rsContext.cpp revision ccc010bb7c0f89e162bf60033968a20be90a903a 
1/*
2 * Copyright (C) 2009 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 "rsDevice.h"
18#include "rsContext.h"
19#include "rsThreadIO.h"
20#include <ui/FramebufferNativeWindow.h>
21#include <ui/EGLUtils.h>
22#include <ui/egl/android_natives.h>
23
24#include <sys/types.h>
25#include <sys/resource.h>
26
27#include <cutils/properties.h>
28
29#include <GLES/gl.h>
30#include <GLES/glext.h>
31#include <GLES2/gl2.h>
32#include <GLES2/gl2ext.h>
33
34#include <cutils/sched_policy.h>
35
36using namespace android;
37using namespace android::renderscript;
38
39pthread_key_t Context::gThreadTLSKey = 0;
40uint32_t Context::gThreadTLSKeyCount = 0;
41uint32_t Context::gGLContextCount = 0;
42pthread_mutex_t Context::gInitMutex = PTHREAD_MUTEX_INITIALIZER;
43
44static void checkEglError(const char* op, EGLBoolean returnVal = EGL_TRUE) {
45    if (returnVal != EGL_TRUE) {
46        fprintf(stderr, "%s() returned %d\n", op, returnVal);
47    }
48
49    for (EGLint error = eglGetError(); error != EGL_SUCCESS; error
50            = eglGetError()) {
51        fprintf(stderr, "after %s() eglError %s (0x%x)\n", op, EGLUtils::strerror(error),
52                error);
53    }
54}
55
56void Context::initEGL(bool useGL2)
57{
58    mEGL.mNumConfigs = -1;
59    EGLint configAttribs[128];
60    EGLint *configAttribsPtr = configAttribs;
61    EGLint context_attribs2[] = { EGL_CONTEXT_CLIENT_VERSION, 2, EGL_NONE };
62
63    memset(configAttribs, 0, sizeof(configAttribs));
64
65    configAttribsPtr[0] = EGL_SURFACE_TYPE;
66    configAttribsPtr[1] = EGL_WINDOW_BIT;
67    configAttribsPtr += 2;
68
69    if (useGL2) {
70        configAttribsPtr[0] = EGL_RENDERABLE_TYPE;
71        configAttribsPtr[1] = EGL_OPENGL_ES2_BIT;
72        configAttribsPtr += 2;
73    }
74
75    if (mUseDepth) {
76        configAttribsPtr[0] = EGL_DEPTH_SIZE;
77        configAttribsPtr[1] = 16;
78        configAttribsPtr += 2;
79    }
80
81    if (mDev->mForceSW) {
82        configAttribsPtr[0] = EGL_CONFIG_CAVEAT;
83        configAttribsPtr[1] = EGL_SLOW_CONFIG;
84        configAttribsPtr += 2;
85    }
86
87    configAttribsPtr[0] = EGL_NONE;
88    rsAssert(configAttribsPtr < (configAttribs + (sizeof(configAttribs) / sizeof(EGLint))));
89
90    LOGV("initEGL start");
91    mEGL.mDisplay = eglGetDisplay(EGL_DEFAULT_DISPLAY);
92    checkEglError("eglGetDisplay");
93
94    eglInitialize(mEGL.mDisplay, &mEGL.mMajorVersion, &mEGL.mMinorVersion);
95    checkEglError("eglInitialize");
96
97    status_t err = EGLUtils::selectConfigForNativeWindow(mEGL.mDisplay, configAttribs, mWndSurface, &mEGL.mConfig);
98    if (err) {
99       LOGE("couldn't find an EGLConfig matching the screen format\n");
100    }
101    //eglChooseConfig(mEGL.mDisplay, configAttribs, &mEGL.mConfig, 1, &mEGL.mNumConfigs);
102
103
104    if (useGL2) {
105        mEGL.mContext = eglCreateContext(mEGL.mDisplay, mEGL.mConfig, EGL_NO_CONTEXT, context_attribs2);
106    } else {
107        mEGL.mContext = eglCreateContext(mEGL.mDisplay, mEGL.mConfig, EGL_NO_CONTEXT, NULL);
108    }
109    checkEglError("eglCreateContext");
110    if (mEGL.mContext == EGL_NO_CONTEXT) {
111        LOGE("eglCreateContext returned EGL_NO_CONTEXT");
112    }
113    gGLContextCount++;
114}
115
116void Context::deinitEGL()
117{
118    LOGV("deinitEGL");
119    setSurface(0, 0, NULL);
120    eglDestroyContext(mEGL.mDisplay, mEGL.mContext);
121    checkEglError("eglDestroyContext");
122
123    gGLContextCount--;
