rsContext.cpp revision f2649a961db2995e9e24a6c98f8a419f1496c1b7 
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
23#include <cutils/properties.h>
24
25#include <GLES/gl.h>
26#include <GLES/glext.h>
27
28using namespace android;
29using namespace android::renderscript;
30
31pthread_key_t Context::gThreadTLSKey = 0;
32
33void Context::initEGL()
34{
35    mEGL.mNumConfigs = -1;
36    EGLint configAttribs[128];
37    EGLint *configAttribsPtr = configAttribs;
38
39    memset(configAttribs, 0, sizeof(configAttribs));
40
41    configAttribsPtr[0] = EGL_SURFACE_TYPE;
42    configAttribsPtr[1] = EGL_WINDOW_BIT;
43    configAttribsPtr += 2;
44
45    if (mUseDepth) {
46        configAttribsPtr[0] = EGL_DEPTH_SIZE;
47        configAttribsPtr[1] = 16;
48        configAttribsPtr += 2;
49    }
50
51    if (mDev->mForceSW) {
52        configAttribsPtr[0] = EGL_CONFIG_CAVEAT;
53        configAttribsPtr[1] = EGL_SLOW_CONFIG;
54        configAttribsPtr += 2;
55    }
56
57    configAttribsPtr[0] = EGL_NONE;
58    rsAssert(configAttribsPtr < (configAttribs + (sizeof(configAttribs) / sizeof(EGLint))));
59
60    mEGL.mDisplay = eglGetDisplay(EGL_DEFAULT_DISPLAY);
61    eglInitialize(mEGL.mDisplay, &mEGL.mMajorVersion, &mEGL.mMinorVersion);
62
63    status_t err = EGLUtils::selectConfigForNativeWindow(mEGL.mDisplay, configAttribs, mWndSurface, &mEGL.mConfig);
64    if (err) {
65       LOGE("couldn't find an EGLConfig matching the screen format\n");
66    }
67    //eglChooseConfig(mEGL.mDisplay, configAttribs, &mEGL.mConfig, 1, &mEGL.mNumConfigs);
68
69    if (mWndSurface) {
70        mEGL.mSurface = eglCreateWindowSurface(mEGL.mDisplay, mEGL.mConfig, mWndSurface, NULL);
71    } else {
72        mEGL.mSurface = eglCreateWindowSurface(mEGL.mDisplay, mEGL.mConfig,
73             android_createDisplaySurface(),
74             NULL);
75    }
76
77    mEGL.mContext = eglCreateContext(mEGL.mDisplay, mEGL.mConfig, NULL, NULL);
78    eglMakeCurrent(mEGL.mDisplay, mEGL.mSurface, mEGL.mSurface, mEGL.mContext);
79    eglQuerySurface(mEGL.mDisplay, mEGL.mSurface, EGL_WIDTH, &mEGL.mWidth);
80    eglQuerySurface(mEGL.mDisplay, mEGL.mSurface, EGL_HEIGHT, &mEGL.mHeight);
81
82
83    mGL.mVersion = glGetString(GL_VERSION);
84    mGL.mVendor = glGetString(GL_VENDOR);
85    mGL.mRenderer = glGetString(GL_RENDERER);
86    mGL.mExtensions = glGetString(GL_EXTENSIONS);
87
88    LOGV("EGL Version %i %i", mEGL.mMajorVersion, mEGL.mMinorVersion);
89    LOGV("GL Version %s", mGL.mVersion);
90    LOGV("GL Vendor %s", mGL.mVendor);
91    LOGV("GL Renderer %s", mGL.mRenderer);
92    LOGV("GL Extensions %s", mGL.mExtensions);
93
94    if ((strlen((const char *)mGL.mVersion) < 12) || memcmp(mGL.mVersion, "OpenGL ES-CM", 12)) {
95        LOGE("Error, OpenGL ES Lite not supported");
96    } else {
97        sscanf((const char *)mGL.mVersion + 13, "%i.%i", &mGL.mMajorVersion, &mGL.mMinorVersion);
98    }
99}
100
101bool Context::runScript(Script *s, uint32_t launchID)
102{
103    ObjectBaseRef<ProgramFragment> frag(mFragment);
104    ObjectBaseRef<ProgramVertex> vtx(mVertex);
105    ObjectBaseRef<ProgramFragmentStore> store(mFragmentStore);
106
107    bool ret = s->run(this, launchID);
108
109    mFragment.set(frag);
110    mVertex.set(vtx);
111    mFragmentStore.set(store);
112    return ret;
113}
114
115
116bool Context::runRootScript()
117{
118    if (props.mLogTimes) {
119        timerSet(RS_TIMER_CLEAR_SWAP);
120    }
121    rsAssert(mRootScript->mEnviroment.mIsRoot);
122
123    eglQuerySurface(mEGL.mDisplay, mEGL.mSurface, EGL_WIDTH, &mEGL.mWidth);
