rsContext.cpp revision ef21edcc70fc2734a3dc7995d3c3af1f90d16ef8 
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<ProgramFragmentStore> 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    rsAssert(mRootScript->mEnviroment.mIsRoot);
158
159    eglQuerySurface(mEGL.mDisplay, mEGL.mSurface, EGL_WIDTH, &mEGL.mWidth);
160    eglQuerySurface(mEGL.mDisplay, mEGL.mSurface, EGL_HEIGHT, &mEGL.mHeight);
161    glViewport(0, 0, mEGL.mWidth, mEGL.mHeight);
162    glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
163
164    glClearColor(mRootScript->mEnviroment.mClearColor[0],
165                 mRootScript->mEnviroment.mClearColor[1],
166                 mRootScript->mEnviroment.mClearColor[2],
167                 mRootScript->mEnviroment.mClearColor[3]);
168    if (mUseDepth) {
169        glDepthMask(GL_TRUE);
170        glClearDepthf(mRootScript->mEnviroment.mClearDepth);
171        glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
172    } else {
173        glClear(GL_COLOR_BUFFER_BIT);
174    }
175
176    timerSet(RS_TIMER_SCRIPT);
177    mStateFragmentStore.mLast.clear();
178    uint32_t ret = runScript(mRootScript.get(), 0);
179
180    checkError("runRootScript");
181    return ret;
182}
183
184uint64_t Context::getTime() const
185{
186    struct timespec t;
187    clock_gettime(CLOCK_MONOTONIC, &t);
188    return t.tv_nsec + ((uint64_t)t.tv_sec * 1000 * 1000 * 1000);
189}
190
191void Context::timerReset()
192{
193    for (int ct=0; ct < _RS_TIMER_TOTAL; ct++) {
194        mTimers[ct] = 0;
195    }
196}
197
198void Context::timerInit()
199{
200    mTimeLast = getTime();
201    mTimeFrame = mTimeLast;
202    mTimeLastFrame = mTimeLast;
203    mTimerActive = RS_TIMER_INTERNAL;
204    timerReset();
205}
206
207void Context::timerFrame()
208{
209    mTimeLastFrame = mTimeFrame;
210    mTimeFrame = getTime();
211}
212
213void Context::timerSet(Timers tm)
214{
215    uint64_t last = mTimeLast;
216    mTimeLast = getTime();
217    mTimers[mTimerActive] += mTimeLast - last;
218    mTimerActive = tm;
219}
220
221void Context::timerPrint()
222{
223    double total = 0;
224    for (int ct = 0; ct < _RS_TIMER_TOTAL; ct++) {
225        total += mTimers[ct];
226    }
227    uint64_t frame = mTimeFrame - mTimeLastFrame;
228    mTimeMSLastFrame = frame / 1000000;
229    mTimeMSLastScript = mTimers[RS_TIMER_SCRIPT] / 1000000;
230    mTimeMSLastSwap = mTimers[RS_TIMER_CLEAR_SWAP] / 1000000;
231
232
233    if (props.mLogTimes) {
234        LOGV("RS: Frame (%i),   Script %2.1f (%i),  Clear & Swap %2.1f (%i),  Idle %2.1f (%lli),  Internal %2.1f (%lli)",
235             mTimeMSLastFrame,
236             100.0 * mTimers[RS_TIMER_SCRIPT] / total, mTimeMSLastScript,
237             100.0 * mTimers[RS_TIMER_CLEAR_SWAP] / total, mTimeMSLastSwap,
238             100.0 * mTimers[RS_TIMER_IDLE] / total, mTimers[RS_TIMER_IDLE] / 1000000,
239             100.0 * mTimers[RS_TIMER_INTERNAL] / total, mTimers[RS_TIMER_INTERNAL] / 1000000);
240    }
241}
242
243void Context::setupCheck()
244{
245    if (checkVersion2_0()) {
246        mShaderCache.lookup(this, mVertex.get(), mFragment.get());
247
248        mFragmentStore->setupGL2(this, &mStateFragmentStore);
249        mFragment->setupGL2(this, &mStateFragment, &mShaderCache);
250        mRaster->setupGL2(this, &mStateRaster);
251        mVertex->setupGL2(this, &mStateVertex, &mShaderCache);
252
253    } else {
254        mFragmentStore->setupGL(this, &mStateFragmentStore);
255        mFragment->setupGL(this, &mStateFragment);
256        mRaster->setupGL(this, &mStateRaster);
257        mVertex->setupGL(this, &mStateVertex);
258    }
259}
260
261static bool getProp(const char *str)
262{
263    char buf[PROPERTY_VALUE_MAX];
