rsContext.cpp revision 741aac95b777b2e6cb90f484a05e489a79a6ef05 
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/PixelFormat.h>
22#include <ui/EGLUtils.h>
23#include <ui/egl/android_natives.h>
24
25#include <sys/types.h>
26#include <sys/resource.h>
27#include <sched.h>
28
29#include <cutils/properties.h>
30
31#include <GLES/gl.h>
32#include <GLES/glext.h>
33#include <GLES2/gl2.h>
34#include <GLES2/gl2ext.h>
35
36#include <cutils/sched_policy.h>
37#include <sys/syscall.h>
38#include <string.h>
39
40using namespace android;
41using namespace android::renderscript;
42
43pthread_key_t Context::gThreadTLSKey = 0;
44uint32_t Context::gThreadTLSKeyCount = 0;
45uint32_t Context::gGLContextCount = 0;
46pthread_mutex_t Context::gInitMutex = PTHREAD_MUTEX_INITIALIZER;
47
48static void checkEglError(const char* op, EGLBoolean returnVal = EGL_TRUE) {
49    if (returnVal != EGL_TRUE) {
50        fprintf(stderr, "%s() returned %d\n", op, returnVal);
51    }
52
53    for (EGLint error = eglGetError(); error != EGL_SUCCESS; error
54            = eglGetError()) {
55        fprintf(stderr, "after %s() eglError %s (0x%x)\n", op, EGLUtils::strerror(error),
56                error);
57    }
58}
59
60void printEGLConfiguration(EGLDisplay dpy, EGLConfig config) {
61
62#define X(VAL) {VAL, #VAL}
63    struct {EGLint attribute; const char* name;} names[] = {
64    X(EGL_BUFFER_SIZE),
65    X(EGL_ALPHA_SIZE),
66    X(EGL_BLUE_SIZE),
67    X(EGL_GREEN_SIZE),
68    X(EGL_RED_SIZE),
69    X(EGL_DEPTH_SIZE),
70    X(EGL_STENCIL_SIZE),
71    X(EGL_CONFIG_CAVEAT),
72    X(EGL_CONFIG_ID),
73    X(EGL_LEVEL),
74    X(EGL_MAX_PBUFFER_HEIGHT),
75    X(EGL_MAX_PBUFFER_PIXELS),
76    X(EGL_MAX_PBUFFER_WIDTH),
77    X(EGL_NATIVE_RENDERABLE),
78    X(EGL_NATIVE_VISUAL_ID),
79    X(EGL_NATIVE_VISUAL_TYPE),
80    X(EGL_SAMPLES),
81    X(EGL_SAMPLE_BUFFERS),
82    X(EGL_SURFACE_TYPE),
83    X(EGL_TRANSPARENT_TYPE),
84    X(EGL_TRANSPARENT_RED_VALUE),
85    X(EGL_TRANSPARENT_GREEN_VALUE),
86    X(EGL_TRANSPARENT_BLUE_VALUE),
87    X(EGL_BIND_TO_TEXTURE_RGB),
88    X(EGL_BIND_TO_TEXTURE_RGBA),
89    X(EGL_MIN_SWAP_INTERVAL),
90    X(EGL_MAX_SWAP_INTERVAL),
91    X(EGL_LUMINANCE_SIZE),
92    X(EGL_ALPHA_MASK_SIZE),
93    X(EGL_COLOR_BUFFER_TYPE),
94    X(EGL_RENDERABLE_TYPE),
95    X(EGL_CONFORMANT),
96   };
97#undef X
98
99    for (size_t j = 0; j < sizeof(names) / sizeof(names[0]); j++) {
100        EGLint value = -1;
101        EGLint returnVal = eglGetConfigAttrib(dpy, config, names[j].attribute, &value);
102        EGLint error = eglGetError();
103        if (returnVal && error == EGL_SUCCESS) {
104            LOGV(" %s: %d (0x%x)", names[j].name, value, value);
105        }
106    }
107}
108
109
110bool Context::initGLThread() {
111    pthread_mutex_lock(&gInitMutex);
112    LOGV("initGLThread start %p", this);
113
114    mEGL.mNumConfigs = -1;
115    EGLint configAttribs[128];
116    EGLint *configAttribsPtr = configAttribs;
117    EGLint context_attribs2[] = { EGL_CONTEXT_CLIENT_VERSION, 2, EGL_NONE };
118
119    memset(configAttribs, 0, sizeof(configAttribs));
120
121    configAttribsPtr[0] = EGL_SURFACE_TYPE;
122    configAttribsPtr[1] = EGL_WINDOW_BIT;
123    configAttribsPtr += 2;
124
125    configAttribsPtr[0] = EGL_RENDERABLE_TYPE;
126    configAttribsPtr[1] = EGL_OPENGL_ES2_BIT;
127    configAttribsPtr += 2;
128
129    if (mUserSurfaceConfig.depthMin > 0) {
130        configAttribsPtr[0] = EGL_DEPTH_SIZE;
131        configAttribsPtr[1] = mUserSurfaceConfig.depthMin;
132        configAttribsPtr += 2;
133    }
134
135    if (mDev->mForceSW) {
136        configAttribsPtr[0] = EGL_CONFIG_CAVEAT;
137        configAttribsPtr[1] = EGL_SLOW_CONFIG;
138        configAttribsPtr += 2;
139    }
140
141    configAttribsPtr[0] = EGL_NONE;
142    rsAssert(configAttribsPtr < (configAttribs + (sizeof(configAttribs) / sizeof(EGLint))));
143
144    LOGV("%p initEGL start", this);
145    mEGL.mDisplay = eglGetDisplay(EGL_DEFAULT_DISPLAY);
146    checkEglError("eglGetDisplay");
147
148    eglInitialize(mEGL.mDisplay, &mEGL.mMajorVersion, &mEGL.mMinorVersion);
149    checkEglError("eglInitialize");
150
151#if 1
152    PixelFormat pf = PIXEL_FORMAT_RGBA_8888;
153    if (mUserSurfaceConfig.alphaMin == 0) {
154        pf = PIXEL_FORMAT_RGBX_8888;
155    }
156
157    status_t err = EGLUtils::selectConfigForPixelFormat(mEGL.mDisplay, configAttribs, pf, &mEGL.mConfig);
158    if (err) {
