BootAnimation.cpp revision 1b253b702a356619ae3c5e68ee92062b5305c5d7
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 <images/SkImageDecoder.h> 46 47#include <GLES/gl.h> 48#include <GLES/glext.h> 49#include <EGL/eglext.h> 50 51#include "BootAnimation.h" 52 53#define USER_BOOTANIMATION_FILE "/data/local/bootanimation.zip" 54#define SYSTEM_BOOTANIMATION_FILE "/system/media/bootanimation.zip" 55#define SYSTEM_ENCRYPTED_BOOTANIMATION_FILE "/system/media/bootanimation-encrypted.zip" 56 57namespace android { 58 59// --------------------------------------------------------------------------- 60 61BootAnimation::BootAnimation() : Thread(false) 62{ 63 mSession = new SurfaceComposerClient(); 64} 65 66BootAnimation::~BootAnimation() { 67} 68 69void BootAnimation::onFirstRef() { 70 status_t err = mSession->linkToComposerDeath(this); 71 LOGE_IF(err, "linkToComposerDeath failed (%s) ", strerror(-err)); 72 if (err == NO_ERROR) { 73 run("BootAnimation", PRIORITY_DISPLAY); 74 } 75} 76 77sp<SurfaceComposerClient> BootAnimation::session() const { 78 return mSession; 79} 80 81 82void BootAnimation::binderDied(const wp<IBinder>& who) 83{ 84 // woah, surfaceflinger died! 85 LOGD("SurfaceFlinger died, exiting..."); 86 87 // calling requestExit() is not enough here because the Surface code 88 // might be blocked on a condition variable that will never be updated. 89 kill( getpid(), SIGKILL ); 90 requestExit(); 91} 92 93status_t BootAnimation::initTexture(Texture* texture, AssetManager& assets, 94 const char* name) { 95 Asset* asset = assets.open(name, Asset::ACCESS_BUFFER); 96 if (!asset) 97 return NO_INIT; 98 SkBitmap bitmap; 99 SkImageDecoder::DecodeMemory(asset->getBuffer(false), asset->getLength(), 100 &bitmap, SkBitmap::kNo_Config, SkImageDecoder::kDecodePixels_Mode); 101 asset->close(); 102 delete asset; 103 104 // ensure we can call getPixels(). No need to call unlock, since the 105 // bitmap will go out of scope when we return from this method. 106 bitmap.lockPixels(); 107 108 const int w = bitmap.width(); 109 const int h = bitmap.height(); 110 const void* p = bitmap.getPixels(); 111 112 GLint crop[4] = { 0, h, w, -h }; 113 texture->w = w; 114 texture->h = h; 115 116 glGenTextures(1, &texture->name); 117 glBindTexture(GL_TEXTURE_2D, texture->name); 118 119 switch (bitmap.getConfig()) { 120 case SkBitmap::kA8_Config: 121 glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, w, h, 0, GL_ALPHA, 122 GL_UNSIGNED_BYTE, p); 123 break; 124 case SkBitmap::kARGB_4444_Config: 125 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, GL_RGBA, 126 GL_UNSIGNED_SHORT_4_4_4_4, p); 127 break; 128 case SkBitmap::kARGB_8888_Config: 129 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, GL_RGBA, 130 GL_UNSIGNED_BYTE, p); 131 break; 132 case SkBitmap::kRGB_565_Config: 133 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, w, h, 0, GL_RGB, 134 GL_UNSIGNED_SHORT_5_6_5, p); 135 break; 136 default: 137 break; 138 } 139 140 glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop); 141 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); 142 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); 143 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); 144 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); 145 return NO_ERROR; 146} 147 148status_t BootAnimation::initTexture(void* buffer, size_t len) 149{ 150 //StopWatch watch("blah"); 151 152 SkBitmap bitmap; 153 SkImageDecoder::DecodeMemory(buffer, len, 154 &bitmap, SkBitmap::kRGB_565_Config, 155 SkImageDecoder::kDecodePixels_Mode); 156 157 // ensure we can call getPixels(). No need to call unlock, since the 158 // bitmap will go out of scope when we return from this method. 