124    if (!gGLContextCount) {
125        eglTerminate(mEGL.mDisplay);
126    }
127}
128
129
130uint32_t Context::runScript(Script *s, uint32_t launchID)
131{
132    ObjectBaseRef<ProgramFragment> frag(mFragment);
133    ObjectBaseRef<ProgramVertex> vtx(mVertex);
134    ObjectBaseRef<ProgramStore> store(mFragmentStore);
135    ObjectBaseRef<ProgramRaster> raster(mRaster);
136
137    uint32_t ret = s->run(this, launchID);
138
139    mFragment.set(frag);
140    mVertex.set(vtx);
141    mFragmentStore.set(store);
142    mRaster.set(raster);
143    return ret;
144}
145
146void Context::checkError(const char *msg) const
147{
148    GLenum err = glGetError();
149    if (err != GL_NO_ERROR) {
150        LOGE("GL Error, 0x%x, from %s", err, msg);
151    }
152}
153
154uint32_t Context::runRootScript()
155{
156    timerSet(RS_TIMER_CLEAR_SWAP);
157
158    eglQuerySurface(mEGL.mDisplay, mEGL.mSurface, EGL_WIDTH, &mEGL.mWidth);
159    eglQuerySurface(mEGL.mDisplay, mEGL.mSurface, EGL_HEIGHT, &mEGL.mHeight);
160    glViewport(0, 0, mEGL.mWidth, mEGL.mHeight);
161    glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
162
163    glClearColor(mRootScript->mEnviroment.mClearColor[0],
164                 mRootScript->mEnviroment.mClearColor[1],
165                 mRootScript->mEnviroment.mClearColor[2],
166                 mRootScript->mEnviroment.mClearColor[3]);
167    if (mUseDepth) {
168        glDepthMask(GL_TRUE);
169        glClearDepthf(mRootScript->mEnviroment.mClearDepth);
170        glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
171    } else {
172        glClear(GL_COLOR_BUFFER_BIT);
173    }
174
175    timerSet(RS_TIMER_SCRIPT);
176    mStateFragmentStore.mLast.clear();
177    uint32_t ret = runScript(mRootScript.get(), 0);
178
179    checkError("runRootScript");
180    if (mError != RS_ERROR_NONE) {
181        // If we have an error condition we stop rendering until
182        // somthing changes that might fix it.
183        ret = 0;
184    }
185    return ret;
186}
187
188uint64_t Context::getTime() const
189{
190    struct timespec t;
191    clock_gettime(CLOCK_MONOTONIC, &t);
192    return t.tv_nsec + ((uint64_t)t.tv_sec * 1000 * 1000 * 1000);
193}
194
195void Context::timerReset()
196{
197    for (int ct=0; ct < _RS_TIMER_TOTAL; ct++) {
198        mTimers[ct] = 0;
199    }
200}
201
202void Context::timerInit()
203{
204    mTimeLast = getTime();
205    mTimeFrame = mTimeLast;
206    mTimeLastFrame = mTimeLast;
207    mTimerActive = RS_TIMER_INTERNAL;
208    timerReset();
209}
210
211void Context::timerFrame()
212{
213    mTimeLastFrame = mTimeFrame;
214    mTimeFrame = getTime();
215}
216
217void Context::timerSet(Timers tm)
218{
219    uint64_t last = mTimeLast;
220    mTimeLast = getTime();
221    mTimers[mTimerActive] += mTimeLast - last;
222    mTimerActive = tm;
223}
224
225void Context::timerPrint()
226{
227    double total = 0;
228    for (int ct = 0; ct < _RS_TIMER_TOTAL; ct++) {
229        total += mTimers[ct];
230    }
231    uint64_t frame = mTimeFrame - mTimeLastFrame;
232    mTimeMSLastFrame = frame / 1000000;
233    mTimeMSLastScript = mTimers[RS_TIMER_SCRIPT] / 1000000;
234    mTimeMSLastSwap = mTimers[RS_TIMER_CLEAR_SWAP] / 1000000;
235
236
237    if (props.mLogTimes) {
238        LOGV("RS: Frame (%i),   Script %2.1f (%i),  Clear & Swap %2.1f (%i),  Idle %2.1f (%lli),  Internal %2.1f (%lli)",
239             mTimeMSLastFrame,
240             100.0 * mTimers[RS_TIMER_SCRIPT] / total, mTimeMSLastScript,