159       LOGE("%p, couldn't find an EGLConfig matching the screen format\n", this);
160    }
161    if (props.mLogVisual) {
162        printEGLConfiguration(mEGL.mDisplay, mEGL.mConfig);
163    }
164#else
165    eglChooseConfig(mEGL.mDisplay, configAttribs, &mEGL.mConfig, 1, &mEGL.mNumConfigs);
166#endif
167
168    mEGL.mContext = eglCreateContext(mEGL.mDisplay, mEGL.mConfig, EGL_NO_CONTEXT, context_attribs2);
169    checkEglError("eglCreateContext");
170    if (mEGL.mContext == EGL_NO_CONTEXT) {
171        pthread_mutex_unlock(&gInitMutex);
172        LOGE("%p, eglCreateContext returned EGL_NO_CONTEXT", this);
173        return false;
174    }
175    gGLContextCount++;
176
177
178    EGLint pbuffer_attribs[] = { EGL_WIDTH, 1, EGL_HEIGHT, 1, EGL_NONE };
179    mEGL.mSurfaceDefault = eglCreatePbufferSurface(mEGL.mDisplay, mEGL.mConfig, pbuffer_attribs);
180    checkEglError("eglCreatePbufferSurface");
181    if (mEGL.mSurfaceDefault == EGL_NO_SURFACE) {
182        LOGE("eglCreatePbufferSurface returned EGL_NO_SURFACE");
183        pthread_mutex_unlock(&gInitMutex);
184        deinitEGL();
185        return false;
186    }
187
188    EGLBoolean ret = eglMakeCurrent(mEGL.mDisplay, mEGL.mSurfaceDefault, mEGL.mSurfaceDefault, mEGL.mContext);
189    if (ret == EGL_FALSE) {
190        LOGE("eglMakeCurrent returned EGL_FALSE");
191        checkEglError("eglMakeCurrent", ret);
192        pthread_mutex_unlock(&gInitMutex);
193        deinitEGL();
194        return false;
195    }
196
197    mGL.mVersion = glGetString(GL_VERSION);
198    mGL.mVendor = glGetString(GL_VENDOR);
199    mGL.mRenderer = glGetString(GL_RENDERER);
200    mGL.mExtensions = glGetString(GL_EXTENSIONS);
201
202    //LOGV("EGL Version %i %i", mEGL.mMajorVersion, mEGL.mMinorVersion);
203    LOGV("GL Version %s", mGL.mVersion);
204    //LOGV("GL Vendor %s", mGL.mVendor);
205    LOGV("GL Renderer %s", mGL.mRenderer);
206    //LOGV("GL Extensions %s", mGL.mExtensions);
207
208    const char *verptr = NULL;
209    if (strlen((const char *)mGL.mVersion) > 9) {
210        if (!memcmp(mGL.mVersion, "OpenGL ES-CM", 12)) {
211            verptr = (const char *)mGL.mVersion + 12;
212        }
213        if (!memcmp(mGL.mVersion, "OpenGL ES ", 10)) {
214            verptr = (const char *)mGL.mVersion + 9;
215        }
216    }
217
218    if (!verptr) {
219        LOGE("Error, OpenGL ES Lite not supported");
220        pthread_mutex_unlock(&gInitMutex);
221        deinitEGL();
222        return false;
223    } else {
224        sscanf(verptr, " %i.%i", &mGL.mMajorVersion, &mGL.mMinorVersion);
225    }
226
227    glGetIntegerv(GL_MAX_VERTEX_ATTRIBS, &mGL.mMaxVertexAttribs);
228    glGetIntegerv(GL_MAX_VERTEX_UNIFORM_VECTORS, &mGL.mMaxVertexUniformVectors);
229    glGetIntegerv(GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS, &mGL.mMaxVertexTextureUnits);
230
231    glGetIntegerv(GL_MAX_VARYING_VECTORS, &mGL.mMaxVaryingVectors);
232    glGetIntegerv(GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS, &mGL.mMaxTextureImageUnits);
233
234    glGetIntegerv(GL_MAX_TEXTURE_IMAGE_UNITS, &mGL.mMaxFragmentTextureImageUnits);
235    glGetIntegerv(GL_MAX_FRAGMENT_UNIFORM_VECTORS, &mGL.mMaxFragmentUniformVectors);
236
237    mGL.OES_texture_npot = NULL != strstr((const char *)mGL.mExtensions, "GL_OES_texture_npot");
238    mGL.GL_NV_texture_npot_2D_mipmap = NULL != strstr((const char *)mGL.mExtensions, "GL_NV_texture_npot_2D_mipmap");
239    mGL.EXT_texture_max_aniso = 1.0f;
240    bool hasAniso = NULL != strstr((const char *)mGL.mExtensions, "GL_EXT_texture_filter_anisotropic");
241    if (hasAniso) {
242        glGetFloatv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &mGL.EXT_texture_max_aniso);
243    }
244
245    LOGV("initGLThread end %p", this);
246    pthread_mutex_unlock(&gInitMutex);
247    return true;
248}
249
250void Context::deinitEGL() {
251    LOGV("%p, deinitEGL", this);
252
253    if (mEGL.mContext != EGL_NO_CONTEXT) {
254        eglMakeCurrent(mEGL.mDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, mEGL.mContext);
255        eglDestroyContext(mEGL.mDisplay, mEGL.mContext);
256        checkEglError("eglDestroyContext");
257    }
258
259    gGLContextCount--;
260    if (!gGLContextCount) {
261        eglTerminate(mEGL.mDisplay);
262    }
263}
264
265Context::PushState::PushState(Context *con) {
266    mRsc = con;
267    mFragment.set(con->getProgramFragment());
