rsContext.cpp revision 5c0912b4e73981be31c0c53716cc520d84f29092 
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) const {
291    GLenum err = glGetError();
292    if (err != GL_NO_ERROR) {
293        LOGE("%p, GL Error, 0x%x, from %s", this, err, msg);
294    }
295}
296
297uint32_t Context::runRootScript() {
298    glViewport(0, 0, mWidth, mHeight);
299
300    timerSet(RS_TIMER_SCRIPT);
301    mStateFragmentStore.mLast.clear();
302    uint32_t ret = runScript(mRootScript.get());
303
304    checkError("runRootScript");
305    return ret;
306}
307
308uint64_t Context::getTime() const {
309    struct timespec t;
310    clock_gettime(CLOCK_MONOTONIC, &t);
311    return t.tv_nsec + ((uint64_t)t.tv_sec * 1000 * 1000 * 1000);
312}
313
314void Context::timerReset() {
315    for (int ct=0; ct < _RS_TIMER_TOTAL; ct++) {
316        mTimers[ct] = 0;
317    }
318}
319
320void Context::timerInit() {
321    mTimeLast = getTime();
322    mTimeFrame = mTimeLast;
323    mTimeLastFrame = mTimeLast;
324    mTimerActive = RS_TIMER_INTERNAL;
325    mAverageFPSFrameCount = 0;
326    mAverageFPSStartTime = mTimeLast;
327    mAverageFPS = 0;
328    timerReset();
329}
330
331void Context::timerFrame() {
332    mTimeLastFrame = mTimeFrame;
333    mTimeFrame = getTime();
334    // Update average fps
335    const uint64_t averageFramerateInterval = 1000 * 1000000;
336    mAverageFPSFrameCount ++;
337    uint64_t inverval = mTimeFrame - mAverageFPSStartTime;
338    if (inverval >= averageFramerateInterval) {
339        inverval = inverval / 1000000;
340        mAverageFPS = (mAverageFPSFrameCount * 1000) / inverval;
341        mAverageFPSFrameCount = 0;
342        mAverageFPSStartTime = mTimeFrame;
343    }
344}
345
346void Context::timerSet(Timers tm) {
347    uint64_t last = mTimeLast;
348    mTimeLast = getTime();
349    mTimers[mTimerActive] += mTimeLast - last;
350    mTimerActive = tm;
351}
352
353void Context::timerPrint() {
354    double total = 0;
355    for (int ct = 0; ct < _RS_TIMER_TOTAL; ct++) {
356        total += mTimers[ct];
357    }
358    uint64_t frame = mTimeFrame - mTimeLastFrame;
359    mTimeMSLastFrame = frame / 1000000;
360    mTimeMSLastScript = mTimers[RS_TIMER_SCRIPT] / 1000000;
361    mTimeMSLastSwap = mTimers[RS_TIMER_CLEAR_SWAP] / 1000000;
362
363
364    if (props.mLogTimes) {
365        LOGV("RS: Frame (%i),   Script %2.1f%% (%i),  Swap %2.1f%% (%i),  Idle %2.1f%% (%lli),  Internal %2.1f%% (%lli), Avg fps: %u",
366             mTimeMSLastFrame,
367             100.0 * mTimers[RS_TIMER_SCRIPT] / total, mTimeMSLastScript,
368             100.0 * mTimers[RS_TIMER_CLEAR_SWAP] / total, mTimeMSLastSwap,
369             100.0 * mTimers[RS_TIMER_IDLE] / total, mTimers[RS_TIMER_IDLE] / 1000000,
370             100.0 * mTimers[RS_TIMER_INTERNAL] / total, mTimers[RS_TIMER_INTERNAL] / 1000000,
371             mAverageFPS);
372    }
373}
374
375bool Context::setupCheck() {
376    if (!mShaderCache.lookup(this, mVertex.get(), mFragment.get())) {
377        LOGE("Context::setupCheck() 1 fail");
378        return false;
379    }
380
381    mFragmentStore->setupGL2(this, &mStateFragmentStore);
382    mFragment->setupGL2(this, &mStateFragment, &mShaderCache);
383    mRaster->setupGL2(this, &mStateRaster);
384    mVertex->setupGL2(this, &mStateVertex, &mShaderCache);
385    return true;
386}
387
388void Context::setupProgramStore() {
389    mFragmentStore->setupGL2(this, &mStateFragmentStore);
