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 <binder/IPCThreadState.h> 29 #include <utils/threads.h> 30 #include <utils/Atomic.h> 31 #include <utils/Errors.h> 32 #include <utils/Log.h> 33 #include <utils/AssetManager.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 <surfaceflinger/ISurfaceComposer.h> 42 #include <surfaceflinger/ISurfaceComposerClient.h> 43 44 #include <core/SkBitmap.h> 45 #include <core/SkStream.h> 46 #include <images/SkImageDecoder.h> 47 48 #include <GLES/gl.h> 49 #include <GLES/glext.h> 50 #include <EGL/eglext.h> 51 52 #include "BootAnimation.h" 53 54 #define USER_BOOTANIMATION_FILE "/data/local/bootanimation.zip" 55 #define SYSTEM_BOOTANIMATION_FILE "/system/media/bootanimation.zip" 56 #define SYSTEM_ENCRYPTED_BOOTANIMATION_FILE "/system/media/bootanimation-encrypted.zip" 57 58 namespace android { 59 60 // --------------------------------------------------------------------------- 61 62 BootAnimation::BootAnimation() : Thread(false) 63 { 64 mSession = new SurfaceComposerClient(); 65 } 66 67 BootAnimation::~BootAnimation() { 68 } 69 70 void BootAnimation::onFirstRef() { 71 status_t err = mSession->linkToComposerDeath(this); 72 LOGE_IF(err, "linkToComposerDeath failed (%s) ", strerror(-err)); 73 if (err == NO_ERROR) { 74 run("BootAnimation", PRIORITY_DISPLAY); 75 } 76 } 77 78 sp<SurfaceComposerClient> BootAnimation::session() const { 79 return mSession; 80 } 81 82 83 void BootAnimation::binderDied(const wp<IBinder>& who) 84 { 85 // woah, surfaceflinger died! 86 LOGD("SurfaceFlinger died, exiting..."); 87 88 // calling requestExit() is not enough here because the Surface code 89 // might be blocked on a condition variable that will never be updated. 90 kill( getpid(), SIGKILL ); 91 requestExit(); 92 } 93 94 status_t BootAnimation::initTexture(Texture* texture, AssetManager& assets, 95 const char* name) { 96 Asset* asset = assets.open(name, Asset::ACCESS_BUFFER); 97 if (!asset) 98 return NO_INIT; 99 SkBitmap bitmap; 100 SkImageDecoder::DecodeMemory(asset->getBuffer(false), asset->getLength(), 101 &bitmap, SkBitmap::kNo_Config, SkImageDecoder::kDecodePixels_Mode); 102 asset->close(); 103 delete asset; 104 105 // ensure we can call getPixels(). No need to call unlock, since the 106 // bitmap will go out of scope when we return from this method. 107 bitmap.lockPixels(); 108 109 const int w = bitmap.width(); 110 const int h = bitmap.height(); 111 const void* p = bitmap.getPixels(); 112 113 GLint crop[4] = { 0, h, w, -h }; 114 texture->w = w; 115 texture->h = h; 116 117 glGenTextures(1, &texture->name); 118 glBindTexture(GL_TEXTURE_2D, texture->name); 119 120 switch (bitmap.getConfig()) { 121 case SkBitmap::kA8_Config: 122 glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, w, h, 0, GL_ALPHA, 123 GL_UNSIGNED_BYTE, p); 124 break; 125 case SkBitmap::kARGB_4444_Config: 126 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, GL_RGBA, 127 GL_UNSIGNED_SHORT_4_4_4_4, p); 128 break; 129 case SkBitmap::kARGB_8888_Config: 130 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, GL_RGBA, 131 GL_UNSIGNED_BYTE, p); 132 break; 133 case SkBitmap::kRGB_565_Config: 134 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, w, h, 0, GL_RGB, 135 GL_UNSIGNED_SHORT_5_6_5, p); 136 break; 137 default: 138 break; 139 } 140 141 glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop); 142 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); 143 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); 144 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); 145 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); 146 return NO_ERROR; 147 } 148 149 status_t BootAnimation::initTexture(void* buffer, size_t len) 150 { 151 //StopWatch watch("blah"); 152 153 SkBitmap bitmap; 154 SkMemoryStream stream(buffer, len); 155 SkImageDecoder* codec = SkImageDecoder::Factory(&stream); 156 codec->setDitherImage(false); 157 if (codec) { 158 codec->decode(&stream, &bitmap, 159 SkBitmap::kRGB_565_Config, 160 SkImageDecoder::kDecodePixels_Mode); 161 delete codec; 162 } 163 164 // ensure we can call getPixels(). No need to call unlock, since the 165 // bitmap will go out of scope when we return from this method. 