1/* 2 * Copyright (C) 2007 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#define LOG_NDEBUG 0 18#define LOG_TAG "BootAnimation" 19 20#include <stdint.h> 21#include <sys/types.h> 22#include <math.h> 23#include <fcntl.h> 24#include <utils/misc.h> 25#include <signal.h> 26 27#include <cutils/properties.h> 28 29#include <androidfw/AssetManager.h> 30#include <binder/IPCThreadState.h> 31#include <utils/Atomic.h> 32#include <utils/Errors.h> 33#include <utils/Log.h> 34 35#include <ui/PixelFormat.h> 36#include <ui/Rect.h> 37#include <ui/Region.h> 38#include <ui/DisplayInfo.h> 39 40#include <gui/ISurfaceComposer.h> 41#include <gui/Surface.h> 42#include <gui/SurfaceComposerClient.h> 43 44#include <SkBitmap.h> 45#include <SkStream.h> 46#include <SkImageDecoder.h> 47 48#include <GLES/gl.h> 49#include <GLES/glext.h> 50#include <EGL/eglext.h> 51 52#include "BootAnimation.h" 53#include "AudioPlayer.h" 54 55#define OEM_BOOTANIMATION_FILE "/oem/media/bootanimation.zip" 56#define SYSTEM_BOOTANIMATION_FILE "/system/media/bootanimation.zip" 57#define SYSTEM_ENCRYPTED_BOOTANIMATION_FILE "/system/media/bootanimation-encrypted.zip" 58#define EXIT_PROP_NAME "service.bootanim.exit" 59 60extern "C" int clock_nanosleep(clockid_t clock_id, int flags, 61 const struct timespec *request, 62 struct timespec *remain); 63 64namespace android { 65 66static const int ANIM_ENTRY_NAME_MAX = 256; 67 68// --------------------------------------------------------------------------- 69 70BootAnimation::BootAnimation() : Thread(false), mZip(NULL) 71{ 72 mSession = new SurfaceComposerClient(); 73} 74 75BootAnimation::~BootAnimation() { 76 if (mZip != NULL) { 77 delete mZip; 78 } 79} 80 81void BootAnimation::onFirstRef() { 82 status_t err = mSession->linkToComposerDeath(this); 83 ALOGE_IF(err, "linkToComposerDeath failed (%s) ", strerror(-err)); 84 if (err == NO_ERROR) { 85 run("BootAnimation", PRIORITY_DISPLAY); 86 } 87} 88 89sp<SurfaceComposerClient> BootAnimation::session() const { 90 return mSession; 91} 92 93 94void BootAnimation::binderDied(const wp<IBinder>&) 95{ 96 // woah, surfaceflinger died! 97 ALOGD("SurfaceFlinger died, exiting..."); 98 99 // calling requestExit() is not enough here because the Surface code 100 // might be blocked on a condition variable that will never be updated. 101 kill( getpid(), SIGKILL ); 102 requestExit(); 103 if (mAudioPlayer != NULL) { 104 mAudioPlayer->requestExit(); 105 } 106} 107 108status_t BootAnimation::initTexture(Texture* texture, AssetManager& assets, 109 const char* name) { 110 Asset* asset = assets.open(name, Asset::ACCESS_BUFFER); 111 if (!asset) 112 return NO_INIT; 113 SkBitmap bitmap; 114 SkImageDecoder::DecodeMemory(asset->getBuffer(false), asset->getLength(), 115 &bitmap, kUnknown_SkColorType, SkImageDecoder::kDecodePixels_Mode); 116 asset->close(); 117 delete asset; 118 119 // ensure we can call getPixels(). No need to call unlock, since the 120 // bitmap will go out of scope when we return from this method. 