rsContext.cpp revision 8c88090e8cccab103eebe2ff569e116e9f5fb208 
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)
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);
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    glViewport(0, 0, mWidth, mHeight);
157
158    timerSet(RS_TIMER_SCRIPT);
159    mStateFragmentStore.mLast.clear();
160    uint32_t ret = runScript(mRootScript.get());
161
162    checkError("runRootScript");
163    if (mError != RS_ERROR_NONE) {
164        // If we have an error condition we stop rendering until
165        // somthing changes that might fix it.
166        ret = 0;
167    }
168    return ret;
169}
170
171uint64_t Context::getTime() const
172{
173    struct timespec t;
174    clock_gettime(CLOCK_MONOTONIC, &t);
175    return t.tv_nsec + ((uint64_t)t.tv_sec * 1000 * 1000 * 1000);
176}
177
178void Context::timerReset()
179{
180    for (int ct=0; ct < _RS_TIMER_TOTAL; ct++) {
181        mTimers[ct] = 0;
182    }
183}
184
185void Context::timerInit()
186{
187    mTimeLast = getTime();
188    mTimeFrame = mTimeLast;
189    mTimeLastFrame = mTimeLast;
190    mTimerActive = RS_TIMER_INTERNAL;
191    timerReset();
192}
193
194void Context::timerFrame()
195{
196    mTimeLastFrame = mTimeFrame;
197    mTimeFrame = getTime();
198}
199
200void Context::timerSet(Timers tm)
201{
202    uint64_t last = mTimeLast;
203    mTimeLast = getTime();
204    mTimers[mTimerActive] += mTimeLast - last;
205    mTimerActive = tm;
206}
207
208void Context::timerPrint()
209{
210    double total = 0;
211    for (int ct = 0; ct < _RS_TIMER_TOTAL; ct++) {
212        total += mTimers[ct];
213    }
214    uint64_t frame = mTimeFrame - mTimeLastFrame;
215    mTimeMSLastFrame = frame / 1000000;
216    mTimeMSLastScript = mTimers[RS_TIMER_SCRIPT] / 1000000;
217    mTimeMSLastSwap = mTimers[RS_TIMER_CLEAR_SWAP] / 1000000;
218
219
220    if (props.mLogTimes) {
221        LOGV("RS: Frame (%i),   Script %2.1f (%i),  Clear & Swap %2.1f (%i),  Idle %2.1f (%lli),  Internal %2.1f (%lli)",
222             mTimeMSLastFrame,
223             100.0 * mTimers[RS_TIMER_SCRIPT] / total, mTimeMSLastScript,
224             100.0 * mTimers[RS_TIMER_CLEAR_SWAP] / total, mTimeMSLastSwap,
225             100.0 * mTimers[RS_TIMER_IDLE] / total, mTimers[RS_TIMER_IDLE] / 1000000,
226             100.0 * mTimers[RS_TIMER_INTERNAL] / total, mTimers[RS_TIMER_INTERNAL] / 1000000);
227    }
228}
229
230bool Context::setupCheck()
231{
232    if (checkVersion2_0()) {
233        if (!mShaderCache.lookup(this, mVertex.get(), mFragment.get())) {
234            LOGE("Context::setupCheck() 1 fail");
235            return false;
236        }
237
238        mFragmentStore->setupGL2(this, &mStateFragmentStore);
239        mFragment->setupGL2(this, &mStateFragment, &mShaderCache);
240        mRaster->setupGL2(this, &mStateRaster);
241        mVertex->setupGL2(this, &mStateVertex, &mShaderCache);
242
243    } else {
244        mFragmentStore->setupGL(this, &mStateFragmentStore);
245        mFragment->setupGL(this, &mStateFragment);
246        mRaster->setupGL(this, &mStateRaster);
247        mVertex->setupGL(this, &mStateVertex);
248    }
249    return true;
250}
251
252static bool getProp(const char *str)
253{
254    char buf[PROPERTY_VALUE_MAX];
255    property_get(str, buf, "0");
256    return 0 != strcmp(buf, "0");
257}
258
259void * Context::threadProc(void *vrsc)
260{