124    eglQuerySurface(mEGL.mDisplay, mEGL.mSurface, EGL_HEIGHT, &mEGL.mHeight);
125    glViewport(0, 0, mEGL.mWidth, mEGL.mHeight);
126    glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
127    //glEnable(GL_POINT_SMOOTH);
128
129    glClearColor(mRootScript->mEnviroment.mClearColor[0],
130                 mRootScript->mEnviroment.mClearColor[1],
131                 mRootScript->mEnviroment.mClearColor[2],
132                 mRootScript->mEnviroment.mClearColor[3]);
133    if (mUseDepth) {
134        glDepthMask(GL_TRUE);
135        glClearDepthf(mRootScript->mEnviroment.mClearDepth);
136        glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
137    } else {
138        glClear(GL_COLOR_BUFFER_BIT);
139    }
140
141    if (this->props.mLogTimes) {
142        timerSet(RS_TIMER_SCRIPT);
143    }
144    bool ret = runScript(mRootScript.get(), 0);
145    return ret;
146}
147
148uint64_t Context::getTime() const
149{
150    struct timespec t;
151    clock_gettime(CLOCK_MONOTONIC, &t);
152    return t.tv_nsec + ((uint64_t)t.tv_sec * 1000 * 1000 * 1000);
153}
154
155void Context::timerReset()
156{
157    for (int ct=0; ct < _RS_TIMER_TOTAL; ct++) {
158        mTimers[ct] = 0;
159    }
160}
161
162void Context::timerInit()
163{
164    mTimeLast = getTime();
165    mTimeFrame = mTimeLast;
166    mTimeLastFrame = mTimeLast;
167    mTimerActive = RS_TIMER_INTERNAL;
168    timerReset();
169}
170
171void Context::timerFrame()
172{
173    mTimeLastFrame = mTimeFrame;
174    mTimeFrame = getTime();
175}
176
177void Context::timerSet(Timers tm)
178{
179    uint64_t last = mTimeLast;
180    mTimeLast = getTime();
181    mTimers[mTimerActive] += mTimeLast - last;
182    mTimerActive = tm;
183}
184
185void Context::timerPrint()
186{
187    double total = 0;
188    for (int ct = 0; ct < _RS_TIMER_TOTAL; ct++) {
189        total += mTimers[ct];
190    }
191    uint64_t frame = mTimeFrame - mTimeLastFrame;
192
193    LOGV("RS: Frame (%lli),   Script %2.1f (%lli),  Clear & Swap %2.1f (%lli),  Idle %2.1f (%lli),  Internal %2.1f (%lli)",
194         frame / 1000000,
195         100.0 * mTimers[RS_TIMER_SCRIPT] / total, mTimers[RS_TIMER_SCRIPT] / 1000000,
196         100.0 * mTimers[RS_TIMER_CLEAR_SWAP] / total, mTimers[RS_TIMER_CLEAR_SWAP] / 1000000,
197         100.0 * mTimers[RS_TIMER_IDLE] / total, mTimers[RS_TIMER_IDLE] / 1000000,
198         100.0 * mTimers[RS_TIMER_INTERNAL] / total, mTimers[RS_TIMER_INTERNAL] / 1000000);
199}
200
201void Context::setupCheck()
202{
203    mFragmentStore->setupGL(this, &mStateFragmentStore);
204    mFragment->setupGL(this, &mStateFragment);
205    mRaster->setupGL(this, &mStateRaster);
206    mVertex->setupGL(this, &mStateVertex);
207}
208
209static bool getProp(const char *str)
210{
211    char buf[PROPERTY_VALUE_MAX];
212    property_get(str, buf, "0");
213    return 0 != strcmp(buf, "0");
214}
215
216void * Context::threadProc(void *vrsc)
217{
218     Context *rsc = static_cast<Context *>(vrsc);
219
220     rsc->props.mLogTimes = getProp("debug.rs.profile");
221     rsc->props.mLogScripts = getProp("debug.rs.script");
222     rsc->props.mLogObjects = getProp("debug.rs.objects");
223
224     rsc->initEGL();
225
226     ScriptTLSStruct *tlsStruct = new ScriptTLSStruct;
227     if (!tlsStruct) {
228         LOGE("Error allocating tls storage");
229         return NULL;
230     }
231     tlsStruct->mContext = rsc;
232     tlsStruct->mScript = NULL;
233     int status = pthread_setspecific(rsc->gThreadTLSKey, tlsStruct);
234     if (status) {
235         LOGE("pthread_setspecific %i", status);
236     }
237