166 bitmap.lockPixels(); 167 168 const int w = bitmap.width(); 169 const int h = bitmap.height(); 170 const void* p = bitmap.getPixels(); 171 172 GLint crop[4] = { 0, h, w, -h }; 173 int tw = 1 << (31 - __builtin_clz(w)); 174 int th = 1 << (31 - __builtin_clz(h)); 175 if (tw < w) tw <<= 1; 176 if (th < h) th <<= 1; 177 178 switch (bitmap.getConfig()) { 179 case SkBitmap::kARGB_8888_Config: 180 if (tw != w || th != h) { 181 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, tw, th, 0, GL_RGBA, 182 GL_UNSIGNED_BYTE, 0); 183 glTexSubImage2D(GL_TEXTURE_2D, 0, 184 0, 0, w, h, GL_RGBA, GL_UNSIGNED_BYTE, p); 185 } else { 186 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, tw, th, 0, GL_RGBA, 187 GL_UNSIGNED_BYTE, p); 188 } 189 break; 190 191 case SkBitmap::kRGB_565_Config: 192 if (tw != w || th != h) { 193 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, tw, th, 0, GL_RGB, 194 GL_UNSIGNED_SHORT_5_6_5, 0); 195 glTexSubImage2D(GL_TEXTURE_2D, 0, 196 0, 0, w, h, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, p); 197 } else { 198 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, tw, th, 0, GL_RGB, 199 GL_UNSIGNED_SHORT_5_6_5, p); 200 } 201 break; 202 default: 203 break; 204 } 205 206 glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop); 207 208 return NO_ERROR; 209 } 210 211 status_t BootAnimation::readyToRun() { 212 mAssets.addDefaultAssets(); 213 214 DisplayInfo dinfo; 215 status_t status = session()->getDisplayInfo(0, &dinfo); 216 if (status) 217 return -1; 218 219 // create the native surface 220 sp<SurfaceControl> control = session()->createSurface( 221 0, dinfo.w, dinfo.h, PIXEL_FORMAT_RGB_565); 222 223 SurfaceComposerClient::openGlobalTransaction(); 224 control->setLayer(0x40000000); 225 SurfaceComposerClient::closeGlobalTransaction(); 226 227 sp<Surface> s = control->getSurface(); 228 229 // initialize opengl and egl 230 const EGLint attribs[] = { 231 EGL_RED_SIZE, 8, 232 EGL_GREEN_SIZE, 8, 233 EGL_BLUE_SIZE, 8, 234 EGL_DEPTH_SIZE, 0, 235 EGL_NONE 236 }; 237 EGLint w, h, dummy; 238 EGLint numConfigs; 239 EGLConfig config; 240 EGLSurface surface; 241 EGLContext context; 242 243 EGLDisplay display = eglGetDisplay(EGL_DEFAULT_DISPLAY); 244 245 eglInitialize(display, 0, 0); 246 eglChooseConfig(display, attribs, &config, 1, &numConfigs); 247 surface = eglCreateWindowSurface(display, config, s.get(), NULL); 248 context = eglCreateContext(display, config, NULL, NULL); 249 eglQuerySurface(display, surface, EGL_WIDTH, &w); 250 eglQuerySurface(display, surface, EGL_HEIGHT, &h); 251 252 if (eglMakeCurrent(display, surface, surface, context) == EGL_FALSE) 253 return NO_INIT; 254 255 mDisplay = display; 256 mContext = context; 257 mSurface = surface; 258 mWidth = w; 259 mHeight = h; 260 mFlingerSurfaceControl = control; 261 mFlingerSurface = s; 262 263 mAndroidAnimation = true; 264 265 // If the device has encryption turned on or is in process 266 // of being encrypted we show the encrypted boot animation. 