261     Context *rsc = static_cast<Context *>(vrsc);
262     rsc->mNativeThreadId = gettid();
263
264     setpriority(PRIO_PROCESS, rsc->mNativeThreadId, ANDROID_PRIORITY_DISPLAY);
265     rsc->mThreadPriority = ANDROID_PRIORITY_DISPLAY;
266
267     rsc->props.mLogTimes = getProp("debug.rs.profile");
268     rsc->props.mLogScripts = getProp("debug.rs.script");
269     rsc->props.mLogObjects = getProp("debug.rs.object");
270     rsc->props.mLogShaders = getProp("debug.rs.shader");
271
272     ScriptTLSStruct *tlsStruct = new ScriptTLSStruct;
273     if (!tlsStruct) {
274         LOGE("Error allocating tls storage");
275         return NULL;
276     }
277     tlsStruct->mContext = rsc;
278     tlsStruct->mScript = NULL;
279     int status = pthread_setspecific(rsc->gThreadTLSKey, tlsStruct);
280     if (status) {
281         LOGE("pthread_setspecific %i", status);
282     }
283
284     if (rsc->mIsGraphicsContext) {
285         rsc->mStateRaster.init(rsc);
286         rsc->setRaster(NULL);
287         rsc->mStateVertex.init(rsc);
288         rsc->setVertex(NULL);
289         rsc->mStateFragment.init(rsc);
290         rsc->setFragment(NULL);
291         rsc->mStateFragmentStore.init(rsc);
292         rsc->setFragmentStore(NULL);
293         rsc->mStateVertexArray.init(rsc);
294     }
295
296     rsc->mRunning = true;
297     bool mDraw = true;
298     while (!rsc->mExit) {
299         mDraw |= rsc->mIO.playCoreCommands(rsc, !mDraw);
300         mDraw &= (rsc->mRootScript.get() != NULL);
301         mDraw &= (rsc->mWndSurface != NULL);
302
303         uint32_t targetTime = 0;
304         if (mDraw && rsc->mIsGraphicsContext) {
305             targetTime = rsc->runRootScript();
306             mDraw = targetTime && !rsc->mPaused;
307             rsc->timerSet(RS_TIMER_CLEAR_SWAP);
308             eglSwapBuffers(rsc->mEGL.mDisplay, rsc->mEGL.mSurface);
309             rsc->timerFrame();
310             rsc->timerSet(RS_TIMER_INTERNAL);
311             rsc->timerPrint();
312             rsc->timerReset();
313         }
314         if (rsc->mObjDestroy.mNeedToEmpty) {
315             rsc->objDestroyOOBRun();
316         }
317         if (rsc->mThreadPriority > 0 && targetTime) {
318             int32_t t = (targetTime - (int32_t)(rsc->mTimeMSLastScript + rsc->mTimeMSLastSwap)) * 1000;
319             if (t > 0) {
320                 usleep(t);
321             }
322         }
323     }
324
325     LOGV("RS Thread exiting");
326     if (rsc->mIsGraphicsContext) {
327         rsc->mRaster.clear();
328         rsc->mFragment.clear();
329         rsc->mVertex.clear();
330         rsc->mFragmentStore.clear();
331         rsc->mRootScript.clear();
332         rsc->mStateRaster.deinit(rsc);
333         rsc->mStateVertex.deinit(rsc);
334         rsc->mStateFragment.deinit(rsc);
335         rsc->mStateFragmentStore.deinit(rsc);
336     }
337     ObjectBase::zeroAllUserRef(rsc);
338
339     rsc->mObjDestroy.mNeedToEmpty = true;
340     rsc->objDestroyOOBRun();
341
342     if (rsc->mIsGraphicsContext) {
343         pthread_mutex_lock(&gInitMutex);
344         rsc->deinitEGL();
345         pthread_mutex_unlock(&gInitMutex);
346     }
347
348     LOGV("RS Thread exited");
349     return NULL;
350}
351
352void Context::setPriority(int32_t p)
353{
354    // Note: If we put this in the proper "background" policy
355    // the wallpapers can become completly unresponsive at times.
