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_TAG "BootAnimation" 18 19 #include <stdint.h> 20 #include <sys/types.h> 21 #include <math.h> 22 #include <fcntl.h> 23 #include <utils/misc.h> 24 #include <signal.h> 25 26 #include <cutils/properties.h> 27 28 #include <androidfw/AssetManager.h> 29 #include <binder/IPCThreadState.h> 30 #include <utils/Atomic.h> 31 #include <utils/Errors.h> 32 #include <utils/Log.h> 33 #include <utils/threads.h> 34 35 #include <ui/PixelFormat.h> 36 #include <ui/Rect.h> 37 #include <ui/Region.h> 38 #include <ui/DisplayInfo.h> 39 #include <ui/FramebufferNativeWindow.h> 40 41 #include <gui/ISurfaceComposer.h> 42 #include <gui/Surface.h> 43 #include <gui/SurfaceComposerClient.h> 44 45 #include <core/SkBitmap.h> 46 #include <core/SkStream.h> 47 #include <images/SkImageDecoder.h> 48 49 #include <GLES/gl.h> 50 #include <GLES/glext.h> 51 #include <EGL/eglext.h> 52 53 #include "BootAnimation.h" 54 55 #define USER_BOOTANIMATION_FILE "/data/local/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 60 extern "C" int clock_nanosleep(clockid_t clock_id, int flags, 61 const struct timespec *request, 62 struct timespec *remain); 63 64 namespace android { 65 66 // --------------------------------------------------------------------------- 67 68 BootAnimation::BootAnimation() : Thread(false) 69 { 70 mSession = new SurfaceComposerClient(); 71 } 72 73 BootAnimation::~BootAnimation() { 74 } 75 76 void BootAnimation::onFirstRef() { 77 status_t err = mSession->linkToComposerDeath(this); 78 ALOGE_IF(err, "linkToComposerDeath failed (%s) ", strerror(-err)); 79 if (err == NO_ERROR) { 80 run("BootAnimation", PRIORITY_DISPLAY); 81 } 82 } 83 84 sp<SurfaceComposerClient> BootAnimation::session() const { 85 return mSession; 86 } 87 88 89 void BootAnimation::binderDied(const wp<IBinder>& who) 90 { 91 // woah, surfaceflinger died! 92 ALOGD("SurfaceFlinger died, exiting..."); 93 94 // calling requestExit() is not enough here because the Surface code 95 // might be blocked on a condition variable that will never be updated. 96 kill( getpid(), SIGKILL ); 97 requestExit(); 98 } 99 100 status_t BootAnimation::initTexture(Texture* texture, AssetManager& assets, 101 const char* name) { 102 Asset* asset = assets.open(name, Asset::ACCESS_BUFFER); 103 if (!asset) 104 return NO_INIT; 105 SkBitmap bitmap; 106 SkImageDecoder::DecodeMemory(asset->getBuffer(false), asset->getLength(), 107 &bitmap, SkBitmap::kNo_Config, SkImageDecoder::kDecodePixels_Mode); 108 asset->close(); 109 delete asset; 110 111 // ensure we can call getPixels(). No need to call unlock, since the 112 // bitmap will go out of scope when we return from this method. 113 bitmap.lockPixels(); 114 115 const int w = bitmap.width(); 116 const int h = bitmap.height(); 117 const void* p = bitmap.getPixels(); 118 119 GLint crop[4] = { 0, h, w, -h }; 120 texture->w = w; 121 texture->h = h; 122 123 glGenTextures(1, &texture->name); 124 glBindTexture(GL_TEXTURE_2D, texture->name); 125 126 switch (bitmap.getConfig()) { 127 case SkBitmap::kA8_Config: 128 glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, w, h, 0, GL_ALPHA, 129 GL_UNSIGNED_BYTE, p); 130 break; 131 case SkBitmap::kARGB_4444_Config: 132 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, GL_RGBA, 133 GL_UNSIGNED_SHORT_4_4_4_4, p); 134 break; 135 case SkBitmap::kARGB_8888_Config: 136 