241             100.0 * mTimers[RS_TIMER_CLEAR_SWAP] / total, mTimeMSLastSwap,
242             100.0 * mTimers[RS_TIMER_IDLE] / total, mTimers[RS_TIMER_IDLE] / 1000000,
243             100.0 * mTimers[RS_TIMER_INTERNAL] / total, mTimers[RS_TIMER_INTERNAL] / 1000000);
244    }
245}
246
247bool Context::setupCheck()
248{
249    if (checkVersion2_0()) {
250        if (!mShaderCache.lookup(this, mVertex.get(), mFragment.get())) {
251            LOGE("Context::setupCheck() 1 fail");
252            return false;
253        }
254
255        mFragmentStore->setupGL2(this, &mStateFragmentStore);
256        mFragment->setupGL2(this, &mStateFragment, &mShaderCache);
257        mRaster->setupGL2(this, &mStateRaster);
258        mVertex->setupGL2(this, &mStateVertex, &mShaderCache);
259
260    } else {
261        mFragmentStore->setupGL(this, &mStateFragmentStore);
262        mFragment->setupGL(this, &mStateFragment);
263        mRaster->setupGL(this, &mStateRaster);
264        mVertex->setupGL(this, &mStateVertex);
265    }
266    return true;
267}
268
269static bool getProp(const char *str)
270{
271    char buf[PROPERTY_VALUE_MAX];
272    property_get(str, buf, "0");
273    return 0 != strcmp(buf, "0");
274}
275
276void * Context::threadProc(void *vrsc)
277{
278     Context *rsc = static_cast<Context *>(vrsc);
279     rsc->mNativeThreadId = gettid();
280
281     setpriority(PRIO_PROCESS, rsc->mNativeThreadId, ANDROID_PRIORITY_DISPLAY);
282     rsc->mThreadPriority = ANDROID_PRIORITY_DISPLAY;
283
284     rsc->props.mLogTimes = getProp("debug.rs.profile");
285     rsc->props.mLogScripts = getProp("debug.rs.script");
286     rsc->props.mLogObjects = getProp("debug.rs.object");
287     rsc->props.mLogShaders = getProp("debug.rs.shader");
288
289     ScriptTLSStruct *tlsStruct = new ScriptTLSStruct;
290     if (!tlsStruct) {
291         LOGE("Error allocating tls storage");
292         return NULL;
293     }
294     tlsStruct->mContext = rsc;
295     tlsStruct->mScript = NULL;
296     int status = pthread_setspecific(rsc->gThreadTLSKey, tlsStruct);
297     if (status) {
298         LOGE("pthread_setspecific %i", status);
299     }
300
301     if (rsc->mIsGraphicsContext) {
302         rsc->mStateRaster.init(rsc, rsc->mEGL.mWidth, rsc->mEGL.mHeight);
303         rsc->setRaster(NULL);
304         rsc->mStateVertex.init(rsc, rsc->mEGL.mWidth, rsc->mEGL.mHeight);
305         rsc->setVertex(NULL);
306         rsc->mStateFragment.init(rsc, rsc->mEGL.mWidth, rsc->mEGL.mHeight);
307         rsc->setFragment(NULL);
308         rsc->mStateFragmentStore.init(rsc, rsc->mEGL.mWidth, rsc->mEGL.mHeight);
309         rsc->setFragmentStore(NULL);
310         rsc->mStateVertexArray.init(rsc);
311     }
312
313     rsc->mRunning = true;
314     bool mDraw = true;
315     while (!rsc->mExit) {
316         mDraw |= rsc->mIO.playCoreCommands(rsc, !mDraw);
317         mDraw &= (rsc->mRootScript.get() != NULL);
318         mDraw &= (rsc->mWndSurface != NULL);
319
320         uint32_t targetTime = 0;
321         if (mDraw && rsc->mIsGraphicsContext) {
322             targetTime = rsc->runRootScript();
323             mDraw = targetTime && !rsc->mPaused;
324             rsc->timerSet(RS_TIMER_CLEAR_SWAP);
325             eglSwapBuffers(rsc->mEGL.mDisplay, rsc->mEGL.mSurface);
326             rsc->timerFrame();
327             rsc->timerSet(RS_TIMER_INTERNAL);
328             rsc->timerPrint();
329             rsc->timerReset();
330         }
331         if (rsc->mObjDestroy.mNeedToEmpty) {
332             rsc->objDestroyOOBRun();