268    mVertex.set(con->getProgramVertex());
269    mStore.set(con->getProgramStore());
270    mRaster.set(con->getProgramRaster());
271    mFont.set(con->getFont());
272}
273
274Context::PushState::~PushState() {
275    mRsc->setProgramFragment(mFragment.get());
276    mRsc->setProgramVertex(mVertex.get());
277    mRsc->setProgramStore(mStore.get());
278    mRsc->setProgramRaster(mRaster.get());
279    mRsc->setFont(mFont.get());
280}
281
282
283uint32_t Context::runScript(Script *s) {
284    PushState(this);
285
286    uint32_t ret = s->run(this);
287    return ret;
288}
289
290void Context::checkError(const char *msg, bool isFatal) const {
291
292    GLenum err = glGetError();
293    if (err != GL_NO_ERROR) {
294        char buf[1024];
295        snprintf(buf, sizeof(buf), "GL Error = 0x%08x, from: %s", err, msg);
296
297        if (isFatal) {
298            setError(RS_ERROR_FATAL_DRIVER, buf);
299        } else {
300            switch (err) {
301            case GL_OUT_OF_MEMORY:
302                setError(RS_ERROR_OUT_OF_MEMORY, buf);
303                break;
304            default:
305                setError(RS_ERROR_DRIVER, buf);
306                break;
307            }
308        }
309
310        LOGE("%p, %s", this, buf);
311    }
312}
313
314uint32_t Context::runRootScript() {
315    glViewport(0, 0, mWidth, mHeight);
316
317    timerSet(RS_TIMER_SCRIPT);
318    mStateFragmentStore.mLast.clear();
319    uint32_t ret = runScript(mRootScript.get());
320
321    checkError("runRootScript");
322    return ret;
323}
324
325uint64_t Context::getTime() const {
326    struct timespec t;
327    clock_gettime(CLOCK_MONOTONIC, &t);
328    return t.tv_nsec + ((uint64_t)t.tv_sec * 1000 * 1000 * 1000);
329}
330
331void Context::timerReset() {
332    for (int ct=0; ct < _RS_TIMER_TOTAL; ct++) {
333        mTimers[ct] = 0;
334    }
335}
336
337void Context::timerInit() {
338    mTimeLast = getTime();
339    mTimeFrame = mTimeLast;
340    mTimeLastFrame = mTimeLast;
341    mTimerActive = RS_TIMER_INTERNAL;
342    mAverageFPSFrameCount = 0;
343    mAverageFPSStartTime = mTimeLast;
344    mAverageFPS = 0;
345    timerReset();
346}
347
348void Context::timerFrame() {
349    mTimeLastFrame = mTimeFrame;
350    mTimeFrame = getTime();
351    // Update average fps
352    const uint64_t averageFramerateInterval = 1000 * 1000000;
353    mAverageFPSFrameCount ++;
354    uint64_t inverval = mTimeFrame - mAverageFPSStartTime;
355    if (inverval >= averageFramerateInterval) {
356        inverval = inverval / 1000000;
357        mAverageFPS = (mAverageFPSFrameCount * 1000) / inverval;
358        mAverageFPSFrameCount = 0;
359        mAverageFPSStartTime = mTimeFrame;
360    }
361}
362
363void Context::timerSet(Timers tm) {
364    uint64_t last = mTimeLast;
365    mTimeLast = getTime();
366    mTimers[mTimerActive] += mTimeLast - last;
367    mTimerActive = tm;
368}
369
370void Context::timerPrint() {
371    double total = 0;
372    for (int ct = 0; ct < _RS_TIMER_TOTAL; ct++) {
373        total += mTimers[ct];
374    }
375    uint64_t frame = mTimeFrame - mTimeLastFrame;
376    mTimeMSLastFrame = frame / 1000000;
377    mTimeMSLastScript = mTimers[RS_TIMER_SCRIPT] / 1000000;
378    mTimeMSLastSwap = mTimers[RS_TIMER_CLEAR_SWAP] / 1000000;
379
380
381    if (props.mLogTimes) {
382        LOGV("RS: Frame (%i),   Script %2.1f%% (%i),  Swap %2.1f%% (%i),  Idle %2.1f%% (%lli),  Internal %2.1f%% (%lli), Avg fps: %u",
383             mTimeMSLastFrame,
384             100.0 * mTimers[RS_TIMER_SCRIPT] / total, mTimeMSLastScript,
385             100.0 * mTimers[RS_TIMER_CLEAR_SWAP] / total, mTimeMSLastSwap,
386             100.0 * mTimers[RS_TIMER_IDLE] / total, mTimers[RS_TIMER_IDLE] / 1000000,
387             100.0 * mTimers[RS_TIMER_INTERNAL] / total, mTimers[RS_TIMER_INTERNAL] / 1000000,
388             mAverageFPS);
389    }
390}
391
392bool Context::setupCheck() {
393    if (!mShaderCache.lookup(this, mVertex.get(), mFragment.get())) {
394        LOGE("Context::setupCheck() 1 fail");
395        return false;
396    }
397
398    mFragmentStore->setupGL2(this, &mStateFragmentStore);
399    mFragment->setupGL2(this, &mStateFragment, &mShaderCache);
400    mRaster->setupGL2(this, &mStateRaster);
401    mVertex->setupGL2(this, &mStateVertex, &mShaderCache);
402    return true;
403}
404
405void Context::setupProgramStore() {