238     rsc->mStateRaster.init(rsc, rsc->mEGL.mWidth, rsc->mEGL.mHeight);
239     rsc->setRaster(NULL);
240     rsc->mStateVertex.init(rsc, rsc->mEGL.mWidth, rsc->mEGL.mHeight);
241     rsc->setVertex(NULL);
242     rsc->mStateFragment.init(rsc, rsc->mEGL.mWidth, rsc->mEGL.mHeight);
243     rsc->setFragment(NULL);
244     rsc->mStateFragmentStore.init(rsc, rsc->mEGL.mWidth, rsc->mEGL.mHeight);
245     rsc->setFragmentStore(NULL);
246
247     rsc->mRunning = true;
248     bool mDraw = true;
249     while (!rsc->mExit) {
250         mDraw |= rsc->mIO.playCoreCommands(rsc, !mDraw);
251         mDraw &= (rsc->mRootScript.get() != NULL);
252
253         if (mDraw) {
254             mDraw = rsc->runRootScript() && !rsc->mPaused;
255             if (rsc->props.mLogTimes) {
256                 rsc->timerSet(RS_TIMER_CLEAR_SWAP);
257             }
258             eglSwapBuffers(rsc->mEGL.mDisplay, rsc->mEGL.mSurface);
259             if (rsc->props.mLogTimes) {
260                 rsc->timerFrame();
261                 rsc->timerSet(RS_TIMER_INTERNAL);
262                 rsc->timerPrint();
263                 rsc->timerReset();
264             }
265         }
266         if (rsc->mObjDestroy.mNeedToEmpty) {
267             rsc->objDestroyOOBRun();
268         }
269     }
270
271     LOGV("RS Thread exiting");
272     rsc->mRaster.clear();
273     rsc->mFragment.clear();
274     rsc->mVertex.clear();
275     rsc->mFragmentStore.clear();
276     rsc->mRootScript.clear();
277     rsc->mStateRaster.deinit(rsc);
278     rsc->mStateVertex.deinit(rsc);
279     rsc->mStateFragment.deinit(rsc);
280     rsc->mStateFragmentStore.deinit(rsc);
281     ObjectBase::zeroAllUserRef(rsc);
282
283     glClearColor(0,0,0,0);
284     glClear(GL_COLOR_BUFFER_BIT);
285     eglSwapBuffers(rsc->mEGL.mDisplay, rsc->mEGL.mSurface);
286     eglTerminate(rsc->mEGL.mDisplay);
287     rsc->objDestroyOOBRun();
288     LOGV("RS Thread exited");
289     return NULL;
290}
291
292Context::Context(Device *dev, Surface *sur, bool useDepth)
293{
294    dev->addContext(this);
295    mDev = dev;
296    mRunning = false;
297    mExit = false;
298    mUseDepth = useDepth;
299    mPaused = false;
300    mObjHead = NULL;
301
302    int status;
303    pthread_attr_t threadAttr;
304
305    status = pthread_key_create(&gThreadTLSKey, NULL);
306    if (status) {
307        LOGE("Failed to init thread tls key.");
308        return;
309    }
310
311    status = pthread_attr_init(&threadAttr);
312    if (status) {
313        LOGE("Failed to init thread attribute.");
314        return;
315    }
316
317    sched_param sparam;
318    sparam.sched_priority = ANDROID_PRIORITY_DISPLAY;
319    pthread_attr_setschedparam(&threadAttr, &sparam);
320
321    mWndSurface = sur;
322
323    objDestroyOOBInit();
324    timerInit();
325    timerSet(RS_TIMER_INTERNAL);
326
327    LOGV("RS Launching thread");
328    status = pthread_create(&mThreadId, &threadAttr, threadProc, this);
329    if (status) {
330        LOGE("Failed to start rs context thread.");
331    }
332
333    while(!mRunning) {
334        usleep(100);
335    }
336
337    pthread_attr_destroy(&threadAttr);
338}
339
340Context::~Context()
341{
342    LOGV("Context::~Context");
343    mExit = true;
344    mPaused = false;
345    void *res;
346
347    mIO.shutdown();
348    int status = pthread_join(mThreadId, &res);
349    objDestroyOOBRun();
350
351    if (mDev) {
352        mDev->removeContext(this);
353        pthread_key_delete(gThreadTLSKey);
354    }
355
356    objDestroyOOBDestroy();
357}
358
359void Context::pause()
360{
361    mPaused = true;
362}
363