264    property_get(str, buf, "0");
265    return 0 != strcmp(buf, "0");
266}
267
268void * Context::threadProc(void *vrsc)
269{
270     Context *rsc = static_cast<Context *>(vrsc);
271     rsc->mNativeThreadId = gettid();
272
273     setpriority(PRIO_PROCESS, rsc->mNativeThreadId, ANDROID_PRIORITY_DISPLAY);
274     rsc->mThreadPriority = ANDROID_PRIORITY_DISPLAY;
275
276     rsc->props.mLogTimes = getProp("debug.rs.profile");
277     rsc->props.mLogScripts = getProp("debug.rs.script");
278     rsc->props.mLogObjects = getProp("debug.rs.object");
279     rsc->props.mLogShaders = getProp("debug.rs.shader");
280
281     ScriptTLSStruct *tlsStruct = new ScriptTLSStruct;
282     if (!tlsStruct) {
283         LOGE("Error allocating tls storage");
284         return NULL;
285     }
286     tlsStruct->mContext = rsc;
287     tlsStruct->mScript = NULL;
288     int status = pthread_setspecific(rsc->gThreadTLSKey, tlsStruct);
289     if (status) {
290         LOGE("pthread_setspecific %i", status);
291     }
292
293     if (rsc->mIsGraphicsContext) {
294         rsc->mStateRaster.init(rsc, rsc->mEGL.mWidth, rsc->mEGL.mHeight);
295         rsc->setRaster(NULL);
296         rsc->mStateVertex.init(rsc, rsc->mEGL.mWidth, rsc->mEGL.mHeight);
297         rsc->setVertex(NULL);
298         rsc->mStateFragment.init(rsc, rsc->mEGL.mWidth, rsc->mEGL.mHeight);
299         rsc->setFragment(NULL);
300         rsc->mStateFragmentStore.init(rsc, rsc->mEGL.mWidth, rsc->mEGL.mHeight);
301         rsc->setFragmentStore(NULL);
302         rsc->mStateVertexArray.init(rsc);
303     }
304
305     rsc->mRunning = true;
306     bool mDraw = true;
307     while (!rsc->mExit) {
308         mDraw |= rsc->mIO.playCoreCommands(rsc, !mDraw);
309         mDraw &= (rsc->mRootScript.get() != NULL);
310         mDraw &= (rsc->mWndSurface != NULL);
311
312         uint32_t targetTime = 0;
313         if (mDraw && rsc->mIsGraphicsContext) {
314             targetTime = rsc->runRootScript();
315             mDraw = targetTime && !rsc->mPaused;
316             rsc->timerSet(RS_TIMER_CLEAR_SWAP);
317             eglSwapBuffers(rsc->mEGL.mDisplay, rsc->mEGL.mSurface);
318             rsc->timerFrame();
319             rsc->timerSet(RS_TIMER_INTERNAL);
320             rsc->timerPrint();
321             rsc->timerReset();
322         }
323         if (rsc->mObjDestroy.mNeedToEmpty) {
324             rsc->objDestroyOOBRun();
325         }
326         if (rsc->mThreadPriority > 0 && targetTime) {
327             int32_t t = (targetTime - (int32_t)(rsc->mTimeMSLastScript + rsc->mTimeMSLastSwap)) * 1000;
328             if (t > 0) {
329                 usleep(t);
330             }
331         }
332     }
333
334     LOGV("RS Thread exiting");
335     if (rsc->mIsGraphicsContext) {
336         rsc->mRaster.clear();
337         rsc->mFragment.clear();
338         rsc->mVertex.clear();
339         rsc->mFragmentStore.clear();
340         rsc->mRootScript.clear();
341         rsc->mStateRaster.deinit(rsc);
342         rsc->mStateVertex.deinit(rsc);
343         rsc->mStateFragment.deinit(rsc);
344         rsc->mStateFragmentStore.deinit(rsc);
345     }
346     ObjectBase::zeroAllUserRef(rsc);
347
348     rsc->mObjDestroy.mNeedToEmpty = true;
349     rsc->objDestroyOOBRun();
350
351     if (rsc->mIsGraphicsContext) {
352         pthread_mutex_lock(&gInitMutex);
353         rsc->deinitEGL();
354         pthread_mutex_unlock(&gInitMutex);
355     }
356
357     LOGV("RS Thread exited");
358     return NULL;
359}
360
361void Context::setPriority(int32_t p)
362{
363    // Note: If we put this in the proper "background" policy
364    // the wallpapers can become completly unresponsive at times.