390}
391
392static bool getProp(const char *str) {
393    char buf[PROPERTY_VALUE_MAX];
394    property_get(str, buf, "0");
395    return 0 != strcmp(buf, "0");
396}
397
398void Context::displayDebugStats() {
399    char buffer[128];
400    sprintf(buffer, "Avg fps %u, Frame %i ms, Script %i ms", mAverageFPS, mTimeMSLastFrame, mTimeMSLastScript);
401    float oldR, oldG, oldB, oldA;
402    mStateFont.getFontColor(&oldR, &oldG, &oldB, &oldA);
403    uint32_t bufferLen = strlen(buffer);
404
405    float shadowCol = 0.1f;
406    mStateFont.setFontColor(shadowCol, shadowCol, shadowCol, 1.0f);
407    mStateFont.renderText(buffer, bufferLen, 5, getHeight() - 6);
408
409    mStateFont.setFontColor(1.0f, 0.7f, 0.0f, 1.0f);
410    mStateFont.renderText(buffer, bufferLen, 4, getHeight() - 7);
411
412    mStateFont.setFontColor(oldR, oldG, oldB, oldA);
413}
414
415void * Context::threadProc(void *vrsc) {
416     Context *rsc = static_cast<Context *>(vrsc);
417     rsc->mNativeThreadId = gettid();
418
419     setpriority(PRIO_PROCESS, rsc->mNativeThreadId, ANDROID_PRIORITY_DISPLAY);
420     rsc->mThreadPriority = ANDROID_PRIORITY_DISPLAY;
421
422     rsc->props.mLogTimes = getProp("debug.rs.profile");
423     rsc->props.mLogScripts = getProp("debug.rs.script");
424     rsc->props.mLogObjects = getProp("debug.rs.object");
425     rsc->props.mLogShaders = getProp("debug.rs.shader");
426     rsc->props.mLogShadersAttr = getProp("debug.rs.shader.attributes");
427     rsc->props.mLogShadersUniforms = getProp("debug.rs.shader.uniforms");
428     rsc->props.mLogVisual = getProp("debug.rs.visual");
429
430     rsc->mTlsStruct = new ScriptTLSStruct;
431     if (!rsc->mTlsStruct) {
432         LOGE("Error allocating tls storage");
433         rsc->setError(RS_ERROR_OUT_OF_MEMORY, "Failed allocation for TLS");
434         return NULL;
435     }
436     rsc->mTlsStruct->mContext = rsc;
437     rsc->mTlsStruct->mScript = NULL;
438     int status = pthread_setspecific(rsc->gThreadTLSKey, rsc->mTlsStruct);
439     if (status) {
440         LOGE("pthread_setspecific %i", status);
441     }
442
443     if (!rsc->initGLThread()) {
444         rsc->setError(RS_ERROR_OUT_OF_MEMORY, "Failed initializing GL");
445         return NULL;
446     }
447
448     rsc->mScriptC.init(rsc);
449     if (rsc->mIsGraphicsContext) {
450         rsc->mStateRaster.init(rsc);
451         rsc->setProgramRaster(NULL);
452         rsc->mStateVertex.init(rsc);
453         rsc->setProgramVertex(NULL);
454         rsc->mStateFragment.init(rsc);
455         rsc->setProgramFragment(NULL);
456         rsc->mStateFragmentStore.init(rsc);
457         rsc->setProgramStore(NULL);
458         rsc->mStateFont.init(rsc);
459         rsc->setFont(NULL);
460         rsc->mStateVertexArray.init(rsc);
461     }
462
463     rsc->mRunning = true;
464     bool mDraw = true;
465     while (!rsc->mExit) {
466         mDraw |= rsc->mIO.playCoreCommands(rsc, !mDraw);
467         mDraw &= (rsc->mRootScript.get() != NULL);
468         mDraw &= (rsc->mWndSurface != NULL);
469
470         uint32_t targetTime = 0;
471         if (mDraw && rsc->mIsGraphicsContext) {
472             targetTime = rsc->runRootScript();
473
474             if (rsc->props.mLogVisual) {
475                 rsc->displayDebugStats();
476             }
477
478             mDraw = targetTime && !rsc->mPaused;