406    mFragmentStore->setupGL2(this, &mStateFragmentStore);
407}
408
409static bool getProp(const char *str) {
410    char buf[PROPERTY_VALUE_MAX];
411    property_get(str, buf, "0");
412    return 0 != strcmp(buf, "0");
413}
414
415void Context::displayDebugStats() {
416    char buffer[128];
417    sprintf(buffer, "Avg fps %u, Frame %i ms, Script %i ms", mAverageFPS, mTimeMSLastFrame, mTimeMSLastScript);
418    float oldR, oldG, oldB, oldA;
419    mStateFont.getFontColor(&oldR, &oldG, &oldB, &oldA);
420    uint32_t bufferLen = strlen(buffer);
421
422    float shadowCol = 0.1f;
423    mStateFont.setFontColor(shadowCol, shadowCol, shadowCol, 1.0f);
424    mStateFont.renderText(buffer, bufferLen, 5, getHeight() - 6);
425
426    mStateFont.setFontColor(1.0f, 0.7f, 0.0f, 1.0f);
427    mStateFont.renderText(buffer, bufferLen, 4, getHeight() - 7);
428
429    mStateFont.setFontColor(oldR, oldG, oldB, oldA);
430}
431
432void * Context::threadProc(void *vrsc) {
433     Context *rsc = static_cast<Context *>(vrsc);
434     rsc->mNativeThreadId = gettid();
435
436     setpriority(PRIO_PROCESS, rsc->mNativeThreadId, ANDROID_PRIORITY_DISPLAY);
437     rsc->mThreadPriority = ANDROID_PRIORITY_DISPLAY;
438
439     rsc->props.mLogTimes = getProp("debug.rs.profile");
440     rsc->props.mLogScripts = getProp("debug.rs.script");
441     rsc->props.mLogObjects = getProp("debug.rs.object");
442     rsc->props.mLogShaders = getProp("debug.rs.shader");
443     rsc->props.mLogShadersAttr = getProp("debug.rs.shader.attributes");
444     rsc->props.mLogShadersUniforms = getProp("debug.rs.shader.uniforms");
445     rsc->props.mLogVisual = getProp("debug.rs.visual");
446
447     rsc->mTlsStruct = new ScriptTLSStruct;
448     if (!rsc->mTlsStruct) {
449         LOGE("Error allocating tls storage");
450         rsc->setError(RS_ERROR_OUT_OF_MEMORY, "Failed allocation for TLS");
451         return NULL;
452     }
453     rsc->mTlsStruct->mContext = rsc;
454     rsc->mTlsStruct->mScript = NULL;
455     int status = pthread_setspecific(rsc->gThreadTLSKey, rsc->mTlsStruct);
456     if (status) {
457         LOGE("pthread_setspecific %i", status);
458     }
459
460     if (!rsc->initGLThread()) {
461         rsc->setError(RS_ERROR_OUT_OF_MEMORY, "Failed initializing GL");
462         return NULL;
463     }
464
465     rsc->mScriptC.init(rsc);
466     if (rsc->mIsGraphicsContext) {
467         rsc->mStateRaster.init(rsc);
468         rsc->setProgramRaster(NULL);
469         rsc->mStateVertex.init(rsc);
470         rsc->setProgramVertex(NULL);
471         rsc->mStateFragment.init(rsc);
472         rsc->setProgramFragment(NULL);
473         rsc->mStateFragmentStore.init(rsc);
474         rsc->setProgramStore(NULL);
475         rsc->mStateFont.init(rsc);
476         rsc->setFont(NULL);
477         rsc->mStateVertexArray.init(rsc);
478     }
479
480     rsc->mRunning = true;
481     bool mDraw = true;
482     while (!rsc->mExit) {
483         mDraw |= rsc->mIO.playCoreCommands(rsc, !mDraw);
484         mDraw &= (rsc->mRootScript.get() != NULL);
485         mDraw &= (rsc->mWndSurface != NULL);
486
487         uint32_t targetTime = 0;
488         if (mDraw && rsc->mIsGraphicsContext) {
489             targetTime = rsc->runRootScript();
490
491             if (rsc->props.mLogVisual) {
492                 rsc->displayDebugStats();
493             }
494
495             mDraw = targetTime && !rsc->mPaused;
496             rsc->timerSet(RS_TIMER_CLEAR_SWAP);
497             eglSwapBuffers(rsc->mEGL.mDisplay, rsc->mEGL.mSurface);
498             rsc->timerFrame();
499             rsc->timerSet(RS_TIMER_INTERNAL);
500             rsc->timerPrint();
501             rsc->timerReset();
502         }
503         if (targetTime > 1) {
504             int32_t t = (targetTime - (int32_t)(rsc->mTimeMSLastScript + rsc->mTimeMSLastSwap)) * 1000;
505             if (t > 0) {
506                 usleep(t);
507             }
508         }
509     }
510
511     LOGV("%p, RS Thread exiting", rsc);
512
513     if (rsc->mIsGraphicsContext) {
514         pthread_mutex_lock(&gInitMutex);
515         rsc->deinitEGL();
516         pthread_mutex_unlock(&gInitMutex);
517     }
518     delete rsc->mTlsStruct;
519
520     LOGV("%p, RS Thread exited", rsc);
521     return NULL;
522}
523
524void Context::destroyWorkerThreadResources() {
525    LOGV("destroyWorkerThreadResources 1");
526    if (mIsGraphicsContext) {