365    // This is probably not what we want for something the user is actively
366    // looking at.
367    mThreadPriority = p;
368#if 0
369    SchedPolicy pol = SP_FOREGROUND;
370    if (p > 0) {
371        pol = SP_BACKGROUND;
372    }
373    if (!set_sched_policy(mNativeThreadId, pol)) {
374        // success; reset the priority as well
375    }
376#else
377        setpriority(PRIO_PROCESS, mNativeThreadId, p);
378#endif
379}
380
381Context::Context(Device *dev, bool isGraphics, bool useDepth)
382{
383    pthread_mutex_lock(&gInitMutex);
384
385    dev->addContext(this);
386    mDev = dev;
387    mRunning = false;
388    mExit = false;
389    mUseDepth = useDepth;
390    mPaused = false;
391    mObjHead = NULL;
392    memset(&mEGL, 0, sizeof(mEGL));
393    memset(&mGL, 0, sizeof(mGL));
394    mIsGraphicsContext = isGraphics;
395
396    int status;
397    pthread_attr_t threadAttr;
398
399    if (!gThreadTLSKeyCount) {
400        status = pthread_key_create(&gThreadTLSKey, NULL);
401        if (status) {
402            LOGE("Failed to init thread tls key.");
403            pthread_mutex_unlock(&gInitMutex);
404            return;
405        }
406    }
407    gThreadTLSKeyCount++;
408    pthread_mutex_unlock(&gInitMutex);
409
410    // Global init done at this point.
411
412    status = pthread_attr_init(&threadAttr);
413    if (status) {
414        LOGE("Failed to init thread attribute.");
415        return;
416    }
417
418    mWndSurface = NULL;
419
420    objDestroyOOBInit();
421    timerInit();
422    timerSet(RS_TIMER_INTERNAL);
423
424    LOGV("RS Launching thread");
425    status = pthread_create(&mThreadId, &threadAttr, threadProc, this);
426    if (status) {
427        LOGE("Failed to start rs context thread.");
428    }
429
430    while(!mRunning) {
431        usleep(100);
432    }
433
434    pthread_attr_destroy(&threadAttr);
435}
436
437Context::~Context()
438{
439    LOGV("Context::~Context");
440    mExit = true;
441    mPaused = false;
442    void *res;
443
444    mIO.shutdown();
445    int status = pthread_join(mThreadId, &res);
446    mObjDestroy.mNeedToEmpty = true;
447    objDestroyOOBRun();
448
449    // Global structure cleanup.