479             rsc->timerSet(RS_TIMER_CLEAR_SWAP);
480             eglSwapBuffers(rsc->mEGL.mDisplay, rsc->mEGL.mSurface);
481             rsc->timerFrame();
482             rsc->timerSet(RS_TIMER_INTERNAL);
483             rsc->timerPrint();
484             rsc->timerReset();
485         }
486         if (targetTime > 1) {
487             int32_t t = (targetTime - (int32_t)(rsc->mTimeMSLastScript + rsc->mTimeMSLastSwap)) * 1000;
488             if (t > 0) {
489                 usleep(t);
490             }
491         }
492     }
493
494     LOGV("%p, RS Thread exiting", rsc);
495     if (rsc->mIsGraphicsContext) {
496         rsc->mRaster.clear();
497         rsc->mFragment.clear();
498         rsc->mVertex.clear();
499         rsc->mFragmentStore.clear();
500         rsc->mFont.clear();
501         rsc->mRootScript.clear();
502         rsc->mStateRaster.deinit(rsc);
503         rsc->mStateVertex.deinit(rsc);
504         rsc->mStateFragment.deinit(rsc);
505         rsc->mStateFragmentStore.deinit(rsc);
506         rsc->mStateFont.deinit(rsc);
507     }
508     ObjectBase::zeroAllUserRef(rsc);
509
510     if (rsc->mIsGraphicsContext) {
511         pthread_mutex_lock(&gInitMutex);
512         rsc->deinitEGL();
513         pthread_mutex_unlock(&gInitMutex);
514     }
515     delete rsc->mTlsStruct;
516
517     LOGV("%p, RS Thread exited", rsc);
518     return NULL;
519}
520
521void * Context::helperThreadProc(void *vrsc) {
522     Context *rsc = static_cast<Context *>(vrsc);
523     uint32_t idx = (uint32_t)android_atomic_inc(&rsc->mWorkers.mLaunchCount);
524
525     LOGV("RS helperThread starting %p idx=%i", rsc, idx);
526
527     rsc->mWorkers.mLaunchSignals[idx].init();
528     rsc->mWorkers.mNativeThreadId[idx] = gettid();
529
530#if 0
531     typedef struct {uint64_t bits[1024 / 64]; } cpu_set_t;
532     cpu_set_t cpuset;
533     memset(&cpuset, 0, sizeof(cpuset));
534     cpuset.bits[idx / 64] |= 1ULL << (idx % 64);
535     int ret = syscall(241, rsc->mWorkers.mNativeThreadId[idx],
536               sizeof(cpuset), &cpuset);
537     LOGE("SETAFFINITY ret = %i %s", ret, EGLUtils::strerror(ret));
538#endif
539
540     setpriority(PRIO_PROCESS, rsc->mWorkers.mNativeThreadId[idx], rsc->mThreadPriority);
541     int status = pthread_setspecific(rsc->gThreadTLSKey, rsc->mTlsStruct);
542     if (status) {
543         LOGE("pthread_setspecific %i", status);
544     }
545
546     while (rsc->mRunning) {
547         rsc->mWorkers.mLaunchSignals[idx].wait();
548         if (rsc->mWorkers.mLaunchCallback) {
549            rsc->mWorkers.mLaunchCallback(rsc->mWorkers.mLaunchData, idx);
550         }
551         android_atomic_dec(&rsc->mWorkers.mRunningCount);
552         rsc->mWorkers.mCompleteSignal.set();
553     }
554
555     LOGV("RS helperThread exiting %p idx=%i", rsc, idx);
556     return NULL;
557}
558
559void Context::launchThreads(WorkerCallback_t cbk, void *data) {
560    mWorkers.mLaunchData = data;
561    mWorkers.mLaunchCallback = cbk;
562    mWorkers.mRunningCount = (int)mWorkers.mCount;
563    for (uint32_t ct = 0; ct < mWorkers.mCount; ct++) {
564        mWorkers.mLaunchSignals[ct].set();
565    }
566    while (mWorkers.mRunningCount) {
567        mWorkers.mCompleteSignal.wait();
568    }
569}
570
571void Context::setPriority(int32_t p) {
572    // Note: If we put this in the proper "background" policy
573    // the wallpapers can become completly unresponsive at times.