356    // This is probably not what we want for something the user is actively
357    // looking at.
358    mThreadPriority = p;
359#if 0
360    SchedPolicy pol = SP_FOREGROUND;
361    if (p > 0) {
362        pol = SP_BACKGROUND;
363    }
364    if (!set_sched_policy(mNativeThreadId, pol)) {
365        // success; reset the priority as well
366    }
367#else
368        setpriority(PRIO_PROCESS, mNativeThreadId, p);
369#endif
370}
371
372Context::Context(Device *dev, bool isGraphics, bool useDepth)
373{
374    pthread_mutex_lock(&gInitMutex);
375
376    dev->addContext(this);
377    mDev = dev;
378    mRunning = false;
379    mExit = false;
380    mUseDepth = useDepth;
381    mPaused = false;
382    mObjHead = NULL;
383    mError = RS_ERROR_NONE;
384    mErrorMsg = NULL;
385
386    memset(&mEGL, 0, sizeof(mEGL));
387    memset(&mGL, 0, sizeof(mGL));
388    mIsGraphicsContext = isGraphics;
389
390    int status;
391    pthread_attr_t threadAttr;
392
393    if (!gThreadTLSKeyCount) {
394        status = pthread_key_create(&gThreadTLSKey, NULL);
395        if (status) {
396            LOGE("Failed to init thread tls key.");
397            pthread_mutex_unlock(&gInitMutex);
398            return;
399        }
400    }
401    gThreadTLSKeyCount++;
402    pthread_mutex_unlock(&gInitMutex);
403
404    // Global init done at this point.
405
406    status = pthread_attr_init(&threadAttr);
407    if (status) {
408        LOGE("Failed to init thread attribute.");
409        return;
410    }
411
412    mWndSurface = NULL;
413
414    objDestroyOOBInit();
415    timerInit();
416    timerSet(RS_TIMER_INTERNAL);
417
418    LOGV("RS Launching thread");
419    status = pthread_create(&mThreadId, &threadAttr, threadProc, this);
420    if (status) {
421        LOGE("Failed to start rs context thread.");
422    }
423
424    while(!mRunning) {
425        usleep(100);
426    }
427
428    pthread_attr_destroy(&threadAttr);
429}
430
431Context::~Context()
432{
433    LOGV("Context::~Context");
434    mExit = true;
435    mPaused = false;
436    void *res;
437
438    mIO.shutdown();
439    int status = pthread_join(mThreadId, &res);
440    mObjDestroy.mNeedToEmpty = true;
441    objDestroyOOBRun();
442
443    // Global structure cleanup.