333         }
334         if (rsc->mThreadPriority > 0 && targetTime) {
335             int32_t t = (targetTime - (int32_t)(rsc->mTimeMSLastScript + rsc->mTimeMSLastSwap)) * 1000;
336             if (t > 0) {
337                 usleep(t);
338             }
339         }
340     }
341
342     LOGV("RS Thread exiting");
343     if (rsc->mIsGraphicsContext) {
344         rsc->mRaster.clear();
345         rsc->mFragment.clear();
346         rsc->mVertex.clear();
347         rsc->mFragmentStore.clear();
348         rsc->mRootScript.clear();
349         rsc->mStateRaster.deinit(rsc);
350         rsc->mStateVertex.deinit(rsc);
351         rsc->mStateFragment.deinit(rsc);
352         rsc->mStateFragmentStore.deinit(rsc);
353     }
354     ObjectBase::zeroAllUserRef(rsc);
355
356     rsc->mObjDestroy.mNeedToEmpty = true;
357     rsc->objDestroyOOBRun();
358
359     if (rsc->mIsGraphicsContext) {
360         pthread_mutex_lock(&gInitMutex);
361         rsc->deinitEGL();
362         pthread_mutex_unlock(&gInitMutex);
363     }
364
365     LOGV("RS Thread exited");
366     return NULL;
367}
368
369void Context::setPriority(int32_t p)
370{
371    // Note: If we put this in the proper "background" policy
372    // the wallpapers can become completly unresponsive at times.
373    // This is probably not what we want for something the user is actively
374    // looking at.
375    mThreadPriority = p;
376#if 0
377    SchedPolicy pol = SP_FOREGROUND;
378    if (p > 0) {
379        pol = SP_BACKGROUND;
380    }
381    if (!set_sched_policy(mNativeThreadId, pol)) {
382        // success; reset the priority as well
383    }
384#else
385        setpriority(PRIO_PROCESS, mNativeThreadId, p);
386#endif
387}
388
389Context::Context(Device *dev, bool isGraphics, bool useDepth)
390{
391    pthread_mutex_lock(&gInitMutex);
392
393    dev->addContext(this);
394    mDev = dev;
395    mRunning = false;
396    mExit = false;
397    mUseDepth = useDepth;
398    mPaused = false;
399    mObjHead = NULL;
400    mError = RS_ERROR_NONE;
401    mErrorMsg = NULL;
402
403    memset(&mEGL, 0, sizeof(mEGL));
404    memset(&mGL, 0, sizeof(mGL));
405    mIsGraphicsContext = isGraphics;
406
407    int status;
408    pthread_attr_t threadAttr;
409
410    if (!gThreadTLSKeyCount) {
411        status = pthread_key_create(&gThreadTLSKey, NULL);
412        if (status) {
413            LOGE("Failed to init thread tls key.");
414            pthread_mutex_unlock(&gInitMutex);
415            return;
416        }
417    }
418    gThreadTLSKeyCount++;
419    pthread_mutex_unlock(&gInitMutex);
420
421    // Global init done at this point.
422
423    status = pthread_attr_init(&threadAttr);
424    if (status) {
425        LOGE("Failed to init thread attribute.");
426        return;
427    }
428
429    mWndSurface = NULL;
430
431    objDestroyOOBInit();
432    timerInit();
433    timerSet(RS_TIMER_INTERNAL);
434
435    LOGV("RS Launching thread");
436    status = pthread_create(&mThreadId, &threadAttr, threadProc, this);
437    if (status) {
438        LOGE("Failed to start rs context thread.");
439    }
440
441    while(!mRunning) {
442        usleep(100);
443    }
444
445    pthread_attr_destroy(&threadAttr);
446}
447
448Context::~Context()
449{
450    LOGV("Context::~Context");
451    mExit = true;
452    mPaused = false;
453    void *res;
454
455    mIO.shutdown();
456    int status = pthread_join(mThreadId, &res);
457    mObjDestroy.mNeedToEmpty = true;
458    objDestroyOOBRun();
459
460    // Global structure cleanup.