574    // This is probably not what we want for something the user is actively
575    // looking at.
576    mThreadPriority = p;
577#if 0
578    SchedPolicy pol = SP_FOREGROUND;
579    if (p > 0) {
580        pol = SP_BACKGROUND;
581    }
582    if (!set_sched_policy(mNativeThreadId, pol)) {
583        // success; reset the priority as well
584    }
585#else
586    setpriority(PRIO_PROCESS, mNativeThreadId, p);
587    for (uint32_t ct=0; ct < mWorkers.mCount; ct++) {
588        setpriority(PRIO_PROCESS, mWorkers.mNativeThreadId[ct], p);
589    }
590#endif
591}
592
593Context::Context() {
594    mDev = NULL;
595    mRunning = false;
596    mExit = false;
597    mPaused = false;
598    mObjHead = NULL;
599    mError = RS_ERROR_NONE;
600    mErrorMsg = NULL;
601}
602
603Context * Context::createContext(Device *dev, const RsSurfaceConfig *sc) {
604    Context * rsc = new Context();
605    if (!rsc->initContext(dev, sc)) {
606        delete rsc;
607        return NULL;
608    }
609    return rsc;
610}
611
612bool Context::initContext(Device *dev, const RsSurfaceConfig *sc) {
613    pthread_mutex_lock(&gInitMutex);
614
615    dev->addContext(this);
616    mDev = dev;
617    if (sc) {
618        mUserSurfaceConfig = *sc;
619    } else {
620        memset(&mUserSurfaceConfig, 0, sizeof(mUserSurfaceConfig));
621    }
622
623    memset(&mEGL, 0, sizeof(mEGL));
624    memset(&mGL, 0, sizeof(mGL));
625    mIsGraphicsContext = sc != NULL;
626
627    int status;
628    pthread_attr_t threadAttr;
629
630    if (!gThreadTLSKeyCount) {
631        status = pthread_key_create(&gThreadTLSKey, NULL);
632        if (status) {
633            LOGE("Failed to init thread tls key.");
634            pthread_mutex_unlock(&gInitMutex);
635            return false;
636        }
637    }
638    gThreadTLSKeyCount++;
639
640    pthread_mutex_unlock(&gInitMutex);
641
642    // Global init done at this point.
