data, size_t data_length,
851                                          size_t * receiveLen, size_t receiveLen_length,
852                                          uint32_t * subID, size_t subID_length) {
853    rsAssert(subID_length == sizeof(uint32_t));
854    rsAssert(receiveLen_length == sizeof(size_t));
855    return rsc->getMessageToClient(data, receiveLen, subID, data_length);
856}
857
858void rsi_ContextInitToClient(Context *rsc) {
859    rsc->initToClient();
860}
861
862void rsi_ContextDeinitToClient(Context *rsc) {
863    rsc->deinitToClient();
864}
865
866void rsi_ContextSendMessage(Context *rsc, uint32_t id, const uint8_t *data, size_t len) {
867    rsc->sendMessageToClient(data, RS_MESSAGE_TO_CLIENT_USER, id, len, true);
868}
869
870// implementation of handcode LF_ObjDestroy
871// required so nObjDestroy can be run from finalizer without blocking
872void LF_ObjDestroy_handcode(const Context *rsc, RsAsyncVoidPtr objPtr) {
873    if (((Context *)rsc)->isSynchronous()) {
874        rsi_ObjDestroy((Context *)rsc, objPtr);
875        return;
876    }
877
878    // struct has two parts:
879    // RsPlaybackRemoteHeader (cmdID and bytes)
880    // RS_CMD_ObjDestroy (ptr)
881    struct destroyCmd {
882        uint32_t cmdID;
883        uint32_t bytes;
884        RsAsyncVoidPtr ptr;
885     };
886
887    destroyCmd cmd;
888    cmd.cmdID = RS_CMD_ID_ObjDestroy;
889    cmd.bytes = sizeof(RsAsyncVoidPtr);
890    cmd.ptr = objPtr;
891    ThreadIO *io = &((Context *)rsc)->mIO;
892    io->coreWrite((void*)&cmd, sizeof(destroyCmd));
893
894}
895
896} // namespace renderscript
897} // namespace android
898