461    pthread_mutex_lock(&gInitMutex);
462    if (mDev) {
463        mDev->removeContext(this);
464        --gThreadTLSKeyCount;
465        if (!gThreadTLSKeyCount) {
466            pthread_key_delete(gThreadTLSKey);
467        }
468        mDev = NULL;
469    }
470    pthread_mutex_unlock(&gInitMutex);
471
472    objDestroyOOBDestroy();
473}
474
475void Context::setSurface(uint32_t w, uint32_t h, android_native_window_t *sur)
476{
477    rsAssert(mIsGraphicsContext);
478
479    EGLBoolean ret;
480    if (mEGL.mSurface != NULL) {
481        ret = eglMakeCurrent(mEGL.mDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
482        checkEglError("eglMakeCurrent", ret);
483
484        ret = eglDestroySurface(mEGL.mDisplay, mEGL.mSurface);
485        checkEglError("eglDestroySurface", ret);
486
487        mEGL.mSurface = NULL;
488        mEGL.mWidth = 0;
489        mEGL.mHeight = 0;
490        mWidth = 0;
491        mHeight = 0;
492    }
493
494    mWndSurface = sur;
495    if (mWndSurface != NULL) {
496        bool first = false;
497        if (!mEGL.mContext) {
498            first = true;
499            pthread_mutex_lock(&gInitMutex);
500            initEGL(true);
501            pthread_mutex_unlock(&gInitMutex);
502        }
503
504        mEGL.mSurface = eglCreateWindowSurface(mEGL.mDisplay, mEGL.mConfig, mWndSurface, NULL);
505        checkEglError("eglCreateWindowSurface");
506        if (mEGL.mSurface == EGL_NO_SURFACE) {
507            LOGE("eglCreateWindowSurface returned EGL_NO_SURFACE");
508        }
509
510        ret = eglMakeCurrent(mEGL.mDisplay, mEGL.mSurface, mEGL.mSurface, mEGL.mContext);
511        checkEglError("eglMakeCurrent", ret);
512
513        eglQuerySurface(mEGL.mDisplay, mEGL.mSurface, EGL_WIDTH, &mEGL.mWidth);
514        eglQuerySurface(mEGL.mDisplay, mEGL.mSurface, EGL_HEIGHT, &mEGL.mHeight);
515        mWidth = w;
516        mHeight = h;
517        mStateVertex.updateSize(this, w, h);
518
519        if ((int)mWidth != mEGL.mWidth || (int)mHeight != mEGL.mHeight) {
520            LOGE("EGL/Surface mismatch  EGL (%i x %i)  SF (%i x %i)", mEGL.mWidth, mEGL.mHeight, mWidth, mHeight);
521        }
522
523        if (first) {
524            mGL.mVersion = glGetString(GL_VERSION);
525            mGL.mVendor = glGetString(GL_VENDOR);
526            mGL.mRenderer = glGetString(GL_RENDERER);
527            mGL.mExtensions = glGetString(GL_EXTENSIONS);
528
529            //LOGV("EGL Version %i %i", mEGL.mMajorVersion, mEGL.mMinorVersion);
530            LOGV("GL Version %s", mGL.mVersion);
531            //LOGV("GL Vendor %s", mGL.mVendor);
532            LOGV("GL Renderer %s", mGL.mRenderer);
533            //LOGV("GL Extensions %s", mGL.mExtensions);
534
535            const char *verptr = NULL;
536            if (strlen((const char *)mGL.mVersion) > 9) {
537                if (!memcmp(mGL.mVersion, "OpenGL ES-CM", 12)) {
538                    verptr = (const char *)mGL.mVersion + 12;
539                }
540                if (!memcmp(mGL.mVersion, "OpenGL ES ", 10)) {
541                    verptr = (const char *)mGL.mVersion + 9;
542                }
543            }
544
545            if (!verptr) {
546                LOGE("Error, OpenGL ES Lite not supported");
547            } else {
548                sscanf(verptr, " %i.%i", &mGL.mMajorVersion, &mGL.mMinorVersion);
549            }
550
551            glGetIntegerv(GL_MAX_VERTEX_ATTRIBS, &mGL.mMaxVertexAttribs);
552            glGetIntegerv(GL_MAX_VERTEX_UNIFORM_VECTORS, &mGL.mMaxVertexUniformVectors);
553            glGetIntegerv(GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS, &mGL.mMaxVertexTextureUnits);
