rsContext.cpp revision 59296fe23fc17a73cc9005b9b752406ee2518bb4 
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;
47pthread_mutex_t Context::gLibMutex = PTHREAD_MUTEX_INITIALIZER;
48
49static void checkEglError(const char* op, EGLBoolean returnVal = EGL_TRUE) {
50    if (returnVal != EGL_TRUE) {
51        fprintf(stderr, "%s() returned %d\n", op, returnVal);
52    }
53
54    for (EGLint error = eglGetError(); error != EGL_SUCCESS; error
55            = eglGetError()) {
56        fprintf(stderr, "after %s() eglError %s (0x%x)\n", op, EGLUtils::strerror(error),
57                error);
58    }
59}
60
61void printEGLConfiguration(EGLDisplay dpy, EGLConfig config) {
62
63#define X(VAL) {VAL, #VAL}
64    struct {EGLint attribute; const char* name;} names[] = {
65    X(EGL_BUFFER_SIZE),
66    X(EGL_ALPHA_SIZE),
67    X(EGL_BLUE_SIZE),
68    X(EGL_GREEN_SIZE),
69    X(EGL_RED_SIZE),
70    X(EGL_DEPTH_SIZE),
71    X(EGL_STENCIL_SIZE),
72    X(EGL_CONFIG_CAVEAT),
73    X(EGL_CONFIG_ID),
74    X(EGL_LEVEL),
75    X(EGL_MAX_PBUFFER_HEIGHT),
76    X(EGL_MAX_PBUFFER_PIXELS),
77    X(EGL_MAX_PBUFFER_WIDTH),
78    X(EGL_NATIVE_RENDERABLE),
79    X(EGL_NATIVE_VISUAL_ID),
80    X(EGL_NATIVE_VISUAL_TYPE),
81    X(EGL_SAMPLES),
82    X(EGL_SAMPLE_BUFFERS),
83    X(EGL_SURFACE_TYPE),
84    X(EGL_TRANSPARENT_TYPE),
85    X(EGL_TRANSPARENT_RED_VALUE),
86    X(EGL_TRANSPARENT_GREEN_VALUE),
87    X(EGL_TRANSPARENT_BLUE_VALUE),
88    X(EGL_BIND_TO_TEXTURE_RGB),
89    X(EGL_BIND_TO_TEXTURE_RGBA),
90    X(EGL_MIN_SWAP_INTERVAL),
91    X(EGL_MAX_SWAP_INTERVAL),
92    X(EGL_LUMINANCE_SIZE),
93    X(EGL_ALPHA_MASK_SIZE),
94    X(EGL_COLOR_BUFFER_TYPE),
95    X(EGL_RENDERABLE_TYPE),
96    X(EGL_CONFORMANT),
97   };
98#undef X
99
100    for (size_t j = 0; j < sizeof(names) / sizeof(names[0]); j++) {
101        EGLint value = -1;
102        EGLint returnVal = eglGetConfigAttrib(dpy, config, names[j].attribute, &value);
103        EGLint error = eglGetError();
104        if (returnVal && error == EGL_SUCCESS) {
105            LOGV(" %s: %d (0x%x)", names[j].name, value, value);
106        }
107    }
108}
109
110
111bool Context::initGLThread() {
112    pthread_mutex_lock(&gInitMutex);
113    LOGV("initGLThread start %p", this);
114
115    mEGL.mNumConfigs = -1;
116    EGLint configAttribs[128];
117    EGLint *configAttribsPtr = configAttribs;
118    EGLint context_attribs2[] = { EGL_CONTEXT_CLIENT_VERSION, 2, EGL_NONE };
119
120    memset(configAttribs, 0, sizeof(configAttribs));
121
122    configAttribsPtr[0] = EGL_SURFACE_TYPE;
123    configAttribsPtr[1] = EGL_WINDOW_BIT;
124    configAttribsPtr += 2;
125
126    configAttribsPtr[0] = EGL_RENDERABLE_TYPE;
127    configAttribsPtr[1] = EGL_OPENGL_ES2_BIT;
128    configAttribsPtr += 2;
129
130    if (mUserSurfaceConfig.depthMin > 0) {
131        configAttribsPtr[0] = EGL_DEPTH_SIZE;
132        configAttribsPtr[1] = mUserSurfaceConfig.depthMin;
133        configAttribsPtr += 2;
134    }
135
136    if (mDev->mForceSW) {
137        configAttribsPtr[0] = EGL_CONFIG_CAVEAT;
138        configAttribsPtr[1] = EGL_SLOW_CONFIG;
139        configAttribsPtr += 2;
140    }
141
142    configAttribsPtr[0] = EGL_NONE;
143    rsAssert(configAttribsPtr < (configAttribs + (sizeof(configAttribs) / sizeof(EGLint))));
144
145    LOGV("%p initEGL start", this);
146    mEGL.mDisplay = eglGetDisplay(EGL_DEFAULT_DISPLAY);
147    checkEglError("eglGetDisplay");
148
149    eglInitialize(mEGL.mDisplay, &mEGL.mMajorVersion, &mEGL.mMinorVersion);
150    checkEglError("eglInitialize");
151
152#if 1
153    PixelFormat pf = PIXEL_FORMAT_RGBA_8888;
154    if (mUserSurfaceConfig.alphaMin == 0) {
155        pf = PIXEL_FORMAT_RGBX_8888;
156    }
157
158    status_t err = EGLUtils::selectConfigForPixelFormat(mEGL.mDisplay, configAttribs, pf, &mEGL.mConfig);
159    if (err) {
160       LOGE("%p, couldn't find an EGLConfig matching the screen format\n", this);
161    }
162    if (props.mLogVisual) {
163        printEGLConfiguration(mEGL.mDisplay, mEGL.mConfig);
164    }
165#else
166    eglChooseConfig(mEGL.mDisplay, configAttribs, &mEGL.mConfig, 1, &mEGL.mNumConfigs);
167#endif
168
169    mEGL.mContext = eglCreateContext(mEGL.mDisplay, mEGL.mConfig, EGL_NO_CONTEXT, context_attribs2);
170    checkEglError("eglCreateContext");
171    if (mEGL.mContext == EGL_NO_CONTEXT) {
172        pthread_mutex_unlock(&gInitMutex);