450    pthread_mutex_lock(&gInitMutex);
451    if (mDev) {
452        mDev->removeContext(this);
453        --gThreadTLSKeyCount;
454        if (!gThreadTLSKeyCount) {
455            pthread_key_delete(gThreadTLSKey);
456        }
457        mDev = NULL;
458    }
459    pthread_mutex_unlock(&gInitMutex);
460
461    objDestroyOOBDestroy();
462}
463
464void Context::setSurface(uint32_t w, uint32_t h, android_native_window_t *sur)
465{
466    rsAssert(mIsGraphicsContext);
467
468    EGLBoolean ret;
469    if (mEGL.mSurface != NULL) {
470        ret = eglMakeCurrent(mEGL.mDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
471        checkEglError("eglMakeCurrent", ret);
472
473        ret = eglDestroySurface(mEGL.mDisplay, mEGL.mSurface);
474        checkEglError("eglDestroySurface", ret);
475
476        mEGL.mSurface = NULL;
477        mEGL.mWidth = 0;
478        mEGL.mHeight = 0;
479        mWidth = 0;
480        mHeight = 0;
481    }
482
483    mWndSurface = sur;
484    if (mWndSurface != NULL) {
485        bool first = false;
486        if (!mEGL.mContext) {
487            first = true;
488            pthread_mutex_lock(&gInitMutex);
489            initEGL(true);
490            pthread_mutex_unlock(&gInitMutex);
491        }
492
493        mEGL.mSurface = eglCreateWindowSurface(mEGL.mDisplay, mEGL.mConfig, mWndSurface, NULL);
494        checkEglError("eglCreateWindowSurface");
495        if (mEGL.mSurface == EGL_NO_SURFACE) {
496            LOGE("eglCreateWindowSurface returned EGL_NO_SURFACE");
497        }
498
499        ret = eglMakeCurrent(mEGL.mDisplay, mEGL.mSurface, mEGL.mSurface, mEGL.mContext);
500        checkEglError("eglMakeCurrent", ret);
501
502        eglQuerySurface(mEGL.mDisplay, mEGL.mSurface, EGL_WIDTH, &mEGL.mWidth);
503        eglQuerySurface(mEGL.mDisplay, mEGL.mSurface, EGL_HEIGHT, &mEGL.mHeight);
504        mWidth = w;
505        mHeight = h;
506        mStateVertex.updateSize(this, w, h);
507
508        if ((int)mWidth != mEGL.mWidth || (int)mHeight != mEGL.mHeight) {
509            LOGE("EGL/Surface mismatch  EGL (%i x %i)  SF (%i x %i)", mEGL.mWidth, mEGL.mHeight, mWidth, mHeight);
510        }
511
512        if (first) {
513            mGL.mVersion = glGetString(GL_VERSION);
514            mGL.mVendor = glGetString(GL_VENDOR);
515            mGL.mRenderer = glGetString(GL_RENDERER);
516            mGL.mExtensions = glGetString(GL_EXTENSIONS);
517
518            //LOGV("EGL Version %i %i", mEGL.mMajorVersion, mEGL.mMinorVersion);
519            LOGV("GL Version %s", mGL.mVersion);
520            //LOGV("GL Vendor %s", mGL.mVendor);
521            LOGV("GL Renderer %s", mGL.mRenderer);
522            //LOGV("GL Extensions %s", mGL.mExtensions);
523
524            const char *verptr = NULL;
525            if (strlen((const char *)mGL.mVersion) > 9) {
526                if (!memcmp(mGL.mVersion, "OpenGL ES-CM", 12)) {
527                    verptr = (const char *)mGL.mVersion + 12;
528                }
529                if (!memcmp(mGL.mVersion, "OpenGL ES ", 10)) {
530                    verptr = (const char *)mGL.mVersion + 9;
531                }
532            }
533
534            if (!verptr) {
535                LOGE("Error, OpenGL ES Lite not supported");
536            } else {
537                sscanf(verptr, " %i.%i", &mGL.mMajorVersion, &mGL.mMinorVersion);
538            }
539
540            glGetIntegerv(GL_MAX_VERTEX_ATTRIBS, &mGL.mMaxVertexAttribs);
541            glGetIntegerv(GL_MAX_VERTEX_UNIFORM_VECTORS, &mGL.mMaxVertexUniformVectors);
542            glGetIntegerv(GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS, &mGL.mMaxVertexTextureUnits);
543
544            glGetIntegerv(GL_MAX_VARYING_VECTORS, &mGL.mMaxVaryingVectors);
545            glGetIntegerv(GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS, &mGL.mMaxTextureImageUnits);
546
547            glGetIntegerv(GL_MAX_TEXTURE_IMAGE_UNITS, &mGL.mMaxFragmentTextureImageUnits);
548            glGetIntegerv(GL_MAX_FRAGMENT_UNIFORM_VECTORS, &mGL.mMaxFragmentUniformVectors);
549
550            mGL.OES_texture_npot = NULL != strstr((const char *)mGL.mExtensions, "GL_OES_texture_npot");
551        }
552
553    }
554}
555
556void Context::pause()
557{