121 bitmap.lockPixels(); 122 123 const int w = bitmap.width(); 124 const int h = bitmap.height(); 125 const void* p = bitmap.getPixels(); 126 127 GLint crop[4] = { 0, h, w, -h }; 128 texture->w = w; 129 texture->h = h; 130 131 glGenTextures(1, &texture->name); 132 glBindTexture(GL_TEXTURE_2D, texture->name); 133 134 switch (bitmap.colorType()) { 135 case kAlpha_8_SkColorType: 136 glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, w, h, 0, GL_ALPHA, 137 GL_UNSIGNED_BYTE, p); 138 break; 139 case kARGB_4444_SkColorType: 140 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, GL_RGBA, 141 GL_UNSIGNED_SHORT_4_4_4_4, p); 142 break; 143 case kN32_SkColorType: 144 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, GL_RGBA, 145 GL_UNSIGNED_BYTE, p); 146 break; 147 case kRGB_565_SkColorType: 148 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, w, h, 0, GL_RGB, 149 GL_UNSIGNED_SHORT_5_6_5, p); 150 break; 151 default: 152 break; 153 } 154 155 glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop); 156 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); 157 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); 158 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); 159 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); 160 return NO_ERROR; 161} 162 163status_t BootAnimation::initTexture(const Animation::Frame& frame) 164{ 165 //StopWatch watch("blah"); 166 167 SkBitmap bitmap; 168 SkMemoryStream stream(frame.map->getDataPtr(), frame.map->getDataLength()); 169 SkImageDecoder* codec = SkImageDecoder::Factory(&stream); 170 if (codec) { 171 codec->setDitherImage(false); 172 codec->decode(&stream, &bitmap, 173 kN32_SkColorType, 174 SkImageDecoder::kDecodePixels_Mode); 175 delete codec; 176 } 177 178 // FileMap memory is never released until application exit. 179 // Release it now as the texture is already loaded and the memory used for 180 // the packed resource can be released. 181 frame.map->release(); 182 183 // ensure we can call getPixels(). No need to call unlock, since the 184 // bitmap will go out of scope when we return from this method. 185 bitmap.lockPixels(); 186 187 const int w = bitmap.width(); 188 const int h = bitmap.height(); 189 const void* p = bitmap.getPixels(); 190 191 GLint crop[4] = { 0, h, w, -h }; 192 int tw = 1 << (31 - __builtin_clz(w)); 193 int th = 1 << (31 - __builtin_clz(h)); 194 if (tw < w) tw <<= 1; 195 if (th < h) th <<= 1; 196 197 switch (bitmap.colorType()) { 198 case kN32_SkColorType: 199 if (tw != w || th != h) { 200 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, tw, th, 0, GL_RGBA, 201 GL_UNSIGNED_BYTE, 0); 202 glTexSubImage2D(GL_TEXTURE_2D, 0, 203 0, 0, w, h, GL_RGBA, GL_UNSIGNED_BYTE, p); 204 } else { 205 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, tw, th, 0, GL_RGBA, 206 GL_UNSIGNED_BYTE, p); 207 } 208 break; 209 210 case kRGB_565_SkColorType: 211 if (tw != w || th != h) { 212 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, tw, th, 0, GL_RGB, 213 GL_UNSIGNED_SHORT_5_6_5, 0); 214 glTexSubImage2D(GL_TEXTURE_2D, 0, 215 0, 0, w, h, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, p); 216 } else { 217 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, tw, th, 0, GL_RGB, 218 GL_UNSIGNED_SHORT_5_6_5, p); 219 } 220 break; 221 default: 222 break; 223 } 224 225 glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop); 226 227 return NO_ERROR; 228} 229 230status_t BootAnimation::readyToRun() { 231 mAssets.addDefaultAssets(); 232 233 sp<IBinder> dtoken(SurfaceComposerClient::getBuiltInDisplay( 234 ISurfaceComposer::eDisplayIdMain)); 235 DisplayInfo dinfo; 236 status_t status = SurfaceComposerClient::getDisplayInfo(dtoken, &dinfo); 237 if (status) 238 return -1; 239 240 // create the native surface 241 sp<SurfaceControl> control = session()->createSurface(String8("BootAnimation"), 242 dinfo.w, dinfo.h, PIXEL_FORMAT_RGB_565); 243 244 SurfaceComposerClient::openGlobalTransaction(); 245 control->setLayer(0x40000000); 246 SurfaceComposerClient::closeGlobalTransaction(); 247 248 sp<Surface> s = control->getSurface(); 249 250 // initialize opengl and egl 251 const EGLint attribs[] = { 252 EGL_RED_SIZE, 8, 253 EGL_GREEN_SIZE, 8, 254 EGL_BLUE_SIZE, 8, 255 EGL_DEPTH_SIZE, 0, 256 EGL_NONE 257 }; 258 EGLint w, h, dummy; 259 EGLint numConfigs; 260 EGLConfig config; 261 EGLSurface surface; 262 EGLContext context; 263 264 EGLDisplay display = eglGetDisplay(EGL_DEFAULT_DISPLAY); 265 266 eglInitialize(display, 0, 0); 267 eglChooseConfig(display, attribs, &config, 1, &numConfigs); 268 surface = eglCreateWindowSurface(display, config, s.get(), NULL); 269 context = eglCreateContext(display, config, NULL, NULL); 270 eglQuerySurface(display, surface, EGL_WIDTH, &w); 271 eglQuerySurface(display, surface, EGL_HEIGHT, &h); 272 273 if (eglMakeCurrent(display, surface, surface, context) == EGL_FALSE) 274 return NO_INIT; 275 276 mDisplay = display; 277 mContext = context; 278 mSurface = surface; 279 mWidth = w; 280 mHeight = h; 281 mFlingerSurfaceControl = control; 282 mFlingerSurface = s; 283 284 // If the device has encryption turned on or is in process 285 // of being encrypted we show the encrypted boot animation. 286 char decrypt[PROPERTY_VALUE_MAX]; 287 property_get("vold.decrypt", decrypt, ""); 288 289 bool encryptedAnimation = atoi(decrypt) != 0 || !strcmp("trigger_restart_min_framework", decrypt); 290 291 ZipFileRO* zipFile = NULL; 292 if ((encryptedAnimation && 293 (access(SYSTEM_ENCRYPTED_BOOTANIMATION_FILE, R_OK) == 0) && 294 ((zipFile = ZipFileRO::open(SYSTEM_ENCRYPTED_BOOTANIMATION_FILE)) != NULL)) || 295 296 ((access(OEM_BOOTANIMATION_FILE, R_OK) == 0) && 297 ((zipFile = ZipFileRO::open(OEM_BOOTANIMATION_FILE)) != NULL)) || 298 299 ((access(SYSTEM_BOOTANIMATION_FILE, R_OK) == 0) && 300 ((zipFile = ZipFileRO::open(SYSTEM_BOOTANIMATION_FILE)) != NULL))) { 301 mZip = zipFile; 302 } 303 304 return NO_ERROR; 305} 306 307bool BootAnimation::threadLoop() 308{ 309 bool r; 310 // We have no bootanimation file, so we use the stock android logo 311 // animation. 312 if (mZip == NULL) { 313 r = android(); 314 } else { 315 r = movie(); 316 } 317 318 eglMakeCurrent(mDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT); 319 eglDestroyContext(mDisplay, mContext); 320 eglDestroySurface(mDisplay, mSurface); 321 mFlingerSurface.clear(); 322 mFlingerSurfaceControl.clear(); 323 eglTerminate(mDisplay); 324 IPCThreadState::self()->stopProcess(); 325 return r; 326} 327 328bool BootAnimation::android() 329{ 330 initTexture(&mAndroid[0], mAssets, "images/android-logo-mask.png"); 331 initTexture(&mAndroid[1], mAssets, "images/android-logo-shine.png"); 332 333 // clear screen 334 glShadeModel(GL_FLAT); 335 glDisable(GL_DITHER); 336 glDisable(GL_SCISSOR_TEST); 337 glClearColor(0,0,0,1); 338 glClear(GL_COLOR_BUFFER_BIT); 339 eglSwapBuffers(mDisplay, mSurface); 340 341 glEnable(GL_TEXTURE_2D); 342 glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); 343 344 const GLint xc = (mWidth - mAndroid[0].w) / 2; 345 const GLint yc = (mHeight - mAndroid[0].h) / 