444    pthread_mutex_lock(&gInitMutex);
445    if (mDev) {
446        mDev->removeContext(this);
447        --gThreadTLSKeyCount;
448        if (!gThreadTLSKeyCount) {
449            pthread_key_delete(gThreadTLSKey);
450        }
451        mDev = NULL;
452    }
453    pthread_mutex_unlock(&gInitMutex);
454
455    objDestroyOOBDestroy();
456}
457
458void Context::setSurface(uint32_t w, uint32_t h, android_native_window_t *sur)
459{
460    rsAssert(mIsGraphicsContext);
461
462    EGLBoolean ret;
463    if (mEGL.mSurface != NULL) {
464        ret = eglMakeCurrent(mEGL.mDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
465        checkEglError("eglMakeCurrent", ret);
466
467        ret = eglDestroySurface(mEGL.mDisplay, mEGL.mSurface);
468        checkEglError("eglDestroySurface", ret);
469
470        mEGL.mSurface = NULL;
471        mWidth = 0;
472        mHeight = 0;
473    }
474
475    mWndSurface = sur;
476    if (mWndSurface != NULL) {
477        mWidth = w;
478        mHeight = h;
479        bool first = false;
480        if (!mEGL.mContext) {
481            first = true;
482            pthread_mutex_lock(&gInitMutex);
483            initEGL(true);
484            pthread_mutex_unlock(&gInitMutex);
485        }
486
487        mEGL.mSurface = eglCreateWindowSurface(mEGL.mDisplay, mEGL.mConfig, mWndSurface, NULL);
488        checkEglError("eglCreateWindowSurface");
489        if (mEGL.mSurface == EGL_NO_SURFACE) {
490            LOGE("eglCreateWindowSurface returned EGL_NO_SURFACE");
491        }
492
493        ret = eglMakeCurrent(mEGL.mDisplay, mEGL.mSurface, mEGL.mSurface, mEGL.mContext);
494        checkEglError("eglMakeCurrent", ret);
495
496        mStateVertex.updateSize(this);
497
498        if (first) {
499            mGL.mVersion = glGetString(GL_VERSION);
500            mGL.mVendor = glGetString(GL_VENDOR);
501            mGL.mRenderer = glGetString(GL_RENDERER);
502            mGL.mExtensions = glGetString(GL_EXTENSIONS);
503
504            //LOGV("EGL Version %i %i", mEGL.mMajorVersion, mEGL.mMinorVersion);
505            LOGV("GL Version %s", mGL.mVersion);
506            //LOGV("GL Vendor %s", mGL.mVendor);
507            LOGV("GL Renderer %s", mGL.mRenderer);
508            //LOGV("GL Extensions %s", mGL.mExtensions);
509
510            const char *verptr = NULL;
511            if (strlen((const char *)mGL.mVersion) > 9) {
512                if (!memcmp(mGL.mVersion, "OpenGL ES-CM", 12)) {
513                    verptr = (const char *)mGL.mVersion + 12;
514                }
515                if (!memcmp(mGL.mVersion, "OpenGL ES ", 10)) {
516                    verptr = (const char *)mGL.mVersion + 9;
517                }
518            }
519
520            if (!verptr) {
521                LOGE("Error, OpenGL ES Lite not supported");
522            } else {
523                sscanf(verptr, " %i.%i", &mGL.mMajorVersion, &mGL.mMinorVersion);
524            }
525
526            glGetIntegerv(GL_MAX_VERTEX_ATTRIBS, &mGL.mMaxVertexAttribs);
527            glGetIntegerv(GL_MAX_VERTEX_UNIFORM_VECTORS, &mGL.mMaxVertexUniformVectors);
528            glGetIntegerv(GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS, &mGL.mMaxVertexTextureUnits);
529
530            glGetIntegerv(GL_MAX_VARYING_VECTORS, &mGL.mMaxVaryingVectors);
531            glGetIntegerv(GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS, &mGL.mMaxTextureImageUnits);
532
533            glGetIntegerv(GL_MAX_TEXTURE_IMAGE_UNITS, &mGL.mMaxFragmentTextureImageUnits);
534            glGetIntegerv(GL_MAX_FRAGMENT_UNIFORM_VECTORS, &mGL.mMaxFragmentUniformVectors);
535
536            mGL.OES_texture_npot = NULL != strstr((const char *)mGL.mExtensions, "GL_OES_texture_npot");
537        }
538
539    }
540}
541
542void Context::pause()
543{
544    rsAssert(mIsGraphicsContext);
545    mPaused = true;
546}
547
548void Context::resume()
549{
550    rsAssert(mIsGraphicsContext);