527         mRaster.clear();
528         mFragment.clear();
529         mVertex.clear();
530         mFragmentStore.clear();
531         mFont.clear();
532         mRootScript.clear();
533         mStateRaster.deinit(this);
534         mStateVertex.deinit(this);
535         mStateFragment.deinit(this);
536         mStateFragmentStore.deinit(this);
537         mStateFont.deinit(this);
538    }
539    ObjectBase::zeroAllUserRef(this);
540    LOGV("destroyWorkerThreadResources 2");
541}
542
543void * Context::helperThreadProc(void *vrsc) {
544     Context *rsc = static_cast<Context *>(vrsc);
545     uint32_t idx = (uint32_t)android_atomic_inc(&rsc->mWorkers.mLaunchCount);
546
547     LOGV("RS helperThread starting %p idx=%i", rsc, idx);
548
549     rsc->mWorkers.mLaunchSignals[idx].init();
550     rsc->mWorkers.mNativeThreadId[idx] = gettid();
551
552#if 0
553     typedef struct {uint64_t bits[1024 / 64]; } cpu_set_t;
554     cpu_set_t cpuset;
555     memset(&cpuset, 0, sizeof(cpuset));
556     cpuset.bits[idx / 64] |= 1ULL << (idx % 64);
557     int ret = syscall(241, rsc->mWorkers.mNativeThreadId[idx],
558               sizeof(cpuset), &cpuset);
559     LOGE("SETAFFINITY ret = %i %s", ret, EGLUtils::strerror(ret));
560#endif
561
562     setpriority(PRIO_PROCESS, rsc->mWorkers.mNativeThreadId[idx], rsc->mThreadPriority);
563     int status = pthread_setspecific(rsc->gThreadTLSKey, rsc->mTlsStruct);
564     if (status) {
565         LOGE("pthread_setspecific %i", status);
566     }
567
568     while (rsc->mRunning) {
569         rsc->mWorkers.mLaunchSignals[idx].wait();
570         if (rsc->mWorkers.mLaunchCallback) {
571            rsc->mWorkers.mLaunchCallback(rsc->mWorkers.mLaunchData, idx);
572         }
573         android_atomic_dec(&rsc->mWorkers.mRunningCount);
574         rsc->mWorkers.mCompleteSignal.set();
575     }
576
577     LOGV("RS helperThread exiting %p idx=%i", rsc, idx);
578     return NULL;
579}
580
581void Context::launchThreads(WorkerCallback_t cbk, void *data) {
582    mWorkers.mLaunchData = data;
583    mWorkers.mLaunchCallback = cbk;
584    mWorkers.mRunningCount = (int)mWorkers.mCount;
585    for (uint32_t ct = 0; ct < mWorkers.mCount; ct++) {
586        mWorkers.mLaunchSignals[ct].set();
587    }
588    while (mWorkers.mRunningCount) {
589        mWorkers.mCompleteSignal.wait();
590    }
591}
592
593void Context::setPriority(int32_t p) {
594    // Note: If we put this in the proper "background" policy
595    // the wallpapers can become completly unresponsive at times.
596    // This is probably not what we want for something the user is actively
597    // looking at.
598    mThreadPriority = p;
599#if 0
600    SchedPolicy pol = SP_FOREGROUND;
601    if (p > 0) {
602        pol = SP_BACKGROUND;
603    }
604    if (!set_sched_policy(mNativeThreadId, pol)) {
605        // success; reset the priority as well
606    }
607#else
608    setpriority(PRIO_PROCESS, mNativeThreadId, p);
609    for (uint32_t ct=0; ct < mWorkers.mCount; ct++) {
610        setpriority(PRIO_PROCESS, mWorkers.mNativeThreadId[ct], p);
611    }
612#endif
613}
614
615Context::Context() {
616    mDev = NULL;
617    mRunning = false;
618    mExit = false;
619    mPaused = false;
620    mObjHead = NULL;
621    mError = RS_ERROR_NONE;
622}
623
624Context * Context::createContext(Device *dev, const RsSurfaceConfig *sc) {
625    Context * rsc = new Context();
626    if (!rsc->initContext(dev, sc)) {
627        delete rsc;
628        return NULL;
629    }
630    return rsc;
631}
632
633bool Context::initContext(Device *dev, const RsSurfaceConfig *sc) {
634    pthread_mutex_lock(&gInitMutex);
635
636    dev->addContext(this);
637    mDev = dev;
638    if (sc) {
639        mUserSurfaceConfig = *sc;
640    } else {
641        memset(&mUserSurfaceConfig, 0, sizeof(mUserSurfaceConfig));
642    }
643
644    memset(&mEGL, 0, sizeof(mEGL));
645    memset(&mGL, 0, sizeof(mGL));
646    mIsGraphicsContext = sc != NULL;
647
648    int status;
649    pthread_attr_t threadAttr;
650
651    if (!gThreadTLSKeyCount) {
652        status = pthread_key_create(&gThreadTLSKey, NULL);
653        if (status) {
654            LOGE("Failed to init thread tls key.");
655            pthread_mutex_unlock(&gInitMutex);
656            return false;
657        }
658    }
659    gThreadTLSKeyCount++;
660
661    pthread_mutex_unlock(&gInitMutex);
662
663    // Global init done at this point.