2; 346 const Rect updateRect(xc, yc, xc + mAndroid[0].w, yc + mAndroid[0].h); 347 348 glScissor(updateRect.left, mHeight - updateRect.bottom, updateRect.width(), 349 updateRect.height()); 350 351 // Blend state 352 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); 353 glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); 354 355 const nsecs_t startTime = systemTime(); 356 do { 357 nsecs_t now = systemTime(); 358 double time = now - startTime; 359 float t = 4.0f * float(time / us2ns(16667)) / mAndroid[1].w; 360 GLint offset = (1 - (t - floorf(t))) * mAndroid[1].w; 361 GLint x = xc - offset; 362 363 glDisable(GL_SCISSOR_TEST); 364 glClear(GL_COLOR_BUFFER_BIT); 365 366 glEnable(GL_SCISSOR_TEST); 367 glDisable(GL_BLEND); 368 glBindTexture(GL_TEXTURE_2D, mAndroid[1].name); 369 glDrawTexiOES(x, yc, 0, mAndroid[1].w, mAndroid[1].h); 370 glDrawTexiOES(x + mAndroid[1].w, yc, 0, mAndroid[1].w, mAndroid[1].h); 371 372 glEnable(GL_BLEND); 373 glBindTexture(GL_TEXTURE_2D, mAndroid[0].name); 374 glDrawTexiOES(xc, yc, 0, mAndroid[0].w, mAndroid[0].h); 375 376 EGLBoolean res = eglSwapBuffers(mDisplay, mSurface); 377 if (res == EGL_FALSE) 378 break; 379 380 // 12fps: don't animate too fast to preserve CPU 381 const nsecs_t sleepTime = 83333 - ns2us(systemTime() - now); 382 if (sleepTime > 0) 383 usleep(sleepTime); 384 385 checkExit(); 386 } while (!exitPending()); 387 388 glDeleteTextures(1, &mAndroid[0].name); 389 glDeleteTextures(1, &mAndroid[1].name); 390 return false; 391} 392 393 394void BootAnimation::checkExit() { 395 // Allow surface flinger to gracefully request shutdown 396 char value[PROPERTY_VALUE_MAX]; 397 property_get(EXIT_PROP_NAME, value, "0"); 398 int exitnow = atoi(value); 399 if (exitnow) { 400 requestExit(); 401 if (mAudioPlayer != NULL) { 402 mAudioPlayer->requestExit(); 403 } 404 } 405} 406 407// Parse a color represented as an HTML-style 'RRGGBB' string: each pair of 408// characters in str is a hex number in [0, 255], which are converted to 409// floating point values in the range [0.0, 1.0] and placed in the 410// corresponding elements of color. 411// 412// If the input string isn't valid, parseColor returns false and color is 413// left unchanged. 414static bool parseColor(const char str[7], float color[3]) { 415 float tmpColor[3]; 416 for (int i = 0; i < 3; i++) { 417 int val = 0; 418 for (int j = 0; j < 2; j++) { 419 val *= 16; 420 char c = str[2*i + j]; 421 if (c >= '0' && c <= '9') val += c - '0'; 422 else if (c >= 'A' && c <= 'F') val += (c - 'A') + 10; 423 else if (c >= 'a' && c <= 'f') val += (c - 'a') + 10; 424 else return false; 425 } 426 tmpColor[i] = static_cast<float>(val) / 255.0f; 427 } 428 memcpy(color, tmpColor, sizeof(tmpColor)); 429 return true; 430} 431 432bool BootAnimation::readFile(const char* name, String8& outString) 433{ 434 ZipEntryRO entry = mZip->findEntryByName(name); 435 ALOGE_IF(!entry, "couldn't find %s", name); 436 if (!entry) { 437 return false; 438 } 439 440 FileMap* entryMap = mZip->createEntryFileMap(entry); 441 mZip->releaseEntry(entry); 442 ALOGE_IF(!entryMap, "entryMap is null"); 443 if (!entryMap) { 444 return false; 445 } 446 447 outString.setTo((char const*)entryMap->getDataPtr(), entryMap->getDataLength()); 448 entryMap->release(); 449 return true; 450} 451 452bool BootAnimation::movie() 453{ 454 String8 