159 bitmap.lockPixels(); 160 161 const int w = bitmap.width(); 162 const int h = bitmap.height(); 163 const void* p = bitmap.getPixels(); 164 165 GLint crop[4] = { 0, h, w, -h }; 166 int tw = 1 << (31 - __builtin_clz(w)); 167 int th = 1 << (31 - __builtin_clz(h)); 168 if (tw < w) tw <<= 1; 169 if (th < h) th <<= 1; 170 171 switch (bitmap.getConfig()) { 172 case SkBitmap::kARGB_8888_Config: 173 if (tw != w || th != h) { 174 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, tw, th, 0, GL_RGBA, 175 GL_UNSIGNED_BYTE, 0); 176 glTexSubImage2D(GL_TEXTURE_2D, 0, 177 0, 0, w, h, GL_RGBA, GL_UNSIGNED_BYTE, p); 178 } else { 179 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, tw, th, 0, GL_RGBA, 180 GL_UNSIGNED_BYTE, p); 181 } 182 break; 183 184 case SkBitmap::kRGB_565_Config: 185 if (tw != w || th != h) { 186 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, tw, th, 0, GL_RGB, 187 GL_UNSIGNED_SHORT_5_6_5, 0); 188 glTexSubImage2D(GL_TEXTURE_2D, 0, 189 0, 0, w, h, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, p); 190 } else { 191 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, tw, th, 0, GL_RGB, 192 GL_UNSIGNED_SHORT_5_6_5, p); 193 } 194 break; 195 default: 196 break; 197 } 198 199 glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop); 200 201 return NO_ERROR; 202} 203 204status_t BootAnimation::readyToRun() { 205 mAssets.addDefaultAssets(); 206 207 DisplayInfo dinfo; 208 status_t status = session()->getDisplayInfo(0, &dinfo); 209 if (status) 210 return -1; 211 212 // create the native surface 213 sp<SurfaceControl> control = session()->createSurface( 214 0, dinfo.w, dinfo.h, PIXEL_FORMAT_RGB_565); 215 216 SurfaceComposerClient::openGlobalTransaction(); 217 control->setLayer(0x40000000); 218 SurfaceComposerClient::closeGlobalTransaction(); 219 220 sp<Surface> s = control->getSurface(); 221 222 // initialize opengl and egl 223 const EGLint attribs[] = { 224 EGL_RED_SIZE, 8, 225 EGL_GREEN_SIZE, 8, 226 EGL_BLUE_SIZE, 8, 227 EGL_DEPTH_SIZE, 0, 228 EGL_NONE 229 }; 230 EGLint w, h, dummy; 231 EGLint numConfigs; 232 EGLConfig config; 233 EGLSurface surface; 234 EGLContext context; 235 236 EGLDisplay display = eglGetDisplay(EGL_DEFAULT_DISPLAY); 237 238 eglInitialize(display, 0, 0); 239 eglChooseConfig(display, attribs, &config, 1, &numConfigs); 240 surface = eglCreateWindowSurface(display, config, s.get(), NULL); 241 context = eglCreateContext(display, config, NULL, NULL); 242 eglQuerySurface(display, surface, EGL_WIDTH, &w); 243 eglQuerySurface(display, surface, EGL_HEIGHT, &h); 244 245 if (eglMakeCurrent(display, surface, surface, context) == EGL_FALSE) 246 return NO_INIT; 247 248 mDisplay = display; 249 mContext = context; 250 mSurface = surface; 251 mWidth = w; 252 mHeight = h; 253 mFlingerSurfaceControl = control; 254 mFlingerSurface = s; 255 256 mAndroidAnimation = true; 257 258 // If the device has encryption turned on or is in process 259 // of being encrypted we show the encrypted boot animation. 260 char decrypt[PROPERTY_VALUE_MAX]; 261 property_get("vold.decrypt", decrypt, ""); 262 263 bool encryptedAnimation = atoi(decrypt) != 0 || !strcmp("trigger_restart_min_framework", decrypt); 264 265 if ((encryptedAnimation && 266 (access(SYSTEM_ENCRYPTED_BOOTANIMATION_FILE, R_OK) == 0) && 267 (mZip.open(SYSTEM_ENCRYPTED_BOOTANIMATION_FILE) == NO_ERROR)) || 268 269 ((access(USER_BOOTANIMATION_FILE, R_OK) == 0) && 270 (mZip.open(USER_BOOTANIMATION_FILE) == NO_ERROR)) || 271 272 ((access(SYSTEM_BOOTANIMATION_FILE, R_OK) == 0) && 273 (mZip.open(SYSTEM_BOOTANIMATION_FILE) == NO_ERROR))) { 274 mAndroidAnimation = false; 275 } 276 277 return NO_ERROR; 278} 279 280bool BootAnimation::threadLoop() 281{ 282 bool r; 283 if (mAndroidAnimation) { 284 r = android(); 285 } else { 286 r = movie(); 287 } 288 289 eglMakeCurrent(mDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT); 290 eglDestroyContext(mDisplay, mContext); 291 eglDestroySurface(mDisplay, mSurface); 292 mFlingerSurface.clear(); 293 mFlingerSurfaceControl.clear(); 294 eglTerminate(mDisplay); 295 IPCThreadState::self()->stopProcess(); 296 return r; 297} 298 299bool BootAnimation::android() 300{ 301 initTexture(&mAndroid[0], mAssets, "images/android-logo-mask.png"); 302 initTexture(&mAndroid[1], mAssets, "images/android-logo-shine.png"); 303 304 // clear screen 305 glShadeModel(GL_FLAT); 306 glDisable(GL_DITHER); 307 glDisable(GL_SCISSOR_TEST); 308 glClearColor(0,0,0,1); 309 glClear(GL_COLOR_BUFFER_BIT); 310 eglSwapBuffers(mDisplay, mSurface); 311 312 glEnable(GL_TEXTURE_2D); 313 glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); 314 315 const GLint xc = (mWidth - mAndroid[0].w) / 2; 316 const GLint yc = (mHeight - mAndroid[0].h) / 2; 317 const Rect updateRect(xc, yc, xc + mAndroid[0].w, yc + mAndroid[0].h); 318 319 glScissor(updateRect.left, mHeight - updateRect.bottom, updateRect.width(), 320 updateRect.height()); 321 322 // Blend state 323 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); 324 glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); 325 326 const nsecs_t startTime = systemTime(); 327 do { 328 nsecs_t now = systemTime(); 329 double time = now - startTime; 330 float t = 4.0f * float(time / us2ns(16667)) / mAndroid[1].w; 331 GLint offset = (1 - (t - floorf(t))) * mAndroid[1].w; 332 GLint x = xc - offset; 333 334 glDisable(GL_SCISSOR_TEST); 335 glClear(GL_COLOR_BUFFER_BIT); 336 337 glEnable(GL_SCISSOR_TEST); 338 glDisable(GL_BLEND); 339 glBindTexture(GL_TEXTURE_2D, mAndroid[1].name); 340 glDrawTexiOES(x, yc, 0, mAndroid[1].w, mAndroid[1].h); 341 glDrawTexiOES(x + mAndroid[1].w, yc, 0, mAndroid[1].w, mAndroid[1].h); 342 343 glEnable(GL_BLEND); 344 glBindTexture(GL_TEXTURE_2D, mAndroid[0].name); 345 glDrawTexiOES(xc, yc, 0, mAndroid[0].w, mAndroid[0].h); 346 347 EGLBoolean res = eglSwapBuffers(mDisplay, mSurface); 348 if (res == EGL_FALSE) 349 break; 350 351 // 12fps: don't animate too fast to preserve CPU 352 const nsecs_t sleepTime = 83333 - ns2us(systemTime() - now); 353 if (sleepTime > 0) 354 usleep(sleepTime); 355 } while (!exitPending()); 356 357 glDeleteTextures(1, &mAndroid[0].name); 358 glDeleteTextures(1, &mAndroid[1].name); 359 return false; 360} 361 362 363bool BootAnimation::movie() 364{ 365 ZipFileRO& zip(mZip); 366 367 size_t numEntries = zip.getNumEntries(); 368 ZipEntryRO desc = zip.findEntryByName("desc.txt"); 369 FileMap* descMap = zip.createEntryFileMap(desc); 370 LOGE_IF(!descMap, "descMap is null"); 371 if (!descMap) { 372 return false; 373 } 374 375 String8 desString((char const*)descMap->getDataPtr(), 376 descMap->getDataLength()); 377 char const* s = desString.string(); 378 379 Animation animation; 380 381 // Parse the description file 382 for (;;) { 383 const char* endl = strstr(s, "\n"); 384 if (!endl) break; 385 String8 line(s, endl - s); 386 const char* l = line.string(); 387 int fps, width, height, count, pause; 388 char path[256]; 389 if (sscanf(l, "%d %d %d", &width, &height, &fps) == 3) { 390 //LOGD("> w=%d, h=%d, fps=%d", fps, width, height); 391 animation.width = width; 392 animation.height = height; 393 animation.fps = fps; 394 } 395 if (sscanf(l, "p %d %d %s", &count, &pause, path) == 3) { 396 //LOGD("> count=%d, pause=%d, path=%s", count, pause, path); 397 Animation::Part part; 398 part.count = count; 399 part.pause = pause; 400 part.path = path; 401 animation.parts.add(part); 402 } 403 s = ++endl; 404 } 405 406 // read