173        LOGE("%p, eglCreateContext returned EGL_NO_CONTEXT", this);
174        return false;
175    }
176    gGLContextCount++;
177
178
179    EGLint pbuffer_attribs[] = { EGL_WIDTH, 1, EGL_HEIGHT, 1, EGL_NONE };
180    mEGL.mSurfaceDefault = eglCreatePbufferSurface(mEGL.mDisplay, mEGL.mConfig, pbuffer_attribs);
181    checkEglError("eglCreatePbufferSurface");
182    if (mEGL.mSurfaceDefault == EGL_NO_SURFACE) {
183        LOGE("eglCreatePbufferSurface returned EGL_NO_SURFACE");
184        pthread_mutex_unlock(&gInitMutex);
185        deinitEGL();
186        return false;
187    }
188
189    EGLBoolean ret = eglMakeCurrent(mEGL.mDisplay, mEGL.mSurfaceDefault, mEGL.mSurfaceDefault, mEGL.mContext);
190    if (ret == EGL_FALSE) {
191        LOGE("eglMakeCurrent returned EGL_FALSE");
192        checkEglError("eglMakeCurrent", ret);
193        pthread_mutex_unlock(&gInitMutex);
194        deinitEGL();
195        return false;
196    }
197
198    mGL.mVersion = glGetString(GL_VERSION);
199    mGL.mVendor = glGetString(GL_VENDOR);
200    mGL.mRenderer = glGetString(GL_RENDERER);
201    mGL.mExtensions = glGetString(GL_EXTENSIONS);
202
203    //LOGV("EGL Version %i %i", mEGL.mMajorVersion, mEGL.mMinorVersion);
204    LOGV("GL Version %s", mGL.mVersion);
205    //LOGV("GL Vendor %s", mGL.mVendor);
206    LOGV("GL Renderer %s", mGL.mRenderer);
207    //LOGV("GL Extensions %s", mGL.mExtensions);
208
209    const char *verptr = NULL;
210    if (strlen((const char *)mGL.mVersion) > 9) {
211        if (!memcmp(mGL.mVersion, "OpenGL ES-CM", 12)) {
212            verptr = (const char *)mGL.mVersion + 12;
213        }
214        if (!memcmp(mGL.mVersion, "OpenGL ES ", 10)) {
215            verptr = (const char *)mGL.mVersion + 9;
216        }
217    }
218
219    if (!verptr) {
220        LOGE("Error, OpenGL ES Lite not supported");
221        pthread_mutex_unlock(&gInitMutex);
222        deinitEGL();
223        return false;
224    } else {
225        sscanf(verptr, " %i.%i", &mGL.mMajorVersion, &mGL.mMinorVersion);
226    }
227
228    glGetIntegerv(GL_MAX_VERTEX_ATTRIBS, &mGL.mMaxVertexAttribs);
229    glGetIntegerv(GL_MAX_VERTEX_UNIFORM_VECTORS, &mGL.mMaxVertexUniformVectors);
230    glGetIntegerv(GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS, &mGL.mMaxVertexTextureUnits);
231
232    glGetIntegerv(GL_MAX_VARYING_VECTORS, &mGL.mMaxVaryingVectors);
233    glGetIntegerv(GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS, &mGL.mMaxTextureImageUnits);
234
235    glGetIntegerv(GL_MAX_TEXTURE_IMAGE_UNITS, &mGL.mMaxFragmentTextureImageUnits);
236    glGetIntegerv(GL_MAX_FRAGMENT_UNIFORM_VECTORS, &mGL.mMaxFragmentUniformVectors);
237
238    mGL.OES_texture_npot = NULL != strstr((const char *)mGL.mExtensions, "GL_OES_texture_npot");
239    mGL.GL_IMG_texture_npot = NULL != strstr((const char *)mGL.mExtensions, "GL_IMG_texture_npot");
240    mGL.GL_NV_texture_npot_2D_mipmap = NULL != strstr((const char *)mGL.mExtensions, "GL_NV_texture_npot_2D_mipmap");
241    mGL.EXT_texture_max_aniso = 1.0f;
242    bool hasAniso = NULL != strstr((const char *)mGL.mExtensions, "GL_EXT_texture_filter_anisotropic");
243    if (hasAniso) {
244        glGetFloatv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &mGL.EXT_texture_max_aniso);
245    }
246
247    LOGV("initGLThread end %p", this);
248    pthread_mutex_unlock(&gInitMutex);
249    return true;
250}
251
252void Context::deinitEGL() {
253    LOGV("%p, deinitEGL", this);
254
255    if (mEGL.mContext != EGL_NO_CONTEXT) {
256        eglMakeCurrent(mEGL.mDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
257        eglDestroySurface(mEGL.mDisplay, mEGL.mSurfaceDefault);
258        if (mEGL.mSurface != EGL_NO_SURFACE) {
259            eglDestroySurface(mEGL.mDisplay, mEGL.mSurface);
260        }
261        eglDestroyContext(mEGL.mDisplay, mEGL.mContext);
262        checkEglError("eglDestroyContext");
263    }
264
265    gGLContextCount--;
266    if (!gGLContextCount) {
267        eglTerminate(mEGL.mDisplay);
268    }
269}
270
271Context::PushState::PushState(Context *con) {
272    mRsc = con;
273    mFragment.set(con->getProgramFragment());
274    mVertex.set(con->getProgramVertex());
275    mStore.set(con->getProgramStore());
276    mRaster.set(con->getProgramRaster());
277    mFont.set(con->getFont());
278}
279
280Context::PushState::~PushState() {