664
665    status = pthread_attr_init(&threadAttr);
666    if (status) {
667        LOGE("Failed to init thread attribute.");
668        return false;
669    }
670
671    mWndSurface = NULL;
672
673    timerInit();
674    timerSet(RS_TIMER_INTERNAL);
675
676    int cpu = sysconf(_SC_NPROCESSORS_ONLN);
677    LOGV("RS Launching thread(s), reported CPU count %i", cpu);
678    if (cpu < 2) cpu = 0;
679
680    mWorkers.mCount = (uint32_t)cpu;
681    mWorkers.mThreadId = (pthread_t *) calloc(mWorkers.mCount, sizeof(pthread_t));
682    mWorkers.mNativeThreadId = (pid_t *) calloc(mWorkers.mCount, sizeof(pid_t));
683    mWorkers.mLaunchSignals = new Signal[mWorkers.mCount];
684    mWorkers.mLaunchCallback = NULL;
685    status = pthread_create(&mThreadId, &threadAttr, threadProc, this);
686    if (status) {
687        LOGE("Failed to start rs context thread.");
688        return false;
689    }
690    while (!mRunning && (mError == RS_ERROR_NONE)) {
691        usleep(100);
692    }
693
694    if (mError != RS_ERROR_NONE) {
695        return false;
696    }
697
698    mWorkers.mCompleteSignal.init();
699    mWorkers.mRunningCount = 0;
700    mWorkers.mLaunchCount = 0;
701    for (uint32_t ct=0; ct < mWorkers.mCount; ct++) {
702        status = pthread_create(&mWorkers.mThreadId[ct], &threadAttr, helperThreadProc, this);
703        if (status) {
704            mWorkers.mCount = ct;
705            LOGE("Created fewer than expected number of RS threads.");
706            break;
707        }
708    }
709    pthread_attr_destroy(&threadAttr);
710    return true;
711}
712
713Context::~Context() {
714    LOGV("Context::~Context");
715    mExit = true;
716    mPaused = false;
717    void *res;
718
719    mIO.shutdown();
720    int status = pthread_join(mThreadId, &res);
721
722    // Global structure cleanup.
723    pthread_mutex_lock(&gInitMutex);
724    if (mDev) {
725        mDev->removeContext(this);
726        --gThreadTLSKeyCount;
727        if (!gThreadTLSKeyCount) {
728            pthread_key_delete(gThreadTLSKey);
729        }
730        mDev = NULL;
731    }
732    pthread_mutex_unlock(&gInitMutex);
733    LOGV("Context::~Context done");
734}
735
736void Context::setSurface(uint32_t w, uint32_t h, ANativeWindow *sur) {
737    rsAssert(mIsGraphicsContext);
738
739    EGLBoolean ret;
740    if (mEGL.mSurface != NULL) {
741        ret = eglMakeCurrent(mEGL.mDisplay, mEGL.mSurfaceDefault, mEGL.mSurfaceDefault, mEGL.mContext);
742        checkEglError("eglMakeCurrent", ret);
743
744        ret = eglDestroySurface(mEGL.mDisplay, mEGL.mSurface);
745        checkEglError("eglDestroySurface", ret);
746
747        mEGL.mSurface = NULL;
748        mWidth = 1;
749        mHeight = 1;
750    }
751
752    mWndSurface = sur;
753    if (mWndSurface != NULL) {
754        mWidth = w;
755        mHeight = h;
756
757        mEGL.mSurface = eglCreateWindowSurface(mEGL.mDisplay, mEGL.mConfig, mWndSurface, NULL);
758        checkEglError("eglCreateWindowSurface");
759        if (mEGL.mSurface == EGL_NO_SURFACE) {
760            LOGE("eglCreateWindowSurface returned EGL_NO_SURFACE");
761        }
762
763        ret = eglMakeCurrent(mEGL.mDisplay, mEGL.mSurface, mEGL.mSurface, mEGL.mContext);
764        checkEglError("eglMakeCurrent", ret);
765
766        mStateVertex.updateSize(this);
767    }
768}
769
770void Context::pause() {
771    rsAssert(mIsGraphicsContext);
772    mPaused = true;
773}
774
775void Context::resume() {
776    rsAssert(mIsGraphicsContext);
777    mPaused = false;
778}
779
780void Context::setRootScript(Script *s) {
781    rsAssert(mIsGraphicsContext);
782    mRootScript.set(s);
783}
784
785void Context::setProgramStore(ProgramStore *pfs) {
786    rsAssert(mIsGraphicsContext);
787    if (pfs == NULL) {
788        mFragmentStore.set(mStateFragmentStore.mDefault);
789    } else {
790        mFragmentStore.set(pfs);
791    }
792}
793
794void Context::setProgramFragment(ProgramFragment *pf) {
795    rsAssert(mIsGraphicsContext);
796    if (pf == NULL) {
797        mFragment.set(mStateFragment.mDefault);
798    } else {
799        mFragment.set(pf);
800    }
801}
802
803void Context::setProgramRaster(ProgramRaster *pr) {
804    rsAssert(mIsGraphicsContext);
805    if (pr == NULL) {
806        mRaster.set(mStateRaster.mDefault);
807    } else {
808        mRaster.set(pr);
809    }
810}
811
812void Context::setProgramVertex(ProgramVertex *pv) {
813    rsAssert(mIsGraphicsContext);
814    if (pv == NULL) {
815        mVertex.set(mStateVertex.mDefault);
816    } else {