all the data structures 407 const size_t pcount = animation.parts.size(); 408 for (size_t i=0 ; i<numEntries ; i++) { 409 char name[256]; 410 ZipEntryRO entry = zip.findEntryByIndex(i); 411 if (zip.getEntryFileName(entry, name, 256) == 0) { 412 const String8 entryName(name); 413 const String8 path(entryName.getPathDir()); 414 const String8 leaf(entryName.getPathLeaf()); 415 if (leaf.size() > 0) { 416 for (int j=0 ; j<pcount ; j++) { 417 if (path == animation.parts[j].path) { 418 int method; 419 // supports only stored png files 420 if (zip.getEntryInfo(entry, &method, 0, 0, 0, 0, 0)) { 421 if (method == ZipFileRO::kCompressStored) { 422 FileMap* map = zip.createEntryFileMap(entry); 423 if (map) { 424 Animation::Frame frame; 425 frame.name = leaf; 426 frame.map = map; 427 Animation::Part& part(animation.parts.editItemAt(j)); 428 part.frames.add(frame); 429 } 430 } 431 } 432 } 433 } 434 } 435 } 436 } 437 438 // clear screen 439 glShadeModel(GL_FLAT); 440 glDisable(GL_DITHER); 441 glDisable(GL_SCISSOR_TEST); 442 glDisable(GL_BLEND); 443 glClearColor(0,0,0,1); 444 glClear(GL_COLOR_BUFFER_BIT); 445 446 eglSwapBuffers(mDisplay, mSurface); 447 448 glBindTexture(GL_TEXTURE_2D, 0); 449 glEnable(GL_TEXTURE_2D); 450 glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); 451 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); 452 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); 453 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); 454 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); 455 456 const int xc = (mWidth - animation.width) / 2; 457 const int yc = ((mHeight - animation.height) / 2); 458 nsecs_t lastFrame = systemTime(); 459 nsecs_t frameDuration = s2ns(1) / animation.fps; 460 461 Region clearReg(Rect(mWidth, mHeight)); 462 clearReg.subtractSelf(Rect(xc, yc, xc+animation.width, yc+animation.height)); 463 464 for (int i=0 ; i<pcount && !exitPending() ; i++) { 465 const Animation::Part& part(animation.parts[i]); 466 const size_t fcount = part.frames.size(); 467 glBindTexture(GL_TEXTURE_2D, 0); 468 469 for (int r=0 ; !part.count || r<part.count ; r++) { 470 for (int j=0 ; j<fcount && !exitPending(); j++) { 471 const Animation::Frame& frame(part.frames[j]); 472 473 if (r > 0) { 474 glBindTexture(GL_TEXTURE_2D, frame.tid); 475 } else { 476 if (part.count != 1) { 477 glGenTextures(1, &frame.tid); 478 glBindTexture(GL_TEXTURE_2D, frame.tid); 479 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); 480 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); 481 } 482 initTexture( 483 frame.map->getDataPtr(), 484 frame.map->getDataLength()); 485 } 486 487 if (!clearReg.isEmpty()) { 488 Region::const_iterator head(clearReg.begin()); 489 Region::const_iterator tail(clearReg.end()); 490 glEnable(GL_SCISSOR_TEST); 491 while (head != tail) { 492 const Rect& r(*head++); 493 glScissor(r.left, mHeight - r.bottom, 494 r.width(), r.height()); 495 glClear(GL_COLOR_BUFFER_BIT); 496 } 497 glDisable(GL_SCISSOR_TEST); 498 } 499 glDrawTexiOES(xc, yc, 0, animation.width, animation.height); 500 eglSwapBuffers(mDisplay, mSurface); 501 502 nsecs_t now = systemTime(); 503 nsecs_t delay = frameDuration - (now - lastFrame); 504 lastFrame = now; 505 long wait = ns2us(frameDuration); 506 if (wait > 0) 507 usleep(wait); 508 } 509 usleep(part.pause * ns2us(frameDuration)); 510 } 511 512 // free the textures for this part 513 if (part.count != 1) { 514 for (int j=0 ; j<fcount ; j++) { 515 const Animation::Frame& frame(part.frames[j]); 516 glDeleteTextures(1, &frame.tid); 517 } 518 } 519 } 520 521 return false; 522} 523 524// --------------------------------------------------------------------------- 525 526} 527; // namespace android 528