281    mRsc->setProgramFragment(mFragment.get());
282    mRsc->setProgramVertex(mVertex.get());
283    mRsc->setProgramStore(mStore.get());
284    mRsc->setProgramRaster(mRaster.get());
285    mRsc->setFont(mFont.get());
286}
287
288
289uint32_t Context::runScript(Script *s) {
290    PushState(this);
291
292    uint32_t ret = s->run(this);
293    return ret;
294}
295
296void Context::checkError(const char *msg, bool isFatal) const {
297
298    GLenum err = glGetError();
299    if (err != GL_NO_ERROR) {
300        char buf[1024];
301        snprintf(buf, sizeof(buf), "GL Error = 0x%08x, from: %s", err, msg);
302
303        if (isFatal) {
304            setError(RS_ERROR_FATAL_DRIVER, buf);
305        } else {
306            switch (err) {
307            case GL_OUT_OF_MEMORY:
308                setError(RS_ERROR_OUT_OF_MEMORY, buf);
309                break;
310            default:
311                setError(RS_ERROR_DRIVER, buf);
312                break;
313            }
314        }
315
316        LOGE("%p, %s", this, buf);
317    }
318}
319
320uint32_t Context::runRootScript() {
321    glViewport(0, 0, mWidth, mHeight);
322
323    timerSet(RS_TIMER_SCRIPT);
324    mStateFragmentStore.mLast.clear();
325    uint32_t ret = runScript(mRootScript.get());
326
327    checkError("runRootScript");
328    return ret;
329}
330
331uint64_t Context::getTime() const {
332    struct timespec t;
333    clock_gettime(CLOCK_MONOTONIC, &t);
334    return t.tv_nsec + ((uint64_t)t.tv_sec * 1000 * 1000 * 1000);
335}
336
337void Context::timerReset() {
338    for (int ct=0; ct < _RS_TIMER_TOTAL; ct++) {
339        mTimers[ct] = 0;
340    }
341}
342
343void Context::timerInit() {
344    mTimeLast = getTime();
345    mTimeFrame = mTimeLast;
346    mTimeLastFrame = mTimeLast;
347    mTimerActive = RS_TIMER_INTERNAL;
348    mAverageFPSFrameCount = 0;
349    mAverageFPSStartTime = mTimeLast;
350    mAverageFPS = 0;
351    timerReset();
352}
353
354void Context::timerFrame() {
355    mTimeLastFrame = mTimeFrame;
356    mTimeFrame = getTime();
357    // Update average fps
358    const uint64_t averageFramerateInterval = 1000 * 1000000;
359    mAverageFPSFrameCount ++;
360    uint64_t inverval = mTimeFrame - mAverageFPSStartTime;
361    if (inverval >= averageFramerateInterval) {
362        inverval = inverval / 1000000;
363        mAverageFPS = (mAverageFPSFrameCount * 1000) / inverval;
364        mAverageFPSFrameCount = 0;
365        mAverageFPSStartTime = mTimeFrame;
366    }
367}
368
369void Context::timerSet(Timers tm) {
370    uint64_t last = mTimeLast;
371    mTimeLast = getTime();
372    mTimers[mTimerActive] += mTimeLast - last;
373    mTimerActive = tm;
374}
375
376void Context::timerPrint() {
377    double total = 0;
378    for (int ct = 0; ct < _RS_TIMER_TOTAL; ct++) {
379        total += mTimers[ct];
380    }
381    uint64_t frame = mTimeFrame - mTimeLastFrame;
382    mTimeMSLastFrame = frame / 1000000;
383    mTimeMSLastScript = mTimers[RS_TIMER_SCRIPT] / 1000000;
384    mTimeMSLastSwap = mTimers[RS_TIMER_CLEAR_SWAP] / 1000000;
385
386
387    if (props.mLogTimes) {
388        LOGV("RS: Frame (%i),   Script %2.1f%% (%i),  Swap %2.1f%% (%i),  Idle %2.1f%% (%lli),  Internal %2.1f%% (%lli), Avg fps: %u",
389             mTimeMSLastFrame,
390             100.0 * mTimers[RS_TIMER_SCRIPT] / total, mTimeMSLastScript,
391             100.0 * mTimers[RS_TIMER_CLEAR_SWAP] / total, mTimeMSLastSwap,
392             100.0 * mTimers[RS_TIMER_IDLE] / total, mTimers[RS_TIMER_IDLE] / 1000000,
393             100.0 * mTimers[RS_TIMER_INTERNAL] / total, mTimers[RS_TIMER_INTERNAL] / 1000000,
394             mAverageFPS);
395    }
396}
397
398bool Context::setupCheck() {
399    if (!mShaderCache.lookup(this, mVertex.get(), mFragment.get())) {
400        LOGE("Context::setupCheck() 1 fail");
401        return false;
402    }
403
404    mFragmentStore->setupGL2(this, &mStateFragmentStore);
405    mFragment->setupGL2(this, &mStateFragment, &mShaderCache);
406    mRaster->setupGL2(this, &mStateRaster);
407    mVertex->setupGL2(this, &mStateVertex, &mShaderCache);
408    return true;
409}
410
411void Context::setupProgramStore() {
412    mFragmentStore->setupGL2(this, &mStateFragmentStore);
413}
414
415static bool getProp(const char *str) {
416    char buf[PROPERTY_VALUE_MAX];
417    property_get(str, buf, "0");