551    mPaused = false;
552}
553
554void Context::setRootScript(Script *s)
555{
556    rsAssert(mIsGraphicsContext);
557    mRootScript.set(s);
558}
559
560void Context::setFragmentStore(ProgramStore *pfs)
561{
562    rsAssert(mIsGraphicsContext);
563    if (pfs == NULL) {
564        mFragmentStore.set(mStateFragmentStore.mDefault);
565    } else {
566        mFragmentStore.set(pfs);
567    }
568}
569
570void Context::setFragment(ProgramFragment *pf)
571{
572    rsAssert(mIsGraphicsContext);
573    if (pf == NULL) {
574        mFragment.set(mStateFragment.mDefault);
575    } else {
576        mFragment.set(pf);
577    }
578}
579
580void Context::setRaster(ProgramRaster *pr)
581{
582    rsAssert(mIsGraphicsContext);
583    if (pr == NULL) {
584        mRaster.set(mStateRaster.mDefault);
585    } else {
586        mRaster.set(pr);
587    }
588}
589
590void Context::setVertex(ProgramVertex *pv)
591{
592    rsAssert(mIsGraphicsContext);
593    if (pv == NULL) {
594        mVertex.set(mStateVertex.mDefault);
595    } else {
596        mVertex.set(pv);
597    }
598}
599
600void Context::assignName(ObjectBase *obj, const char *name, uint32_t len)
601{
602    rsAssert(!obj->getName());
603    obj->setName(name, len);
604    mNames.add(obj);
605}
606
607void Context::removeName(ObjectBase *obj)
608{
609    for(size_t ct=0; ct < mNames.size(); ct++) {
610        if (obj == mNames[ct]) {
611            mNames.removeAt(ct);
612            return;
613        }
614    }
615}
616
617bool Context::objDestroyOOBInit()
618{
619    if (!mObjDestroy.mMutex.init()) {
620        LOGE("Context::ObjDestroyOOBInit mutex init failure");
621        return false;
622    }
623    return true;
624}
625
626void Context::objDestroyOOBRun()
627{
628    if (mObjDestroy.mNeedToEmpty) {
629        if (!mObjDestroy.mMutex.lock()) {
630            LOGE("Context::ObjDestroyOOBRun: error locking for OOBRun.");
631            return;
632        }
633
634        for (size_t ct = 0; ct < mObjDestroy.mDestroyList.size(); ct++) {
635            mObjDestroy.mDestroyList[ct]->decUserRef();
636        }
637        mObjDestroy.mDestroyList.clear();
638        mObjDestroy.mNeedToEmpty = false;
639        mObjDestroy.mMutex.unlock();
640    }
641}
642
643void Context::objDestroyOOBDestroy()
644{
645    rsAssert(!mObjDestroy.mNeedToEmpty);
646}
647
648void Context::objDestroyAdd(ObjectBase *obj)
649{
650    if (!mObjDestroy.mMutex.lock()) {
651        LOGE("Context::ObjDestroyOOBRun: error locking for OOBRun.");
652        return;
653    }
654
655    mObjDestroy.mNeedToEmpty = true;
656    mObjDestroy.mDestroyList.add(obj);
657    mObjDestroy.mMutex.unlock();
658}
659
660uint32_t Context::getMessageToClient(void *data, size_t *receiveLen, size_t bufferLen, bool wait)
661{
662    //LOGE("getMessageToClient %i %i", bufferLen, wait);
663    if (!wait) {
664        if (mIO.mToClient.isEmpty()) {
665            // No message to get and not going to wait for one.
666            receiveLen = 0;
667            return 0;
668        }
669    }
670
671    //LOGE("getMessageToClient 2 con=%p", this);
672    uint32_t bytesData = 0;
673    uint32_t commandID = 0;
674    const void *d = mIO.mToClient.get(&commandID, &bytesData);
675    //LOGE("getMessageToClient 3    %i  %i", commandID, bytesData);
676
677    *receiveLen = bytesData;
678    if (bufferLen >= bytesData) {
679        memcpy(data, d, bytesData);
680        mIO.mToClient.next();
681        return commandID;
682    }
683    return 0;
684}
685
686bool Context::sendMessageToClient(void *data, uint32_t cmdID, size_t len, bool waitForSpace)
687{
688    //LOGE("sendMessageToClient %i %i %i", cmdID, len, waitForSpace);
689    if (cmdID == 0) {
690        LOGE("Attempting to send invalid command 0 to client.");
691        return false;
692    }
693    if (!waitForSpace) {
694        if (mIO.mToClient.getFreeSpace() < len) {
695            // Not enough room, and not waiting.