643
644    status = pthread_attr_init(&threadAttr);
645    if (status) {
646        LOGE("Failed to init thread attribute.");
647        return false;
648    }
649
650    mWndSurface = NULL;
651
652    timerInit();
653    timerSet(RS_TIMER_INTERNAL);
654
655    int cpu = sysconf(_SC_NPROCESSORS_ONLN);
656    LOGV("RS Launching thread(s), reported CPU count %i", cpu);
657    if (cpu < 2) cpu = 0;
658
659    mWorkers.mCount = (uint32_t)cpu;
660    mWorkers.mThreadId = (pthread_t *) calloc(mWorkers.mCount, sizeof(pthread_t));
661    mWorkers.mNativeThreadId = (pid_t *) calloc(mWorkers.mCount, sizeof(pid_t));
662    mWorkers.mLaunchSignals = new Signal[mWorkers.mCount];
663    mWorkers.mLaunchCallback = NULL;
664    status = pthread_create(&mThreadId, &threadAttr, threadProc, this);
665    if (status) {
666        LOGE("Failed to start rs context thread.");
667        return false;
668    }
669    while (!mRunning && (mError == RS_ERROR_NONE)) {
670        usleep(100);
671    }
672
673    if (mError != RS_ERROR_NONE) {
674        return false;
675    }
676
677    mWorkers.mCompleteSignal.init();
678    mWorkers.mRunningCount = 0;
679    mWorkers.mLaunchCount = 0;
680    for (uint32_t ct=0; ct < mWorkers.mCount; ct++) {
681        status = pthread_create(&mWorkers.mThreadId[ct], &threadAttr, helperThreadProc, this);
682        if (status) {
683            mWorkers.mCount = ct;
684            LOGE("Created fewer than expected number of RS threads.");
685            break;
686        }
687    }
688    pthread_attr_destroy(&threadAttr);
689    return true;
690}
691
692Context::~Context() {
693    LOGV("Context::~Context");
694    mExit = true;
695    mPaused = false;
696    void *res;
697
698    mIO.shutdown();
699    int status = pthread_join(mThreadId, &res);
700
701    // Global structure cleanup.
702    pthread_mutex_lock(&gInitMutex);
703    if (mDev) {
704        mDev->removeContext(this);
705        --gThreadTLSKeyCount;
706        if (!gThreadTLSKeyCount) {
707            pthread_key_delete(gThreadTLSKey);
708        }
709        mDev = NULL;
710    }
711    pthread_mutex_unlock(&gInitMutex);
712}
713
714void Context::setSurface(uint32_t w, uint32_t h, ANativeWindow *sur) {
715    rsAssert(mIsGraphicsContext);
716
717    EGLBoolean ret;
718    if (mEGL.mSurface != NULL) {
719        ret = eglMakeCurrent(mEGL.mDisplay, mEGL.mSurfaceDefault, mEGL.mSurfaceDefault, mEGL.mContext);
720        checkEglError("eglMakeCurrent", ret);
721
722        ret = eglDestroySurface(mEGL.mDisplay, mEGL.mSurface);
723        checkEglError("eglDestroySurface", ret);
724
725        mEGL.mSurface = NULL;
726        mWidth = 1;
727        mHeight = 1;
728    }
729
730    mWndSurface = sur;
731    if (mWndSurface != NULL) {
732        mWidth = w;
733        mHeight = h;
734
735        mEGL.mSurface = eglCreateWindowSurface(mEGL.mDisplay, mEGL.mConfig, mWndSurface, NULL);
736        checkEglError("eglCreateWindowSurface");
737        if (mEGL.mSurface == EGL_NO_SURFACE) {
738            LOGE("eglCreateWindowSurface returned EGL_NO_SURFACE");
739        }
740
741        ret = eglMakeCurrent(mEGL.mDisplay, mEGL.mSurface, mEGL.mSurface, mEGL.mContext);
742        checkEglError("eglMakeCurrent", ret);
743
744        mStateVertex.updateSize(this);
745    }
746}
747
748void Context::pause() {
749    rsAssert(mIsGraphicsContext);
750    mPaused = true;
751}
752
753void Context::resume() {
754    rsAssert(mIsGraphicsContext);
755    mPaused = false;
756}
757
758void Context::setRootScript(Script *s) {
759    rsAssert(mIsGraphicsContext);