418    return 0 != strcmp(buf, "0");
419}
420
421void Context::displayDebugStats() {
422    char buffer[128];
423    sprintf(buffer, "Avg fps %u, Frame %i ms, Script %i ms", mAverageFPS, mTimeMSLastFrame, mTimeMSLastScript);
424    float oldR, oldG, oldB, oldA;
425    mStateFont.getFontColor(&oldR, &oldG, &oldB, &oldA);
426    uint32_t bufferLen = strlen(buffer);
427
428    float shadowCol = 0.1f;
429    mStateFont.setFontColor(shadowCol, shadowCol, shadowCol, 1.0f);
430    mStateFont.renderText(buffer, bufferLen, 5, getHeight() - 6);
431
432    mStateFont.setFontColor(1.0f, 0.7f, 0.0f, 1.0f);
433    mStateFont.renderText(buffer, bufferLen, 4, getHeight() - 7);
434
435    mStateFont.setFontColor(oldR, oldG, oldB, oldA);
436}
437
438void * Context::threadProc(void *vrsc) {
439     Context *rsc = static_cast<Context *>(vrsc);
440     rsc->mNativeThreadId = gettid();
441
442     setpriority(PRIO_PROCESS, rsc->mNativeThreadId, ANDROID_PRIORITY_DISPLAY);
443     rsc->mThreadPriority = ANDROID_PRIORITY_DISPLAY;
444
445     rsc->props.mLogTimes = getProp("debug.rs.profile");
446     rsc->props.mLogScripts = getProp("debug.rs.script");
447     rsc->props.mLogObjects = getProp("debug.rs.object");
448     rsc->props.mLogShaders = getProp("debug.rs.shader");
449     rsc->props.mLogShadersAttr = getProp("debug.rs.shader.attributes");
450     rsc->props.mLogShadersUniforms = getProp("debug.rs.shader.uniforms");
451     rsc->props.mLogVisual = getProp("debug.rs.visual");
452
453     rsc->mTlsStruct = new ScriptTLSStruct;
454     if (!rsc->mTlsStruct) {
455         LOGE("Error allocating tls storage");
456         rsc->setError(RS_ERROR_OUT_OF_MEMORY, "Failed allocation for TLS");
457         return NULL;
458     }
459     rsc->mTlsStruct->mContext = rsc;
460     rsc->mTlsStruct->mScript = NULL;
461     int status = pthread_setspecific(rsc->gThreadTLSKey, rsc->mTlsStruct);
462     if (status) {
463         LOGE("pthread_setspecific %i", status);
464     }
465
466     if (!rsc->initGLThread()) {
467         rsc->setError(RS_ERROR_OUT_OF_MEMORY, "Failed initializing GL");
468         return NULL;
469     }
470
471     rsc->mScriptC.init(rsc);
472     if (rsc->mIsGraphicsContext) {
473         rsc->mStateRaster.init(rsc);
474         rsc->setProgramRaster(NULL);
475         rsc->mStateVertex.init(rsc);
476         rsc->setProgramVertex(NULL);
477         rsc->mStateFragment.init(rsc);
478         rsc->setProgramFragment(NULL);
479         rsc->mStateFragmentStore.init(rsc);
480         rsc->setProgramStore(NULL);
481         rsc->mStateFont.init(rsc);
482         rsc->setFont(NULL);
483         rsc->mStateVertexArray.init(rsc);
484     }
485
486     rsc->mRunning = true;
487     bool mDraw = true;
488     while (!rsc->mExit) {
489         mDraw |= rsc->mIO.playCoreCommands(rsc, !mDraw);
490         mDraw &= (rsc->mRootScript.get() != NULL);
491         mDraw &= (rsc->mWndSurface != NULL);
492
493         uint32_t targetTime = 0;
494         if (mDraw && rsc->mIsGraphicsContext) {
495             targetTime = rsc->runRootScript();
496
497             if (rsc->props.mLogVisual) {
498                 rsc->displayDebugStats();
499             }
500
501             mDraw = targetTime && !rsc->mPaused;
502             rsc->timerSet(RS_TIMER_CLEAR_SWAP);
503             eglSwapBuffers(rsc->mEGL.mDisplay, rsc->mEGL.mSurface);
504             rsc->timerFrame();
505             rsc->timerSet(RS_TIMER_INTERNAL);
506             rsc->timerPrint();
507             rsc->timerReset();
508         }
509         if (targetTime > 1) {
510             int32_t t = (targetTime - (int32_t)(rsc->mTimeMSLastScript + rsc->mTimeMSLastSwap)) * 1000;
511             if (t > 0) {
512                 usleep(t);
513             }
514         }
515     }
516
517     LOGV("%p, RS Thread exiting", rsc);
518
519     if (rsc->mIsGraphicsContext) {
520         pthread_mutex_lock(&gInitMutex);
521         rsc->deinitEGL();
522         pthread_mutex_unlock(&gInitMutex);
523     }
524     delete rsc->mTlsStruct;
525
526     LOGV("%p, RS Thread exited", rsc);
527     return NULL;
528}
529
530void Context::destroyWorkerThreadResources() {
531    LOGV("destroyWorkerThreadResources 1");
532    if (mIsGraphicsContext) {
533         mRaster.clear();
534         mFragment.clear();
535         mVertex.clear();
536         mFragmentStore.clear();