desString; 455 456 if (!readFile("desc.txt", desString)) { 457 return false; 458 } 459 char const* s = desString.string(); 460 461 // Create and initialize an AudioPlayer if we have an audio_conf.txt file 462 String8 audioConf; 463 if (readFile("audio_conf.txt", audioConf)) { 464 mAudioPlayer = new AudioPlayer; 465 if (!mAudioPlayer->init(audioConf.string())) { 466 ALOGE("mAudioPlayer.init failed"); 467 mAudioPlayer = NULL; 468 } 469 } 470 471 Animation animation; 472 473 // Parse the description file 474 for (;;) { 475 const char* endl = strstr(s, "\n"); 476 if (!endl) break; 477 String8 line(s, endl - s); 478 const char* l = line.string(); 479 int fps, width, height, count, pause; 480 char path[ANIM_ENTRY_NAME_MAX]; 481 char color[7] = "000000"; // default to black if unspecified 482 483 char pathType; 484 if (sscanf(l, "%d %d %d", &width, &height, &fps) == 3) { 485 // ALOGD("> w=%d, h=%d, fps=%d", width, height, fps); 486 animation.width = width; 487 animation.height = height; 488 animation.fps = fps; 489 } 490 else if (sscanf(l, " %c %d %d %s #%6s", &pathType, &count, &pause, path, color) >= 4) { 491 // ALOGD("> type=%c, count=%d, pause=%d, path=%s, color=%s", pathType, count, pause, path, color); 492 Animation::Part part; 493 part.playUntilComplete = pathType == 'c'; 494 part.count = count; 495 part.pause = pause; 496 part.path = path; 497 part.audioFile = NULL; 498 if (!parseColor(color, part.backgroundColor)) { 499 ALOGE("> invalid color '#%s'", color); 500 part.backgroundColor[0] = 0.0f; 501 part.backgroundColor[1] = 0.0f; 502 part.backgroundColor[2] = 0.0f; 503 } 504 animation.parts.add(part); 505 } 506 507 s = ++endl; 508 } 509 510 // read all the data structures 511 const size_t pcount = animation.parts.size(); 512 void *cookie = NULL; 513 if (!mZip->startIteration(&cookie)) { 514 return false; 515 } 516 517 ZipEntryRO entry; 518 char name[ANIM_ENTRY_NAME_MAX]; 519 while ((entry = mZip->nextEntry(cookie)) != NULL) { 520 const int foundEntryName = mZip->getEntryFileName(entry, name, ANIM_ENTRY_NAME_MAX); 521 if (foundEntryName > ANIM_ENTRY_NAME_MAX || foundEntryName == -1) { 522 ALOGE("Error fetching entry file name"); 523 continue; 524 } 525 526 const String8 entryName(name); 527 const String8 path(entryName.getPathDir()); 528 const String8 leaf(entryName.getPathLeaf()); 529 if (leaf.size() > 0) { 530 for (size_t j=0 ; j<pcount ; j++) { 531 if (path == animation.parts[j].path) { 532 int method; 533 // supports only stored png files 534 if (mZip->getEntryInfo(entry, &method, NULL, NULL, NULL, NULL, NULL)) { 535 if (method == ZipFileRO::kCompressStored) { 536 FileMap* map = mZip->createEntryFileMap(entry); 537 if (map) { 538 Animation::Part& part(animation.parts.editItemAt(j)); 539 if (leaf == "audio.wav") { 540 // a part may have at most one audio file 541 part.audioFile = map; 542 } else { 543 Animation::Frame frame; 544 frame.name = leaf; 545 frame.map = map; 546 part.frames.add(frame); 547 } 548 } 549 } 550 } 551 } 552 } 553 } 554 } 555 556 mZip->endIteration(cookie); 557 558 // clear screen 559 glShadeModel(GL_FLAT); 560 glDisable(GL_DITHER); 561 glDisable(GL_SCISSOR_TEST); 562 glDisable(GL_BLEND); 563 glClearColor(0,0,0,1); 564 glClear(GL_COLOR_BUFFER_BIT); 565 566 eglSwapBuffers(mDisplay, mSurface); 567 568 glBindTexture(GL_TEXTURE_2D, 0); 569 glEnable(GL_TEXTURE_2D); 