817        mVertex.set(pv);
818    }
819}
820
821void Context::setFont(Font *f) {
822    rsAssert(mIsGraphicsContext);
823    if (f == NULL) {
824        mFont.set(mStateFont.mDefault);
825    } else {
826        mFont.set(f);
827    }
828}
829
830void Context::assignName(ObjectBase *obj, const char *name, uint32_t len) {
831    rsAssert(!obj->getName());
832    obj->setName(name, len);
833    mNames.add(obj);
834}
835
836void Context::removeName(ObjectBase *obj) {
837    for (size_t ct=0; ct < mNames.size(); ct++) {
838        if (obj == mNames[ct]) {
839            mNames.removeAt(ct);
840            return;
841        }
842    }
843}
844
845RsMessageToClientType Context::peekMessageToClient(size_t *receiveLen, uint32_t *subID, bool wait) {
846    *receiveLen = 0;
847    if (!wait && mIO.mToClient.isEmpty()) {
848        return RS_MESSAGE_TO_CLIENT_NONE;
849    }
850
851    uint32_t bytesData = 0;
852    uint32_t commandID = 0;
853    const uint32_t *d = (const uint32_t *)mIO.mToClient.get(&commandID, &bytesData);
854    *receiveLen = bytesData - sizeof(uint32_t);
855    if (bytesData) {
856        *subID = d[0];
857    }
858    return (RsMessageToClientType)commandID;
859}
860
861RsMessageToClientType Context::getMessageToClient(void *data, size_t *receiveLen, uint32_t *subID, size_t bufferLen, bool wait) {
862    //LOGE("getMessageToClient %i %i", bufferLen, wait);
863    *receiveLen = 0;
864    if (!wait && mIO.mToClient.isEmpty()) {
865        return RS_MESSAGE_TO_CLIENT_NONE;
866    }
867
868    //LOGE("getMessageToClient 2 con=%p", this);
869    uint32_t bytesData = 0;
870    uint32_t commandID = 0;
871    const uint32_t *d = (const uint32_t *)mIO.mToClient.get(&commandID, &bytesData);
872    //LOGE("getMessageToClient 3    %i  %i", commandID, bytesData);
873
874    *receiveLen = bytesData - sizeof(uint32_t);
875    *subID = d[0];
876
877    //LOGE("getMessageToClient  %i %i", commandID, *subID);
878    if (bufferLen >= bytesData) {
879        memcpy(data, d+1, *receiveLen);
880        mIO.mToClient.next();
881        return (RsMessageToClientType)commandID;
882    }
883    return RS_MESSAGE_TO_CLIENT_RESIZE;
884}
885
886bool Context::sendMessageToClient(const void *data, RsMessageToClientType cmdID,
887                                  uint32_t subID, size_t len, bool waitForSpace) const {
888    //LOGE("sendMessageToClient %i %i %i %i", cmdID, subID, len, waitForSpace);
889    if (cmdID == 0) {
890        LOGE("Attempting to send invalid command 0 to client.");
891        return false;
892    }
893    if (!waitForSpace) {
894        if (!mIO.mToClient.makeSpaceNonBlocking(len + 12)) {
895            // Not enough room, and not waiting.
896            return false;
897        }
898    }
899    //LOGE("sendMessageToClient 2");
900    uint32_t *p = (uint32_t *)mIO.mToClient.reserve(len + sizeof(subID));
901    p[0] = subID;
902    if (len > 0) {
903        memcpy(p+1, data, len);
904    }
905    mIO.mToClient.commit(cmdID, len + sizeof(subID));
906    //LOGE("sendMessageToClient 3");
907    return true;
908}
909
910void Context::initToClient() {
911    while (!mRunning) {
912        usleep(100);
913    }
914}
915
916void Context::deinitToClient() {
917    mIO.mToClient.shutdown();
918}
919
920void Context::setError(RsError e, const char *msg) const {
921    mError = e;
922    sendMessageToClient(msg, RS_MESSAGE_TO_CLIENT_ERROR, e, strlen(msg) + 1, true);
923}
924
925
926void Context::dumpDebug() const {
927    LOGE("RS Context debug %p", this);
928    LOGE("RS Context debug");
929
930    LOGE(" EGL ver %i %i", mEGL.mMajorVersion, mEGL.mMinorVersion);
931    LOGE(" EGL context %p  surface %p,  Display=%p", mEGL.mContext, mEGL.mSurface, mEGL.mDisplay);
932    LOGE(" GL vendor: %s", mGL.mVendor);
933    LOGE(" GL renderer: %s", mGL.mRenderer);
934    LOGE(" GL Version: %s", mGL.mVersion);
935    LOGE(" GL Extensions: %s", mGL.mExtensions);
936    LOGE(" GL int Versions %i %i", mGL.mMajorVersion, mGL.mMinorVersion);
937    LOGE(" RS width %i, height %i", mWidth, mHeight);
938    LOGE(" RS running %i, exit %i, paused %i", mRunning, mExit, mPaused);
939    LOGE(" RS pThreadID %li, nativeThreadID %i", mThreadId, mNativeThreadId);
940
941    LOGV("MAX Textures %i, %i  %i", mGL.mMaxVertexTextureUnits, mGL.mMaxFragmentTextureImageUnits, mGL.mMaxTextureImageUnits);
942    LOGV("MAX Attribs %i", mGL.mMaxVertexAttribs);
943    LOGV("MAX Uniforms %i, %i", mGL.mMaxVertexUniformVectors, mGL.mMaxFragmentUniformVectors);
944    LOGV("MAX Varyings %i", mGL.mMaxVaryingVectors);