537         mFont.clear();
538         mRootScript.clear();
539         mStateRaster.deinit(this);
540         mStateVertex.deinit(this);
541         mStateFragment.deinit(this);
542         mStateFragmentStore.deinit(this);
543         mStateFont.deinit(this);
544         mShaderCache.cleanupAll();
545    }
546    ObjectBase::zeroAllUserRef(this);
547    LOGV("destroyWorkerThreadResources 2");
548    mExit = true;
549}
550
551void * Context::helperThreadProc(void *vrsc) {
552     Context *rsc = static_cast<Context *>(vrsc);
553     uint32_t idx = (uint32_t)android_atomic_inc(&rsc->mWorkers.mLaunchCount);
554
555     LOGV("RS helperThread starting %p idx=%i", rsc, idx);
556
557     rsc->mWorkers.mLaunchSignals[idx].init();
558     rsc->mWorkers.mNativeThreadId[idx] = gettid();
559
560#if 0
561     typedef struct {uint64_t bits[1024 / 64]; } cpu_set_t;
562     cpu_set_t cpuset;
563     memset(&cpuset, 0, sizeof(cpuset));
564     cpuset.bits[idx / 64] |= 1ULL << (idx % 64);
565     int ret = syscall(241, rsc->mWorkers.mNativeThreadId[idx],
566               sizeof(cpuset), &cpuset);
567     LOGE("SETAFFINITY ret = %i %s", ret, EGLUtils::strerror(ret));
568#endif
569
570     setpriority(PRIO_PROCESS, rsc->mWorkers.mNativeThreadId[idx], rsc->mThreadPriority);
571     int status = pthread_setspecific(rsc->gThreadTLSKey, rsc->mTlsStruct);
572     if (status) {
573         LOGE("pthread_setspecific %i", status);
574     }
575
576     while (rsc->mRunning) {
577         rsc->mWorkers.mLaunchSignals[idx].wait();
578         if (rsc->mWorkers.mLaunchCallback) {
579            rsc->mWorkers.mLaunchCallback(rsc->mWorkers.mLaunchData, idx);
580         }
581         android_atomic_dec(&rsc->mWorkers.mRunningCount);
582         rsc->mWorkers.mCompleteSignal.set();
583     }
584
585     LOGV("RS helperThread exiting %p idx=%i", rsc, idx);
586     return NULL;
587}
588
589void Context::launchThreads(WorkerCallback_t cbk, void *data) {
590    mWorkers.mLaunchData = data;
591    mWorkers.mLaunchCallback = cbk;
592    mWorkers.mRunningCount = (int)mWorkers.mCount;
593    for (uint32_t ct = 0; ct < mWorkers.mCount; ct++) {
594        mWorkers.mLaunchSignals[ct].set();
595    }
596    while (mWorkers.mRunningCount) {
597        mWorkers.mCompleteSignal.wait();
598    }
599}
600
601void Context::setPriority(int32_t p) {
602    // Note: If we put this in the proper "background" policy
603    // the wallpapers can become completly unresponsive at times.
604    // This is probably not what we want for something the user is actively
605    // looking at.
606    mThreadPriority = p;
607#if 0
608    SchedPolicy pol = SP_FOREGROUND;
609    if (p > 0) {
610        pol = SP_BACKGROUND;
611    }
612    if (!set_sched_policy(mNativeThreadId, pol)) {
613        // success; reset the priority as well
614    }
615#else
616    setpriority(PRIO_PROCESS, mNativeThreadId, p);
617    for (uint32_t ct=0; ct < mWorkers.mCount; ct++) {
618        setpriority(PRIO_PROCESS, mWorkers.mNativeThreadId[ct], p);
619    }
620#endif
621}
622
623Context::Context() {
624    mDev = NULL;
625    mRunning = false;
626    mExit = false;
627    mPaused = false;
628    mObjHead = NULL;
629    mError = RS_ERROR_NONE;
630}
631
632Context * Context::createContext(Device *dev, const RsSurfaceConfig *sc) {
633    Context * rsc = new Context();
634    if (!rsc->initContext(dev, sc)) {
635        delete rsc;
636        return NULL;
637    }
638    return rsc;
639}
640
641bool Context::initContext(Device *dev, const RsSurfaceConfig *sc) {
642    pthread_mutex_lock(&gInitMutex);
643
644    dev->addContext(this);
645    mDev = dev;
646    if (sc) {
647        mUserSurfaceConfig = *sc;
648    } else {
649        memset(&mUserSurfaceConfig, 0, sizeof(mUserSurfaceConfig));
650    }
651
652    memset(&mEGL, 0, sizeof(mEGL));
653    memset(&mGL, 0, sizeof(mGL));
654    mIsGraphicsContext = sc != NULL;
655
656    int status;
657    pthread_attr_t threadAttr;
658
659    if (!gThreadTLSKeyCount) {
660        status = pthread_key_create(&gThreadTLSKey, NULL);
661        if (status) {
662            LOGE("Failed to init thread tls key.");
663            pthread_mutex_unlock(&gInitMutex);
664            return false;
665        }
666    }
667    gThreadTLSKeyCount++;
668
669    pthread_mutex_unlock(&gInitMutex);
670
671    // Global init done at this point.