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, GL_RGBA, 137 GL_UNSIGNED_BYTE, p); 138 break; 139 case SkBitmap::kRGB_565_Config: 140 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, w, h, 0, GL_RGB, 141 GL_UNSIGNED_SHORT_5_6_5, p); 142 break; 143 default: 144 break; 145 } 146 147 glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop); 148 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); 149 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); 150 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); 151 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); 152 return NO_ERROR; 153 } 154 155 status_t BootAnimation::initTexture(void* buffer, size_t len) 156 { 157 //StopWatch watch("blah"); 158 159 SkBitmap bitmap; 160 SkMemoryStream stream(buffer, len); 161 SkImageDecoder* codec = SkImageDecoder::Factory(&stream); 162 codec->setDitherImage(false); 163 if (codec) { 164 codec->decode(&stream, &bitmap, 165 SkBitmap::kARGB_8888_Config, 166 SkImageDecoder::kDecodePixels_Mode); 167 delete codec; 168 } 169 170 // ensure we can call getPixels(). No need to call unlock, since the 171 // bitmap will go out of scope when we return from this method. 172 bitmap.lockPixels(); 173 174 const int w = bitmap.width(); 175 const int h = bitmap.height(); 176 const void* p = bitmap.getPixels(); 177 178 GLint crop[4] = { 0, h, w, -h }; 179 int tw = 1 << (31 - __builtin_clz(w)); 180 int th = 1 << (31 - __builtin_clz(h)); 181 if (tw < w) tw <<= 1; 182 if (th < h) th <<= 1; 183 184 switch (bitmap.getConfig()) { 185 case SkBitmap::kARGB_8888_Config: 186 if (tw != w || th != h) { 187 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, tw, th, 0, GL_RGBA, 188 GL_UNSIGNED_BYTE, 0); 189 glTexSubImage2D(GL_TEXTURE_2D, 0, 190 0, 0, w, h, GL_RGBA, GL_UNSIGNED_BYTE, p); 191 } else { 192 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, tw, th, 0, GL_RGBA, 193 GL_UNSIGNED_BYTE, p); 194 } 195 break; 196 197 case SkBitmap::kRGB_565_Config: 198 if (tw != w || th != h) { 199 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, tw, th, 0, GL_RGB, 200 GL_UNSIGNED_SHORT_5_6_5, 0); 201 glTexSubImage2D(GL_TEXTURE_2D, 0, 202 0, 0, w, h, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, p); 203 } else { 204 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, tw, th, 0, GL_RGB, 205 GL_UNSIGNED_SHORT_5_6_5, p); 206 } 207 break; 208 default: 209 break; 210 } 211 212 glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop); 213 214 return NO_ERROR; 215 } 216 217 status_t BootAnimation::readyToRun() { 218 mAssets.addDefaultAssets(); 219 220 sp<IBinder> dtoken(SurfaceComposerClient::getBuiltInDisplay( 221 ISurfaceComposer::eDisplayIdMain)); 222 DisplayInfo dinfo; 223 status_t status = SurfaceComposerClient::getDisplayInfo(dtoken, &dinfo); 224 if (status) 225 return -1; 226 227 // create the native surface 228 sp<SurfaceControl> control = session()->createSurface(String8("BootAnimation"), 229 dinfo.w, dinfo.h, PIXEL_FORMAT_RGB_565); 230 231 SurfaceComposerClient::openGlobalTransaction(); 232 control->setLayer(0x40000000); 233 SurfaceComposerClient::closeGlobalTransaction(); 234 235 sp<Surface> s = control->getSurface(); 236 237 // initialize opengl and egl 238 const EGLint attribs[] = { 239 EGL_RED_SIZE, 8, 240 EGL_GREEN_SIZE, 8, 241 EGL_BLUE_SIZE, 8, 242 EGL_DEPTH_SIZE, 0, 243 EGL_NONE 244 }; 245 EGLint w, h, dummy; 246 EGLint