945}
946
947///////////////////////////////////////////////////////////////////////////////////////////
948//
949
950namespace android {
951namespace renderscript {
952
953void rsi_ContextFinish(Context *rsc) {
954}
955
956void rsi_ContextBindRootScript(Context *rsc, RsScript vs) {
957    Script *s = static_cast<Script *>(vs);
958    rsc->setRootScript(s);
959}
960
961void rsi_ContextBindSampler(Context *rsc, uint32_t slot, RsSampler vs) {
962    Sampler *s = static_cast<Sampler *>(vs);
963
964    if (slot > RS_MAX_SAMPLER_SLOT) {
965        LOGE("Invalid sampler slot");
966        return;
967    }
968
969    s->bindToContext(&rsc->mStateSampler, slot);
970}
971
972void rsi_ContextBindProgramStore(Context *rsc, RsProgramStore vpfs) {
973    ProgramStore *pfs = static_cast<ProgramStore *>(vpfs);
974    rsc->setProgramStore(pfs);
975}
976
977void rsi_ContextBindProgramFragment(Context *rsc, RsProgramFragment vpf) {
978    ProgramFragment *pf = static_cast<ProgramFragment *>(vpf);
979    rsc->setProgramFragment(pf);
980}
981
982void rsi_ContextBindProgramRaster(Context *rsc, RsProgramRaster vpr) {
983    ProgramRaster *pr = static_cast<ProgramRaster *>(vpr);
984    rsc->setProgramRaster(pr);
985}
986
987void rsi_ContextBindProgramVertex(Context *rsc, RsProgramVertex vpv) {
988    ProgramVertex *pv = static_cast<ProgramVertex *>(vpv);
989    rsc->setProgramVertex(pv);
990}
991
992void rsi_ContextBindFont(Context *rsc, RsFont vfont) {
993    Font *font = static_cast<Font *>(vfont);
994    rsc->setFont(font);
995}
996
997void rsi_AssignName(Context *rsc, void * obj, const char *name, uint32_t len) {
998    ObjectBase *ob = static_cast<ObjectBase *>(obj);
999    rsc->assignName(ob, name, len);
1000}
1001
1002void rsi_ObjDestroy(Context *rsc, void *optr) {
1003    ObjectBase *ob = static_cast<ObjectBase *>(optr);
1004    rsc->removeName(ob);
1005    ob->decUserRef();
1006}
1007
1008void rsi_ContextPause(Context *rsc) {
1009    rsc->pause();
1010}
1011
1012void rsi_ContextResume(Context *rsc) {
1013    rsc->resume();
1014}
1015
1016void rsi_ContextSetSurface(Context *rsc, uint32_t w, uint32_t h, ANativeWindow *sur) {
1017    rsc->setSurface(w, h, sur);
1018}
1019
1020void rsi_ContextSetPriority(Context *rsc, int32_t p) {
1021    rsc->setPriority(p);
1022}
1023
1024void rsi_ContextDump(Context *rsc, int32_t bits) {
1025    ObjectBase::dumpAll(rsc);
1026}
1027
1028void rsi_ContextDestroyWorker(Context *rsc) {
1029    LOGE("rsi_ContextDestroyWorker 1");
1030    rsc->destroyWorkerThreadResources();;
1031    LOGE("rsi_ContextDestroyWorker 2");
1032}
1033
1034}
1035}
1036
1037void rsContextDestroy(RsContext vcon) {
1038    LOGV("rsContextDestroy %p", vcon);
1039    Context *rsc = static_cast<Context *>(vcon);
1040    rsContextDestroyWorker(rsc);
1041    delete rsc;
1042    LOGV("rsContextDestroy 2 %p", vcon);
1043}
1044
1045RsContext rsContextCreate(RsDevice vdev, uint32_t version) {
1046    LOGV("rsContextCreate %p", vdev);
1047    Device * dev = static_cast<Device *>(vdev);
1048    Context *rsc = Context::createContext(dev, NULL);
1049    return rsc;
1050}
1051
1052RsContext rsContextCreateGL(RsDevice vdev, uint32_t version, RsSurfaceConfig sc) {
1053    LOGV("rsContextCreateGL %p", vdev);
1054    Device * dev = static_cast<Device *>(vdev);
1055    Context *rsc = Context::createContext(dev, &sc);
1056    LOGV("rsContextCreateGL ret %p ", rsc);
1057    return rsc;
1058}
1059
1060RsMessageToClientType rsContextPeekMessage(RsContext vrsc, size_t *receiveLen, uint32_t *subID, bool wait) {
1061    Context * rsc = static_cast<Context *>(vrsc);
1062    return rsc->peekMessageToClient(receiveLen, subID, wait);
1063}
1064
1065RsMessageToClientType rsContextGetMessage(RsContext vrsc, void *data, size_t *receiveLen, uint32_t *subID, size_t bufferLen, bool wait) {
1066    Context * rsc = static_cast<Context *>(vrsc);
1067    return rsc->getMessageToClient(data, receiveLen, subID, bufferLen, wait);
1068}
1069
1070void rsContextInitToClient(RsContext vrsc) {
1071    Context * rsc = static_cast<Context *>(vrsc);
1072    rsc->initToClient();
1073}
1074
1075void rsContextDeinitToClient(RsContext vrsc) {
1076    Context * rsc = static_cast<Context *>(vrsc);
1077    rsc->deinitToClient();
1078}
1079
1080// Only to be called at a3d load time, before object is visible to user
1081// not thread safe
1082void rsaGetName(RsContext con, void * obj, const char **name) {
1083    ObjectBase *ob = static_cast<ObjectBase *>(obj);
1084    (*name) = ob->getName();
1085}
1086