696            return false;
697        }
698    }
699    //LOGE("sendMessageToClient 2");
700    void *p = mIO.mToClient.reserve(len);
701    memcpy(p, data, len);
702    mIO.mToClient.commit(cmdID, len);
703    //LOGE("sendMessageToClient 3");
704    return true;
705}
706
707void Context::initToClient()
708{
709    while(!mRunning) {
710        usleep(100);
711    }
712}
713
714void Context::deinitToClient()
715{
716    mIO.mToClient.shutdown();
717}
718
719const char * Context::getError(RsError *err)
720{
721    *err = mError;
722    mError = RS_ERROR_NONE;
723    if (*err != RS_ERROR_NONE) {
724        return mErrorMsg;
725    }
726    return NULL;
727}
728
729void Context::setError(RsError e, const char *msg)
730{
731    mError = e;
732    mErrorMsg = msg;
733}
734
735
736void Context::dumpDebug() const
737{
738    LOGE("RS Context debug %p", this);
739    LOGE("RS Context debug");
740
741    LOGE(" EGL ver %i %i", mEGL.mMajorVersion, mEGL.mMinorVersion);
742    LOGE(" EGL context %p  surface %p,  Display=%p", mEGL.mContext, mEGL.mSurface, mEGL.mDisplay);
743    LOGE(" GL vendor: %s", mGL.mVendor);
744    LOGE(" GL renderer: %s", mGL.mRenderer);
745    LOGE(" GL Version: %s", mGL.mVersion);
746    LOGE(" GL Extensions: %s", mGL.mExtensions);
747    LOGE(" GL int Versions %i %i", mGL.mMajorVersion, mGL.mMinorVersion);
748    LOGE(" RS width %i, height %i", mWidth, mHeight);
749    LOGE(" RS running %i, exit %i, useDepth %i, paused %i", mRunning, mExit, mUseDepth, mPaused);
750    LOGE(" RS pThreadID %li, nativeThreadID %i", mThreadId, mNativeThreadId);
751
752    LOGV("MAX Textures %i, %i  %i", mGL.mMaxVertexTextureUnits, mGL.mMaxFragmentTextureImageUnits, mGL.mMaxTextureImageUnits);
753    LOGV("MAX Attribs %i", mGL.mMaxVertexAttribs);
754    LOGV("MAX Uniforms %i, %i", mGL.mMaxVertexUniformVectors, mGL.mMaxFragmentUniformVectors);
755    LOGV("MAX Varyings %i", mGL.mMaxVaryingVectors);
756}
757
758///////////////////////////////////////////////////////////////////////////////////////////
759//
760
761namespace android {
762namespace renderscript {
763
764void rsi_ContextFinish(Context *rsc)
765{
766}
767
768void rsi_ContextBindRootScript(Context *rsc, RsScript vs)
769{
770    Script *s = static_cast<Script *>(vs);
771    rsc->setRootScript(s);
772}
773
774void rsi_ContextBindSampler(Context *rsc, uint32_t slot, RsSampler vs)
775{
776    Sampler *s = static_cast<Sampler *>(vs);
777
778    if (slot > RS_MAX_SAMPLER_SLOT) {
779        LOGE("Invalid sampler slot");
780        return;
781    }
782
783    s->bindToContext(&rsc->mStateSampler, slot);
784}
785
786void rsi_ContextBindProgramStore(Context *rsc, RsProgramStore vpfs)
787{
788    ProgramStore *pfs = static_cast<ProgramStore *>(vpfs);
789    rsc->setFragmentStore(pfs);
790}
791
792void rsi_ContextBindProgramFragment(Context *rsc, RsProgramFragment vpf)
793{