numConfigs; 247 EGLConfig config; 248 EGLSurface surface; 249 EGLContext context; 250 251 EGLDisplay display = eglGetDisplay(EGL_DEFAULT_DISPLAY); 252 253 eglInitialize(display, 0, 0); 254 eglChooseConfig(display, attribs, &config, 1, &numConfigs); 255 surface = eglCreateWindowSurface(display, config, s.get(), NULL); 256 context = eglCreateContext(display, config, NULL, NULL); 257 eglQuerySurface(display, surface, EGL_WIDTH, &w); 258 eglQuerySurface(display, surface, EGL_HEIGHT, &h); 259 260 if (eglMakeCurrent(display, surface, surface, context) == EGL_FALSE) 261 return NO_INIT; 262 263 mDisplay = display; 264 mContext = context; 265 mSurface = surface; 266 mWidth = w; 267 mHeight = h; 268 mFlingerSurfaceControl = control; 269 mFlingerSurface = s; 270 271 mAndroidAnimation = true; 272 273 // If the device has encryption turned on or is in process 274 // of being encrypted we show the encrypted boot animation. 275 char decrypt[PROPERTY_VALUE_MAX]; 276 property_get("vold.decrypt", decrypt, ""); 277 278 bool encryptedAnimation = atoi(decrypt) != 0 || !strcmp("trigger_restart_min_framework", decrypt); 279 280 if ((encryptedAnimation && 281 (access(SYSTEM_ENCRYPTED_BOOTANIMATION_FILE, R_OK) == 0) && 282 (mZip.open(SYSTEM_ENCRYPTED_BOOTANIMATION_FILE) == NO_ERROR)) || 283 284 ((access(USER_BOOTANIMATION_FILE, R_OK) == 0) && 285 (mZip.open(USER_BOOTANIMATION_FILE) == NO_ERROR)) || 286 287 ((access(SYSTEM_BOOTANIMATION_FILE, R_OK) == 0) && 288 (mZip.open(SYSTEM_BOOTANIMATION_FILE) == NO_ERROR))) { 289 mAndroidAnimation = false; 290 } 291 292 return NO_ERROR; 293 } 294 295 bool BootAnimation::threadLoop() 296 { 297 bool r; 298 if (mAndroidAnimation) { 299 r = android(); 300 } else { 301 r = movie(); 302 } 303 304 // No need to force exit anymore 305 property_set(EXIT_PROP_NAME, "0"); 306 307 eglMakeCurrent(mDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT); 308 eglDestroyContext(mDisplay, mContext); 309 eglDestroySurface(mDisplay, mSurface); 310 mFlingerSurface.clear(); 311 mFlingerSurfaceControl.clear(); 312 eglTerminate(mDisplay); 313 IPCThreadState::self()->stopProcess(); 314 return r; 315 } 316 317 bool BootAnimation::android() 318 { 319 initTexture(&mAndroid[0], mAssets, "images/android-logo-mask.png"); 320 initTexture(&mAndroid[1], mAssets, "images/android-logo-shine.png"); 321 322 // clear screen 323 glShadeModel(GL_FLAT); 324 glDisable(GL_DITHER); 325 glDisable(GL_SCISSOR_TEST); 326 glClearColor(0,0,0,1); 327 glClear(GL_COLOR_BUFFER_BIT); 328 eglSwapBuffers(mDisplay, mSurface); 329 330 glEnable(GL_TEXTURE_2D); 331 glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); 332 333 const GLint xc = (mWidth - mAndroid[0].w) / 2; 334 const GLint yc = (mHeight - mAndroid[0].h) / 2; 335 const Rect updateRect(xc, yc, xc + mAndroid[0].w, yc + mAndroid[0].h); 336 337 glScissor(updateRect.left, mHeight - updateRect.bottom, updateRect.width(), 338 updateRect.height()); 339 340 // Blend state 341 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); 342 glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); 343 344 const nsecs_t startTime = systemTime(); 345 do { 346 nsecs_t now = systemTime(); 347 double time = now - startTime; 348 float t = 4.0f * float(time / us2ns(16667)) / mAndroid[1].w; 349 GLint offset = (1 - (t - floorf(t))) * mAndroid[1].w; 350 GLint x = xc - offset; 351 352 glDisable(GL_SCISSOR_TEST); 353 