554
555            glGetIntegerv(GL_MAX_VARYING_VECTORS, &mGL.mMaxVaryingVectors);
556            glGetIntegerv(GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS, &mGL.mMaxTextureImageUnits);
557
558            glGetIntegerv(GL_MAX_TEXTURE_IMAGE_UNITS, &mGL.mMaxFragmentTextureImageUnits);
559            glGetIntegerv(GL_MAX_FRAGMENT_UNIFORM_VECTORS, &mGL.mMaxFragmentUniformVectors);
560
561            mGL.OES_texture_npot = NULL != strstr((const char *)mGL.mExtensions, "GL_OES_texture_npot");
562        }
563
564    }
565}
566
567void Context::pause()
568{
569    rsAssert(mIsGraphicsContext);
570    mPaused = true;
571}
572
573void Context::resume()
574{
575    rsAssert(mIsGraphicsContext);
576    mPaused = false;
577}
578
579void Context::setRootScript(Script *s)
580{
581    rsAssert(mIsGraphicsContext);
582    mRootScript.set(s);
583}
584
585void Context::setFragmentStore(ProgramStore *pfs)
586{
587    rsAssert(mIsGraphicsContext);
588    if (pfs == NULL) {
589        mFragmentStore.set(mStateFragmentStore.mDefault);
590    } else {
591        mFragmentStore.set(pfs);
592    }
593}
594
595void Context::setFragment(ProgramFragment *pf)
596{
597    rsAssert(mIsGraphicsContext);
598    if (pf == NULL) {
599        mFragment.set(mStateFragment.mDefault);
600    } else {
601        mFragment.set(pf);
602    }
603}
604
605void Context::setRaster(ProgramRaster *pr)
606{
607    rsAssert(mIsGraphicsContext);
608    if (pr == NULL) {
609        mRaster.set(mStateRaster.mDefault);
610    } else {
611        mRaster.set(pr);
612    }
613}
614
615void Context::setVertex(ProgramVertex *pv)
616{
617    rsAssert(mIsGraphicsContext);
618    if (pv == NULL) {
619        mVertex.set(mStateVertex.mDefault);
620    } else {
621        mVertex.set(pv);
622    }
623}
624
625void Context::assignName(ObjectBase *obj, const char *name, uint32_t len)
626{
627    rsAssert(!obj->getName());
628    obj->setName(name, len);
629    mNames.add(obj);
630}
631
632void Context::removeName(ObjectBase *obj)
633{
634    for(size_t ct=0; ct < mNames.size(); ct++) {
635        if (obj == mNames[ct]) {
636            mNames.removeAt(ct);
637            return;
638        }
639    }
640}
641
642bool Context::objDestroyOOBInit()
643{
644    if (!mObjDestroy.mMutex.init()) {
645        LOGE("Context::ObjDestroyOOBInit mutex init failure");
646        return false;
647    }
648    return true;
649}
650
651void Context::objDestroyOOBRun()
652{
653    if (mObjDestroy.mNeedToEmpty) {
654        if (!mObjDestroy.mMutex.lock()) {
655            LOGE("Context::ObjDestroyOOBRun: error locking for OOBRun.");
656            return;
657        }
658
659        for (size_t ct = 0; ct < mObjDestroy.mDestroyList.size(); ct++) {
660            mObjDestroy.mDestroyList[ct]->decUserRef();
661        }
662        mObjDestroy.mDestroyList.clear();
663        mObjDestroy.mNeedToEmpty = false;
664        mObjDestroy.mMutex.unlock();
665    }
666}
667
668void Context::objDestroyOOBDestroy()
669{
670    rsAssert(!mObjDestroy.mNeedToEmpty);
671}
672
673void Context::objDestroyAdd(ObjectBase *obj)
674{
675    if (!mObjDestroy.mMutex.lock()) {
676        LOGE("Context::ObjDestroyOOBRun: error locking for OOBRun.");
677        return;
678    }
679
680    mObjDestroy.mNeedToEmpty = true;
681    mObjDestroy.mDestroyList.add(obj);
682    mObjDestroy.mMutex.unlock();
683}
684
685uint32_t Context::getMessageToClient(void *data, size_t *receiveLen, size_t bufferLen, bool wait)
686{
687    //LOGE("getMessageToClient %i %i", bufferLen, wait);
688    if (!wait) {
689        if (mIO.mToClient.isEmpty()) {
690            // No message to get and not going to wait for one.