558    rsAssert(mIsGraphicsContext);
559    mPaused = true;
560}
561
562void Context::resume()
563{
564    rsAssert(mIsGraphicsContext);
565    mPaused = false;
566}
567
568void Context::setRootScript(Script *s)
569{
570    rsAssert(mIsGraphicsContext);
571    mRootScript.set(s);
572}
573
574void Context::setFragmentStore(ProgramFragmentStore *pfs)
575{
576    rsAssert(mIsGraphicsContext);
577    if (pfs == NULL) {
578        mFragmentStore.set(mStateFragmentStore.mDefault);
579    } else {
580        mFragmentStore.set(pfs);
581    }
582}
583
584void Context::setFragment(ProgramFragment *pf)
585{
586    rsAssert(mIsGraphicsContext);
587    if (pf == NULL) {
588        mFragment.set(mStateFragment.mDefault);
589    } else {
590        mFragment.set(pf);
591    }
592}
593
594void Context::setRaster(ProgramRaster *pr)
595{
596    rsAssert(mIsGraphicsContext);
597    if (pr == NULL) {
598        mRaster.set(mStateRaster.mDefault);
599    } else {
600        mRaster.set(pr);
601    }
602}
603
604void Context::setVertex(ProgramVertex *pv)
605{
606    rsAssert(mIsGraphicsContext);
607    if (pv == NULL) {
608        mVertex.set(mStateVertex.mDefault);
609    } else {
610        mVertex.set(pv);
611    }
612}
613
614void Context::assignName(ObjectBase *obj, const char *name, uint32_t len)
615{
616    rsAssert(!obj->getName());
617    obj->setName(name, len);
618    mNames.add(obj);
619}
620
621void Context::removeName(ObjectBase *obj)
622{
623    for(size_t ct=0; ct < mNames.size(); ct++) {
624        if (obj == mNames[ct]) {
625            mNames.removeAt(ct);
626            return;
627        }
628    }
629}
630
631ObjectBase * Context::lookupName(const char *name) const
632{
633    for(size_t ct=0; ct < mNames.size(); ct++) {
634        if (!strcmp(name, mNames[ct]->getName())) {
635            return mNames[ct];
636        }
637    }
638    return NULL;
639}
640
641void Context::appendNameDefines(String8 *str) const
642{
643    char buf[256];
644    for (size_t ct=0; ct < mNames.size(); ct++) {
645        str->append("#define NAMED_");
646        str->append(mNames[ct]->getName());
647        str->append(" ");
648        sprintf(buf, "%i\n", (int)mNames[ct]);
649        str->append(buf);
650    }
651}
652
653bool Context::objDestroyOOBInit()
654{
655    int status = pthread_mutex_init(&mObjDestroy.mMutex, NULL);
656    if (status) {
657        LOGE("Context::ObjDestroyOOBInit mutex init failure");
658        return false;
659    }
660    return true;
661}
662
663void Context::objDestroyOOBRun()
664{
665    if (mObjDestroy.mNeedToEmpty) {
666        int status = pthread_mutex_lock(&mObjDestroy.mMutex);
667        if (status) {
668            LOGE("Context::ObjDestroyOOBRun: error %i locking for OOBRun.", status);
669            return;
670        }
671
672        for (size_t ct = 0; ct < mObjDestroy.mDestroyList.size(); ct++) {
673            mObjDestroy.mDestroyList[ct]->decUserRef();
674        }
675        mObjDestroy.mDestroyList.clear();
676        mObjDestroy.mNeedToEmpty = false;
677
678        status = pthread_mutex_unlock(&mObjDestroy.mMutex);
679        if (status) {
680            LOGE("Context::ObjDestroyOOBRun: error %i unlocking for set condition.", status);
681        }
682    }
683}
684
685void Context::objDestroyOOBDestroy()
686{
687    rsAssert(!mObjDestroy.mNeedToEmpty);
688    pthread_mutex_destroy(&mObjDestroy.mMutex);
689}
690
691void Context::objDestroyAdd(ObjectBase *obj)
692{
693    int status = pthread_mutex_lock(&mObjDestroy.mMutex);
694    if (status) {
695        LOGE("Context::ObjDestroyOOBRun: error %i locking for OOBRun.", status);
696        return;
697    }
698
699    mObjDestroy.mNeedToEmpty = true;
700    mObjDestroy.mDestroyList.add(obj);
701
702    status = pthread_mutex_unlock(&mObjDestroy.mMutex);
703    if (status) {
704        LOGE("Context::ObjDestroyOOBRun: error %i unlocking for set condition.", status);
705    }
706}
707
708uint32_t Context::getMessageToClient(void *data, size_t *receiveLen, size_t bufferLen, bool wait)
709{
710    //LOGE("getMessageToClient %i %i", bufferLen, wait);
711    if (!wait) {
712        if (mIO.mToClient.isEmpty()) {
713            // No message to get and not going to wait for one.