glClear(GL_COLOR_BUFFER_BIT); 354 355 glEnable(GL_SCISSOR_TEST); 356 glDisable(GL_BLEND); 357 glBindTexture(GL_TEXTURE_2D, mAndroid[1].name); 358 glDrawTexiOES(x, yc, 0, mAndroid[1].w, mAndroid[1].h); 359 glDrawTexiOES(x + mAndroid[1].w, yc, 0, mAndroid[1].w, mAndroid[1].h); 360 361 glEnable(GL_BLEND); 362 glBindTexture(GL_TEXTURE_2D, mAndroid[0].name); 363 glDrawTexiOES(xc, yc, 0, mAndroid[0].w, mAndroid[0].h); 364 365 EGLBoolean res = eglSwapBuffers(mDisplay, mSurface); 366 if (res == EGL_FALSE) 367 break; 368 369 // 12fps: don't animate too fast to preserve CPU 370 const nsecs_t sleepTime = 83333 - ns2us(systemTime() - now); 371 if (sleepTime > 0) 372 usleep(sleepTime); 373 374 checkExit(); 375 } while (!exitPending()); 376 377 glDeleteTextures(1, &mAndroid[0].name); 378 glDeleteTextures(1, &mAndroid[1].name); 379 return false; 380 } 381 382 383 void BootAnimation::checkExit() { 384 // Allow surface flinger to gracefully request shutdown 385 char value[PROPERTY_VALUE_MAX]; 386 property_get(EXIT_PROP_NAME, value, "0"); 387 int exitnow = atoi(value); 388 if (exitnow) { 389 requestExit(); 390 } 391 } 392 393 bool BootAnimation::movie() 394 { 395 ZipFileRO& zip(mZip); 396 397 size_t numEntries = zip.getNumEntries(); 398 ZipEntryRO desc = zip.findEntryByName("desc.txt"); 399 FileMap* descMap = zip.createEntryFileMap(desc); 400 ALOGE_IF(!descMap, "descMap is null"); 401 if (!descMap) { 402 return false; 403 } 404 405 String8 desString((char const*)descMap->getDataPtr(), 406 descMap->getDataLength()); 407 char const* s = desString.string(); 408 409 Animation animation; 410 411 // Parse the description file 412 for (;;) { 413 const char* endl = strstr(s, "\n"); 414 if (!endl) break; 415 String8 line(s, endl - s); 416 const char* l = line.string(); 417 int fps, width, height, count, pause; 418 char path[256]; 419 char pathType; 420 if (sscanf(l, "%d %d %d", &width, &height, &fps) == 3) { 421 //LOGD("> w=%d, h=%d, fps=%d", width, height, fps); 422 animation.width = width; 423 animation.height = height; 424 animation.fps = fps; 425 } 426 else if (sscanf(l, " %c %d %d %s", &pathType, &count, &pause, path) == 4) { 427 //LOGD("> type=%c, count=%d, pause=%d, path=%s", pathType, count, pause, path); 428 Animation::Part part; 429 part.playUntilComplete = pathType == 'c'; 430 part.count = count; 431 part.pause = pause; 432 part.path = path; 433 animation.parts.add(part); 434 } 435 436 s = ++endl; 437 } 438 439 // read all the data structures 440 const size_t pcount = animation.parts.size(); 441 for (size_t i=0 ; i<numEntries ; i++) { 442 char name[256]; 443 ZipEntryRO entry = zip.findEntryByIndex(i); 444 if (zip.getEntryFileName(entry, name, 256) == 0) { 445 const String8 entryName(name); 446 const String8 path(entryName.getPathDir()); 447 const String8 leaf(entryName.getPathLeaf()); 448 if (leaf.size() > 0) { 449 for (int j=0 ; j<pcount ; j++) { 450 if (path == animation.parts[j].path) { 451 int method; 452 // supports only stored png files 453 if (zip.getEntryInfo(entry, &method, 0, 0, 0, 0, 0)) { 454 if (method == ZipFileRO::kCompressStored) { 455 FileMap* map = zip.createEntryFileMap(entry); 456 if (map) { 457 Animation::Frame frame; 458 frame.name = leaf; 459 frame.map = map; 460 Animation::Part& part(animation.parts.editItemAt(j)); 461 part.frames.add(frame); 462 } 463 } 464 } 465 } 466 } 467 } 468 } 469 } 470 471 // clear