364void Context::resume()
365{
366    mPaused = false;
367}
368
369void Context::setRootScript(Script *s)
370{
371    mRootScript.set(s);
372}
373
374void Context::setFragmentStore(ProgramFragmentStore *pfs)
375{
376    if (pfs == NULL) {
377        mFragmentStore.set(mStateFragmentStore.mDefault);
378    } else {
379        mFragmentStore.set(pfs);
380    }
381}
382
383void Context::setFragment(ProgramFragment *pf)
384{
385    if (pf == NULL) {
386        mFragment.set(mStateFragment.mDefault);
387    } else {
388        mFragment.set(pf);
389    }
390}
391
392void Context::setRaster(ProgramRaster *pr)
393{
394    if (pr == NULL) {
395        mRaster.set(mStateRaster.mDefault);
396    } else {
397        mRaster.set(pr);
398    }
399}
400
401void Context::allocationCheck(const Allocation *a)
402{
403    mVertex->checkUpdatedAllocation(a);
404    mFragment->checkUpdatedAllocation(a);
405    mFragmentStore->checkUpdatedAllocation(a);
406}
407
408void Context::setVertex(ProgramVertex *pv)
409{
410    if (pv == NULL) {
411        mVertex.set(mStateVertex.mDefault);
412    } else {
413        mVertex.set(pv);
414    }
415}
416
417void Context::assignName(ObjectBase *obj, const char *name, uint32_t len)
418{
419    rsAssert(!obj->getName());
420    obj->setName(name, len);
421    mNames.add(obj);
422}
423
424void Context::removeName(ObjectBase *obj)
425{
426    for(size_t ct=0; ct < mNames.size(); ct++) {
427        if (obj == mNames[ct]) {
428            mNames.removeAt(ct);
429            return;
430        }
431    }
432}
433
434ObjectBase * Context::lookupName(const char *name) const
435{
436    for(size_t ct=0; ct < mNames.size(); ct++) {
437        if (!strcmp(name, mNames[ct]->getName())) {
438            return mNames[ct];
439        }
440    }
441    return NULL;
442}
443
444void Context::appendNameDefines(String8 *str) const
445{
446    char buf[256];
447    for (size_t ct=0; ct < mNames.size(); ct++) {
448        str->append("#define NAMED_");
449        str->append(mNames[ct]->getName());
450        str->append(" ");
451        sprintf(buf, "%i\n", (int)mNames[ct]);
452        str->append(buf);
453    }
454}
455
456void Context::appendVarDefines(String8 *str) const
457{
458    char buf[256];
459    for (size_t ct=0; ct < mInt32Defines.size(); ct++) {
460        str->append("#define ");
461        str->append(mInt32Defines.keyAt(ct));
462        str->append(" ");
463        sprintf(buf, "%i\n", (int)mInt32Defines.valueAt(ct));
464        str->append(buf);
465
466    }
467    for (size_t ct=0; ct < mFloatDefines.size(); ct++) {
468        str->append("#define ");
469        str->append(mFloatDefines.keyAt(ct));
470        str->append(" ");
471        sprintf(buf, "%ff\n", mFloatDefines.valueAt(ct));
472        str->append(buf);
473    }
474}
475
476bool Context::objDestroyOOBInit()
477{
478    int status = pthread_mutex_init(&mObjDestroy.mMutex, NULL);
479    if (status) {
480        LOGE("Context::ObjDestroyOOBInit mutex init failure");
481        return false;
482    }
483    return true;
484}
485
486void Context::objDestroyOOBRun()
487{
488    if (mObjDestroy.mNeedToEmpty) {
489        int status = pthread_mutex_lock(&mObjDestroy.mMutex);
490        if (status) {
491            LOGE("Context::ObjDestroyOOBRun: error %i locking for OOBRun.", status);
492            return;
493        }
494
495        for (size_t ct = 0; ct < mObjDestroy.mDestroyList.size(); ct++) {
496            mObjDestroy.mDestroyList[ct]->decUserRef();
497        }
498        mObjDestroy.mDestroyList.clear();
499        mObjDestroy.mNeedToEmpty = false;
500