691            receiveLen = 0;
692            return 0;
693        }
694    }
695
696    //LOGE("getMessageToClient 2 con=%p", this);
697    uint32_t bytesData = 0;
698    uint32_t commandID = 0;
699    const void *d = mIO.mToClient.get(&commandID, &bytesData);
700    //LOGE("getMessageToClient 3    %i  %i", commandID, bytesData);
701
702    *receiveLen = bytesData;
703    if (bufferLen >= bytesData) {
704        memcpy(data, d, bytesData);
705        mIO.mToClient.next();
706        return commandID;
707    }
708    return 0;
709}
710
711bool Context::sendMessageToClient(void *data, uint32_t cmdID, size_t len, bool waitForSpace)
712{
713    //LOGE("sendMessageToClient %i %i %i", cmdID, len, waitForSpace);
714    if (cmdID == 0) {
715        LOGE("Attempting to send invalid command 0 to client.");
716        return false;
717    }
718    if (!waitForSpace) {
719        if (mIO.mToClient.getFreeSpace() < len) {
720            // Not enough room, and not waiting.
721            return false;
722        }
723    }
724    //LOGE("sendMessageToClient 2");
725    void *p = mIO.mToClient.reserve(len);
726    memcpy(p, data, len);
727    mIO.mToClient.commit(cmdID, len);
728    //LOGE("sendMessageToClient 3");
729    return true;
730}
731
732void Context::initToClient()
733{
734    while(!mRunning) {
735        usleep(100);
736    }
737}
738
739void Context::deinitToClient()
740{
741    mIO.mToClient.shutdown();
742}
743
744const char * Context::getError(RsError *err)
745{
746    *err = mError;
747    mError = RS_ERROR_NONE;
748    if (*err != RS_ERROR_NONE) {
749        return mErrorMsg;
750    }
751    return NULL;
752}
753
754void Context::setError(RsError e, const char *msg)
755{
756    mError = e;
757    mErrorMsg = msg;
758}
759
760
761void Context::dumpDebug() const
762{
763    LOGE("RS Context debug %p", this);
764    LOGE("RS Context debug");
765
766    LOGE(" EGL ver %i %i", mEGL.mMajorVersion, mEGL.mMinorVersion);
767    LOGE(" EGL context %p  surface %p,  w=%i h=%i  Display=%p", mEGL.mContext,
768         mEGL.mSurface, mEGL.mWidth, mEGL.mHeight, mEGL.mDisplay);
769    LOGE(" GL vendor: %s", mGL.mVendor);
770    LOGE(" GL renderer: %s", mGL.mRenderer);
771    LOGE(" GL Version: %s", mGL.mVersion);
772    LOGE(" GL Extensions: %s", mGL.mExtensions);
773    LOGE(" GL int Versions %i %i", mGL.mMajorVersion, mGL.mMinorVersion);
774    LOGE(" RS width %i, height %i", mWidth, mHeight);
775    LOGE(" RS running %i, exit %i, useDepth %i, paused %i", mRunning, mExit, mUseDepth, mPaused);
776    LOGE(" RS pThreadID %li, nativeThreadID %i", mThreadId, mNativeThreadId);
777
778    LOGV("MAX Textures %i, %i  %i", mGL.mMaxVertexTextureUnits, mGL.mMaxFragmentTextureImageUnits, mGL.mMaxTextureImageUnits);
779    LOGV("MAX Attribs %i", mGL.mMaxVertexAttribs);
780    LOGV("MAX Uniforms %i, %i", mGL.mMaxVertexUniformVectors, mGL.mMaxFragmentUniformVectors);
781    LOGV("MAX Varyings %i", mGL.mMaxVaryingVectors);
782}
783
784///////////////////////////////////////////////////////////////////////////////////////////
785//
786
787namespace android {
788namespace renderscript {
789
790
791void rsi_ContextBindRootScript(Context *rsc, RsScript vs)
792{
793    Script *s = static_cast<Script *>(vs);
794    rsc->setRootScript(s);
795}
796
797void rsi_ContextBindSampler(Context *rsc, uint32_t slot, RsSampler vs)
798{