714            receiveLen = 0;
715            return 0;
716        }
717    }
718
719    //LOGE("getMessageToClient 2 con=%p", this);
720    uint32_t bytesData = 0;
721    uint32_t commandID = 0;
722    const void *d = mIO.mToClient.get(&commandID, &bytesData);
723    //LOGE("getMessageToClient 3    %i  %i", commandID, bytesData);
724
725    *receiveLen = bytesData;
726    if (bufferLen >= bytesData) {
727        memcpy(data, d, bytesData);
728        mIO.mToClient.next();
729        return commandID;
730    }
731    return 0;
732}
733
734bool Context::sendMessageToClient(void *data, uint32_t cmdID, size_t len, bool waitForSpace)
735{
736    //LOGE("sendMessageToClient %i %i %i", cmdID, len, waitForSpace);
737    if (cmdID == 0) {
738        LOGE("Attempting to send invalid command 0 to client.");
739        return false;
740    }
741    if (!waitForSpace) {
742        if (mIO.mToClient.getFreeSpace() < len) {
743            // Not enough room, and not waiting.
744            return false;
745        }
746    }
747    //LOGE("sendMessageToClient 2");
748    void *p = mIO.mToClient.reserve(len);
749    memcpy(p, data, len);
750    mIO.mToClient.commit(cmdID, len);
751    //LOGE("sendMessageToClient 3");
752    return true;
753}
754
755void Context::initToClient()
756{
757    while(!mRunning) {
758        usleep(100);
759    }
760}
761
762void Context::deinitToClient()
763{
764    mIO.mToClient.shutdown();
765}
766
767void Context::dumpDebug() const
768{
769    LOGE("RS Context debug %p", this);
770    LOGE("RS Context debug");
771
772    LOGE(" EGL ver %i %i", mEGL.mMajorVersion, mEGL.mMinorVersion);
773    LOGE(" EGL context %p  surface %p,  w=%i h=%i  Display=%p", mEGL.mContext,
774         mEGL.mSurface, mEGL.mWidth, mEGL.mHeight, mEGL.mDisplay);
775    LOGE(" GL vendor: %s", mGL.mVendor);
776    LOGE(" GL renderer: %s", mGL.mRenderer);
777    LOGE(" GL Version: %s", mGL.mVersion);
778    LOGE(" GL Extensions: %s", mGL.mExtensions);
779    LOGE(" GL int Versions %i %i", mGL.mMajorVersion, mGL.mMinorVersion);
780    LOGE(" RS width %i, height %i", mWidth, mHeight);
781    LOGE(" RS running %i, exit %i, useDepth %i, paused %i", mRunning, mExit, mUseDepth, mPaused);
782    LOGE(" RS pThreadID %li, nativeThreadID %i", mThreadId, mNativeThreadId);
783
784    LOGV("MAX Textures %i, %i  %i", mGL.mMaxVertexTextureUnits, mGL.mMaxFragmentTextureImageUnits, mGL.mMaxTextureImageUnits);
785    LOGV("MAX Attribs %i", mGL.mMaxVertexAttribs);
786    LOGV("MAX Uniforms %i, %i", mGL.mMaxVertexUniformVectors, mGL.mMaxFragmentUniformVectors);
787    LOGV("MAX Varyings %i", mGL.mMaxVaryingVectors);
788}
789
790///////////////////////////////////////////////////////////////////////////////////////////
791//
792
793namespace android {
794namespace renderscript {
795
796
797void rsi_ContextBindRootScript(Context *rsc, RsScript vs)
798{
799    Script *s = static_cast<Script *>(vs);
800    rsc->setRootScript(s);
801}
802
803void rsi_ContextBindSampler(Context *rsc, uint32_t slot, RsSampler vs)
804{
805    Sampler *s = static_cast<Sampler *>(vs);
806
807    if (slot > RS_MAX_SAMPLER_SLOT) {