794    ProgramFragment *pf = static_cast<ProgramFragment *>(vpf);
795    rsc->setFragment(pf);
796}
797
798void rsi_ContextBindProgramRaster(Context *rsc, RsProgramRaster vpr)
799{
800    ProgramRaster *pr = static_cast<ProgramRaster *>(vpr);
801    rsc->setRaster(pr);
802}
803
804void rsi_ContextBindProgramVertex(Context *rsc, RsProgramVertex vpv)
805{
806    ProgramVertex *pv = static_cast<ProgramVertex *>(vpv);
807    rsc->setVertex(pv);
808}
809
810void rsi_AssignName(Context *rsc, void * obj, const char *name, uint32_t len)
811{
812    ObjectBase *ob = static_cast<ObjectBase *>(obj);
813    rsc->assignName(ob, name, len);
814}
815
816void rsi_ObjDestroy(Context *rsc, void *obj)
817{
818    ObjectBase *ob = static_cast<ObjectBase *>(obj);
819    rsc->removeName(ob);
820    ob->decUserRef();
821}
822
823void rsi_ContextPause(Context *rsc)
824{
825    rsc->pause();
826}
827
828void rsi_ContextResume(Context *rsc)
829{
830    rsc->resume();
831}
832
833void rsi_ContextSetSurface(Context *rsc, uint32_t w, uint32_t h, android_native_window_t *sur)
834{
835    rsc->setSurface(w, h, sur);
836}
837
838void rsi_ContextSetPriority(Context *rsc, int32_t p)
839{
840    rsc->setPriority(p);
841}
842
843void rsi_ContextDump(Context *rsc, int32_t bits)
844{
845    ObjectBase::dumpAll(rsc);
846}
847
848const char * rsi_ContextGetError(Context *rsc, RsError *e)
849{
850    const char *msg = rsc->getError(e);
851    if (*e != RS_ERROR_NONE) {
852        LOGE("RS Error %i %s", *e, msg);
853    }
854    return msg;
855}
856
857}
858}
859
860
861RsContext rsContextCreate(RsDevice vdev, uint32_t version)
862{
863    LOGV("rsContextCreate %p", vdev);
864    Device * dev = static_cast<Device *>(vdev);
865    Context *rsc = new Context(dev, false, false);
866    return rsc;
867}
868
869RsContext rsContextCreateGL(RsDevice vdev, uint32_t version, bool useDepth)
870{
871    LOGV("rsContextCreateGL %p, %i", vdev, useDepth);
872    Device * dev = static_cast<Device *>(vdev);
873    Context *rsc = new Context(dev, true, useDepth);
874    return rsc;
875}
876
877void rsContextDestroy(RsContext vrsc)
878{
879    Context * rsc = static_cast<Context *>(vrsc);
880    delete rsc;
881}
882
883void rsObjDestroyOOB(RsContext vrsc, void *obj)
884{
885    Context * rsc = static_cast<Context *>(vrsc);
886    rsc->objDestroyAdd(static_cast<ObjectBase *>(obj));
887}
888
889uint32_t rsContextGetMessage(RsContext vrsc, void *data, size_t *receiveLen, size_t bufferLen, bool wait)
890{
891    Context * rsc = static_cast<Context *>(vrsc);
892    return rsc->getMessageToClient(data, receiveLen, bufferLen, wait);
893}
894
895void rsContextInitToClient(RsContext vrsc)
896{
897    Context * rsc = static_cast<Context *>(vrsc);
898    rsc->initToClient();
899}
900
901void rsContextDeinitToClient(RsContext vrsc)
902{
903    Context * rsc = static_cast<Context *>(vrsc);
904    rsc->deinitToClient();
905}
906
907