570 glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); 571 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); 572 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); 573 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); 574 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); 575 576 const int xc = (mWidth - animation.width) / 2; 577 const int yc = ((mHeight - animation.height) / 2); 578 nsecs_t lastFrame = systemTime(); 579 nsecs_t frameDuration = s2ns(1) / animation.fps; 580 581 Region clearReg(Rect(mWidth, mHeight)); 582 clearReg.subtractSelf(Rect(xc, yc, xc+animation.width, yc+animation.height)); 583 584 for (size_t i=0 ; i<pcount ; i++) { 585 const Animation::Part& part(animation.parts[i]); 586 const size_t fcount = part.frames.size(); 587 glBindTexture(GL_TEXTURE_2D, 0); 588 589 for (int r=0 ; !part.count || r<part.count ; r++) { 590 // Exit any non playuntil complete parts immediately 591 if(exitPending() && !part.playUntilComplete) 592 break; 593 594 // only play audio file the first time we animate the part 595 if (r == 0 && mAudioPlayer != NULL && part.audioFile) { 596 mAudioPlayer->playFile(part.audioFile); 597 } 598 599 glClearColor( 600 part.backgroundColor[0], 601 part.backgroundColor[1], 602 part.backgroundColor[2], 603 1.0f); 604 605 for (size_t j=0 ; j<fcount && (!exitPending() || part.playUntilComplete) ; j++) { 606 const Animation::Frame& frame(part.frames[j]); 607 nsecs_t lastFrame = systemTime(); 608 609 if (r > 0) { 610 glBindTexture(GL_TEXTURE_2D, frame.tid); 611 } else { 612 if (part.count != 1) { 613 glGenTextures(1, &frame.tid); 614 glBindTexture(GL_TEXTURE_2D, frame.tid); 615 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); 616 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); 617 } 618 initTexture(frame); 619 } 620 621 if (!clearReg.isEmpty()) { 622 Region::const_iterator head(clearReg.begin()); 623 Region::const_iterator tail(clearReg.end()); 624 glEnable(GL_SCISSOR_TEST); 625 while (head != tail) { 626 const Rect& r(*head++); 627 glScissor(r.left, mHeight - r.bottom, 628 r.width(), r.height()); 629 glClear(GL_COLOR_BUFFER_BIT); 630 } 631 glDisable(GL_SCISSOR_TEST); 632 } 633 glDrawTexiOES(xc, yc, 0, animation.width, animation.height); 634 eglSwapBuffers(mDisplay, mSurface); 635 636 nsecs_t now = systemTime(); 637 nsecs_t delay = frameDuration - (now - lastFrame); 638 //ALOGD("%lld, %lld", ns2ms(now - lastFrame), ns2ms(delay)); 639 lastFrame = now; 640 641 if (delay > 0) { 642 struct timespec spec; 643 spec.tv_sec = (now + delay) / 1000000000; 644 spec.tv_nsec = (now + delay) % 1000000000; 645 int err; 646 do { 647 err = clock_nanosleep(CLOCK_MONOTONIC, TIMER_ABSTIME, &spec, NULL); 648 } while (err<0 && errno == EINTR); 649 } 650 651 checkExit(); 652 } 653 654 usleep(part.pause * ns2us(frameDuration)); 655 656 // For infinite parts, we've now played them at least once, so perhaps exit 657 if(exitPending() && !part.count) 658 break; 659 } 660 661 // free the textures for this part 662 if (part.count != 1) { 663 for (size_t j=0 ; j<fcount ; j++) { 664 const Animation::Frame& frame(part.frames[j]); 665 glDeleteTextures(1, &frame.tid); 666 } 667 } 668 } 669 670 return false; 671} 672 673// --------------------------------------------------------------------------- 674 675} 676; // namespace android 677