screen 472 glShadeModel(GL_FLAT); 473 glDisable(GL_DITHER); 474 glDisable(GL_SCISSOR_TEST); 475 glDisable(GL_BLEND); 476 glClearColor(0,0,0,1); 477 glClear(GL_COLOR_BUFFER_BIT); 478 479 eglSwapBuffers(mDisplay, mSurface); 480 481 glBindTexture(GL_TEXTURE_2D, 0); 482 glEnable(GL_TEXTURE_2D); 483 glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); 484 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); 485 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); 486 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); 487 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); 488 489 const int xc = (mWidth - animation.width) / 2; 490 const int yc = ((mHeight - animation.height) / 2); 491 nsecs_t lastFrame = systemTime(); 492 nsecs_t frameDuration = s2ns(1) / animation.fps; 493 494 Region clearReg(Rect(mWidth, mHeight)); 495 clearReg.subtractSelf(Rect(xc, yc, xc+animation.width, yc+animation.height)); 496 497 for (int i=0 ; i<pcount ; i++) { 498 const Animation::Part& part(animation.parts[i]); 499 const size_t fcount = part.frames.size(); 500 glBindTexture(GL_TEXTURE_2D, 0); 501 502 for (int r=0 ; !part.count || r<part.count ; r++) { 503 // Exit any non playuntil complete parts immediately 504 if(exitPending() && !part.playUntilComplete) 505 break; 506 507 for (int j=0 ; j<fcount && (!exitPending() || part.playUntilComplete) ; j++) { 508 const Animation::Frame& frame(part.frames[j]); 509 nsecs_t lastFrame = systemTime(); 510 511 if (r > 0) { 512 glBindTexture(GL_TEXTURE_2D, frame.tid); 513 } else { 514 if (part.count != 1) { 515 glGenTextures(1, &frame.tid); 516 glBindTexture(GL_TEXTURE_2D, frame.tid); 517 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); 518 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); 519 } 520 initTexture( 521 frame.map->getDataPtr(), 522 frame.map->getDataLength()); 523 } 524 525 if (!clearReg.isEmpty()) { 526 Region::const_iterator head(clearReg.begin()); 527 Region::const_iterator tail(clearReg.end()); 528 glEnable(GL_SCISSOR_TEST); 529 while (head != tail) { 530 const Rect& r(*head++); 531 glScissor(r.left, mHeight - r.bottom, 532 r.width(), r.height()); 533 glClear(GL_COLOR_BUFFER_BIT); 534 } 535 glDisable(GL_SCISSOR_TEST); 536 } 537 glDrawTexiOES(xc, yc, 0, animation.width, animation.height); 538 eglSwapBuffers(mDisplay, mSurface); 539 540 nsecs_t now = systemTime(); 541 nsecs_t delay = frameDuration - (now - lastFrame); 542 //ALOGD("%lld, %lld", ns2ms(now - lastFrame), ns2ms(delay)); 543 lastFrame = now; 544 545 if (delay > 0) { 546 struct timespec spec; 547 spec.tv_sec = (now + delay) / 1000000000; 548 spec.tv_nsec = (now + delay) % 1000000000; 549 int err; 550 do { 551 err = clock_nanosleep(CLOCK_MONOTONIC, TIMER_ABSTIME, &spec, NULL); 552 } while (err<0 && errno == EINTR); 553 } 554 555 checkExit(); 556 } 557 558 usleep(part.pause * ns2us(frameDuration)); 559 560 // For infinite parts, we've now played them at least once, so perhaps exit 561 if(exitPending() && !part.count) 562 break; 563 } 564 565 // free the textures for this part 566 if (part.count != 1) { 567 for (int j=0 ; j<fcount ; j++) { 568 const Animation::Frame& frame(part.frames[j]); 569 glDeleteTextures(1, &frame.tid); 570 } 571 } 572 } 573 574 return false; 575 } 576 577 // --------------------------------------------------------------------------- 578 579 } 580 ; // namespace android 581