267 char decrypt[PROPERTY_VALUE_MAX]; 268 property_get("vold.decrypt", decrypt, ""); 269 270 bool encryptedAnimation = atoi(decrypt) != 0 || !strcmp("trigger_restart_min_framework", decrypt); 271 272 if ((encryptedAnimation && 273 (access(SYSTEM_ENCRYPTED_BOOTANIMATION_FILE, R_OK) == 0) && 274 (mZip.open(SYSTEM_ENCRYPTED_BOOTANIMATION_FILE) == NO_ERROR)) || 275 276 ((access(USER_BOOTANIMATION_FILE, R_OK) == 0) && 277 (mZip.open(USER_BOOTANIMATION_FILE) == NO_ERROR)) || 278 279 ((access(SYSTEM_BOOTANIMATION_FILE, R_OK) == 0) && 280 (mZip.open(SYSTEM_BOOTANIMATION_FILE) == NO_ERROR))) { 281 mAndroidAnimation = false; 282 } 283 284 return NO_ERROR; 285 } 286 287 bool BootAnimation::threadLoop() 288 { 289 bool r; 290 if (mAndroidAnimation) { 291 r = android(); 292 } else { 293 r = movie(); 294 } 295 296 eglMakeCurrent(mDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT); 297 eglDestroyContext(mDisplay, mContext); 298 eglDestroySurface(mDisplay, mSurface); 299 mFlingerSurface.clear(); 300 mFlingerSurfaceControl.clear(); 301 eglTerminate(mDisplay); 302 IPCThreadState::self()->stopProcess(); 303 return r; 304 } 305 306 bool BootAnimation::android() 307 { 308 initTexture(&mAndroid[0], mAssets, "images/android-logo-mask.png"); 309 initTexture(&mAndroid[1], mAssets, "images/android-logo-shine.png"); 310 311 // clear screen 312 glShadeModel(GL_FLAT); 313 glDisable(GL_DITHER); 314 glDisable(GL_SCISSOR_TEST); 315 glClearColor(0,0,0,1); 316 glClear(GL_COLOR_BUFFER_BIT); 317 eglSwapBuffers(mDisplay, mSurface); 318 319 glEnable(GL_TEXTURE_2D); 320 glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); 321 322 const GLint xc = (mWidth - mAndroid[0].w) / 2; 323 const GLint yc = (mHeight - mAndroid[0].h) / 2; 324 const Rect updateRect(xc, yc, xc + mAndroid[0].w, yc + mAndroid[0].h); 325 326 glScissor(updateRect.left, mHeight - updateRect.bottom, updateRect.width(), 327 updateRect.height()); 328 329 // Blend state 330 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); 331 glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); 332 333 const nsecs_t startTime = systemTime(); 334 do { 335 nsecs_t now = systemTime(); 336 double time = now - startTime; 337 float t = 4.0f * float(time / us2ns(16667)) / mAndroid[1].w; 338 GLint offset = (1 - (t - floorf(t))) * mAndroid[1].w; 339 GLint x = xc - offset; 340 341 glDisable(GL_SCISSOR_TEST); 342 glClear(GL_COLOR_BUFFER_BIT); 343 344 glEnable(GL_SCISSOR_TEST); 345 glDisable(GL_BLEND); 346 glBindTexture(GL_TEXTURE_2D, mAndroid[1].name); 347 glDrawTexiOES(x, yc, 0, mAndroid[1].w, mAndroid[1].h); 348 glDrawTexiOES(x + mAndroid[1].w, yc, 0, mAndroid[1].w, mAndroid[1].h); 349 350 glEnable(GL_BLEND); 351 glBindTexture(GL_TEXTURE_2D, mAndroid[0].name); 352 glDrawTexiOES(xc, yc, 0, mAndroid[0].w, mAndroid[0].h); 353 354 EGLBoolean res = eglSwapBuffers(mDisplay, mSurface); 355 if (res == EGL_FALSE) 356 break; 357 358 // 12fps: don't animate too fast to preserve CPU 359 const nsecs_t sleepTime = 83333 - ns2us(systemTime() - now); 360 if (sleepTime > 0) 361 usleep(sleepTime); 362 } while (!exitPending()); 363 364 glDeleteTextures(1, &mAndroid[0].name); 365 glDeleteTextures(1, &mAndroid[1].name); 366 return false; 367 } 368 369 370 bool BootAnimation::movie() 371 { 372 ZipFileRO& zip(mZip); 373 374 size_t numEntries = zip.getNumEntries(); 375 ZipEntryRO desc = zip.findEntryByName("desc.txt"); 376 FileMap* descMap = zip.createEntryFileMap(desc); 377 LOGE_IF(!descMap, "descMap is null"); 378 if (!descMap) { 379 return false; 380 } 381 382 String8 desString((char const*)descMap->getDataPtr(), 383 descMap->getDataLength()); 384 char const* s = desString.string(); 385 386 Animation animation; 387 388 // Parse the description file 389 for (;;) { 390 const char* endl = strstr(s, "\n"); 391 if (!endl) break; 392 String8 line(s, endl - s); 393 const char* l = line.string(); 394 int fps, width, height, count, pause; 395 char path[256]; 396 if (sscanf(l, "%d %d %d", &width, &height, &fps) == 3) { 397 //LOGD("> w=%d, h=%d, fps=%d", fps, width, height); 398 animation.width = width; 399 animation.height = height; 400 animation.fps = fps; 401 } 402 if (sscanf(l, "p %d %d %s", &count, &pause, path) == 3) { 403 //LOGD("> count=%d, pause=%d, path=%s", count, pause, path); 404 Animation::Part part; 405 part.count = count; 