760    mRootScript.set(s);
761}
762
763void Context::setProgramStore(ProgramStore *pfs) {
764    rsAssert(mIsGraphicsContext);
765    if (pfs == NULL) {
766        mFragmentStore.set(mStateFragmentStore.mDefault);
767    } else {
768        mFragmentStore.set(pfs);
769    }
770}
771
772void Context::setProgramFragment(ProgramFragment *pf) {
773    rsAssert(mIsGraphicsContext);
774    if (pf == NULL) {
775        mFragment.set(mStateFragment.mDefault);
776    } else {
777        mFragment.set(pf);
778    }
779}
780
781void Context::setProgramRaster(ProgramRaster *pr) {
782    rsAssert(mIsGraphicsContext);
783    if (pr == NULL) {
784        mRaster.set(mStateRaster.mDefault);
785    } else {
786        mRaster.set(pr);
787    }
788}
789
790void Context::setProgramVertex(ProgramVertex *pv) {
791    rsAssert(mIsGraphicsContext);
792    if (pv == NULL) {
793        mVertex.set(mStateVertex.mDefault);
794    } else {
795        mVertex.set(pv);
796    }
797}
798
799void Context::setFont(Font *f) {
800    rsAssert(mIsGraphicsContext);
801    if (f == NULL) {
802        mFont.set(mStateFont.mDefault);
803    } else {
804        mFont.set(f);
805    }
806}
807
808void Context::assignName(ObjectBase *obj, const char *name, uint32_t len) {
809    rsAssert(!obj->getName());
810    obj->setName(name, len);
811    mNames.add(obj);
812}
813
814void Context::removeName(ObjectBase *obj) {
815    for (size_t ct=0; ct < mNames.size(); ct++) {
816        if (obj == mNames[ct]) {
817            mNames.removeAt(ct);
818            return;
819        }
820    }
821}
822
823RsMessageToClientType Context::peekMessageToClient(size_t *receiveLen, uint32_t *subID, bool wait) {
824    *receiveLen = 0;
825    if (!wait && mIO.mToClient.isEmpty()) {
826        return RS_MESSAGE_TO_CLIENT_NONE;
827    }
828
829    uint32_t bytesData = 0;
830    uint32_t commandID = 0;
831    const uint32_t *d = (const uint32_t *)mIO.mToClient.get(&commandID, &bytesData);
832    *receiveLen = bytesData - sizeof(uint32_t);
833    if (bytesData) {
834        *subID = d[0];
835    }
836    return (RsMessageToClientType)commandID;
837}
838
839RsMessageToClientType Context::getMessageToClient(void *data, size_t *receiveLen, uint32_t *subID, size_t bufferLen, bool wait) {
840    //LOGE("getMessageToClient %i %i", bufferLen, wait);
841    *receiveLen = 0;
842    if (!wait && mIO.mToClient.isEmpty()) {
843        return RS_MESSAGE_TO_CLIENT_NONE;
844    }
845
846    //LOGE("getMessageToClient 2 con=%p", this);
847    uint32_t bytesData = 0;
848    uint32_t commandID = 0;
849    const uint32_t *d = (const uint32_t *)mIO.mToClient.get(&commandID, &bytesData);
850    //LOGE("getMessageToClient 3    %i  %i", commandID, bytesData);
851
852    *receiveLen = bytesData - sizeof(uint32_t);
853    *subID = d[0];
854
855    //LOGE("getMessageToClient  %i %i", commandID, *subID);
856    if (bufferLen >= bytesData) {
857        memcpy(data, d+1, *receiveLen);
858        mIO.mToClient.next();
859        return (RsMessageToClientType)commandID;
860    }
861    return RS_MESSAGE_TO_CLIENT_RESIZE;
862}
863
864bool Context::sendMessageToClient(const void *data, RsMessageToClientType cmdID, uint32_t subID, size_t len, bool waitForSpace) {
865    //LOGE("sendMessageToClient %i %i %i %i", cmdID, subID, len, waitForSpace);
866    if (cmdID == 0) {
867        LOGE("Attempting to send invalid command 0 to client.");
868        return false;
869    }
870    if (!waitForSpace) {
871        if (!mIO.mToClient.makeSpaceNonBlocking(len + 12)) {
872            // Not enough room, and not waiting.