799    Sampler *s = static_cast<Sampler *>(vs);
800
801    if (slot > RS_MAX_SAMPLER_SLOT) {
802        LOGE("Invalid sampler slot");
803        return;
804    }
805
806    s->bindToContext(&rsc->mStateSampler, slot);
807}
808
809void rsi_ContextBindProgramStore(Context *rsc, RsProgramStore vpfs)
810{
811    ProgramStore *pfs = static_cast<ProgramStore *>(vpfs);
812    rsc->setFragmentStore(pfs);
813}
814
815void rsi_ContextBindProgramFragment(Context *rsc, RsProgramFragment vpf)
816{
817    ProgramFragment *pf = static_cast<ProgramFragment *>(vpf);
818    rsc->setFragment(pf);
819}
820
821void rsi_ContextBindProgramRaster(Context *rsc, RsProgramRaster vpr)
822{
823    ProgramRaster *pr = static_cast<ProgramRaster *>(vpr);
824    rsc->setRaster(pr);
825}
826
827void rsi_ContextBindProgramVertex(Context *rsc, RsProgramVertex vpv)
828{
829    ProgramVertex *pv = static_cast<ProgramVertex *>(vpv);
830    rsc->setVertex(pv);
831}
832
833void rsi_AssignName(Context *rsc, void * obj, const char *name, uint32_t len)
834{
835    ObjectBase *ob = static_cast<ObjectBase *>(obj);
836    rsc->assignName(ob, name, len);
837}
838
839void rsi_ObjDestroy(Context *rsc, void *obj)
840{
841    ObjectBase *ob = static_cast<ObjectBase *>(obj);
842    rsc->removeName(ob);
843    ob->decUserRef();
844}
845
846void rsi_ContextPause(Context *rsc)
847{
848    rsc->pause();
849}
850
851void rsi_ContextResume(Context *rsc)
852{
853    rsc->resume();
854}
855
856void rsi_ContextSetSurface(Context *rsc, uint32_t w, uint32_t h, android_native_window_t *sur)
857{
858    rsc->setSurface(w, h, sur);
859}
860
861void rsi_ContextSetPriority(Context *rsc, int32_t p)
862{
863    rsc->setPriority(p);
864}
865
866void rsi_ContextDump(Context *rsc, int32_t bits)
867{
868    ObjectBase::dumpAll(rsc);
869}
870
871const char * rsi_ContextGetError(Context *rsc, RsError *e)
872{
873    const char *msg = rsc->getError(e);
874    if (*e != RS_ERROR_NONE) {
875        LOGE("RS Error %i %s", *e, msg);
876    }
877    return msg;
878}
879
880}
881}
882
883
884RsContext rsContextCreate(RsDevice vdev, uint32_t version)
885{
886    LOGV("rsContextCreate %p", vdev);
887    Device * dev = static_cast<Device *>(vdev);
888    Context *rsc = new Context(dev, false, false);
889    return rsc;
890}
891
892RsContext rsContextCreateGL(RsDevice vdev, uint32_t version, bool useDepth)
893{
894    LOGV("rsContextCreateGL %p, %i", vdev, useDepth);
895    Device * dev = static_cast<Device *>(vdev);
896    Context *rsc = new Context(dev, true, useDepth);
897    return rsc;
898}
899
900void rsContextDestroy(RsContext vrsc)
901{
902    Context * rsc = static_cast<Context *>(vrsc);
903    delete rsc;
904}
905
906void rsObjDestroyOOB(RsContext vrsc, void *obj)
907{
908    Context * rsc = static_cast<Context *>(vrsc);
909    rsc->objDestroyAdd(static_cast<ObjectBase *>(obj));
910}
911
912uint32_t rsContextGetMessage(RsContext vrsc, void *data, size_t *receiveLen, size_t bufferLen, bool wait)
913{
914    Context * rsc = static_cast<Context *>(vrsc);
915    return rsc->getMessageToClient(data, receiveLen, bufferLen, wait);
916}
917
918void rsContextInitToClient(RsContext vrsc)
919{
920    Context * rsc = static_cast<Context *>(vrsc);
921    rsc->initToClient();
922}
923
924void rsContextDeinitToClient(RsContext vrsc)
925{
926    Context * rsc = static_cast<Context *>(vrsc);
927    rsc->deinitToClient();
928}
929
930