808        LOGE("Invalid sampler slot");
809        return;
810    }
811
812    s->bindToContext(&rsc->mStateSampler, slot);
813}
814
815void rsi_ContextBindProgramFragmentStore(Context *rsc, RsProgramFragmentStore vpfs)
816{
817    ProgramFragmentStore *pfs = static_cast<ProgramFragmentStore *>(vpfs);
818    rsc->setFragmentStore(pfs);
819}
820
821void rsi_ContextBindProgramFragment(Context *rsc, RsProgramFragment vpf)
822{
823    ProgramFragment *pf = static_cast<ProgramFragment *>(vpf);
824    rsc->setFragment(pf);
825}
826
827void rsi_ContextBindProgramRaster(Context *rsc, RsProgramRaster vpr)
828{
829    ProgramRaster *pr = static_cast<ProgramRaster *>(vpr);
830    rsc->setRaster(pr);
831}
832
833void rsi_ContextBindProgramVertex(Context *rsc, RsProgramVertex vpv)
834{
835    ProgramVertex *pv = static_cast<ProgramVertex *>(vpv);
836    rsc->setVertex(pv);
837}
838
839void rsi_AssignName(Context *rsc, void * obj, const char *name, uint32_t len)
840{
841    ObjectBase *ob = static_cast<ObjectBase *>(obj);
842    rsc->assignName(ob, name, len);
843}
844
845void rsi_ObjDestroy(Context *rsc, void *obj)
846{
847    ObjectBase *ob = static_cast<ObjectBase *>(obj);
848    rsc->removeName(ob);
849    ob->decUserRef();
850}
851
852void rsi_ContextPause(Context *rsc)
853{
854    rsc->pause();
855}
856
857void rsi_ContextResume(Context *rsc)
858{
859    rsc->resume();
860}
861
862void rsi_ContextSetSurface(Context *rsc, uint32_t w, uint32_t h, android_native_window_t *sur)
863{
864    rsc->setSurface(w, h, sur);
865}
866
867void rsi_ContextSetPriority(Context *rsc, int32_t p)
868{
869    rsc->setPriority(p);
870}
871
872void rsi_ContextDump(Context *rsc, int32_t bits)
873{
874    ObjectBase::dumpAll(rsc);
875}
876
877}
878}
879
880
881RsContext rsContextCreate(RsDevice vdev, uint32_t version)
882{
883    LOGV("rsContextCreate %p", vdev);
884    Device * dev = static_cast<Device *>(vdev);
885    Context *rsc = new Context(dev, false, false);
886    return rsc;
887}
888
889RsContext rsContextCreateGL(RsDevice vdev, uint32_t version, bool useDepth)
890{
891    LOGV("rsContextCreateGL %p, %i", vdev, useDepth);
892    Device * dev = static_cast<Device *>(vdev);
893    Context *rsc = new Context(dev, true, useDepth);
894    return rsc;
895}
896
897void rsContextDestroy(RsContext vrsc)
898{
899    Context * rsc = static_cast<Context *>(vrsc);
900    delete rsc;
901}
902
903void rsObjDestroyOOB(RsContext vrsc, void *obj)
904{
905    Context * rsc = static_cast<Context *>(vrsc);
906    rsc->objDestroyAdd(static_cast<ObjectBase *>(obj));
907}
908
909uint32_t rsContextGetMessage(RsContext vrsc, void *data, size_t *receiveLen, size_t bufferLen, bool wait)
910{
911    Context * rsc = static_cast<Context *>(vrsc);
912    return rsc->getMessageToClient(data, receiveLen, bufferLen, wait);
913}
914
915void rsContextInitToClient(RsContext vrsc)
916{
917    Context * rsc = static_cast<Context *>(vrsc);
918    rsc->initToClient();
919}
920
921void rsContextDeinitToClient(RsContext vrsc)
922{
923    Context * rsc = static_cast<Context *>(vrsc);
924    rsc->deinitToClient();
925}
926
927