873            return false;
874        }
875    }
876    //LOGE("sendMessageToClient 2");
877    uint32_t *p = (uint32_t *)mIO.mToClient.reserve(len + sizeof(subID));
878    p[0] = subID;
879    if (len > 0) {
880        memcpy(p+1, data, len);
881    }
882    mIO.mToClient.commit(cmdID, len + sizeof(subID));
883    //LOGE("sendMessageToClient 3");
884    return true;
885}
886
887void Context::initToClient() {
888    while (!mRunning) {
889        usleep(100);
890    }
891}
892
893void Context::deinitToClient() {
894    mIO.mToClient.shutdown();
895}
896
897const char * Context::getError(RsError *err) {
898    *err = mError;
899    mError = RS_ERROR_NONE;
900    if (*err != RS_ERROR_NONE) {
901        return mErrorMsg;
902    }
903    return NULL;
904}
905
906void Context::setError(RsError e, const char *msg) {
907    mError = e;
908    mErrorMsg = msg;
909    sendMessageToClient(msg, RS_MESSAGE_TO_CLIENT_ERROR, e, strlen(msg) + 1, true);
910}
911
912
913void Context::dumpDebug() const {
914    LOGE("RS Context debug %p", this);
915    LOGE("RS Context debug");
916
917    LOGE(" EGL ver %i %i", mEGL.mMajorVersion, mEGL.mMinorVersion);
918    LOGE(" EGL context %p  surface %p,  Display=%p", mEGL.mContext, mEGL.mSurface, mEGL.mDisplay);
919    LOGE(" GL vendor: %s", mGL.mVendor);
920    LOGE(" GL renderer: %s", mGL.mRenderer);
921    LOGE(" GL Version: %s", mGL.mVersion);
922    LOGE(" GL Extensions: %s", mGL.mExtensions);
923    LOGE(" GL int Versions %i %i", mGL.mMajorVersion, mGL.mMinorVersion);
924    LOGE(" RS width %i, height %i", mWidth, mHeight);
925    LOGE(" RS running %i, exit %i, paused %i", mRunning, mExit, mPaused);
926    LOGE(" RS pThreadID %li, nativeThreadID %i", mThreadId, mNativeThreadId);
927
928    LOGV("MAX Textures %i, %i  %i", mGL.mMaxVertexTextureUnits, mGL.mMaxFragmentTextureImageUnits, mGL.mMaxTextureImageUnits);
929    LOGV("MAX Attribs %i", mGL.mMaxVertexAttribs);
930    LOGV("MAX Uniforms %i, %i", mGL.mMaxVertexUniformVectors, mGL.mMaxFragmentUniformVectors);
931    LOGV("MAX Varyings %i", mGL.mMaxVaryingVectors);
932}
933
934///////////////////////////////////////////////////////////////////////////////////////////
935//
936
937namespace android {
938namespace renderscript {
939
940void rsi_ContextFinish(Context *rsc) {
941}
942
943void rsi_ContextBindRootScript(Context *rsc, RsScript vs) {
944    Script *s = static_cast<Script *>(vs);
945    rsc->setRootScript(s);
946}
947
948void rsi_ContextBindSampler(Context *rsc, uint32_t slot, RsSampler vs) {
949    Sampler *s = static_cast<Sampler *>(vs);
950
951    if (slot > RS_MAX_SAMPLER_SLOT) {
952        LOGE("Invalid sampler slot");
953        return;
954    }
955
956    s->bindToContext(&rsc->mStateSampler, slot);
957}
958
959void rsi_ContextBindProgramStore(Context *rsc, RsProgramStore vpfs) {
960    ProgramStore *pfs = static_cast<ProgramStore *>(vpfs);
961    rsc->setProgramStore(pfs);
962}
963
964void rsi_ContextBindProgramFragment(Context *rsc, RsProgramFragment vpf) {
965    ProgramFragment *pf = static_cast<ProgramFragment *>(vpf);
966    rsc->setProgramFragment(pf);
967}
968
969void rsi_ContextBindProgramRaster(Context *rsc, RsProgramRaster vpr) {
970    ProgramRaster *pr = static_cast<ProgramRaster *>(vpr);