501        status = pthread_mutex_unlock(&mObjDestroy.mMutex);
502        if (status) {
503            LOGE("Context::ObjDestroyOOBRun: error %i unlocking for set condition.", status);
504        }
505    }
506}
507
508void Context::objDestroyOOBDestroy()
509{
510    rsAssert(!mObjDestroy.mNeedToEmpty);
511    pthread_mutex_destroy(&mObjDestroy.mMutex);
512}
513
514void Context::objDestroyAdd(ObjectBase *obj)
515{
516    int status = pthread_mutex_lock(&mObjDestroy.mMutex);
517    if (status) {
518        LOGE("Context::ObjDestroyOOBRun: error %i locking for OOBRun.", status);
519        return;
520    }
521
522    mObjDestroy.mNeedToEmpty = true;
523    mObjDestroy.mDestroyList.add(obj);
524
525    status = pthread_mutex_unlock(&mObjDestroy.mMutex);
526    if (status) {
527        LOGE("Context::ObjDestroyOOBRun: error %i unlocking for set condition.", status);
528    }
529}
530
531
532
533///////////////////////////////////////////////////////////////////////////////////////////
534//
535
536namespace android {
537namespace renderscript {
538
539
540void rsi_ContextBindRootScript(Context *rsc, RsScript vs)
541{
542    Script *s = static_cast<Script *>(vs);
543    rsc->setRootScript(s);
544}
545
546void rsi_ContextBindSampler(Context *rsc, uint32_t slot, RsSampler vs)
547{
548    Sampler *s = static_cast<Sampler *>(vs);
549
550    if (slot > RS_MAX_SAMPLER_SLOT) {
551        LOGE("Invalid sampler slot");
552        return;
553    }
554
555    s->bindToContext(&rsc->mStateSampler, slot);
556}
557
558void rsi_ContextBindProgramFragmentStore(Context *rsc, RsProgramFragmentStore vpfs)
559{
560    ProgramFragmentStore *pfs = static_cast<ProgramFragmentStore *>(vpfs);
561    rsc->setFragmentStore(pfs);
562}
563
564void rsi_ContextBindProgramFragment(Context *rsc, RsProgramFragment vpf)
565{
566    ProgramFragment *pf = static_cast<ProgramFragment *>(vpf);
567    rsc->setFragment(pf);
568}
569
570void rsi_ContextBindProgramRaster(Context *rsc, RsProgramRaster vpr)
571{
572    ProgramRaster *pr = static_cast<ProgramRaster *>(vpr);
573    rsc->setRaster(pr);
574}
575
576void rsi_ContextBindProgramVertex(Context *rsc, RsProgramVertex vpv)
577{
578    ProgramVertex *pv = static_cast<ProgramVertex *>(vpv);
579    rsc->setVertex(pv);
580}
581
582void rsi_AssignName(Context *rsc, void * obj, const char *name, uint32_t len)
583{
584    ObjectBase *ob = static_cast<ObjectBase *>(obj);
585    rsc->assignName(ob, name, len);
586}
587
588void rsi_ObjDestroy(Context *rsc, void *obj)
589{
590    ObjectBase *ob = static_cast<ObjectBase *>(obj);
591    rsc->removeName(ob);
592    ob->decUserRef();
593}
594
595void rsi_ContextSetDefineF(Context *rsc, const char* name, float value)
596{
597    rsc->addInt32Define(name, value);
598}
599
600void rsi_ContextSetDefineI32(Context *rsc, const char* name, int32_t value)
601{
602    rsc->addFloatDefine(name, value);
603}
604
605void rsi_ContextPause(Context *rsc)
606{
607    rsc->pause();
608}
609
610void rsi_ContextResume(Context *rsc)
611{
612    rsc->resume();
613}
614
615}
616}
617
618
619RsContext rsContextCreate(RsDevice vdev, void *sur, uint32_t version, bool useDepth)
620{
621    Device * dev = static_cast<Device *>(vdev);
622    Context *rsc = new Context(dev, (Surface *)sur, useDepth);
623    return rsc;
624}
625
626void rsContextDestroy(RsContext vrsc)
627{
628    Context * rsc = static_cast<Context *>(vrsc);
629    delete rsc;
630}
631
632void rsObjDestroyOOB(RsContext vrsc, void *obj)
633{
634    Context * rsc = static_cast<Context *>(vrsc);
635    rsc->objDestroyAdd(static_cast<ObjectBase *>(obj));
636}
637
638