672
673    status = pthread_attr_init(&threadAttr);
674    if (status) {
675        LOGE("Failed to init thread attribute.");
676        return false;
677    }
678
679    mWndSurface = NULL;
680
681    timerInit();
682    timerSet(RS_TIMER_INTERNAL);
683
684    int cpu = sysconf(_SC_NPROCESSORS_ONLN);
685    LOGV("RS Launching thread(s), reported CPU count %i", cpu);
686    if (cpu < 2) cpu = 0;
687
688    mWorkers.mCount = (uint32_t)cpu;
689    mWorkers.mThreadId = (pthread_t *) calloc(mWorkers.mCount, sizeof(pthread_t));
690    mWorkers.mNativeThreadId = (pid_t *) calloc(mWorkers.mCount, sizeof(pid_t));
691    mWorkers.mLaunchSignals = new Signal[mWorkers.mCount];
692    mWorkers.mLaunchCallback = NULL;
693    status = pthread_create(&mThreadId, &threadAttr, threadProc, this);
694    if (status) {
695        LOGE("Failed to start rs context thread.");
696        return false;
697    }
698    while (!mRunning && (mError == RS_ERROR_NONE)) {
699        usleep(100);
700    }
701
702    if (mError != RS_ERROR_NONE) {
703        return false;
704    }
705
706    mWorkers.mCompleteSignal.init();
707    mWorkers.mRunningCount = 0;
708    mWorkers.mLaunchCount = 0;
709    for (uint32_t ct=0; ct < mWorkers.mCount; ct++) {
710        status = pthread_create(&mWorkers.mThreadId[ct], &threadAttr, helperThreadProc, this);
711        if (status) {
712            mWorkers.mCount = ct;
713            LOGE("Created fewer than expected number of RS threads.");
714            break;
715        }
716    }
717    pthread_attr_destroy(&threadAttr);
718    return true;
719}
720
721Context::~Context() {
722    LOGV("Context::~Context");
723
724    mIO.mToCore.flush();
725    rsAssert(mExit);
726    mExit = true;
727    mPaused = false;
728    void *res;
729
730    mIO.shutdown();
731    int status = pthread_join(mThreadId, &res);
732
733    // Global structure cleanup.
734    pthread_mutex_lock(&gInitMutex);
735    if (mDev) {
736        mDev->removeContext(this);
737        --gThreadTLSKeyCount;
738        if (!gThreadTLSKeyCount) {
739            pthread_key_delete(gThreadTLSKey);
740        }
741        mDev = NULL;
742    }
743    pthread_mutex_unlock(&gInitMutex);
744    LOGV("Context::~Context done");
745}
746
747void Context::setSurface(uint32_t w, uint32_t h, ANativeWindow *sur) {
748    rsAssert(mIsGraphicsContext);
749
750    EGLBoolean ret;
751    // WAR: Some drivers fail to handle 0 size surfaces correcntly.
752    // Use the pbuffer to avoid this pitfall.
753    if ((mEGL.mSurface != NULL) || (w == 0) || (h == 0)) {
754        ret = eglMakeCurrent(mEGL.mDisplay, mEGL.mSurfaceDefault, mEGL.mSurfaceDefault, mEGL.mContext);
755        checkEglError("eglMakeCurrent", ret);
756
757        ret = eglDestroySurface(mEGL.mDisplay, mEGL.mSurface);
758        checkEglError("eglDestroySurface", ret);
759
760        mEGL.mSurface = NULL;
761        mWidth = 1;
762        mHeight = 1;
763    }
764
765    mWndSurface = sur;
766    if (mWndSurface != NULL) {
767        mWidth = w;
768        mHeight = h;
769
770        mEGL.mSurface = eglCreateWindowSurface(mEGL.mDisplay, mEGL.mConfig, mWndSurface, NULL);
771        checkEglError("eglCreateWindowSurface");
772        if (mEGL.mSurface == EGL_NO_SURFACE) {
773            LOGE("eglCreateWindowSurface returned EGL_NO_SURFACE");
774        }
775
776        ret = eglMakeCurrent(mEGL.mDisplay, mEGL.mSurface, mEGL.mSurface, mEGL.mContext);
777        checkEglError("eglMakeCurrent", ret);
778
779        mStateVertex.updateSize(this);
780    }
781}
782
783void Context::pause() {
784    rsAssert(mIsGraphicsContext);
785    mPaused = true;
786}
787
788void Context::resume() {
789    rsAssert(mIsGraphicsContext);
790    mPaused = false;
791}
792
793void Context::setRootScript(Script *s) {
794    rsAssert(mIsGraphicsContext);
795    mRootScript.set(s);
796}
797
798void Context::setProgramStore(ProgramStore *pfs) {
799    rsAssert(mIsGraphicsContext);
800    if (pfs == NULL) {
801        mFragmentStore.set(mStateFragmentStore.mDefault);
802    } else {
803        mFragmentStore.set(pfs);
804    }
805}
806
807void Context::setProgramFragment(ProgramFragment *pf) {
808    rsAssert(mIsGraphicsContext);
809    if (pf == NULL) {
810        mFragment.set(mStateFragment.mDefault);
811    } else {
812        mFragment.set(pf);
813    }
814}
815
816void Context::setProgramRaster(ProgramRaster *pr) {
817    rsAssert(mIsGraphicsContext);
818    if (pr == NULL) {
819        mRaster.set(mStateRaster.mDefault);
820    } else {
821        mRaster.set(pr);
822    }
823}
824