971    rsc->setProgramRaster(pr);
972}
973
974void rsi_ContextBindProgramVertex(Context *rsc, RsProgramVertex vpv) {
975    ProgramVertex *pv = static_cast<ProgramVertex *>(vpv);
976    rsc->setProgramVertex(pv);
977}
978
979void rsi_ContextBindFont(Context *rsc, RsFont vfont) {
980    Font *font = static_cast<Font *>(vfont);
981    rsc->setFont(font);
982}
983
984void rsi_AssignName(Context *rsc, void * obj, const char *name, uint32_t len) {
985    ObjectBase *ob = static_cast<ObjectBase *>(obj);
986    rsc->assignName(ob, name, len);
987}
988
989void rsi_ObjDestroy(Context *rsc, void *optr) {
990    ObjectBase *ob = static_cast<ObjectBase *>(optr);
991    rsc->removeName(ob);
992    ob->decUserRef();
993}
994
995void rsi_ContextPause(Context *rsc) {
996    rsc->pause();
997}
998
999void rsi_ContextResume(Context *rsc) {
1000    rsc->resume();
1001}
1002
1003void rsi_ContextSetSurface(Context *rsc, uint32_t w, uint32_t h, ANativeWindow *sur) {
1004    rsc->setSurface(w, h, sur);
1005}
1006
1007void rsi_ContextSetPriority(Context *rsc, int32_t p) {
1008    rsc->setPriority(p);
1009}
1010
1011void rsi_ContextDump(Context *rsc, int32_t bits) {
1012    ObjectBase::dumpAll(rsc);
1013}
1014
1015const char* rsi_ContextGetError(Context *rsc, RsError *e) {
1016    const char *msg = rsc->getError(e);
1017    if (*e != RS_ERROR_NONE) {
1018        LOGE("RS Error %i %s", *e, msg);
1019    }
1020    return msg;
1021}
1022
1023}
1024}
1025
1026
1027RsContext rsContextCreate(RsDevice vdev, uint32_t version) {
1028    LOGV("rsContextCreate %p", vdev);
1029    Device * dev = static_cast<Device *>(vdev);
1030    Context *rsc = Context::createContext(dev, NULL);
1031    return rsc;
1032}
1033
1034RsContext rsContextCreateGL(RsDevice vdev, uint32_t version, RsSurfaceConfig sc) {
1035    LOGV("rsContextCreateGL %p", vdev);
1036    Device * dev = static_cast<Device *>(vdev);
1037    Context *rsc = Context::createContext(dev, &sc);
1038    LOGV("rsContextCreateGL ret %p ", rsc);
1039    return rsc;
1040}
1041
1042void rsContextDestroy(RsContext vrsc) {
1043    Context * rsc = static_cast<Context *>(vrsc);
1044    delete rsc;
1045}
1046
1047RsMessageToClientType rsContextPeekMessage(RsContext vrsc, size_t *receiveLen, uint32_t *subID, bool wait) {
1048    Context * rsc = static_cast<Context *>(vrsc);
1049    return rsc->peekMessageToClient(receiveLen, subID, wait);
1050}
1051
1052RsMessageToClientType rsContextGetMessage(RsContext vrsc, void *data, size_t *receiveLen, uint32_t *subID, size_t bufferLen, bool wait) {
1053    Context * rsc = static_cast<Context *>(vrsc);
1054    return rsc->getMessageToClient(data, receiveLen, subID, bufferLen, wait);
1055}
1056
1057void rsContextInitToClient(RsContext vrsc) {
1058    Context * rsc = static_cast<Context *>(vrsc);
1059    rsc->initToClient();
1060}
1061
1062void rsContextDeinitToClient(RsContext vrsc) {
1063    Context * rsc = static_cast<Context *>(vrsc);
1064    rsc->deinitToClient();
1065}
1066
1067// Only to be called at a3d load time, before object is visible to user
1068// not thread safe
1069void rsaGetName(RsContext con, void * obj, const char **name) {
1070    ObjectBase *ob = static_cast<ObjectBase *>(obj);
1071    (*name) = ob->getName();
1072}
1073