406 part.pause = pause; 407 part.path = path; 408 animation.parts.add(part); 409 } 410 s = ++endl; 411 } 412 413 // read all the data structures 414 const size_t pcount = animation.parts.size(); 415 for (size_t i=0 ; i<numEntries ; i++) { 416 char name[256]; 417 ZipEntryRO entry = zip.findEntryByIndex(i); 418 if (zip.getEntryFileName(entry, name, 256) == 0) { 419 const String8 entryName(name); 420 const String8 path(entryName.getPathDir()); 421 const String8 leaf(entryName.getPathLeaf()); 422 if (leaf.size() > 0) { 423 for (int j=0 ; j<pcount ; j++) { 424 if (path == animation.parts[j].path) { 425 int method; 426 // supports only stored png files 427 if (zip.getEntryInfo(entry, &method, 0, 0, 0, 0, 0)) { 428 if (method == ZipFileRO::kCompressStored) { 429 FileMap* map = zip.createEntryFileMap(entry); 430 if (map) { 431 Animation::Frame frame; 432 frame.name = leaf; 433 frame.map = map; 434 Animation::Part& part(animation.parts.editItemAt(j)); 435 part.frames.add(frame); 436 } 437 } 438 } 439 } 440 } 441 } 442 } 443 } 444 445 // clear screen 446 glShadeModel(GL_FLAT); 447 glDisable(GL_DITHER); 448 glDisable(GL_SCISSOR_TEST); 449 glDisable(GL_BLEND); 450 glClearColor(0,0,0,1); 451 glClear(GL_COLOR_BUFFER_BIT); 452 453 eglSwapBuffers(mDisplay, mSurface); 454 455 glBindTexture(GL_TEXTURE_2D, 0); 456 glEnable(GL_TEXTURE_2D); 457 glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); 458 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); 459 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); 460 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); 461 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); 462 463 const int xc = (mWidth - animation.width) / 2; 464 const int yc = ((mHeight - animation.height) / 2); 465 nsecs_t lastFrame = systemTime(); 466 nsecs_t frameDuration = s2ns(1) / animation.fps; 467 468 Region clearReg(Rect(mWidth, mHeight)); 469 clearReg.subtractSelf(Rect(xc, yc, xc+animation.width, yc+animation.height)); 470 471 for (int i=0 ; i<pcount && !exitPending() ; i++) { 472 const Animation::Part& part(animation.parts[i]); 473 const size_t fcount = part.frames.size(); 474 glBindTexture(GL_TEXTURE_2D, 0); 475 476 for (int r=0 ; !part.count || r<part.count ; r++) { 477 for (int j=0 ; j<fcount && !exitPending(); j++) { 478 const Animation::Frame& frame(part.frames[j]); 479 480 if (r > 0) { 481 glBindTexture(GL_TEXTURE_2D, frame.tid); 482 } else { 483 if (part.count != 1) { 484 glGenTextures(1, &frame.tid); 485 glBindTexture(GL_TEXTURE_2D, frame.tid); 486 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); 487 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); 488 } 489 initTexture( 490 frame.map->getDataPtr(), 491 frame.map->getDataLength()); 492 } 493 494 if (!clearReg.isEmpty()) { 495 Region::const_iterator head(clearReg.begin()); 496 Region::const_iterator tail(clearReg.end()); 497 glEnable(GL_SCISSOR_TEST); 498 while (head != tail) { 499 const Rect& r(*head++); 500 glScissor(r.left, mHeight - r.bottom, 501 r.width(), r.height()); 502 glClear(GL_COLOR_BUFFER_BIT); 503 } 504 glDisable(GL_SCISSOR_TEST); 505 } 506 glDrawTexiOES(xc, yc, 0, animation.width, animation.height); 507 eglSwapBuffers(mDisplay, mSurface); 508 509 nsecs_t now = systemTime(); 510 nsecs_t delay = frameDuration - (now - lastFrame); 511 lastFrame = now; 512 long wait = ns2us(frameDuration); 513 if (wait > 0) 514 usleep(wait); 515 } 516 usleep(part.pause * ns2us(frameDuration)); 517 } 518 519 // free the textures for this part 520 if (part.count != 1) { 521 for (int j=0 ; j<fcount ; j++) { 522 const Animation::Frame& frame(part.frames[j]); 523 glDeleteTextures(1, &frame.tid); 524 } 525 } 526 } 527 528 return false; 529 } 530 531 // --------------------------------------------------------------------------- 532 533 } 534 ; // namespace android 535