825void Context::setProgramVertex(ProgramVertex *pv) {
826    rsAssert(mIsGraphicsContext);
827    if (pv == NULL) {
828        mVertex.set(mStateVertex.mDefault);
829    } else {
830        mVertex.set(pv);
831    }
832}
833
834void Context::setFont(Font *f) {
835    rsAssert(mIsGraphicsContext);
836    if (f == NULL) {
837        mFont.set(mStateFont.mDefault);
838    } else {
839        mFont.set(f);
840    }
841}
842
843void Context::assignName(ObjectBase *obj, const char *name, uint32_t len) {
844    rsAssert(!obj->getName());
845    obj->setName(name, len);
846    mNames.add(obj);
847}
848
849void Context::removeName(ObjectBase *obj) {
850    for (size_t ct=0; ct < mNames.size(); ct++) {
851        if (obj == mNames[ct]) {
852            mNames.removeAt(ct);
853            return;
854        }
855    }
856}
857
858RsMessageToClientType Context::peekMessageToClient(size_t *receiveLen, uint32_t *subID, bool wait) {
859    *receiveLen = 0;
860    if (!wait && mIO.mToClient.isEmpty()) {
861        return RS_MESSAGE_TO_CLIENT_NONE;
862    }
863
864    uint32_t bytesData = 0;
865    uint32_t commandID = 0;
866    const uint32_t *d = (const uint32_t *)mIO.mToClient.get(&commandID, &bytesData);
867    *receiveLen = bytesData - sizeof(uint32_t);
868    if (bytesData) {
869        *subID = d[0];
870    }
871    return (RsMessageToClientType)commandID;
872}
873
874RsMessageToClientType Context::getMessageToClient(void *data, size_t *receiveLen, uint32_t *subID, size_t bufferLen, bool wait) {
875    //LOGE("getMessageToClient %i %i", bufferLen, wait);
876    *receiveLen = 0;
877    if (!wait && mIO.mToClient.isEmpty()) {
878        return RS_MESSAGE_TO_CLIENT_NONE;
879    }
880
881    //LOGE("getMessageToClient 2 con=%p", this);
882    uint32_t bytesData = 0;
883    uint32_t commandID = 0;
884    const uint32_t *d = (const uint32_t *)mIO.mToClient.get(&commandID, &bytesData);
885    //LOGE("getMessageToClient 3    %i  %i", commandID, bytesData);
886
887    *receiveLen = bytesData - sizeof(uint32_t);
888    *subID = d[0];
889
890    //LOGE("getMessageToClient  %i %i", commandID, *subID);
891    if (bufferLen >= bytesData) {
892        memcpy(data, d+1, *receiveLen);
893        mIO.mToClient.next();
894        return (RsMessageToClientType)commandID;
895    }
896    return RS_MESSAGE_TO_CLIENT_RESIZE;
897}
898
899bool Context::sendMessageToClient(const void *data, RsMessageToClientType cmdID,
900                                  uint32_t subID, size_t len, bool waitForSpace) const {
901    //LOGE("sendMessageToClient %i %i %i %i", cmdID, subID, len, waitForSpace);
902    if (cmdID == 0) {
903        LOGE("Attempting to send invalid command 0 to client.");
904        return false;
905    }
906    if (!waitForSpace) {
907        if (!mIO.mToClient.makeSpaceNonBlocking(len + 12)) {
908            // Not enough room, and not waiting.
909            return false;
910        }
911    }
912    //LOGE("sendMessageToClient 2");
913    uint32_t *p = (uint32_t *)mIO.mToClient.reserve(len + sizeof(subID));
914    p[0] = subID;
915    if (len > 0) {
916        memcpy(p+1, data, len);
917    }
918    mIO.mToClient.commit(cmdID, len + sizeof(subID));
919    //LOGE("sendMessageToClient 3");
920    return true;
921}
922
923void Context::initToClient() {
924    while (!mRunning) {
925        usleep(100);
926    }
927}
928
929void Context::deinitToClient() {
930    mIO.mToClient.shutdown();
931}
932
933void Context::setError(RsError e, const char *msg) const {
934    mError = e;
935    sendMessageToClient(msg, RS_MESSAGE_TO_CLIENT_ERROR, e, strlen(msg) + 1, true);
936}
937
938
939void Context::dumpDebug() const {
940    LOGE("RS Context debug %p", this);
941    LOGE("RS Context debug");
942
943    LOGE(" EGL ver %i %i", mEGL.mMajorVersion, mEGL.mMinorVersion);
944    LOGE(" EGL context %p  surface %p,  Display=%p", mEGL.mContext, mEGL.mSurface, mEGL.mDisplay);
945    LOGE(" GL vendor: %s", mGL.mVendor);
946    LOGE(" GL renderer: %s", mGL.mRenderer);
947    LOGE(" GL Version: %s", mGL.mVersion);
948    LOGE(" GL Extensions: %s", mGL.mExtensions);
949    LOGE(" GL int Versions %i %i", mGL.mMajorVersion, mGL.mMinorVersion);
950    LOGE(" RS width %i, height %i", mWidth, mHeight);
951    LOGE(" RS running %i, exit %i, paused %i", mRunning, mExit, mPaused);
952    LOGE(" RS pThreadID %li, nativeThreadID %i", mThreadId, mNativeThreadId);
953
954    LOGV("MAX Textures %i, %i  %i", mGL.mMaxVertexTextureUnits, mGL.mMaxFragmentTextureImageUnits, mGL.mMaxTextureImageUnits);
955    LOGV("MAX Attribs %i", mGL.mMaxVertexAttribs);
956    LOGV("MAX Uniforms %i, %i", mGL.mMaxVertexUniformVectors, mGL.mMaxFragmentUniformVectors);
957    LOGV("MAX Varyings %i", mGL.mMaxVaryingVectors);
958}
959
960///////////////////////////////////////////////////////////////////////////////////////////
961//
962
963namespace android {
964namespace renderscript {
965
966void rsi_ContextFinish(Context *rsc) {
967}
968
969void rsi_ContextBindRootScript(Context *rsc, RsScript vs) {
970    Script *s = static_cast<Script *>(vs);
971    rsc->setRootScript(s);
972}
973
974void rsi_ContextBindSampler(Context *rsc, uint32_t slot, RsSampler vs) {
975    Sampler *s = static_cast<Sampler *>(vs);
976
977    if (slot > RS_MAX_SAMPLER_SLOT) {
978        LOGE("Invalid sampler slot");
979        return;
980    }
981
982    s->bindToContext(&rsc->mStateSampler, slot);
983}
984
985void rsi_ContextBindProgramStore(Context *rsc, RsProgramStore vpfs) {
986    ProgramStore *pfs = static_cast<ProgramStore *>(vpfs);
987    rsc->setProgramStore(pfs);
988}
989
990void rsi_ContextBindProgramFragment(Context *rsc, RsProgramFragment vpf) {
991    ProgramFragment *pf = static_cast<ProgramFragment *>(vpf);
992    rsc->setProgramFragment(pf);
993}
994
995void rsi_ContextBindProgramRaster(Context *rsc, RsProgramRaster vpr) {
996    ProgramRaster *pr = static_cast<ProgramRaster *>(vpr);
997    rsc->setProgramRaster(pr);
998}
999
1000void rsi_ContextBindProgramVertex(Context *rsc, RsProgramVertex vpv) {
1001    ProgramVertex *pv = static_cast<ProgramVertex *>(vpv);
1002    rsc->setProgramVertex(pv);
1003}
1004
1005void rsi_ContextBindFont(Context *rsc, RsFont vfont) {
1006    Font *font = static_cast<Font *>(vfont);
1007    rsc->setFont(font);
1008}
1009
1010void rsi_AssignName(Context *rsc, void * obj, const char *name, uint32_t len) {
1011    ObjectBase *ob = static_cast<ObjectBase *>(obj);
1012    rsc->assignName(ob, name, len);
1013}
1014
1015void rsi_ObjDestroy(Context *rsc, void *optr) {
1016    ObjectBase *ob = static_cast<ObjectBase *>(optr);
1017    rsc->removeName(ob);
1018    ob->decUserRef();
1019}
1020
1021void rsi_ContextPause(Context *rsc) {
1022    rsc->pause();
1023}
1024
1025void rsi_ContextResume(Context *rsc) {
1026    rsc->resume();
1027}
1028
1029void rsi_ContextSetSurface(Context *rsc, uint32_t w, uint32_t h, ANativeWindow *sur) {
1030    rsc->setSurface(w, h, sur);
1031}
1032
1033void rsi_ContextSetPriority(Context *rsc, int32_t p) {
1034    rsc->setPriority(p);
1035}
1036
1037void rsi_ContextDump(Context *rsc, int32_t bits) {
1038    ObjectBase::dumpAll(rsc);
1039}
1040
1041void rsi_ContextDestroyWorker(Context *rsc) {
1042    rsc->destroyWorkerThreadResources();;
1043}
1044
1045}
1046}
1047
1048void rsContextDestroy(RsContext vcon) {
1049    LOGV("rsContextDestroy %p", vcon);
1050    Context *rsc = static_cast<Context *>(vcon);
1051    rsContextDestroyWorker(rsc);
1052    delete rsc;
1053    LOGV("rsContextDestroy 2 %p", vcon);
1054}
1055
1056RsContext rsContextCreate(RsDevice vdev, uint32_t version) {
1057    LOGV("rsContextCreate %p", vdev);
1058    Device * dev = static_cast<Device *>(vdev);
1059    Context *rsc = Context::createContext(dev, NULL);
1060    return rsc;
1061}
1062
1063RsContext rsContextCreateGL(RsDevice vdev, uint32_t version, RsSurfaceConfig sc) {
1064    LOGV("rsContextCreateGL %p", vdev);
1065    Device * dev = static_cast<Device *>(vdev);
1066    Context *rsc = Context::createContext(dev, &sc);
1067    LOGV("rsContextCreateGL ret %p ", rsc);
1068    return rsc;
1069}
1070
1071RsMessageToClientType rsContextPeekMessage(RsContext vrsc, size_t *receiveLen, uint32_t *subID, bool wait) {
1072    Context * rsc = static_cast<Context *>(vrsc);
1073    return rsc->peekMessageToClient(receiveLen, subID, wait);
1074}
1075
1076RsMessageToClientType rsContextGetMessage(RsContext vrsc, void *data, size_t *receiveLen, uint32_t *subID, size_t bufferLen, bool wait) {
1077    Context * rsc = static_cast<Context *>(vrsc);
1078    return rsc->getMessageToClient(data, receiveLen, subID, bufferLen, wait);
1079}
1080
1081void rsContextInitToClient(RsContext vrsc) {
1082    Context * rsc = static_cast<Context *>(vrsc);
1083    rsc->initToClient();
1084}
1085
1086void rsContextDeinitToClient(RsContext vrsc) {
1087    Context * rsc = static_cast<Context *>(vrsc);
1088    rsc->deinitToClient();
1089}
1090
1091// Only to be called at a3d load time, before object is visible to user
1092// not thread safe
1093void rsaGetName(RsContext con, void * obj, const char **name) {
1094    ObjectBase *ob = static_cast<ObjectBase *>(obj);
1095    (*name) = ob->getName();
1096}
1097